/* eslint-disable indent */
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/* globals jQuery, jsPDF */
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/**
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* Numerous tools for working with the editor's "canvas"
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* @module svgcanvas
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*
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* @license MIT
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*
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* @copyright 2010 Alexis Deveria, 2010 Pavol Rusnak, 2010 Jeff Schiller
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*
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*/
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/* Dependencies:
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1. Also expects jQuery UI for `svgCanvasToString` and
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`convertToGroup` use of `:data()` selector
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*/
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// Todo: Obtain/adapt latest jsPDF to utilize ES Module for `jsPDF`/avoid global
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import './svgpathseg.js';
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import jqPluginSVG from './jQuery.attr.js'; // Needed for SVG attribute setting and array form with `attr`
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import * as draw from './draw.js';
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import * as pathModule from './path.js';
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import {sanitizeSvg} from './sanitize.js';
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import {getReverseNS, NS} from './namespaces.js';
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import {importSetGlobal, importScript} from './external/dynamic-import-polyfill/importModule.js';
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import {
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text2xml, assignAttributes, cleanupElement, getElem, getUrlFromAttr,
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findDefs, getHref, setHref, getRefElem, getRotationAngle, getPathBBox,
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preventClickDefault, snapToGrid, walkTree, walkTreePost,
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getBBoxOfElementAsPath, convertToPath, toXml, encode64, decode64,
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dataURLToObjectURL, createObjectURL,
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getVisibleElements, dropXMLInteralSubset,
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init as utilsInit, getBBox as utilsGetBBox, getStrokedBBoxDefaultVisible
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} from './utilities.js';
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import * as history from './history.js';
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import {
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transformPoint, matrixMultiply, hasMatrixTransform, transformListToTransform,
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getMatrix, snapToAngle, isIdentity, rectsIntersect, transformBox
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} from './math.js';
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import {
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convertToNum, convertAttrs, convertUnit, shortFloat, getTypeMap,
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init as unitsInit
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} from './units.js';
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import {
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isGecko, isChrome, isIE, isWebkit, supportsNonScalingStroke, supportsGoodTextCharPos
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} from './browser.js'; // , supportsEditableText
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import {
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getTransformList, resetListMap,
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SVGTransformList as SVGEditTransformList
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} from './svgtransformlist.js';
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import {
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remapElement,
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init as coordsInit
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} from './coords.js';
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import {
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recalculateDimensions,
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init as recalculateInit
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} from './recalculate.js';
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import {
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getSelectorManager,
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init as selectInit
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} from './select.js';
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const $ = jqPluginSVG(jQuery);
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const {
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MoveElementCommand, InsertElementCommand, RemoveElementCommand,
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ChangeElementCommand, BatchCommand, UndoManager, HistoryEventTypes
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} = history;
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if (!window.console) {
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window.console = {};
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window.console.log = function (str) {};
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window.console.dir = function (str) {};
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}
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if (window.opera) {
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window.console.log = function (str) { window.opera.postError(str); };
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window.console.dir = function (str) {};
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}
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/**
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* The main SvgCanvas class that manages all SVG-related functions.
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* @memberof module:svgcanvas
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*
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* @borrows module:coords.remapElement as #remapElement
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* @borrows module:recalculate.recalculateDimensions as #recalculateDimensions
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*
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* @borrows module:utilities.cleanupElement as #cleanupElement
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* @borrows module:utilities.getStrokedBBoxDefaultVisible as #getStrokedBBox
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* @borrows module:utilities.getVisibleElements as #getVisibleElements
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* @borrows module:utilities.findDefs as #findDefs
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* @borrows module:utilities.getUrlFromAttr as #getUrlFromAttr
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* @borrows module:utilities.getHref as #getHref
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* @borrows module:utilities.setHref as #setHref
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* @borrows module:utilities.getRotationAngle as #getRotationAngle
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* @borrows module:utilities.getBBox as #getBBox
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* @borrows module:utilities.getElem as #getElem
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* @borrows module:utilities.getRefElem as #getRefElem
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* @borrows module:utilities.assignAttributes as #assignAttributes
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*
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* @borrows module:SVGTransformList.getTransformList as #getTransformList
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* @borrows module:math.matrixMultiply as #matrixMultiply
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* @borrows module:math.hasMatrixTransform as #hasMatrixTransform
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* @borrows module:math.transformListToTransform as #transformListToTransform
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* @borrows module:units.convertToNum as #convertToNum
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* @borrows module:sanitize.sanitizeSvg as #sanitizeSvg
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* @borrows module:path.pathActions.linkControlPoints as #linkControlPoints
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*/
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class SvgCanvas {
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/**
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* @param {HTMLElement} container - The container HTML element that should hold the SVG root element
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* @param {module:SVGEditor.curConfig} config - An object that contains configuration data
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*/
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constructor (container, config) {
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// Alias Namespace constants
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// Default configuration options
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const curConfig = {
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show_outside_canvas: true,
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selectNew: true,
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dimensions: [640, 480]
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};
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// Update config with new one if given
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if (config) {
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$.extend(curConfig, config);
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}
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// Array with width/height of canvas
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const {dimensions} = curConfig;
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const canvas = this;
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// "document" element associated with the container (same as window.document using default svg-editor.js)
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// NOTE: This is not actually a SVG document, but an HTML document.
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const svgdoc = container.ownerDocument;
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// This is a container for the document being edited, not the document itself.
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/**
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* @name module:svgcanvas~svgroot
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* @type {SVGSVGElement}
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*/
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const svgroot = svgdoc.importNode(
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text2xml(
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'<svg id="svgroot" xmlns="' + NS.SVG + '" xlinkns="' + NS.XLINK + '" ' +
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'width="' + dimensions[0] + '" height="' + dimensions[1] + '" x="' + dimensions[0] + '" y="' + dimensions[1] + '" overflow="visible">' +
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'<defs>' +
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'<filter id="canvashadow" filterUnits="objectBoundingBox">' +
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'<feGaussianBlur in="SourceAlpha" stdDeviation="4" result="blur"/>' +
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'<feOffset in="blur" dx="5" dy="5" result="offsetBlur"/>' +
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'<feMerge>' +
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'<feMergeNode in="offsetBlur"/>' +
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'<feMergeNode in="SourceGraphic"/>' +
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'</feMerge>' +
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'</filter>' +
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'</defs>' +
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'</svg>'
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).documentElement,
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true
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);
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container.append(svgroot);
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/**
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* The actual element that represents the final output SVG element
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* @name module:svgcanvas~svgcontent
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* @type {SVGSVGElement}
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*/
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let svgcontent = svgdoc.createElementNS(NS.SVG, 'svg');
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/**
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* This function resets the svgcontent element while keeping it in the DOM.
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* @function module:svgcanvas.SvgCanvas#clearSvgContentElement
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* @returns {undefined}
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*/
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const clearSvgContentElement = canvas.clearSvgContentElement = function () {
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$(svgcontent).empty();
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// TODO: Clear out all other attributes first?
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$(svgcontent).attr({
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id: 'svgcontent',
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width: dimensions[0],
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height: dimensions[1],
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x: dimensions[0],
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y: dimensions[1],
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overflow: curConfig.show_outside_canvas ? 'visible' : 'hidden',
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xmlns: NS.SVG,
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'xmlns:se': NS.SE,
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'xmlns:xlink': NS.XLINK
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}).appendTo(svgroot);
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// TODO: make this string optional and set by the client
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const comment = svgdoc.createComment(' Created with SVG-edit - https://github.com/SVG-Edit/svgedit');
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svgcontent.append(comment);
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};
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clearSvgContentElement();
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// Prefix string for element IDs
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let idprefix = 'svg_';
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/**
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* Changes the ID prefix to the given value.
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* @function module:svgcanvas.SvgCanvas#setIdPrefix
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* @param {string} p - String with the new prefix
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* @returns {undefined}
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*/
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canvas.setIdPrefix = function (p) {
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idprefix = p;
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};
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/**
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* Current draw.Drawing object
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* @type {module:draw.Drawing}
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* @name module:svgcanvas.SvgCanvas#current_drawing_
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*/
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canvas.current_drawing_ = new draw.Drawing(svgcontent, idprefix);
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/**
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* Returns the current Drawing.
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* @function module:svgcanvas.SvgCanvas#getCurrentDrawing
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* @implements {module:draw.DrawCanvasInit#getCurrentDrawing}
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*/
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const getCurrentDrawing = canvas.getCurrentDrawing = function () {
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return canvas.current_drawing_;
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};
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/**
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* Float displaying the current zoom level (1 = 100%, .5 = 50%, etc)
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* @type {Float}
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*/
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let currentZoom = 1;
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// pointer to current group (for in-group editing)
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let currentGroup = null;
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// Object containing data for the currently selected styles
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const allProperties = {
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shape: {
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fill: (curConfig.initFill.color === 'none' ? '' : '#') + curConfig.initFill.color,
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fill_paint: null,
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fill_opacity: curConfig.initFill.opacity,
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stroke: '#' + curConfig.initStroke.color,
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stroke_paint: null,
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stroke_opacity: curConfig.initStroke.opacity,
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stroke_width: curConfig.initStroke.width,
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stroke_dasharray: 'none',
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stroke_linejoin: 'miter',
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stroke_linecap: 'butt',
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opacity: curConfig.initOpacity
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}
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};
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allProperties.text = $.extend(true, {}, allProperties.shape);
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$.extend(allProperties.text, {
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fill: '#000000',
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stroke_width: curConfig.text && curConfig.text.stroke_width,
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font_size: curConfig.text && curConfig.text.font_size,
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font_family: curConfig.text && curConfig.text.font_family
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});
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// Current shape style properties
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const curShape = allProperties.shape;
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// Array with all the currently selected elements
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// default size of 1 until it needs to grow bigger
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let selectedElements = [];
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/**
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* @typedef {PlainObject} module:svgcanvas.SVGAsJSON
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* @property {string} element
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* @property {PlainObject.<string, string>} attr
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* @property {module:svgcanvas.SVGAsJSON[]} children
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*/
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/**
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* @function module:svgcanvas.SvgCanvas#getContentElem
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* @param {Text|Element} data
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* @returns {module:svgcanvas.SVGAsJSON}
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*/
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const getJsonFromSvgElement = this.getJsonFromSvgElement = function (data) {
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// Text node
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if (data.nodeType === 3) return data.nodeValue;
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const retval = {
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element: data.tagName,
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// namespace: nsMap[data.namespaceURI],
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attr: {},
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children: []
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};
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// Iterate attributes
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for (let i = 0, attr; (attr = data.attributes[i]); i++) {
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retval.attr[attr.name] = attr.value;
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}
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// Iterate children
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for (let i = 0, node; (node = data.childNodes[i]); i++) {
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retval.children[i] = getJsonFromSvgElement(node);
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}
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return retval;
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};
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/**
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* This should really be an intersection implementing all rather than a union.
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* @function module:svgcanvas.SvgCanvas#addSVGElementFromJson
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* @implements {module:utilities.EditorContext#addSVGElementFromJson|module:path.EditorContext#addSVGElementFromJson}
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*/
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const addSVGElementFromJson = this.addSVGElementFromJson = function (data) {
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if (typeof data === 'string') return svgdoc.createTextNode(data);
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let shape = getElem(data.attr.id);
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// if shape is a path but we need to create a rect/ellipse, then remove the path
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const currentLayer = getCurrentDrawing().getCurrentLayer();
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if (shape && data.element !== shape.tagName) {
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shape.remove();
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shape = null;
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}
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if (!shape) {
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const ns = data.namespace || NS.SVG;
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shape = svgdoc.createElementNS(ns, data.element);
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if (currentLayer) {
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(currentGroup || currentLayer).append(shape);
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}
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}
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if (data.curStyles) {
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assignAttributes(shape, {
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fill: curShape.fill,
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stroke: curShape.stroke,
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'stroke-width': curShape.stroke_width,
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'stroke-dasharray': curShape.stroke_dasharray,
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'stroke-linejoin': curShape.stroke_linejoin,
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'stroke-linecap': curShape.stroke_linecap,
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'stroke-opacity': curShape.stroke_opacity,
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'fill-opacity': curShape.fill_opacity,
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opacity: curShape.opacity / 2,
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style: 'pointer-events:inherit'
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}, 100);
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}
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assignAttributes(shape, data.attr, 100);
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cleanupElement(shape);
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// Children
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if (data.children) {
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data.children.forEach((child) => {
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shape.append(addSVGElementFromJson(child));
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});
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}
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return shape;
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};
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canvas.getTransformList = getTransformList;
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canvas.matrixMultiply = matrixMultiply;
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canvas.hasMatrixTransform = hasMatrixTransform;
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canvas.transformListToTransform = transformListToTransform;
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/**
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* @implements {module:utilities.EditorContext#getBaseUnit}
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*/
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const getBaseUnit = () => { return curConfig.baseUnit; };
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/**
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* initialize from units.js.
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* Send in an object implementing the ElementContainer interface (see units.js)
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*/
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unitsInit(
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/**
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* @implements {module:units.ElementContainer}
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*/
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{
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getBaseUnit,
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getElement: getElem,
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getHeight () { return svgcontent.getAttribute('height') / currentZoom; },
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getWidth () { return svgcontent.getAttribute('width') / currentZoom; },
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getRoundDigits () { return saveOptions.round_digits; }
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}
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);
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canvas.convertToNum = convertToNum;
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/**
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* This should really be an intersection implementing all rather than a union.
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* @implements {module:draw.DrawCanvasInit#getSVGContent|module:utilities.EditorContext#getSVGContent}
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*/
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const getSVGContent = () => { return svgcontent; };
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/**
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* Should really be an intersection with all needing to apply rather than a union.
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* @function module:svgcanvas.SvgCanvas#getSelectedElements
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* @implements {module:utilities.EditorContext#getSelectedElements|module:draw.DrawCanvasInit#getSelectedElements|module:path.EditorContext#getSelectedElements}
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*/
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const getSelectedElements = this.getSelectedElems = function () {
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return selectedElements;
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};
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const pathActions = pathModule.pathActions;
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/**
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* This should actually be an intersection as all interfaces should be met.
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* @implements {module:utilities.EditorContext#getSVGRoot|module:recalculate.EditorContext#getSVGRoot|module:coords.EditorContext#getSVGRoot|module:path.EditorContext#getSVGRoot}
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*/
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const getSVGRoot = () => svgroot;
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utilsInit(
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/**
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* @implements {module:utilities.EditorContext}
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*/
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{
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pathActions, // Ok since not modifying
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getSVGContent,
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addSVGElementFromJson,
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getSelectedElements,
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getDOMDocument () { return svgdoc; },
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getDOMContainer () { return container; },
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getSVGRoot,
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// TODO: replace this mostly with a way to get the current drawing.
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getBaseUnit,
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getSnappingStep () { return curConfig.snappingStep; }
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}
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);
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canvas.findDefs = findDefs;
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canvas.getUrlFromAttr = getUrlFromAttr;
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canvas.getHref = getHref;
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canvas.setHref = setHref;
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/* const getBBox = */ canvas.getBBox = utilsGetBBox;
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canvas.getRotationAngle = getRotationAngle;
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canvas.getElem = getElem;
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canvas.getRefElem = getRefElem;
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canvas.assignAttributes = assignAttributes;
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this.cleanupElement = cleanupElement;
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/**
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* This should actually be an intersection not a union as all should apply.
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* @implements {module:coords.EditorContext|module:path.EditorContext}
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*/
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const getGridSnapping = () => { return curConfig.gridSnapping; };
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coordsInit(
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/**
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* @implements {module:coords.EditorContext}
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*/
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{
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getDrawing () { return getCurrentDrawing(); },
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getSVGRoot,
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getGridSnapping
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}
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);
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this.remapElement = remapElement;
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recalculateInit(
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/**
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* @implements {module:recalculate.EditorContext}
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*/
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{
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getSVGRoot,
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getStartTransform () { return startTransform; },
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setStartTransform (transform) { startTransform = transform; }
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}
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);
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this.recalculateDimensions = recalculateDimensions;
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// import from sanitize.js
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const nsMap = getReverseNS();
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canvas.sanitizeSvg = sanitizeSvg;
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/**
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* @name undoMgr
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* @memberof module:svgcanvas.SvgCanvas#
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* @type {module:history.HistoryEventHandler}
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*/
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const undoMgr = canvas.undoMgr = new UndoManager({
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/**
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* @param {string} eventType One of the HistoryEvent types
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* @param {module:history.HistoryCommand} cmd Fulfills the HistoryCommand interface
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* @fires module:svgcanvas.SvgCanvas#event:changed
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* @returns {undefined}
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*/
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handleHistoryEvent (eventType, cmd) {
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const EventTypes = HistoryEventTypes;
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// TODO: handle setBlurOffsets.
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if (eventType === EventTypes.BEFORE_UNAPPLY || eventType === EventTypes.BEFORE_APPLY) {
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canvas.clearSelection();
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} else if (eventType === EventTypes.AFTER_APPLY || eventType === EventTypes.AFTER_UNAPPLY) {
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const elems = cmd.elements();
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canvas.pathActions.clear();
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call('changed', elems);
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const cmdType = cmd.type();
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const isApply = (eventType === EventTypes.AFTER_APPLY);
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if (cmdType === MoveElementCommand.type()) {
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const parent = isApply ? cmd.newParent : cmd.oldParent;
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if (parent === svgcontent) {
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draw.identifyLayers();
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}
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} else if (cmdType === InsertElementCommand.type() ||
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cmdType === RemoveElementCommand.type()) {
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if (cmd.parent === svgcontent) {
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draw.identifyLayers();
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}
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if (cmdType === InsertElementCommand.type()) {
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if (isApply) { restoreRefElems(cmd.elem); }
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} else {
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if (!isApply) { restoreRefElems(cmd.elem); }
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}
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if (cmd.elem.tagName === 'use') {
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setUseData(cmd.elem);
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}
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} else if (cmdType === ChangeElementCommand.type()) {
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// if we are changing layer names, re-identify all layers
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if (cmd.elem.tagName === 'title' &&
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cmd.elem.parentNode.parentNode === svgcontent
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) {
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draw.identifyLayers();
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}
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const values = isApply ? cmd.newValues : cmd.oldValues;
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// If stdDeviation was changed, update the blur.
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if (values.stdDeviation) {
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canvas.setBlurOffsets(cmd.elem.parentNode, values.stdDeviation);
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}
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// This is resolved in later versions of webkit, perhaps we should
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// have a featured detection for correct 'use' behavior?
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// ——————————
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// Remove & Re-add hack for Webkit (issue 775)
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// if (cmd.elem.tagName === 'use' && isWebkit()) {
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// const {elem} = cmd;
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// if (!elem.getAttribute('x') && !elem.getAttribute('y')) {
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// const parent = elem.parentNode;
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// const sib = elem.nextSibling;
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// elem.remove();
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// parent.insertBefore(elem, sib);
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// // Ok to replace above with this? `sib.before(elem);`
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// }
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// }
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}
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}
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}
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});
|
|
/**
|
* This should really be an intersection applying to all types rather than a union.
|
* @function module:svgcanvas~addCommandToHistory
|
* @implements {module:path.EditorContext#addCommandToHistory|module:draw.DrawCanvasInit#addCommandToHistory}
|
*/
|
const addCommandToHistory = function (cmd) {
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canvas.undoMgr.addCommandToHistory(cmd);
|
};
|
|
/**
|
* This should really be an intersection applying to all types rather than a union.
|
* @function module:svgcanvas.SvgCanvas#getZoom
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* @implements {module:path.EditorContext#getCurrentZoom|module:select.SVGFactory#getCurrentZoom}
|
*/
|
const getCurrentZoom = this.getZoom = function () { return currentZoom; };
|
|
/**
|
* This method rounds the incoming value to the nearest value based on the `currentZoom`
|
* @function module:svgcanvas.SvgCanvas#round
|
* @implements {module:path.EditorContext#round}
|
*/
|
const round = this.round = function (val) {
|
return parseInt(val * currentZoom, 10) / currentZoom;
|
};
|
|
selectInit(
|
curConfig,
|
/**
|
* Export to select.js
|
* @implements {module:select.SVGFactory}
|
*/
|
{
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createSVGElement (jsonMap) { return canvas.addSVGElementFromJson(jsonMap); },
|
svgRoot () { return svgroot; },
|
svgContent () { return svgcontent; },
|
getCurrentZoom
|
}
|
);
|
/**
|
* This object manages selectors for us
|
* @name module:svgcanvas.SvgCanvas#selectorManager
|
* @type {module:select.SelectorManager}
|
*/
|
const selectorManager = this.selectorManager = getSelectorManager();
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getNextId
|
* @implements {module:path.EditorContext#getNextId}
|
*/
|
const getNextId = canvas.getNextId = function () {
|
return getCurrentDrawing().getNextId();
|
};
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getId
|
* @implements {module:path.EditorContext#getId}
|
*/
|
const getId = canvas.getId = function () {
|
return getCurrentDrawing().getId();
|
};
|
|
/**
|
* The "implements" should really be an intersection applying to all types rather than a union.
|
* @function module:svgcanvas.SvgCanvas#call
|
* @implements {module:draw.DrawCanvasInit#call|module:path.EditorContext#call}
|
* @param {"selected"|"changed"|"contextset"|"pointsAdded"|"extension_added"|"extensions_added"|"message"|"transition"|"zoomed"|"updateCanvas"|"zoomDone"|"saved"|"exported"|"exportedPDF"|"setnonce"|"unsetnonce"|"cleared"} ev - String with the event name
|
* @param {module:svgcanvas.SvgCanvas#event:GenericCanvasEvent} arg - Argument to pass through to the callback function.
|
* @returns {undefined}
|
*/
|
const call = function (ev, arg) {
|
if (events[ev]) {
|
return events[ev](window, arg);
|
}
|
};
|
|
/**
|
* Clears the selection. The 'selected' handler is then optionally called.
|
* This should really be an intersection applying to all types rather than a union.
|
* @function module:svgcanvas.SvgCanvas#clearSelection
|
* @implements {module:draw.DrawCanvasInit#clearSelection|module:path.EditorContext#clearSelection}
|
* @fires module:svgcanvas.SvgCanvas#event:selected
|
*/
|
const clearSelection = this.clearSelection = function (noCall) {
|
selectedElements.forEach((elem) => {
|
if (elem == null) {
|
return;
|
}
|
selectorManager.releaseSelector(elem);
|
});
|
selectedElements = [];
|
|
if (!noCall) { call('selected', selectedElements); }
|
};
|
|
/**
|
* Adds a list of elements to the selection. The 'selected' handler is then called.
|
* @function module:svgcanvas.SvgCanvas#addToSelection
|
* @implements {module:path.EditorContext#addToSelection}
|
* @fires module:svgcanvas.SvgCanvas#event:selected
|
*/
|
const addToSelection = this.addToSelection = function (elemsToAdd, showGrips) {
|
if (!elemsToAdd.length) { return; }
|
// find the first null in our selectedElements array
|
|
let j = 0;
|
while (j < selectedElements.length) {
|
if (selectedElements[j] == null) {
|
break;
|
}
|
++j;
|
}
|
|
// now add each element consecutively
|
let i = elemsToAdd.length;
|
while (i--) {
|
let elem = elemsToAdd[i];
|
if (!elem) { continue; }
|
const bbox = utilsGetBBox(elem);
|
if (!bbox) { continue; }
|
|
if (elem.tagName === 'a' && elem.childNodes.length === 1) {
|
// Make "a" element's child be the selected element
|
elem = elem.firstChild;
|
}
|
|
// if it's not already there, add it
|
if (!selectedElements.includes(elem)) {
|
selectedElements[j] = elem;
|
|
// only the first selectedBBoxes element is ever used in the codebase these days
|
// if (j === 0) selectedBBoxes[0] = utilsGetBBox(elem);
|
j++;
|
const sel = selectorManager.requestSelector(elem, bbox);
|
|
if (selectedElements.length > 1) {
|
sel.showGrips(false);
|
}
|
}
|
}
|
call('selected', selectedElements);
|
|
if (showGrips || selectedElements.length === 1) {
|
selectorManager.requestSelector(selectedElements[0]).showGrips(true);
|
} else {
|
selectorManager.requestSelector(selectedElements[0]).showGrips(false);
|
}
|
|
// make sure the elements are in the correct order
|
// See: https://www.w3.org/TR/DOM-Level-3-Core/core.html#Node3-compareDocumentPosition
|
|
selectedElements.sort(function (a, b) {
|
if (a && b && a.compareDocumentPosition) {
|
return 3 - (b.compareDocumentPosition(a) & 6);
|
}
|
if (a == null) {
|
return 1;
|
}
|
});
|
|
// Make sure first elements are not null
|
while (selectedElements[0] == null) {
|
selectedElements.shift(0);
|
}
|
};
|
|
/**
|
* @implements {module:path.EditorContext#getOpacity}
|
*/
|
const getOpacity = function () {
|
return curShape.opacity;
|
};
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getMouseTarget
|
* @implements {module:path.EditorContext#getMouseTarget}
|
*/
|
const getMouseTarget = this.getMouseTarget = function (evt) {
|
if (evt == null) {
|
return null;
|
}
|
let mouseTarget = evt.target;
|
|
// if it was a <use>, Opera and WebKit return the SVGElementInstance
|
if (mouseTarget.correspondingUseElement) { mouseTarget = mouseTarget.correspondingUseElement; }
|
|
// for foreign content, go up until we find the foreignObject
|
// WebKit browsers set the mouse target to the svgcanvas div
|
if ([NS.MATH, NS.HTML].includes(mouseTarget.namespaceURI) &&
|
mouseTarget.id !== 'svgcanvas'
|
) {
|
while (mouseTarget.nodeName !== 'foreignObject') {
|
mouseTarget = mouseTarget.parentNode;
|
if (!mouseTarget) { return svgroot; }
|
}
|
}
|
|
// Get the desired mouseTarget with jQuery selector-fu
|
// If it's root-like, select the root
|
const currentLayer = getCurrentDrawing().getCurrentLayer();
|
if ([svgroot, container, svgcontent, currentLayer].includes(mouseTarget)) {
|
return svgroot;
|
}
|
|
const $target = $(mouseTarget);
|
|
// If it's a selection grip, return the grip parent
|
if ($target.closest('#selectorParentGroup').length) {
|
// While we could instead have just returned mouseTarget,
|
// this makes it easier to indentify as being a selector grip
|
return selectorManager.selectorParentGroup;
|
}
|
|
while (mouseTarget.parentNode !== (currentGroup || currentLayer)) {
|
mouseTarget = mouseTarget.parentNode;
|
}
|
|
//
|
// // go up until we hit a child of a layer
|
// while (mouseTarget.parentNode.parentNode.tagName == 'g') {
|
// mouseTarget = mouseTarget.parentNode;
|
// }
|
// Webkit bubbles the mouse event all the way up to the div, so we
|
// set the mouseTarget to the svgroot like the other browsers
|
// if (mouseTarget.nodeName.toLowerCase() == 'div') {
|
// mouseTarget = svgroot;
|
// }
|
|
return mouseTarget;
|
};
|
|
/**
|
* @namespace {module:path.pathActions} pathActions
|
* @memberof module:svgcanvas.SvgCanvas#
|
* @see module:path.pathActions
|
*/
|
canvas.pathActions = pathActions;
|
/**
|
* @implements {module:path.EditorContext#resetD}
|
*/
|
function resetD (p) {
|
p.setAttribute('d', pathActions.convertPath(p));
|
}
|
pathModule.init(
|
/**
|
* @implements {module:path.EditorContext}
|
*/
|
{
|
selectorManager, // Ok since not changing
|
canvas, // Ok since not changing
|
call,
|
resetD,
|
round,
|
clearSelection,
|
addToSelection,
|
addCommandToHistory,
|
remapElement,
|
addSVGElementFromJson,
|
getGridSnapping,
|
getOpacity,
|
getSelectedElements,
|
getContainer () {
|
return container;
|
},
|
setStarted (s) {
|
started = s;
|
},
|
getRubberBox () {
|
return rubberBox;
|
},
|
setRubberBox (rb) {
|
rubberBox = rb;
|
return rubberBox;
|
},
|
/**
|
* @param {boolean} closedSubpath
|
* @param {SVGCircleElement[]} grips
|
* @fires module:svgcanvas.SvgCanvas#event:pointsAdded
|
* @fires module:svgcanvas.SvgCanvas#event:selected
|
* @returns {undefined}
|
*/
|
addPtsToSelection ({closedSubpath, grips}) {
|
// TODO: Correct this:
|
pathActions.canDeleteNodes = true;
|
pathActions.closed_subpath = closedSubpath;
|
call('pointsAdded', {closedSubpath, grips});
|
call('selected', grips);
|
},
|
/**
|
* @param {ChangeElementCommand} cmd
|
* @param {SVGPathElement} elem
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
* @returns {undefined}
|
*/
|
endChanges ({cmd, elem}) {
|
addCommandToHistory(cmd);
|
call('changed', [elem]);
|
},
|
getCurrentZoom,
|
getId,
|
getNextId,
|
getMouseTarget,
|
getCurrentMode () {
|
return currentMode;
|
},
|
setCurrentMode (cm) {
|
currentMode = cm;
|
return currentMode;
|
},
|
getDrawnPath () {
|
return drawnPath;
|
},
|
setDrawnPath (dp) {
|
drawnPath = dp;
|
return drawnPath;
|
},
|
getSVGRoot
|
}
|
);
|
|
// Interface strings, usually for title elements
|
const uiStrings = {};
|
|
const visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use';
|
const refAttrs = ['clip-path', 'fill', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'stroke'];
|
|
const elData = $.data;
|
|
// Animation element to change the opacity of any newly created element
|
const opacAni = document.createElementNS(NS.SVG, 'animate');
|
$(opacAni).attr({
|
attributeName: 'opacity',
|
begin: 'indefinite',
|
dur: 1,
|
fill: 'freeze'
|
}).appendTo(svgroot);
|
|
const restoreRefElems = function (elem) {
|
// Look for missing reference elements, restore any found
|
const attrs = $(elem).attr(refAttrs);
|
for (const o in attrs) {
|
const val = attrs[o];
|
if (val && val.startsWith('url(')) {
|
const id = getUrlFromAttr(val).substr(1);
|
const ref = getElem(id);
|
if (!ref) {
|
findDefs().append(removedElements[id]);
|
delete removedElements[id];
|
}
|
}
|
}
|
|
const childs = elem.getElementsByTagName('*');
|
|
if (childs.length) {
|
for (let i = 0, l = childs.length; i < l; i++) {
|
restoreRefElems(childs[i]);
|
}
|
}
|
};
|
|
// (function () {
|
// TODO For Issue 208: this is a start on a thumbnail
|
// const svgthumb = svgdoc.createElementNS(NS.SVG, 'use');
|
// svgthumb.setAttribute('width', '100');
|
// svgthumb.setAttribute('height', '100');
|
// setHref(svgthumb, '#svgcontent');
|
// svgroot.append(svgthumb);
|
// }());
|
|
/**
|
* @typedef {PlainObject} module:svgcanvas.SaveOptions
|
* @property {boolean} apply
|
* @property {"embed"} [image]
|
* @property {Integer} round_digits
|
*/
|
|
// Object to contain image data for raster images that were found encodable
|
const encodableImages = {},
|
|
// Object with save options
|
/**
|
* @type {module:svgcanvas.SaveOptions}
|
*/
|
saveOptions = {round_digits: 5},
|
|
// Object with IDs for imported files, to see if one was already added
|
importIds = {},
|
|
// Current text style properties
|
curText = allProperties.text,
|
|
// Object to contain all included extensions
|
extensions = {},
|
|
// Map of deleted reference elements
|
removedElements = {};
|
|
let
|
// String with image URL of last loadable image
|
lastGoodImgUrl = curConfig.imgPath + 'logo.png',
|
|
// Boolean indicating whether or not a draw action has been started
|
started = false,
|
|
// String with an element's initial transform attribute value
|
startTransform = null,
|
|
// String indicating the current editor mode
|
currentMode = 'select',
|
|
// String with the current direction in which an element is being resized
|
currentResizeMode = 'none',
|
|
// Current general properties
|
curProperties = curShape,
|
|
// Array with selected elements' Bounding box object
|
// selectedBBoxes = new Array(1),
|
|
// The DOM element that was just selected
|
justSelected = null,
|
|
// DOM element for selection rectangle drawn by the user
|
rubberBox = null,
|
|
// Array of current BBoxes, used in getIntersectionList().
|
curBBoxes = [],
|
|
// Canvas point for the most recent right click
|
lastClickPoint = null;
|
|
/**
|
* @typedef {module:svgcanvas.ExtensionMouseDownStatus|module:svgcanvas.ExtensionMouseUpStatus|module:svgcanvas.ExtensionIDsUpdatedStatus|module:locale.ExtensionLocaleData[]|undefined} module:svgcanvas.ExtensionStatus
|
* @tutorial ExtensionDocs
|
*/
|
/**
|
* @callback module:svgcanvas.ExtensionVarBuilder
|
* @param {string} name The name of the extension
|
*/
|
/**
|
* @todo Consider: Should this return an array by default, so extension results aren't overwritten?
|
* @todo Would be easier to document if passing in object with key of action and vars as value; could then define an interface which tied both together
|
* @function module:svgcanvas.SvgCanvas#runExtensions
|
* @param {"mouseDown"|"mouseMove"|"mouseUp"|"zoomChanged"|"IDsUpdated"|"canvasUpdated"|"toolButtonStateUpdate"|"selectedChanged"|"elementTransition"|"elementChanged"|"langReady"|"langChanged"|"addLangData"|"onNewDocument"|"workareaResized"} action
|
* @param {module:svgcanvas.SvgCanvas#event:ext-mouseDown|module:svgcanvas.SvgCanvas#event:ext-mouseMove|module:svgcanvas.SvgCanvas#event:ext-mouseUp|module:svgcanvas.SvgCanvas#event:ext-zoomChanged|module:svgcanvas.SvgCanvas#event:ext-IDsUpdated|module:svgcanvas.SvgCanvas#event:ext-canvasUpdated|module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate|module:svgcanvas.SvgCanvas#event:ext-selectedChanged|module:svgcanvas.SvgCanvas#event:ext-elementTransition|module:svgcanvas.SvgCanvas#event:ext-elementChanged|module:svgcanvas.SvgCanvas#event:ext-langReady|module:svgcanvas.SvgCanvas#event:ext-langChanged|module:svgcanvas.SvgCanvas#event:ext-addLangData|module:svgcanvas.SvgCanvas#event:ext-onNewDocument|module:svgcanvas.SvgCanvas#event:ext-workareaResized|module:svgcanvas.ExtensionVarBuilder} [vars]
|
* @param {boolean} [returnArray]
|
* @returns {GenericArray.<module:svgcanvas.ExtensionStatus>|module:svgcanvas.ExtensionStatus|false} See {@tutorial ExtensionDocs} on the ExtensionStatus.
|
*/
|
const runExtensions = this.runExtensions = function (action, vars, returnArray) {
|
let result = returnArray ? [] : false;
|
$.each(extensions, function (name, ext) {
|
if (ext && action in ext) {
|
if (typeof vars === 'function') {
|
vars = vars(name); // ext, action
|
}
|
if (returnArray) {
|
result.push(ext[action](vars));
|
} else {
|
result = ext[action](vars);
|
}
|
}
|
});
|
return result;
|
};
|
|
/**
|
* @typedef {PlainObject} module:svgcanvas.ExtensionMouseDownStatus
|
* @property {boolean} started Indicates that creating/editing has started
|
*/
|
/**
|
* @typedef {PlainObject} module:svgcanvas.ExtensionMouseUpStatus
|
* @property {boolean} keep Indicates if the current element should be kept
|
* @property {boolean} started Indicates if editing should still be considered as "started"
|
* @property {Element} element The element being affected
|
*/
|
/**
|
* @typedef {PlainObject} module:svgcanvas.ExtensionIDsUpdatedStatus
|
* @property {string[]} remove Contains string IDs (used by `ext-connector.js`)
|
*/
|
|
/**
|
* @interface module:svgcanvas.ExtensionInitResponse
|
* @property {module:SVGEditor.ContextTool[]|PlainObject.<string, module:SVGEditor.ContextTool>} [context_tools]
|
* @property {module:SVGEditor.Button[]|PlainObject.<Integer, module:SVGEditor.Button>} [buttons]
|
* @property {string} [svgicons] The location of a local SVG or SVGz file
|
*/
|
/**
|
* @function module:svgcanvas.ExtensionInitResponse#mouseDown
|
* @param {module:svgcanvas.SvgCanvas#event:ext-mouseDown} arg
|
* @returns {undefined|module:svgcanvas.ExtensionMouseDownStatus}
|
*/
|
/**
|
* @function module:svgcanvas.ExtensionInitResponse#mouseMove
|
* @param {module:svgcanvas.SvgCanvas#event:ext-mouseMove} arg
|
* @returns {undefined}
|
*/
|
/**
|
* @function module:svgcanvas.ExtensionInitResponse#mouseUp
|
* @param {module:svgcanvas.SvgCanvas#event:ext-mouseUp} arg
|
* @returns {module:svgcanvas.ExtensionMouseUpStatus}
|
*/
|
/**
|
* @function module:svgcanvas.ExtensionInitResponse#zoomChanged
|
* @param {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} arg
|
* @returns {undefined}
|
*/
|
/**
|
* @function module:svgcanvas.ExtensionInitResponse#IDsUpdated
|
* @param {module:svgcanvas.SvgCanvas#event:ext-IDsUpdated} arg
|
* @returns {module:svgcanvas.ExtensionIDsUpdatedStatus}
|
*/
|
/**
|
* @function module:svgcanvas.ExtensionInitResponse#canvasUpdated
|
* @param {module:svgcanvas.SvgCanvas#event:ext-canvasUpdated} arg
|
* @returns {undefined}
|
*/
|
/**
|
* @function module:svgcanvas.ExtensionInitResponse#toolButtonStateUpdate
|
* @param {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} arg
|
* @returns {undefined}
|
*/
|
/**
|
* @function module:svgcanvas.ExtensionInitResponse#selectedChanged
|
* @param {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} arg
|
* @returns {undefined}
|
*/
|
/**
|
* @function module:svgcanvas.ExtensionInitResponse#elementTransition
|
* @param {module:svgcanvas.SvgCanvas#event:ext-elementTransition} arg
|
* @returns {undefined}
|
*/
|
/**
|
* @function module:svgcanvas.ExtensionInitResponse#elementChanged
|
* @param {module:svgcanvas.SvgCanvas#event:ext-elementChanged} arg
|
* @returns {undefined}
|
*/
|
/**
|
* @function module:svgcanvas.ExtensionInitResponse#langReady
|
* @param {module:svgcanvas.SvgCanvas#event:ext-langReady} arg
|
* @returns {undefined}
|
*/
|
/**
|
* @function module:svgcanvas.ExtensionInitResponse#langChanged
|
* @param {module:svgcanvas.SvgCanvas#event:ext-langChanged} arg
|
* @returns {undefined}
|
*/
|
/**
|
* @function module:svgcanvas.ExtensionInitResponse#addLangData
|
* @param {module:svgcanvas.SvgCanvas#event:ext-addLangData} arg
|
* @returns {Promise} Resolves to {@link module:locale.ExtensionLocaleData}
|
*/
|
/**
|
* @function module:svgcanvas.ExtensionInitResponse#onNewDocument
|
* @param {module:svgcanvas.SvgCanvas#event:ext-onNewDocument} arg
|
* @returns {undefined}
|
*/
|
/**
|
* @function module:svgcanvas.ExtensionInitResponse#workareaResized
|
* @param {module:svgcanvas.SvgCanvas#event:ext-workareaResized} arg
|
* @returns {undefined}
|
*/
|
/**
|
* @function module:svgcanvas.ExtensionInitResponse#callback
|
* @this module:SVGEditor
|
* @param {module:svgcanvas.SvgCanvas#event:ext-callback} arg
|
* @returns {undefined}
|
*/
|
|
/**
|
* @callback module:svgcanvas.ExtensionInitCallback
|
* @this module:SVGEditor
|
* @param {module:svgcanvas.ExtensionArgumentObject} arg
|
* @returns {Promise} Resolves to [ExtensionInitResponse]{@link module:svgcanvas.ExtensionInitResponse} or `undefined`
|
*/
|
/**
|
* Add an extension to the editor.
|
* @function module:svgcanvas.SvgCanvas#addExtension
|
* @param {string} name - String with the ID of the extension. Used internally; no need for i18n.
|
* @param {module:svgcanvas.ExtensionInitCallback} [extInitFunc] - Function supplied by the extension with its data
|
* @param {module:SVGEditor~ImportLocale} importLocale
|
* @fires module:svgcanvas.SvgCanvas#event:extension_added
|
* @throws {TypeError} If `extInitFunc` is not a function
|
* @returns {Promise} Resolves to `undefined`
|
*/
|
this.addExtension = async function (name, extInitFunc, importLocale) {
|
if (typeof extInitFunc !== 'function') {
|
throw new TypeError('Function argument expected for `svgcanvas.addExtension`');
|
}
|
if (!(name in extensions)) {
|
// Provide private vars/funcs here. Is there a better way to do this?
|
/**
|
* @typedef {module:svgcanvas.PrivateMethods} module:svgcanvas.ExtensionArgumentObject
|
* @property {SVGSVGElement} svgroot See {@link module:svgcanvas~svgroot}
|
* @property {SVGSVGElement} svgcontent See {@link module:svgcanvas~svgcontent}
|
* @property {!(string|Integer)} nonce See {@link module:draw.Drawing#getNonce}
|
* @property {module:select.SelectorManager} selectorManager
|
* @property {module:SVGEditor~ImportLocale} importLocale
|
*/
|
/**
|
* @type {module:svgcanvas.ExtensionArgumentObject}
|
* @see {@link module:svgcanvas.PrivateMethods} source for the other methods/properties
|
*/
|
const argObj = $.extend(canvas.getPrivateMethods(), {
|
importLocale,
|
svgroot,
|
svgcontent,
|
nonce: getCurrentDrawing().getNonce(),
|
selectorManager
|
});
|
const extObj = await extInitFunc(argObj);
|
if (extObj) {
|
extObj.name = name;
|
}
|
|
extensions[name] = extObj;
|
return call('extension_added', extObj);
|
} else {
|
console.log('Cannot add extension "' + name + '", an extension by that name already exists.');
|
}
|
};
|
|
/**
|
* This method sends back an array or a NodeList full of elements that
|
* intersect the multi-select rubber-band-box on the currentLayer only.
|
*
|
* We brute-force `getIntersectionList` for browsers that do not support it (Firefox).
|
*
|
* Reference:
|
* Firefox does not implement `getIntersectionList()`, see {@link https://bugzilla.mozilla.org/show_bug.cgi?id=501421}.
|
* @function module:svgcanvas.SvgCanvas#getIntersectionList
|
* @param {SVGRect} rect
|
* @returns {Element[]|NodeList} Bbox elements
|
*/
|
const getIntersectionList = this.getIntersectionList = function (rect) {
|
if (rubberBox == null) { return null; }
|
|
const parent = currentGroup || getCurrentDrawing().getCurrentLayer();
|
|
let rubberBBox;
|
if (!rect) {
|
rubberBBox = rubberBox.getBBox();
|
const bb = svgcontent.createSVGRect();
|
|
for (const o in rubberBBox) {
|
bb[o] = rubberBBox[o] / currentZoom;
|
}
|
rubberBBox = bb;
|
} else {
|
rubberBBox = svgcontent.createSVGRect();
|
rubberBBox.x = rect.x;
|
rubberBBox.y = rect.y;
|
rubberBBox.width = rect.width;
|
rubberBBox.height = rect.height;
|
}
|
|
let resultList = null;
|
if (!isIE) {
|
if (typeof svgroot.getIntersectionList === 'function') {
|
// Offset the bbox of the rubber box by the offset of the svgcontent element.
|
rubberBBox.x += parseInt(svgcontent.getAttribute('x'), 10);
|
rubberBBox.y += parseInt(svgcontent.getAttribute('y'), 10);
|
|
resultList = svgroot.getIntersectionList(rubberBBox, parent);
|
}
|
}
|
|
if (resultList == null || typeof resultList.item !== 'function') {
|
resultList = [];
|
|
if (!curBBoxes.length) {
|
// Cache all bboxes
|
curBBoxes = getVisibleElementsAndBBoxes(parent);
|
}
|
let i = curBBoxes.length;
|
while (i--) {
|
if (!rubberBBox.width) { continue; }
|
if (rectsIntersect(rubberBBox, curBBoxes[i].bbox)) {
|
resultList.push(curBBoxes[i].elem);
|
}
|
}
|
}
|
|
// addToSelection expects an array, but it's ok to pass a NodeList
|
// because using square-bracket notation is allowed:
|
// https://www.w3.org/TR/DOM-Level-2-Core/ecma-script-binding.html
|
return resultList;
|
};
|
|
this.getStrokedBBox = getStrokedBBoxDefaultVisible;
|
|
this.getVisibleElements = getVisibleElements;
|
|
/**
|
* @typedef {PlainObject} ElementAndBBox
|
* @property {Element} elem - The element
|
* @property {module:utilities.BBoxObject} bbox - The element's BBox as retrieved from `getStrokedBBoxDefaultVisible`
|
*/
|
|
/**
|
* Get all elements that have a BBox (excludes `<defs>`, `<title>`, etc).
|
* Note that 0-opacity, off-screen etc elements are still considered "visible"
|
* for this function.
|
* @function module:svgcanvas.SvgCanvas#getVisibleElementsAndBBoxes
|
* @param {Element} parent - The parent DOM element to search within
|
* @returns {ElementAndBBox[]} An array with objects that include:
|
*/
|
const getVisibleElementsAndBBoxes = this.getVisibleElementsAndBBoxes = function (parent) {
|
if (!parent) {
|
parent = $(svgcontent).children(); // Prevent layers from being included
|
}
|
const contentElems = [];
|
$(parent).children().each(function (i, elem) {
|
if (elem.getBBox) {
|
contentElems.push({elem, bbox: getStrokedBBoxDefaultVisible([elem])});
|
}
|
});
|
return contentElems.reverse();
|
};
|
|
/**
|
* Wrap an SVG element into a group element, mark the group as 'gsvg'.
|
* @function module:svgcanvas.SvgCanvas#groupSvgElem
|
* @param {Element} elem - SVG element to wrap
|
* @returns {undefined}
|
*/
|
const groupSvgElem = this.groupSvgElem = function (elem) {
|
const g = document.createElementNS(NS.SVG, 'g');
|
elem.replaceWith(g);
|
$(g).append(elem).data('gsvg', elem)[0].id = getNextId();
|
};
|
|
// Set scope for these functions
|
|
// Object to contain editor event names and callback functions
|
const events = {};
|
|
canvas.call = call;
|
/**
|
* Array of what was changed (elements, layers)
|
* @event module:svgcanvas.SvgCanvas#event:changed
|
* @type {Element[]}
|
*/
|
/**
|
* Array of selected elements
|
* @event module:svgcanvas.SvgCanvas#event:selected
|
* @type {Element[]}
|
*/
|
/**
|
* Array of selected elements
|
* @event module:svgcanvas.SvgCanvas#event:transition
|
* @type {Element[]}
|
*/
|
/**
|
* The Element is always `SVGGElement`?
|
* If not `null`, will be the set current group element
|
* @event module:svgcanvas.SvgCanvas#event:contextset
|
* @type {null|Element}
|
*/
|
/**
|
* @event module:svgcanvas.SvgCanvas#event:pointsAdded
|
* @type {PlainObject}
|
* @property {boolean} closedSubpath
|
* @property {SVGCircleElement[]} grips Grips elements
|
*/
|
|
/**
|
* @event module:svgcanvas.SvgCanvas#event:zoomed
|
* @type {PlainObject}
|
* @property {Float} x
|
* @property {Float} y
|
* @property {Float} width
|
* @property {Float} height
|
* @property {0.5|2} factor
|
* @see module:SVGEditor.BBoxObjectWithFactor
|
*/
|
/**
|
* @event module:svgcanvas.SvgCanvas#event:updateCanvas
|
* @type {PlainObject}
|
* @property {false} center
|
* @property {module:math.XYObject} newCtr
|
*/
|
/**
|
* @typedef {PlainObject} module:svgcanvas.ExtensionInitResponsePlusName
|
* @implements {module:svgcanvas.ExtensionInitResponse}
|
* @property {string} name The extension's resolved ID (whether explicit or based on file name)
|
*/
|
/**
|
* Generalized extension object response of
|
* [`init()`]{@link module:svgcanvas.ExtensionInitCallback}
|
* along with the name of the extension.
|
* @event module:svgcanvas.SvgCanvas#event:extension_added
|
* @type {module:svgcanvas.ExtensionInitResponsePlusName|undefined}
|
*/
|
/**
|
* @event module:svgcanvas.SvgCanvas#event:extensions_added
|
* @type {undefined}
|
*/
|
/**
|
* @typedef {PlainObject} module:svgcanvas.Message
|
* @property {Any} data The data
|
* @property {string} origin The origin
|
*/
|
/**
|
* @event module:svgcanvas.SvgCanvas#event:message
|
* @type {module:svgcanvas.Message}
|
*/
|
/**
|
* SVG canvas converted to string
|
* @event module:svgcanvas.SvgCanvas#event:saved
|
* @type {string}
|
*/
|
/**
|
* @event module:svgcanvas.SvgCanvas#event:setnonce
|
* @type {!(string|Integer)}
|
*/
|
/**
|
* @event module:svgcanvas.SvgCanvas#event:unsetnonce
|
* @type {undefined}
|
*/
|
/**
|
* @event module:svgcanvas.SvgCanvas#event:zoomDone
|
* @type {undefined}
|
*/
|
/**
|
* @event module:svgcanvas.SvgCanvas#event:cleared
|
* @type {undefined}
|
*/
|
|
/**
|
* @event module:svgcanvas.SvgCanvas#event:exported
|
* @type {module:svgcanvas.ImageExportedResults}
|
*/
|
/**
|
* @event module:svgcanvas.SvgCanvas#event:exportedPDF
|
* @type {module:svgcanvas.PDFExportedResults}
|
*/
|
/**
|
* Creating a cover-all class until {@link https://github.com/jsdoc3/jsdoc/issues/1545} may be supported.
|
* `undefined` may be returned by {@link module:svgcanvas.SvgCanvas#event:extension_added} if the extension's `init` returns `undefined` It is also the type for the following events "zoomDone", "unsetnonce", "cleared", and "extensions_added".
|
* @event module:svgcanvas.SvgCanvas#event:GenericCanvasEvent
|
* @type {module:svgcanvas.SvgCanvas#event:selected|module:svgcanvas.SvgCanvas#event:changed|module:svgcanvas.SvgCanvas#event:contextset|module:svgcanvas.SvgCanvas#event:pointsAdded|module:svgcanvas.SvgCanvas#event:extension_added|module:svgcanvas.SvgCanvas#event:extensions_added|module:svgcanvas.SvgCanvas#event:message|module:svgcanvas.SvgCanvas#event:transition|module:svgcanvas.SvgCanvas#event:zoomed|module:svgcanvas.SvgCanvas#event:updateCanvas|module:svgcanvas.SvgCanvas#event:saved|module:svgcanvas.SvgCanvas#event:exported|module:svgcanvas.SvgCanvas#event:exportedPDF|module:svgcanvas.SvgCanvas#event:setnonce|module:svgcanvas.SvgCanvas#event:unsetnonce|undefined}
|
*/
|
|
/**
|
* @callback module:svgcanvas.EventHandler
|
* @param {external:Window} win
|
* @param {module:svgcanvas.SvgCanvas#event:GenericCanvasEvent} arg
|
* @listens module:svgcanvas.SvgCanvas#event:GenericCanvasEvent
|
*/
|
|
/**
|
* Attaches a callback function to an event.
|
* @function module:svgcanvas.SvgCanvas#bind
|
* @param {"changed"|"contextset"|"selected"|"pointsAdded"|"extension_added"|"extensions_added"|"message"|"transition"|"zoomed"|"updateCanvas"|"zoomDone"|"saved"|"exported"|"exportedPDF"|"setnonce"|"unsetnonce"|"cleared"} ev - String indicating the name of the event
|
* @param {module:svgcanvas.EventHandler} f - The callback function to bind to the event
|
* @returns {module:svgcanvas.EventHandler} The previous event
|
*/
|
canvas.bind = function (ev, f) {
|
const old = events[ev];
|
events[ev] = f;
|
return old;
|
};
|
|
/**
|
* Runs the SVG Document through the sanitizer and then updates its paths.
|
* @function module:svgcanvas.SvgCanvas#prepareSvg
|
* @param {XMLDocument} newDoc - The SVG DOM document
|
* @returns {undefined}
|
*/
|
this.prepareSvg = function (newDoc) {
|
this.sanitizeSvg(newDoc.documentElement);
|
|
// convert paths into absolute commands
|
const paths = [...newDoc.getElementsByTagNameNS(NS.SVG, 'path')];
|
paths.forEach((path) => {
|
path.setAttribute('d', pathActions.convertPath(path));
|
pathActions.fixEnd(path);
|
});
|
};
|
|
/**
|
* Hack for Firefox bugs where text element features aren't updated or get
|
* messed up. See issue 136 and issue 137.
|
* This function clones the element and re-selects it.
|
* @function module:svgcanvas~ffClone
|
* @todo Test for this bug on load and add it to "support" object instead of
|
* browser sniffing
|
* @param {Element} elem - The (text) DOM element to clone
|
* @returns {Element} Cloned element
|
*/
|
const ffClone = function (elem) {
|
if (!isGecko()) { return elem; }
|
const clone = elem.cloneNode(true);
|
elem.before(clone);
|
elem.remove();
|
selectorManager.releaseSelector(elem);
|
selectedElements[0] = clone;
|
selectorManager.requestSelector(clone).showGrips(true);
|
return clone;
|
};
|
|
// `this.each` is deprecated, if any extension used this it can be recreated by doing this:
|
// * @example $(canvas.getRootElem()).children().each(...)
|
// * @function module:svgcanvas.SvgCanvas#each
|
// this.each = function (cb) {
|
// $(svgroot).children().each(cb);
|
// };
|
|
/**
|
* Removes any old rotations if present, prepends a new rotation at the
|
* transformed center.
|
* @function module:svgcanvas.SvgCanvas#setRotationAngle
|
* @param {string|Float} val - The new rotation angle in degrees
|
* @param {boolean} preventUndo - Indicates whether the action should be undoable or not
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
* @returns {undefined}
|
*/
|
this.setRotationAngle = function (val, preventUndo) {
|
// ensure val is the proper type
|
val = parseFloat(val);
|
const elem = selectedElements[0];
|
const oldTransform = elem.getAttribute('transform');
|
const bbox = utilsGetBBox(elem);
|
const cx = bbox.x + bbox.width / 2, cy = bbox.y + bbox.height / 2;
|
const tlist = getTransformList(elem);
|
|
// only remove the real rotational transform if present (i.e. at index=0)
|
if (tlist.numberOfItems > 0) {
|
const xform = tlist.getItem(0);
|
if (xform.type === 4) {
|
tlist.removeItem(0);
|
}
|
}
|
// find Rnc and insert it
|
if (val !== 0) {
|
const center = transformPoint(cx, cy, transformListToTransform(tlist).matrix);
|
const Rnc = svgroot.createSVGTransform();
|
Rnc.setRotate(val, center.x, center.y);
|
if (tlist.numberOfItems) {
|
tlist.insertItemBefore(Rnc, 0);
|
} else {
|
tlist.appendItem(Rnc);
|
}
|
} else if (tlist.numberOfItems === 0) {
|
elem.removeAttribute('transform');
|
}
|
|
if (!preventUndo) {
|
// we need to undo it, then redo it so it can be undo-able! :)
|
// TODO: figure out how to make changes to transform list undo-able cross-browser?
|
const newTransform = elem.getAttribute('transform');
|
elem.setAttribute('transform', oldTransform);
|
changeSelectedAttribute('transform', newTransform, selectedElements);
|
call('changed', selectedElements);
|
}
|
// const pointGripContainer = getElem('pathpointgrip_container');
|
// if (elem.nodeName === 'path' && pointGripContainer) {
|
// pathActions.setPointContainerTransform(elem.getAttribute('transform'));
|
// }
|
const selector = selectorManager.requestSelector(selectedElements[0]);
|
selector.resize();
|
selector.updateGripCursors(val);
|
};
|
|
/**
|
* Runs `recalculateDimensions` on the selected elements,
|
* adding the changes to a single batch command.
|
* @function module:svgcanvas.SvgCanvas#recalculateAllSelectedDimensions
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
* @returns {undefined}
|
*/
|
const recalculateAllSelectedDimensions = this.recalculateAllSelectedDimensions = function () {
|
const text = (currentResizeMode === 'none' ? 'position' : 'size');
|
const batchCmd = new BatchCommand(text);
|
|
let i = selectedElements.length;
|
while (i--) {
|
const elem = selectedElements[i];
|
// if (getRotationAngle(elem) && !hasMatrixTransform(getTransformList(elem))) { continue; }
|
const cmd = recalculateDimensions(elem);
|
if (cmd) {
|
batchCmd.addSubCommand(cmd);
|
}
|
}
|
|
if (!batchCmd.isEmpty()) {
|
addCommandToHistory(batchCmd);
|
call('changed', selectedElements);
|
}
|
};
|
|
/**
|
* Debug tool to easily see the current matrix in the browser's console.
|
* @function module:svgcanvas~logMatrix
|
* @param {SVGMatrix} m The matrix
|
* @returns {undefined}
|
*/
|
const logMatrix = function (m) {
|
console.log([m.a, m.b, m.c, m.d, m.e, m.f]);
|
};
|
|
// Root Current Transformation Matrix in user units
|
let rootSctm = null;
|
|
/**
|
* Group: Selection
|
*/
|
|
// TODO: do we need to worry about selectedBBoxes here?
|
|
/**
|
* Selects only the given elements, shortcut for `clearSelection(); addToSelection()`.
|
* @function module:svgcanvas.SvgCanvas#selectOnly
|
* @param {Element[]} elems - an array of DOM elements to be selected
|
* @param {boolean} showGrips - Indicates whether the resize grips should be shown
|
* @returns {undefined}
|
*/
|
const selectOnly = this.selectOnly = function (elems, showGrips) {
|
clearSelection(true);
|
addToSelection(elems, showGrips);
|
};
|
|
// TODO: could use slice here to make this faster?
|
// TODO: should the 'selected' handler
|
|
/**
|
* Removes elements from the selection.
|
* @function module:svgcanvas.SvgCanvas#removeFromSelection
|
* @param {Element[]} elemsToRemove - An array of elements to remove from selection
|
* @returns {undefined}
|
*/
|
/* const removeFromSelection = */ this.removeFromSelection = function (elemsToRemove) {
|
if (selectedElements[0] == null) { return; }
|
if (!elemsToRemove.length) { return; }
|
|
// find every element and remove it from our array copy
|
const newSelectedItems = [],
|
len = selectedElements.length;
|
for (let i = 0; i < len; ++i) {
|
const elem = selectedElements[i];
|
if (elem) {
|
// keep the item
|
if (!elemsToRemove.includes(elem)) {
|
newSelectedItems.push(elem);
|
} else { // remove the item and its selector
|
selectorManager.releaseSelector(elem);
|
}
|
}
|
}
|
// the copy becomes the master now
|
selectedElements = newSelectedItems;
|
};
|
|
/**
|
* Clears the selection, then adds all elements in the current layer to the selection.
|
* @function module:svgcanvas.SvgCanvas#selectAllInCurrentLayer
|
* @returns {undefined}
|
*/
|
this.selectAllInCurrentLayer = function () {
|
const currentLayer = getCurrentDrawing().getCurrentLayer();
|
if (currentLayer) {
|
currentMode = 'select';
|
selectOnly($(currentGroup || currentLayer).children());
|
}
|
};
|
|
let drawnPath = null;
|
|
// Mouse events
|
(function () {
|
const freehand = {
|
minx: null,
|
miny: null,
|
maxx: null,
|
maxy: null
|
};
|
const THRESHOLD_DIST = 0.8,
|
STEP_COUNT = 10;
|
let dAttr = null,
|
startX = null,
|
startY = null,
|
rStartX = null,
|
rStartY = null,
|
initBbox = {},
|
sumDistance = 0,
|
controllPoint2 = {x: 0, y: 0},
|
controllPoint1 = {x: 0, y: 0},
|
start = {x: 0, y: 0},
|
end = {x: 0, y: 0},
|
bSpline = {x: 0, y: 0},
|
nextPos = {x: 0, y: 0},
|
parameter,
|
nextParameter;
|
|
const getBsplinePoint = function (t) {
|
const spline = {x: 0, y: 0},
|
p0 = controllPoint2,
|
p1 = controllPoint1,
|
p2 = start,
|
p3 = end,
|
S = 1.0 / 6.0,
|
t2 = t * t,
|
t3 = t2 * t;
|
|
const m = [
|
[-1, 3, -3, 1],
|
[3, -6, 3, 0],
|
[-3, 0, 3, 0],
|
[1, 4, 1, 0]
|
];
|
|
spline.x = S * (
|
(p0.x * m[0][0] + p1.x * m[0][1] + p2.x * m[0][2] + p3.x * m[0][3]) * t3 +
|
(p0.x * m[1][0] + p1.x * m[1][1] + p2.x * m[1][2] + p3.x * m[1][3]) * t2 +
|
(p0.x * m[2][0] + p1.x * m[2][1] + p2.x * m[2][2] + p3.x * m[2][3]) * t +
|
(p0.x * m[3][0] + p1.x * m[3][1] + p2.x * m[3][2] + p3.x * m[3][3])
|
);
|
spline.y = S * (
|
(p0.y * m[0][0] + p1.y * m[0][1] + p2.y * m[0][2] + p3.y * m[0][3]) * t3 +
|
(p0.y * m[1][0] + p1.y * m[1][1] + p2.y * m[1][2] + p3.y * m[1][3]) * t2 +
|
(p0.y * m[2][0] + p1.y * m[2][1] + p2.y * m[2][2] + p3.y * m[2][3]) * t +
|
(p0.y * m[3][0] + p1.y * m[3][1] + p2.y * m[3][2] + p3.y * m[3][3])
|
);
|
|
return {
|
x: spline.x,
|
y: spline.y
|
};
|
};
|
/**
|
* Follows these conditions:
|
* - When we are in a create mode, the element is added to the canvas but the
|
* action is not recorded until mousing up.
|
* - When we are in select mode, select the element, remember the position
|
* and do nothing else.
|
* @param {MouseEvent} evt
|
* @fires module:svgcanvas.SvgCanvas#event:ext-mouseDown
|
* @returns {undefined}
|
*/
|
const mouseDown = function (evt) {
|
if (canvas.spaceKey || evt.button === 1) { return; }
|
|
const rightClick = evt.button === 2;
|
|
if (evt.altKey) { // duplicate when dragging
|
canvas.cloneSelectedElements(0, 0);
|
}
|
|
rootSctm = $('#svgcontent g')[0].getScreenCTM().inverse();
|
|
const pt = transformPoint(evt.pageX, evt.pageY, rootSctm),
|
mouseX = pt.x * currentZoom,
|
mouseY = pt.y * currentZoom;
|
|
evt.preventDefault();
|
|
if (rightClick) {
|
currentMode = 'select';
|
lastClickPoint = pt;
|
}
|
|
// This would seem to be unnecessary...
|
// if (!['select', 'resize'].includes(currentMode)) {
|
// setGradient();
|
// }
|
|
let x = mouseX / currentZoom,
|
y = mouseY / currentZoom;
|
let mouseTarget = getMouseTarget(evt);
|
|
if (mouseTarget.tagName === 'a' && mouseTarget.childNodes.length === 1) {
|
mouseTarget = mouseTarget.firstChild;
|
}
|
|
// realX/y ignores grid-snap value
|
const realX = x;
|
rStartX = startX = x;
|
const realY = y;
|
rStartY = startY = y;
|
|
if (curConfig.gridSnapping) {
|
x = snapToGrid(x);
|
y = snapToGrid(y);
|
startX = snapToGrid(startX);
|
startY = snapToGrid(startY);
|
}
|
|
// if it is a selector grip, then it must be a single element selected,
|
// set the mouseTarget to that and update the mode to rotate/resize
|
|
if (mouseTarget === selectorManager.selectorParentGroup && selectedElements[0] != null) {
|
const grip = evt.target;
|
const griptype = elData(grip, 'type');
|
// rotating
|
if (griptype === 'rotate') {
|
currentMode = 'rotate';
|
// resizing
|
} else if (griptype === 'resize') {
|
currentMode = 'resize';
|
currentResizeMode = elData(grip, 'dir');
|
}
|
mouseTarget = selectedElements[0];
|
}
|
|
startTransform = mouseTarget.getAttribute('transform');
|
let i, strokeW;
|
const tlist = getTransformList(mouseTarget);
|
switch (currentMode) {
|
case 'select':
|
started = true;
|
currentResizeMode = 'none';
|
if (rightClick) { started = false; }
|
|
if (mouseTarget !== svgroot) {
|
// if this element is not yet selected, clear selection and select it
|
if (!selectedElements.includes(mouseTarget)) {
|
// only clear selection if shift is not pressed (otherwise, add
|
// element to selection)
|
if (!evt.shiftKey) {
|
// No need to do the call here as it will be done on addToSelection
|
clearSelection(true);
|
}
|
addToSelection([mouseTarget]);
|
justSelected = mouseTarget;
|
pathActions.clear();
|
}
|
// else if it's a path, go into pathedit mode in mouseup
|
|
if (!rightClick) {
|
// insert a dummy transform so if the element(s) are moved it will have
|
// a transform to use for its translate
|
for (i = 0; i < selectedElements.length; ++i) {
|
if (selectedElements[i] == null) { continue; }
|
const slist = getTransformList(selectedElements[i]);
|
if (slist.numberOfItems) {
|
slist.insertItemBefore(svgroot.createSVGTransform(), 0);
|
} else {
|
slist.appendItem(svgroot.createSVGTransform());
|
}
|
}
|
}
|
} else if (!rightClick) {
|
clearSelection();
|
currentMode = 'multiselect';
|
if (rubberBox == null) {
|
rubberBox = selectorManager.getRubberBandBox();
|
}
|
rStartX *= currentZoom;
|
rStartY *= currentZoom;
|
// console.log('p',[evt.pageX, evt.pageY]);
|
// console.log('c',[evt.clientX, evt.clientY]);
|
// console.log('o',[evt.offsetX, evt.offsetY]);
|
// console.log('s',[startX, startY]);
|
|
assignAttributes(rubberBox, {
|
x: rStartX,
|
y: rStartY,
|
width: 0,
|
height: 0,
|
display: 'inline'
|
}, 100);
|
}
|
break;
|
case 'zoom':
|
started = true;
|
if (rubberBox == null) {
|
rubberBox = selectorManager.getRubberBandBox();
|
}
|
assignAttributes(rubberBox, {
|
x: realX * currentZoom,
|
y: realX * currentZoom,
|
width: 0,
|
height: 0,
|
display: 'inline'
|
}, 100);
|
break;
|
case 'resize':
|
started = true;
|
startX = x;
|
startY = y;
|
|
// Getting the BBox from the selection box, since we know we
|
// want to orient around it
|
initBbox = utilsGetBBox($('#selectedBox0')[0]);
|
const bb = {};
|
$.each(initBbox, function (key, val) {
|
bb[key] = val / currentZoom;
|
});
|
initBbox = bb;
|
|
// append three dummy transforms to the tlist so that
|
// we can translate,scale,translate in mousemove
|
const pos = getRotationAngle(mouseTarget) ? 1 : 0;
|
|
if (hasMatrixTransform(tlist)) {
|
tlist.insertItemBefore(svgroot.createSVGTransform(), pos);
|
tlist.insertItemBefore(svgroot.createSVGTransform(), pos);
|
tlist.insertItemBefore(svgroot.createSVGTransform(), pos);
|
} else {
|
tlist.appendItem(svgroot.createSVGTransform());
|
tlist.appendItem(svgroot.createSVGTransform());
|
tlist.appendItem(svgroot.createSVGTransform());
|
|
if (supportsNonScalingStroke()) {
|
// Handle crash for newer Chrome and Safari 6 (Mobile and Desktop):
|
// https://code.google.com/p/svg-edit/issues/detail?id=904
|
// Chromium issue: https://code.google.com/p/chromium/issues/detail?id=114625
|
// TODO: Remove this workaround once vendor fixes the issue
|
const iswebkit = isWebkit();
|
|
let delayedStroke;
|
if (iswebkit) {
|
delayedStroke = function (ele) {
|
const _stroke = ele.getAttribute('stroke');
|
ele.removeAttribute('stroke');
|
// Re-apply stroke after delay. Anything higher than 1 seems to cause flicker
|
if (_stroke !== null) setTimeout(function () { ele.setAttribute('stroke', _stroke); }, 0);
|
};
|
}
|
mouseTarget.style.vectorEffect = 'non-scaling-stroke';
|
if (iswebkit) { delayedStroke(mouseTarget); }
|
|
const all = mouseTarget.getElementsByTagName('*'),
|
len = all.length;
|
for (i = 0; i < len; i++) {
|
if (!all[i].style) { // mathML
|
continue;
|
}
|
all[i].style.vectorEffect = 'non-scaling-stroke';
|
if (iswebkit) { delayedStroke(all[i]); }
|
}
|
}
|
}
|
break;
|
case 'fhellipse':
|
case 'fhrect':
|
case 'fhpath':
|
start.x = realX;
|
start.y = realY;
|
started = true;
|
dAttr = realX + ',' + realY + ' ';
|
// Commented out as doing nothing now:
|
// strokeW = parseFloat(curShape.stroke_width) === 0 ? 1 : curShape.stroke_width;
|
addSVGElementFromJson({
|
element: 'polyline',
|
curStyles: true,
|
attr: {
|
points: dAttr,
|
id: getNextId(),
|
fill: 'none',
|
opacity: curShape.opacity / 2,
|
'stroke-linecap': 'round',
|
style: 'pointer-events:none'
|
}
|
});
|
freehand.minx = realX;
|
freehand.maxx = realX;
|
freehand.miny = realY;
|
freehand.maxy = realY;
|
break;
|
case 'image':
|
started = true;
|
const newImage = addSVGElementFromJson({
|
element: 'image',
|
attr: {
|
x,
|
y,
|
width: 0,
|
height: 0,
|
id: getNextId(),
|
opacity: curShape.opacity / 2,
|
style: 'pointer-events:inherit'
|
}
|
});
|
setHref(newImage, lastGoodImgUrl);
|
preventClickDefault(newImage);
|
break;
|
case 'square':
|
// FIXME: once we create the rect, we lose information that this was a square
|
// (for resizing purposes this could be important)
|
// Fallthrough
|
case 'rect':
|
started = true;
|
startX = x;
|
startY = y;
|
addSVGElementFromJson({
|
element: 'rect',
|
curStyles: true,
|
attr: {
|
x,
|
y,
|
width: 0,
|
height: 0,
|
id: getNextId(),
|
opacity: curShape.opacity / 2
|
}
|
});
|
break;
|
case 'line':
|
started = true;
|
strokeW = Number(curShape.stroke_width) === 0 ? 1 : curShape.stroke_width;
|
addSVGElementFromJson({
|
element: 'line',
|
curStyles: true,
|
attr: {
|
x1: x,
|
y1: y,
|
x2: x,
|
y2: y,
|
id: getNextId(),
|
stroke: curShape.stroke,
|
'stroke-width': strokeW,
|
'stroke-dasharray': curShape.stroke_dasharray,
|
'stroke-linejoin': curShape.stroke_linejoin,
|
'stroke-linecap': curShape.stroke_linecap,
|
'stroke-opacity': curShape.stroke_opacity,
|
fill: 'none',
|
opacity: curShape.opacity / 2,
|
style: 'pointer-events:none'
|
}
|
});
|
break;
|
case 'circle':
|
started = true;
|
addSVGElementFromJson({
|
element: 'circle',
|
curStyles: true,
|
attr: {
|
cx: x,
|
cy: y,
|
r: 0,
|
id: getNextId(),
|
opacity: curShape.opacity / 2
|
}
|
});
|
break;
|
case 'ellipse':
|
started = true;
|
addSVGElementFromJson({
|
element: 'ellipse',
|
curStyles: true,
|
attr: {
|
cx: x,
|
cy: y,
|
rx: 0,
|
ry: 0,
|
id: getNextId(),
|
opacity: curShape.opacity / 2
|
}
|
});
|
break;
|
case 'text':
|
started = true;
|
/* const newText = */ addSVGElementFromJson({
|
element: 'text',
|
curStyles: true,
|
attr: {
|
x,
|
y,
|
id: getNextId(),
|
fill: curText.fill,
|
'stroke-width': curText.stroke_width,
|
'font-size': curText.font_size,
|
'font-family': curText.font_family,
|
'text-anchor': 'middle',
|
'xml:space': 'preserve',
|
opacity: curShape.opacity
|
}
|
});
|
// newText.textContent = 'text';
|
break;
|
case 'path':
|
// Fall through
|
case 'pathedit':
|
startX *= currentZoom;
|
startY *= currentZoom;
|
pathActions.mouseDown(evt, mouseTarget, startX, startY);
|
started = true;
|
break;
|
case 'textedit':
|
startX *= currentZoom;
|
startY *= currentZoom;
|
textActions.mouseDown(evt, mouseTarget, startX, startY);
|
started = true;
|
break;
|
case 'rotate':
|
started = true;
|
// we are starting an undoable change (a drag-rotation)
|
canvas.undoMgr.beginUndoableChange('transform', selectedElements);
|
break;
|
default:
|
// This could occur in an extension
|
break;
|
}
|
|
/**
|
* The main (left) mouse button is held down on the canvas area
|
* @event module:svgcanvas.SvgCanvas#event:ext-mouseDown
|
* @type {PlainObject}
|
* @property {MouseEvent} event The event object
|
* @property {Float} start_x x coordinate on canvas
|
* @property {Float} start_y y coordinate on canvas
|
* @property {Element[]} selectedElements An array of the selected Elements
|
*/
|
const extResult = runExtensions('mouseDown', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseDown} */ {
|
event: evt,
|
start_x: startX,
|
start_y: startY,
|
selectedElements
|
}, true);
|
|
$.each(extResult, function (i, r) {
|
if (r && r.started) {
|
started = true;
|
}
|
});
|
};
|
|
// in this function we do not record any state changes yet (but we do update
|
// any elements that are still being created, moved or resized on the canvas)
|
/**
|
*
|
* @param {MouseEvent} evt
|
* @fires module:svgcanvas.SvgCanvas#event:transition
|
* @fires module:svgcanvas.SvgCanvas#event:ext-mouseMove
|
* @returns {undefined}
|
*/
|
const mouseMove = function (evt) {
|
if (!started) { return; }
|
if (evt.button === 1 || canvas.spaceKey) { return; }
|
|
let i, xya, c, cx, cy, dx, dy, len, angle, box,
|
selected = selectedElements[0];
|
const
|
pt = transformPoint(evt.pageX, evt.pageY, rootSctm),
|
mouseX = pt.x * currentZoom,
|
mouseY = pt.y * currentZoom,
|
shape = getElem(getId());
|
|
let realX = mouseX / currentZoom;
|
let x = realX;
|
let realY = mouseY / currentZoom;
|
let y = realY;
|
|
if (curConfig.gridSnapping) {
|
x = snapToGrid(x);
|
y = snapToGrid(y);
|
}
|
|
evt.preventDefault();
|
let tlist;
|
switch (currentMode) {
|
case 'select': {
|
// we temporarily use a translate on the element(s) being dragged
|
// this transform is removed upon mousing up and the element is
|
// relocated to the new location
|
if (selectedElements[0] !== null) {
|
dx = x - startX;
|
dy = y - startY;
|
|
if (curConfig.gridSnapping) {
|
dx = snapToGrid(dx);
|
dy = snapToGrid(dy);
|
}
|
|
/*
|
// Commenting out as currently has no effect
|
if (evt.shiftKey) {
|
xya = snapToAngle(startX, startY, x, y);
|
({x, y} = xya);
|
}
|
*/
|
|
if (dx !== 0 || dy !== 0) {
|
len = selectedElements.length;
|
for (i = 0; i < len; ++i) {
|
selected = selectedElements[i];
|
if (selected == null) { break; }
|
// if (i === 0) {
|
// const box = utilsGetBBox(selected);
|
// selectedBBoxes[i].x = box.x + dx;
|
// selectedBBoxes[i].y = box.y + dy;
|
// }
|
|
// update the dummy transform in our transform list
|
// to be a translate
|
const xform = svgroot.createSVGTransform();
|
tlist = getTransformList(selected);
|
// Note that if Webkit and there's no ID for this
|
// element, the dummy transform may have gotten lost.
|
// This results in unexpected behaviour
|
|
xform.setTranslate(dx, dy);
|
if (tlist.numberOfItems) {
|
tlist.replaceItem(xform, 0);
|
} else {
|
tlist.appendItem(xform);
|
}
|
|
// update our internal bbox that we're tracking while dragging
|
selectorManager.requestSelector(selected).resize();
|
}
|
|
call('transition', selectedElements);
|
}
|
}
|
break;
|
} case 'multiselect': {
|
realX *= currentZoom;
|
realY *= currentZoom;
|
assignAttributes(rubberBox, {
|
x: Math.min(rStartX, realX),
|
y: Math.min(rStartY, realY),
|
width: Math.abs(realX - rStartX),
|
height: Math.abs(realY - rStartY)
|
}, 100);
|
|
// for each selected:
|
// - if newList contains selected, do nothing
|
// - if newList doesn't contain selected, remove it from selected
|
// - for any newList that was not in selectedElements, add it to selected
|
const elemsToRemove = selectedElements.slice(), elemsToAdd = [],
|
newList = getIntersectionList();
|
|
// For every element in the intersection, add if not present in selectedElements.
|
len = newList.length;
|
for (i = 0; i < len; ++i) {
|
const intElem = newList[i];
|
// Found an element that was not selected before, so we should add it.
|
if (!selectedElements.includes(intElem)) {
|
elemsToAdd.push(intElem);
|
}
|
// Found an element that was already selected, so we shouldn't remove it.
|
const foundInd = elemsToRemove.indexOf(intElem);
|
if (foundInd !== -1) {
|
elemsToRemove.splice(foundInd, 1);
|
}
|
}
|
|
if (elemsToRemove.length > 0) {
|
canvas.removeFromSelection(elemsToRemove);
|
}
|
|
if (elemsToAdd.length > 0) {
|
canvas.addToSelection(elemsToAdd);
|
}
|
|
break;
|
} case 'resize': {
|
// we track the resize bounding box and translate/scale the selected element
|
// while the mouse is down, when mouse goes up, we use this to recalculate
|
// the shape's coordinates
|
tlist = getTransformList(selected);
|
const hasMatrix = hasMatrixTransform(tlist);
|
box = hasMatrix ? initBbox : utilsGetBBox(selected);
|
let left = box.x,
|
top = box.y,
|
{width, height} = box;
|
dx = (x - startX);
|
dy = (y - startY);
|
|
if (curConfig.gridSnapping) {
|
dx = snapToGrid(dx);
|
dy = snapToGrid(dy);
|
height = snapToGrid(height);
|
width = snapToGrid(width);
|
}
|
|
// if rotated, adjust the dx,dy values
|
angle = getRotationAngle(selected);
|
if (angle) {
|
const r = Math.sqrt(dx * dx + dy * dy),
|
theta = Math.atan2(dy, dx) - angle * Math.PI / 180.0;
|
dx = r * Math.cos(theta);
|
dy = r * Math.sin(theta);
|
}
|
|
// if not stretching in y direction, set dy to 0
|
// if not stretching in x direction, set dx to 0
|
if (!currentResizeMode.includes('n') && !currentResizeMode.includes('s')) {
|
dy = 0;
|
}
|
if (!currentResizeMode.includes('e') && !currentResizeMode.includes('w')) {
|
dx = 0;
|
}
|
|
let // ts = null,
|
tx = 0, ty = 0,
|
sy = height ? (height + dy) / height : 1,
|
sx = width ? (width + dx) / width : 1;
|
// if we are dragging on the north side, then adjust the scale factor and ty
|
if (currentResizeMode.includes('n')) {
|
sy = height ? (height - dy) / height : 1;
|
ty = height;
|
}
|
|
// if we dragging on the east side, then adjust the scale factor and tx
|
if (currentResizeMode.includes('w')) {
|
sx = width ? (width - dx) / width : 1;
|
tx = width;
|
}
|
|
// update the transform list with translate,scale,translate
|
const translateOrigin = svgroot.createSVGTransform(),
|
scale = svgroot.createSVGTransform(),
|
translateBack = svgroot.createSVGTransform();
|
|
if (curConfig.gridSnapping) {
|
left = snapToGrid(left);
|
tx = snapToGrid(tx);
|
top = snapToGrid(top);
|
ty = snapToGrid(ty);
|
}
|
|
translateOrigin.setTranslate(-(left + tx), -(top + ty));
|
if (evt.shiftKey) {
|
if (sx === 1) {
|
sx = sy;
|
} else { sy = sx; }
|
}
|
scale.setScale(sx, sy);
|
|
translateBack.setTranslate(left + tx, top + ty);
|
if (hasMatrix) {
|
const diff = angle ? 1 : 0;
|
tlist.replaceItem(translateOrigin, 2 + diff);
|
tlist.replaceItem(scale, 1 + diff);
|
tlist.replaceItem(translateBack, Number(diff));
|
} else {
|
const N = tlist.numberOfItems;
|
tlist.replaceItem(translateBack, N - 3);
|
tlist.replaceItem(scale, N - 2);
|
tlist.replaceItem(translateOrigin, N - 1);
|
}
|
|
selectorManager.requestSelector(selected).resize();
|
|
call('transition', selectedElements);
|
|
break;
|
} case 'zoom': {
|
realX *= currentZoom;
|
realY *= currentZoom;
|
assignAttributes(rubberBox, {
|
x: Math.min(rStartX * currentZoom, realX),
|
y: Math.min(rStartY * currentZoom, realY),
|
width: Math.abs(realX - rStartX * currentZoom),
|
height: Math.abs(realY - rStartY * currentZoom)
|
}, 100);
|
break;
|
} case 'text': {
|
assignAttributes(shape, {
|
x,
|
y
|
}, 1000);
|
break;
|
} case 'line': {
|
if (curConfig.gridSnapping) {
|
x = snapToGrid(x);
|
y = snapToGrid(y);
|
}
|
|
let x2 = x;
|
let y2 = y;
|
|
if (evt.shiftKey) {
|
xya = snapToAngle(startX, startY, x2, y2);
|
x2 = xya.x;
|
y2 = xya.y;
|
}
|
|
shape.setAttribute('x2', x2);
|
shape.setAttribute('y2', y2);
|
break;
|
} case 'foreignObject':
|
// fall through
|
case 'square':
|
// fall through
|
case 'rect':
|
// fall through
|
case 'image': {
|
const square = (currentMode === 'square') || evt.shiftKey;
|
let
|
w = Math.abs(x - startX),
|
h = Math.abs(y - startY);
|
let newX, newY;
|
if (square) {
|
w = h = Math.max(w, h);
|
newX = startX < x ? startX : startX - w;
|
newY = startY < y ? startY : startY - h;
|
} else {
|
newX = Math.min(startX, x);
|
newY = Math.min(startY, y);
|
}
|
|
if (curConfig.gridSnapping) {
|
w = snapToGrid(w);
|
h = snapToGrid(h);
|
newX = snapToGrid(newX);
|
newY = snapToGrid(newY);
|
}
|
|
assignAttributes(shape, {
|
width: w,
|
height: h,
|
x: newX,
|
y: newY
|
}, 1000);
|
|
break;
|
} case 'circle': {
|
c = $(shape).attr(['cx', 'cy']);
|
({cx, cy} = c);
|
let rad = Math.sqrt((x - cx) * (x - cx) + (y - cy) * (y - cy));
|
if (curConfig.gridSnapping) {
|
rad = snapToGrid(rad);
|
}
|
shape.setAttribute('r', rad);
|
break;
|
} case 'ellipse': {
|
c = $(shape).attr(['cx', 'cy']);
|
({cx, cy} = c);
|
if (curConfig.gridSnapping) {
|
x = snapToGrid(x);
|
cx = snapToGrid(cx);
|
y = snapToGrid(y);
|
cy = snapToGrid(cy);
|
}
|
shape.setAttribute('rx', Math.abs(x - cx));
|
const ry = Math.abs(evt.shiftKey ? (x - cx) : (y - cy));
|
shape.setAttribute('ry', ry);
|
break;
|
}
|
case 'fhellipse':
|
case 'fhrect': {
|
freehand.minx = Math.min(realX, freehand.minx);
|
freehand.maxx = Math.max(realX, freehand.maxx);
|
freehand.miny = Math.min(realY, freehand.miny);
|
freehand.maxy = Math.max(realY, freehand.maxy);
|
}
|
// Fallthrough
|
case 'fhpath': {
|
// dAttr += + realX + ',' + realY + ' ';
|
// shape.setAttribute('points', dAttr);
|
end.x = realX; end.y = realY;
|
if (controllPoint2.x && controllPoint2.y) {
|
for (i = 0; i < STEP_COUNT - 1; i++) {
|
parameter = i / STEP_COUNT;
|
nextParameter = (i + 1) / STEP_COUNT;
|
bSpline = getBsplinePoint(nextParameter);
|
nextPos = bSpline;
|
bSpline = getBsplinePoint(parameter);
|
sumDistance += Math.sqrt((nextPos.x - bSpline.x) * (nextPos.x - bSpline.x) + (nextPos.y - bSpline.y) * (nextPos.y - bSpline.y));
|
if (sumDistance > THRESHOLD_DIST) {
|
sumDistance -= THRESHOLD_DIST;
|
|
// Faster than completely re-writing the points attribute.
|
const point = svgcontent.createSVGPoint();
|
point.x = bSpline.x;
|
point.y = bSpline.y;
|
shape.points.appendItem(point);
|
}
|
}
|
}
|
controllPoint2 = {x: controllPoint1.x, y: controllPoint1.y};
|
controllPoint1 = {x: start.x, y: start.y};
|
start = {x: end.x, y: end.y};
|
break;
|
// update path stretch line coordinates
|
} case 'path': {
|
}
|
// fall through
|
case 'pathedit': {
|
x *= currentZoom;
|
y *= currentZoom;
|
|
if (curConfig.gridSnapping) {
|
x = snapToGrid(x);
|
y = snapToGrid(y);
|
startX = snapToGrid(startX);
|
startY = snapToGrid(startY);
|
}
|
if (evt.shiftKey) {
|
const {path} = pathModule;
|
let x1, y1;
|
if (path) {
|
x1 = path.dragging ? path.dragging[0] : startX;
|
y1 = path.dragging ? path.dragging[1] : startY;
|
} else {
|
x1 = startX;
|
y1 = startY;
|
}
|
xya = snapToAngle(x1, y1, x, y);
|
({x, y} = xya);
|
}
|
|
if (rubberBox && rubberBox.getAttribute('display') !== 'none') {
|
realX *= currentZoom;
|
realY *= currentZoom;
|
assignAttributes(rubberBox, {
|
x: Math.min(rStartX * currentZoom, realX),
|
y: Math.min(rStartY * currentZoom, realY),
|
width: Math.abs(realX - rStartX * currentZoom),
|
height: Math.abs(realY - rStartY * currentZoom)
|
}, 100);
|
}
|
pathActions.mouseMove(x, y);
|
|
break;
|
} case 'textedit': {
|
x *= currentZoom;
|
y *= currentZoom;
|
// if (rubberBox && rubberBox.getAttribute('display') !== 'none') {
|
// assignAttributes(rubberBox, {
|
// x: Math.min(startX, x),
|
// y: Math.min(startY, y),
|
// width: Math.abs(x - startX),
|
// height: Math.abs(y - startY)
|
// }, 100);
|
// }
|
|
textActions.mouseMove(mouseX, mouseY);
|
|
break;
|
} case 'rotate': {
|
box = utilsGetBBox(selected);
|
cx = box.x + box.width / 2;
|
cy = box.y + box.height / 2;
|
const m = getMatrix(selected),
|
center = transformPoint(cx, cy, m);
|
cx = center.x;
|
cy = center.y;
|
angle = ((Math.atan2(cy - y, cx - x) * (180 / Math.PI)) - 90) % 360;
|
if (curConfig.gridSnapping) {
|
angle = snapToGrid(angle);
|
}
|
if (evt.shiftKey) { // restrict rotations to nice angles (WRS)
|
const snap = 45;
|
angle = Math.round(angle / snap) * snap;
|
}
|
|
canvas.setRotationAngle(angle < -180 ? (360 + angle) : angle, true);
|
call('transition', selectedElements);
|
break;
|
} default:
|
break;
|
}
|
|
/**
|
* The mouse has moved on the canvas area
|
* @event module:svgcanvas.SvgCanvas#event:ext-mouseMove
|
* @type {PlainObject}
|
* @property {MouseEvent} event The event object
|
* @property {Float} mouse_x x coordinate on canvas
|
* @property {Float} mouse_y y coordinate on canvas
|
* @property {Element} selected Refers to the first selected element
|
*/
|
runExtensions('mouseMove', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseMove} */ {
|
event: evt,
|
mouse_x: mouseX,
|
mouse_y: mouseY,
|
selected
|
});
|
}; // mouseMove()
|
|
// - in create mode, the element's opacity is set properly, we create an InsertElementCommand
|
// and store it on the Undo stack
|
// - in move/resize mode, the element's attributes which were affected by the move/resize are
|
// identified, a ChangeElementCommand is created and stored on the stack for those attrs
|
// this is done in when we recalculate the selected dimensions()
|
/**
|
*
|
* @param {MouseEvent} evt
|
* @fires module:svgcanvas.SvgCanvas#event:zoomed
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
* @fires module:svgcanvas.SvgCanvas#event:ext-mouseUp
|
* @returns {undefined}
|
*/
|
const mouseUp = function (evt) {
|
if (evt.button === 2) { return; }
|
const tempJustSelected = justSelected;
|
justSelected = null;
|
if (!started) { return; }
|
const pt = transformPoint(evt.pageX, evt.pageY, rootSctm),
|
mouseX = pt.x * currentZoom,
|
mouseY = pt.y * currentZoom,
|
x = mouseX / currentZoom,
|
y = mouseY / currentZoom;
|
|
let element = getElem(getId());
|
let keep = false;
|
|
const realX = x;
|
const realY = y;
|
|
// TODO: Make true when in multi-unit mode
|
const useUnit = false; // (curConfig.baseUnit !== 'px');
|
started = false;
|
let attrs, t;
|
switch (currentMode) {
|
// intentionally fall-through to select here
|
case 'resize':
|
case 'multiselect':
|
if (rubberBox != null) {
|
rubberBox.setAttribute('display', 'none');
|
curBBoxes = [];
|
}
|
currentMode = 'select';
|
// Fallthrough
|
case 'select':
|
if (selectedElements[0] != null) {
|
// if we only have one selected element
|
if (selectedElements[1] == null) {
|
// set our current stroke/fill properties to the element's
|
const selected = selectedElements[0];
|
switch (selected.tagName) {
|
case 'g':
|
case 'use':
|
case 'image':
|
case 'foreignObject':
|
break;
|
default:
|
curProperties.fill = selected.getAttribute('fill');
|
curProperties.fill_opacity = selected.getAttribute('fill-opacity');
|
curProperties.stroke = selected.getAttribute('stroke');
|
curProperties.stroke_opacity = selected.getAttribute('stroke-opacity');
|
curProperties.stroke_width = selected.getAttribute('stroke-width');
|
curProperties.stroke_dasharray = selected.getAttribute('stroke-dasharray');
|
curProperties.stroke_linejoin = selected.getAttribute('stroke-linejoin');
|
curProperties.stroke_linecap = selected.getAttribute('stroke-linecap');
|
}
|
|
if (selected.tagName === 'text') {
|
curText.font_size = selected.getAttribute('font-size');
|
curText.font_family = selected.getAttribute('font-family');
|
}
|
selectorManager.requestSelector(selected).showGrips(true);
|
|
// This shouldn't be necessary as it was done on mouseDown...
|
// call('selected', [selected]);
|
}
|
// always recalculate dimensions to strip off stray identity transforms
|
recalculateAllSelectedDimensions();
|
// if it was being dragged/resized
|
if (realX !== rStartX || realY !== rStartY) {
|
const len = selectedElements.length;
|
for (let i = 0; i < len; ++i) {
|
if (selectedElements[i] == null) { break; }
|
if (!selectedElements[i].firstChild) {
|
// Not needed for groups (incorrectly resizes elems), possibly not needed at all?
|
selectorManager.requestSelector(selectedElements[i]).resize();
|
}
|
}
|
// no change in position/size, so maybe we should move to pathedit
|
} else {
|
t = evt.target;
|
if (selectedElements[0].nodeName === 'path' && selectedElements[1] == null) {
|
pathActions.select(selectedElements[0]);
|
// if it was a path
|
// else, if it was selected and this is a shift-click, remove it from selection
|
} else if (evt.shiftKey) {
|
if (tempJustSelected !== t) {
|
canvas.removeFromSelection([t]);
|
}
|
}
|
} // no change in mouse position
|
|
// Remove non-scaling stroke
|
if (supportsNonScalingStroke()) {
|
const elem = selectedElements[0];
|
if (elem) {
|
elem.removeAttribute('style');
|
walkTree(elem, function (elem) {
|
elem.removeAttribute('style');
|
});
|
}
|
}
|
}
|
return;
|
case 'zoom':
|
if (rubberBox != null) {
|
rubberBox.setAttribute('display', 'none');
|
}
|
const factor = evt.shiftKey ? 0.5 : 2;
|
call('zoomed', {
|
x: Math.min(rStartX, realX),
|
y: Math.min(rStartY, realY),
|
width: Math.abs(realX - rStartX),
|
height: Math.abs(realY - rStartY),
|
factor
|
});
|
return;
|
case 'fhpath':
|
// Check that the path contains at least 2 points; a degenerate one-point path
|
// causes problems.
|
// Webkit ignores how we set the points attribute with commas and uses space
|
// to separate all coordinates, see https://bugs.webkit.org/show_bug.cgi?id=29870
|
sumDistance = 0;
|
controllPoint2 = {x: 0, y: 0};
|
controllPoint1 = {x: 0, y: 0};
|
start = {x: 0, y: 0};
|
end = {x: 0, y: 0};
|
const coords = element.getAttribute('points');
|
const commaIndex = coords.indexOf(',');
|
if (commaIndex >= 0) {
|
keep = coords.indexOf(',', commaIndex + 1) >= 0;
|
} else {
|
keep = coords.indexOf(' ', coords.indexOf(' ') + 1) >= 0;
|
}
|
if (keep) {
|
element = pathActions.smoothPolylineIntoPath(element);
|
}
|
break;
|
case 'line':
|
attrs = $(element).attr(['x1', 'x2', 'y1', 'y2']);
|
keep = (attrs.x1 !== attrs.x2 || attrs.y1 !== attrs.y2);
|
break;
|
case 'foreignObject':
|
case 'square':
|
case 'rect':
|
case 'image':
|
attrs = $(element).attr(['width', 'height']);
|
// Image should be kept regardless of size (use inherit dimensions later)
|
keep = (attrs.width || attrs.height) || currentMode === 'image';
|
break;
|
case 'circle':
|
keep = (element.getAttribute('r') !== '0');
|
break;
|
case 'ellipse':
|
attrs = $(element).attr(['rx', 'ry']);
|
keep = (attrs.rx || attrs.ry);
|
break;
|
case 'fhellipse':
|
if ((freehand.maxx - freehand.minx) > 0 &&
|
(freehand.maxy - freehand.miny) > 0) {
|
element = addSVGElementFromJson({
|
element: 'ellipse',
|
curStyles: true,
|
attr: {
|
cx: (freehand.minx + freehand.maxx) / 2,
|
cy: (freehand.miny + freehand.maxy) / 2,
|
rx: (freehand.maxx - freehand.minx) / 2,
|
ry: (freehand.maxy - freehand.miny) / 2,
|
id: getId()
|
}
|
});
|
call('changed', [element]);
|
keep = true;
|
}
|
break;
|
case 'fhrect':
|
if ((freehand.maxx - freehand.minx) > 0 &&
|
(freehand.maxy - freehand.miny) > 0) {
|
element = addSVGElementFromJson({
|
element: 'rect',
|
curStyles: true,
|
attr: {
|
x: freehand.minx,
|
y: freehand.miny,
|
width: (freehand.maxx - freehand.minx),
|
height: (freehand.maxy - freehand.miny),
|
id: getId()
|
}
|
});
|
call('changed', [element]);
|
keep = true;
|
}
|
break;
|
case 'text':
|
keep = true;
|
selectOnly([element]);
|
textActions.start(element);
|
break;
|
case 'path':
|
// set element to null here so that it is not removed nor finalized
|
element = null;
|
// continue to be set to true so that mouseMove happens
|
started = true;
|
|
const res = pathActions.mouseUp(evt, element, mouseX, mouseY);
|
({element} = res);
|
({keep} = res);
|
break;
|
case 'pathedit':
|
keep = true;
|
element = null;
|
pathActions.mouseUp(evt);
|
break;
|
case 'textedit':
|
keep = false;
|
element = null;
|
textActions.mouseUp(evt, mouseX, mouseY);
|
break;
|
case 'rotate':
|
keep = true;
|
element = null;
|
currentMode = 'select';
|
const batchCmd = canvas.undoMgr.finishUndoableChange();
|
if (!batchCmd.isEmpty()) {
|
addCommandToHistory(batchCmd);
|
}
|
// perform recalculation to weed out any stray identity transforms that might get stuck
|
recalculateAllSelectedDimensions();
|
call('changed', selectedElements);
|
break;
|
default:
|
// This could occur in an extension
|
break;
|
}
|
|
/**
|
* The main (left) mouse button is released (anywhere)
|
* @event module:svgcanvas.SvgCanvas#event:ext-mouseUp
|
* @type {PlainObject}
|
* @property {MouseEvent} event The event object
|
* @property {Float} mouse_x x coordinate on canvas
|
* @property {Float} mouse_y y coordinate on canvas
|
*/
|
const extResult = runExtensions('mouseUp', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseUp} */ {
|
event: evt,
|
mouse_x: mouseX,
|
mouse_y: mouseY
|
}, true);
|
|
$.each(extResult, function (i, r) {
|
if (r) {
|
keep = r.keep || keep;
|
({element} = r);
|
started = r.started || started;
|
}
|
});
|
|
if (!keep && element != null) {
|
getCurrentDrawing().releaseId(getId());
|
element.remove();
|
element = null;
|
|
t = evt.target;
|
|
// if this element is in a group, go up until we reach the top-level group
|
// just below the layer groups
|
// TODO: once we implement links, we also would have to check for <a> elements
|
while (t && t.parentNode && t.parentNode.parentNode && t.parentNode.parentNode.tagName === 'g') {
|
t = t.parentNode;
|
}
|
// if we are not in the middle of creating a path, and we've clicked on some shape,
|
// then go to Select mode.
|
// WebKit returns <div> when the canvas is clicked, Firefox/Opera return <svg>
|
if ((currentMode !== 'path' || !drawnPath) &&
|
t && t.parentNode &&
|
t.parentNode.id !== 'selectorParentGroup' &&
|
t.id !== 'svgcanvas' && t.id !== 'svgroot'
|
) {
|
// switch into "select" mode if we've clicked on an element
|
canvas.setMode('select');
|
selectOnly([t], true);
|
}
|
} else if (element != null) {
|
/**
|
* @name module:svgcanvas.SvgCanvas#addedNew
|
* @type {boolean}
|
*/
|
canvas.addedNew = true;
|
|
if (useUnit) { convertAttrs(element); }
|
|
let aniDur = 0.2;
|
let cAni;
|
if (opacAni.beginElement && parseFloat(element.getAttribute('opacity')) !== curShape.opacity) {
|
cAni = $(opacAni).clone().attr({
|
to: curShape.opacity,
|
dur: aniDur
|
}).appendTo(element);
|
try {
|
// Fails in FF4 on foreignObject
|
cAni[0].beginElement();
|
} catch (e) {}
|
} else {
|
aniDur = 0;
|
}
|
|
// Ideally this would be done on the endEvent of the animation,
|
// but that doesn't seem to be supported in Webkit
|
setTimeout(function () {
|
if (cAni) { cAni.remove(); }
|
element.setAttribute('opacity', curShape.opacity);
|
element.setAttribute('style', 'pointer-events:inherit');
|
cleanupElement(element);
|
if (currentMode === 'path') {
|
pathActions.toEditMode(element);
|
} else if (curConfig.selectNew) {
|
selectOnly([element], true);
|
}
|
// we create the insert command that is stored on the stack
|
// undo means to call cmd.unapply(), redo means to call cmd.apply()
|
addCommandToHistory(new InsertElementCommand(element));
|
|
call('changed', [element]);
|
}, aniDur * 1000);
|
}
|
|
startTransform = null;
|
};
|
|
const dblClick = function (evt) {
|
const evtTarget = evt.target;
|
const parent = evtTarget.parentNode;
|
|
// Do nothing if already in current group
|
if (parent === currentGroup) { return; }
|
|
let mouseTarget = getMouseTarget(evt);
|
const {tagName} = mouseTarget;
|
|
if (tagName === 'text' && currentMode !== 'textedit') {
|
const pt = transformPoint(evt.pageX, evt.pageY, rootSctm);
|
textActions.select(mouseTarget, pt.x, pt.y);
|
}
|
|
if ((tagName === 'g' || tagName === 'a') &&
|
getRotationAngle(mouseTarget)
|
) {
|
// TODO: Allow method of in-group editing without having to do
|
// this (similar to editing rotated paths)
|
|
// Ungroup and regroup
|
pushGroupProperties(mouseTarget);
|
mouseTarget = selectedElements[0];
|
clearSelection(true);
|
}
|
// Reset context
|
if (currentGroup) {
|
draw.leaveContext();
|
}
|
|
if ((parent.tagName !== 'g' && parent.tagName !== 'a') ||
|
parent === getCurrentDrawing().getCurrentLayer() ||
|
mouseTarget === selectorManager.selectorParentGroup
|
) {
|
// Escape from in-group edit
|
return;
|
}
|
draw.setContext(mouseTarget);
|
};
|
|
// prevent links from being followed in the canvas
|
const handleLinkInCanvas = function (e) {
|
e.preventDefault();
|
return false;
|
};
|
|
// Added mouseup to the container here.
|
// TODO(codedread): Figure out why after the Closure compiler, the window mouseup is ignored.
|
$(container).mousedown(mouseDown).mousemove(mouseMove).click(handleLinkInCanvas).dblclick(dblClick).mouseup(mouseUp);
|
// $(window).mouseup(mouseUp);
|
|
// TODO(rafaelcastrocouto): User preference for shift key and zoom factor
|
$(container).bind(
|
'mousewheel DOMMouseScroll',
|
/**
|
* @param {Event} e
|
* @fires module:svgcanvas.SvgCanvas#event:updateCanvas
|
* @fires module:svgcanvas.SvgCanvas#event:zoomDone
|
* @returns {undefined}
|
*/
|
function (e) {
|
if (!e.shiftKey) { return; }
|
|
e.preventDefault();
|
const evt = e.originalEvent;
|
|
rootSctm = $('#svgcontent g')[0].getScreenCTM().inverse();
|
|
const workarea = $('#workarea');
|
const scrbar = 15;
|
const rulerwidth = curConfig.showRulers ? 16 : 0;
|
|
// mouse relative to content area in content pixels
|
const pt = transformPoint(evt.pageX, evt.pageY, rootSctm);
|
|
// full work area width in screen pixels
|
const editorFullW = workarea.width();
|
const editorFullH = workarea.height();
|
|
// work area width minus scroll and ruler in screen pixels
|
const editorW = editorFullW - scrbar - rulerwidth;
|
const editorH = editorFullH - scrbar - rulerwidth;
|
|
// work area width in content pixels
|
const workareaViewW = editorW * rootSctm.a;
|
const workareaViewH = editorH * rootSctm.d;
|
|
// content offset from canvas in screen pixels
|
const wOffset = workarea.offset();
|
const wOffsetLeft = wOffset['left'] + rulerwidth;
|
const wOffsetTop = wOffset['top'] + rulerwidth;
|
|
const delta = (evt.wheelDelta) ? evt.wheelDelta : (evt.detail) ? -evt.detail : 0;
|
if (!delta) { return; }
|
|
let factor = Math.max(3 / 4, Math.min(4 / 3, (delta)));
|
|
let wZoom, hZoom;
|
if (factor > 1) {
|
wZoom = Math.ceil(editorW / workareaViewW * factor * 100) / 100;
|
hZoom = Math.ceil(editorH / workareaViewH * factor * 100) / 100;
|
} else {
|
wZoom = Math.floor(editorW / workareaViewW * factor * 100) / 100;
|
hZoom = Math.floor(editorH / workareaViewH * factor * 100) / 100;
|
}
|
let zoomlevel = Math.min(wZoom, hZoom);
|
zoomlevel = Math.min(10, Math.max(0.01, zoomlevel));
|
if (zoomlevel === currentZoom) {
|
return;
|
}
|
factor = zoomlevel / currentZoom;
|
|
// top left of workarea in content pixels before zoom
|
const topLeftOld = transformPoint(wOffsetLeft, wOffsetTop, rootSctm);
|
|
// top left of workarea in content pixels after zoom
|
const topLeftNew = {
|
x: pt.x - (pt.x - topLeftOld.x) / factor,
|
y: pt.y - (pt.y - topLeftOld.y) / factor
|
};
|
|
// top left of workarea in canvas pixels relative to content after zoom
|
const topLeftNewCanvas = {
|
x: topLeftNew.x * zoomlevel,
|
y: topLeftNew.y * zoomlevel
|
};
|
|
// new center in canvas pixels
|
const newCtr = {
|
x: topLeftNewCanvas.x - rulerwidth + editorFullW / 2,
|
y: topLeftNewCanvas.y - rulerwidth + editorFullH / 2
|
};
|
|
canvas.setZoom(zoomlevel);
|
$('#zoom').val((zoomlevel * 100).toFixed(1));
|
|
call('updateCanvas', {center: false, newCtr});
|
call('zoomDone');
|
}
|
);
|
}());
|
|
/**
|
* Group: Text edit functions
|
* Functions relating to editing text elements
|
* @namespace {PlainObject} textActions
|
* @memberof module:svgcanvas.SvgCanvas#
|
*/
|
const textActions = canvas.textActions = (function () {
|
let curtext;
|
let textinput;
|
let cursor;
|
let selblock;
|
let blinker;
|
let chardata = [];
|
let textbb; // , transbb;
|
let matrix;
|
let lastX, lastY;
|
let allowDbl;
|
|
function setCursor (index) {
|
const empty = (textinput.value === '');
|
$(textinput).focus();
|
|
if (!arguments.length) {
|
if (empty) {
|
index = 0;
|
} else {
|
if (textinput.selectionEnd !== textinput.selectionStart) { return; }
|
index = textinput.selectionEnd;
|
}
|
}
|
|
const charbb = chardata[index];
|
if (!empty) {
|
textinput.setSelectionRange(index, index);
|
}
|
cursor = getElem('text_cursor');
|
if (!cursor) {
|
cursor = document.createElementNS(NS.SVG, 'line');
|
assignAttributes(cursor, {
|
id: 'text_cursor',
|
stroke: '#333',
|
'stroke-width': 1
|
});
|
cursor = getElem('selectorParentGroup').appendChild(cursor);
|
}
|
|
if (!blinker) {
|
blinker = setInterval(function () {
|
const show = (cursor.getAttribute('display') === 'none');
|
cursor.setAttribute('display', show ? 'inline' : 'none');
|
}, 600);
|
}
|
|
const startPt = ptToScreen(charbb.x, textbb.y);
|
const endPt = ptToScreen(charbb.x, (textbb.y + textbb.height));
|
|
assignAttributes(cursor, {
|
x1: startPt.x,
|
y1: startPt.y,
|
x2: endPt.x,
|
y2: endPt.y,
|
visibility: 'visible',
|
display: 'inline'
|
});
|
|
if (selblock) { selblock.setAttribute('d', ''); }
|
}
|
|
function setSelection (start, end, skipInput) {
|
if (start === end) {
|
setCursor(end);
|
return;
|
}
|
|
if (!skipInput) {
|
textinput.setSelectionRange(start, end);
|
}
|
|
selblock = getElem('text_selectblock');
|
if (!selblock) {
|
selblock = document.createElementNS(NS.SVG, 'path');
|
assignAttributes(selblock, {
|
id: 'text_selectblock',
|
fill: 'green',
|
opacity: 0.5,
|
style: 'pointer-events:none'
|
});
|
getElem('selectorParentGroup').append(selblock);
|
}
|
|
const startbb = chardata[start];
|
const endbb = chardata[end];
|
|
cursor.setAttribute('visibility', 'hidden');
|
|
const tl = ptToScreen(startbb.x, textbb.y),
|
tr = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y),
|
bl = ptToScreen(startbb.x, textbb.y + textbb.height),
|
br = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y + textbb.height);
|
|
const dstr = 'M' + tl.x + ',' + tl.y +
|
' L' + tr.x + ',' + tr.y +
|
' ' + br.x + ',' + br.y +
|
' ' + bl.x + ',' + bl.y + 'z';
|
|
assignAttributes(selblock, {
|
d: dstr,
|
display: 'inline'
|
});
|
}
|
|
function getIndexFromPoint (mouseX, mouseY) {
|
// Position cursor here
|
const pt = svgroot.createSVGPoint();
|
pt.x = mouseX;
|
pt.y = mouseY;
|
|
// No content, so return 0
|
if (chardata.length === 1) { return 0; }
|
// Determine if cursor should be on left or right of character
|
let charpos = curtext.getCharNumAtPosition(pt);
|
if (charpos < 0) {
|
// Out of text range, look at mouse coords
|
charpos = chardata.length - 2;
|
if (mouseX <= chardata[0].x) {
|
charpos = 0;
|
}
|
} else if (charpos >= chardata.length - 2) {
|
charpos = chardata.length - 2;
|
}
|
const charbb = chardata[charpos];
|
const mid = charbb.x + (charbb.width / 2);
|
if (mouseX > mid) {
|
charpos++;
|
}
|
return charpos;
|
}
|
|
function setCursorFromPoint (mouseX, mouseY) {
|
setCursor(getIndexFromPoint(mouseX, mouseY));
|
}
|
|
function setEndSelectionFromPoint (x, y, apply) {
|
const i1 = textinput.selectionStart;
|
const i2 = getIndexFromPoint(x, y);
|
|
const start = Math.min(i1, i2);
|
const end = Math.max(i1, i2);
|
setSelection(start, end, !apply);
|
}
|
|
function screenToPt (xIn, yIn) {
|
const out = {
|
x: xIn,
|
y: yIn
|
};
|
|
out.x /= currentZoom;
|
out.y /= currentZoom;
|
|
if (matrix) {
|
const pt = transformPoint(out.x, out.y, matrix.inverse());
|
out.x = pt.x;
|
out.y = pt.y;
|
}
|
|
return out;
|
}
|
|
function ptToScreen (xIn, yIn) {
|
const out = {
|
x: xIn,
|
y: yIn
|
};
|
|
if (matrix) {
|
const pt = transformPoint(out.x, out.y, matrix);
|
out.x = pt.x;
|
out.y = pt.y;
|
}
|
|
out.x *= currentZoom;
|
out.y *= currentZoom;
|
|
return out;
|
}
|
|
/*
|
// Not currently in use
|
function hideCursor () {
|
if (cursor) {
|
cursor.setAttribute('visibility', 'hidden');
|
}
|
}
|
*/
|
|
function selectAll (evt) {
|
setSelection(0, curtext.textContent.length);
|
$(this).unbind(evt);
|
}
|
|
function selectWord (evt) {
|
if (!allowDbl || !curtext) { return; }
|
|
const ept = transformPoint(evt.pageX, evt.pageY, rootSctm),
|
mouseX = ept.x * currentZoom,
|
mouseY = ept.y * currentZoom;
|
const pt = screenToPt(mouseX, mouseY);
|
|
const index = getIndexFromPoint(pt.x, pt.y);
|
const str = curtext.textContent;
|
const first = str.substr(0, index).replace(/[a-z0-9]+$/i, '').length;
|
const m = str.substr(index).match(/^[a-z0-9]+/i);
|
const last = (m ? m[0].length : 0) + index;
|
setSelection(first, last);
|
|
// Set tripleclick
|
$(evt.target).click(selectAll);
|
setTimeout(function () {
|
$(evt.target).unbind('click', selectAll);
|
}, 300);
|
}
|
|
return /** @lends module:svgcanvas.SvgCanvas#textActions */ {
|
/**
|
* @param {Element} target
|
* @param {Float} x
|
* @param {Float} y
|
* @returns {undefined}
|
*/
|
select (target, x, y) {
|
curtext = target;
|
textActions.toEditMode(x, y);
|
},
|
/**
|
* @param {Element} elem
|
* @returns {undefined}
|
*/
|
start (elem) {
|
curtext = elem;
|
textActions.toEditMode();
|
},
|
/**
|
* @param {external:MouseEvent} evt
|
* @param {Element} mouseTarget
|
* @param {Float} startX
|
* @param {Float} startY
|
* @returns {undefined}
|
*/
|
mouseDown (evt, mouseTarget, startX, startY) {
|
const pt = screenToPt(startX, startY);
|
|
textinput.focus();
|
setCursorFromPoint(pt.x, pt.y);
|
lastX = startX;
|
lastY = startY;
|
|
// TODO: Find way to block native selection
|
},
|
/**
|
* @param {Float} mouseX
|
* @param {Float} mouseY
|
* @returns {undefined}
|
*/
|
mouseMove (mouseX, mouseY) {
|
const pt = screenToPt(mouseX, mouseY);
|
setEndSelectionFromPoint(pt.x, pt.y);
|
},
|
/**
|
* @param {external:MouseEvent} evt
|
* @param {Float} mouseX
|
* @param {Float} mouseY
|
* @returns {undefined}
|
*/
|
mouseUp (evt, mouseX, mouseY) {
|
const pt = screenToPt(mouseX, mouseY);
|
|
setEndSelectionFromPoint(pt.x, pt.y, true);
|
|
// TODO: Find a way to make this work: Use transformed BBox instead of evt.target
|
// if (lastX === mouseX && lastY === mouseY
|
// && !rectsIntersect(transbb, {x: pt.x, y: pt.y, width: 0, height: 0})) {
|
// textActions.toSelectMode(true);
|
// }
|
|
if (
|
evt.target !== curtext &&
|
mouseX < lastX + 2 &&
|
mouseX > lastX - 2 &&
|
mouseY < lastY + 2 &&
|
mouseY > lastY - 2
|
) {
|
textActions.toSelectMode(true);
|
}
|
},
|
/**
|
* @function
|
* @param {Integer} index
|
* @returns {undefined}
|
*/
|
setCursor,
|
/**
|
* @param {Float} x
|
* @param {Float} y
|
* @returns {undefined}
|
*/
|
toEditMode (x, y) {
|
allowDbl = false;
|
currentMode = 'textedit';
|
selectorManager.requestSelector(curtext).showGrips(false);
|
// Make selector group accept clicks
|
/* const selector = */ selectorManager.requestSelector(curtext); // Do we need this? Has side effect of setting lock, so keeping for now, but next line wasn't being used
|
// const sel = selector.selectorRect;
|
|
textActions.init();
|
|
$(curtext).css('cursor', 'text');
|
|
// if (supportsEditableText()) {
|
// curtext.setAttribute('editable', 'simple');
|
// return;
|
// }
|
|
if (!arguments.length) {
|
setCursor();
|
} else {
|
const pt = screenToPt(x, y);
|
setCursorFromPoint(pt.x, pt.y);
|
}
|
|
setTimeout(function () {
|
allowDbl = true;
|
}, 300);
|
},
|
/**
|
* @param {boolean|Element} selectElem
|
* @fires module:svgcanvas.SvgCanvas#event:selected
|
* @returns {undefined}
|
*/
|
toSelectMode (selectElem) {
|
currentMode = 'select';
|
clearInterval(blinker);
|
blinker = null;
|
if (selblock) { $(selblock).attr('display', 'none'); }
|
if (cursor) { $(cursor).attr('visibility', 'hidden'); }
|
$(curtext).css('cursor', 'move');
|
|
if (selectElem) {
|
clearSelection();
|
$(curtext).css('cursor', 'move');
|
|
call('selected', [curtext]);
|
addToSelection([curtext], true);
|
}
|
if (curtext && !curtext.textContent.length) {
|
// No content, so delete
|
canvas.deleteSelectedElements();
|
}
|
|
$(textinput).blur();
|
|
curtext = false;
|
|
// if (supportsEditableText()) {
|
// curtext.removeAttribute('editable');
|
// }
|
},
|
/**
|
* @param {Element} elem
|
* @returns {undefined}
|
*/
|
setInputElem (elem) {
|
textinput = elem;
|
// $(textinput).blur(hideCursor);
|
},
|
/**
|
* @returns {undefined}
|
*/
|
clear () {
|
if (currentMode === 'textedit') {
|
textActions.toSelectMode();
|
}
|
},
|
/**
|
* @param {Element} inputElem Not in use
|
* @returns {undefined}
|
*/
|
init (inputElem) {
|
if (!curtext) { return; }
|
let i, end;
|
// if (supportsEditableText()) {
|
// curtext.select();
|
// return;
|
// }
|
|
if (!curtext.parentNode) {
|
// Result of the ffClone, need to get correct element
|
curtext = selectedElements[0];
|
selectorManager.requestSelector(curtext).showGrips(false);
|
}
|
|
const str = curtext.textContent;
|
const len = str.length;
|
|
const xform = curtext.getAttribute('transform');
|
|
textbb = utilsGetBBox(curtext);
|
|
matrix = xform ? getMatrix(curtext) : null;
|
|
chardata = [];
|
chardata.length = len;
|
textinput.focus();
|
|
$(curtext).unbind('dblclick', selectWord).dblclick(selectWord);
|
|
if (!len) {
|
end = {x: textbb.x + (textbb.width / 2), width: 0};
|
}
|
|
for (i = 0; i < len; i++) {
|
const start = curtext.getStartPositionOfChar(i);
|
end = curtext.getEndPositionOfChar(i);
|
|
if (!supportsGoodTextCharPos()) {
|
const offset = canvas.contentW * currentZoom;
|
start.x -= offset;
|
end.x -= offset;
|
|
start.x /= currentZoom;
|
end.x /= currentZoom;
|
}
|
|
// Get a "bbox" equivalent for each character. Uses the
|
// bbox data of the actual text for y, height purposes
|
|
// TODO: Decide if y, width and height are actually necessary
|
chardata[i] = {
|
x: start.x,
|
y: textbb.y, // start.y?
|
width: end.x - start.x,
|
height: textbb.height
|
};
|
}
|
|
// Add a last bbox for cursor at end of text
|
chardata.push({
|
x: end.x,
|
width: 0
|
});
|
setSelection(textinput.selectionStart, textinput.selectionEnd, true);
|
}
|
};
|
}());
|
|
/**
|
* Group: Serialization
|
*/
|
|
/**
|
* Looks at DOM elements inside the `<defs>` to see if they are referred to,
|
* removes them from the DOM if they are not.
|
* @function module:svgcanvas.SvgCanvas#removeUnusedDefElems
|
* @returns {Integer} The number of elements that were removed
|
*/
|
const removeUnusedDefElems = this.removeUnusedDefElems = function () {
|
const defs = svgcontent.getElementsByTagNameNS(NS.SVG, 'defs');
|
if (!defs || !defs.length) { return 0; }
|
|
// if (!defs.firstChild) { return; }
|
|
const defelemUses = [];
|
let numRemoved = 0;
|
const attrs = ['fill', 'stroke', 'filter', 'marker-start', 'marker-mid', 'marker-end'];
|
const alen = attrs.length;
|
|
const allEls = svgcontent.getElementsByTagNameNS(NS.SVG, '*');
|
const allLen = allEls.length;
|
|
let i, j;
|
for (i = 0; i < allLen; i++) {
|
const el = allEls[i];
|
for (j = 0; j < alen; j++) {
|
const ref = getUrlFromAttr(el.getAttribute(attrs[j]));
|
if (ref) {
|
defelemUses.push(ref.substr(1));
|
}
|
}
|
|
// gradients can refer to other gradients
|
const href = getHref(el);
|
if (href && href.startsWith('#')) {
|
defelemUses.push(href.substr(1));
|
}
|
}
|
|
const defelems = $(defs).find('linearGradient, radialGradient, filter, marker, svg, symbol');
|
i = defelems.length;
|
while (i--) {
|
const defelem = defelems[i];
|
const {id} = defelem;
|
if (!defelemUses.includes(id)) {
|
// Not found, so remove (but remember)
|
removedElements[id] = defelem;
|
defelem.remove();
|
numRemoved++;
|
}
|
}
|
|
return numRemoved;
|
};
|
|
/**
|
* Main function to set up the SVG content for output.
|
* @function module:svgcanvas.SvgCanvas#svgCanvasToString
|
* @returns {string} The SVG image for output
|
*/
|
this.svgCanvasToString = function () {
|
// keep calling it until there are none to remove
|
while (removeUnusedDefElems() > 0) {}
|
|
pathActions.clear(true);
|
|
// Keep SVG-Edit comment on top
|
$.each(svgcontent.childNodes, function (i, node) {
|
if (i && node.nodeType === 8 && node.data.includes('Created with')) {
|
svgcontent.firstChild.before(node);
|
}
|
});
|
|
// Move out of in-group editing mode
|
if (currentGroup) {
|
draw.leaveContext();
|
selectOnly([currentGroup]);
|
}
|
|
const nakedSvgs = [];
|
|
// Unwrap gsvg if it has no special attributes (only id and style)
|
$(svgcontent).find('g:data(gsvg)').each(function () {
|
const attrs = this.attributes;
|
let len = attrs.length;
|
for (let i = 0; i < len; i++) {
|
if (attrs[i].nodeName === 'id' || attrs[i].nodeName === 'style') {
|
len--;
|
}
|
}
|
// No significant attributes, so ungroup
|
if (len <= 0) {
|
const svg = this.firstChild;
|
nakedSvgs.push(svg);
|
$(this).replaceWith(svg);
|
}
|
});
|
const output = this.svgToString(svgcontent, 0);
|
|
// Rewrap gsvg
|
if (nakedSvgs.length) {
|
$(nakedSvgs).each(function () {
|
groupSvgElem(this);
|
});
|
}
|
|
return output;
|
};
|
|
/**
|
* Sub function ran on each SVG element to convert it to a string as desired.
|
* @function module:svgcanvas.SvgCanvas#svgToString
|
* @param {Element} elem - The SVG element to convert
|
* @param {Integer} indent - Number of spaces to indent this tag
|
* @returns {string} The given element as an SVG tag
|
*/
|
this.svgToString = function (elem, indent) {
|
const out = [];
|
const unit = curConfig.baseUnit;
|
const unitRe = new RegExp('^-?[\\d\\.]+' + unit + '$');
|
|
if (elem) {
|
cleanupElement(elem);
|
const attrs = Array.from(elem.attributes);
|
let i;
|
const childs = elem.childNodes;
|
attrs.sort((a, b) => a.name > b.name ? -1 : 1);
|
|
for (i = 0; i < indent; i++) { out.push(' '); }
|
out.push('<'); out.push(elem.nodeName);
|
if (elem.id === 'svgcontent') {
|
// Process root element separately
|
const res = getResolution();
|
|
const vb = '';
|
// TODO: Allow this by dividing all values by current baseVal
|
// Note that this also means we should properly deal with this on import
|
// if (curConfig.baseUnit !== 'px') {
|
// const unit = curConfig.baseUnit;
|
// const unitM = getTypeMap()[unit];
|
// res.w = shortFloat(res.w / unitM);
|
// res.h = shortFloat(res.h / unitM);
|
// vb = ' viewBox="' + [0, 0, res.w, res.h].join(' ') + '"';
|
// res.w += unit;
|
// res.h += unit;
|
// }
|
|
if (unit !== 'px') {
|
res.w = convertUnit(res.w, unit) + unit;
|
res.h = convertUnit(res.h, unit) + unit;
|
}
|
|
out.push(' width="' + res.w + '" height="' + res.h + '"' + vb + ' xmlns="' + NS.SVG + '"');
|
|
const nsuris = {};
|
|
// Check elements for namespaces, add if found
|
$(elem).find('*').andSelf().each(function () {
|
// const el = this;
|
// for some elements have no attribute
|
const uri = this.namespaceURI;
|
if (uri && !nsuris[uri] && nsMap[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml') {
|
nsuris[uri] = true;
|
out.push(' xmlns:' + nsMap[uri] + '="' + uri + '"');
|
}
|
|
$.each(this.attributes, function (i, attr) {
|
const uri = attr.namespaceURI;
|
if (uri && !nsuris[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml') {
|
nsuris[uri] = true;
|
out.push(' xmlns:' + nsMap[uri] + '="' + uri + '"');
|
}
|
});
|
});
|
|
i = attrs.length;
|
const attrNames = ['width', 'height', 'xmlns', 'x', 'y', 'viewBox', 'id', 'overflow'];
|
while (i--) {
|
const attr = attrs[i];
|
const attrVal = toXml(attr.value);
|
|
// Namespaces have already been dealt with, so skip
|
if (attr.nodeName.startsWith('xmlns:')) { continue; }
|
|
// only serialize attributes we don't use internally
|
if (attrVal !== '' && !attrNames.includes(attr.localName)) {
|
if (!attr.namespaceURI || nsMap[attr.namespaceURI]) {
|
out.push(' ');
|
out.push(attr.nodeName); out.push('="');
|
out.push(attrVal); out.push('"');
|
}
|
}
|
}
|
} else {
|
// Skip empty defs
|
if (elem.nodeName === 'defs' && !elem.firstChild) { return; }
|
|
const mozAttrs = ['-moz-math-font-style', '_moz-math-font-style'];
|
for (i = attrs.length - 1; i >= 0; i--) {
|
const attr = attrs[i];
|
let attrVal = toXml(attr.value);
|
// remove bogus attributes added by Gecko
|
if (mozAttrs.includes(attr.localName)) { continue; }
|
if (attrVal !== '') {
|
if (attrVal.startsWith('pointer-events')) { continue; }
|
if (attr.localName === 'class' && attrVal.startsWith('se_')) { continue; }
|
out.push(' ');
|
if (attr.localName === 'd') { attrVal = pathActions.convertPath(elem, true); }
|
if (!isNaN(attrVal)) {
|
attrVal = shortFloat(attrVal);
|
} else if (unitRe.test(attrVal)) {
|
attrVal = shortFloat(attrVal) + unit;
|
}
|
|
// Embed images when saving
|
if (saveOptions.apply &&
|
elem.nodeName === 'image' &&
|
attr.localName === 'href' &&
|
saveOptions.images &&
|
saveOptions.images === 'embed'
|
) {
|
const img = encodableImages[attrVal];
|
if (img) { attrVal = img; }
|
}
|
|
// map various namespaces to our fixed namespace prefixes
|
// (the default xmlns attribute itself does not get a prefix)
|
if (!attr.namespaceURI || attr.namespaceURI === NS.SVG || nsMap[attr.namespaceURI]) {
|
out.push(attr.nodeName); out.push('="');
|
out.push(attrVal); out.push('"');
|
}
|
}
|
}
|
}
|
|
if (elem.hasChildNodes()) {
|
out.push('>');
|
indent++;
|
let bOneLine = false;
|
|
for (i = 0; i < childs.length; i++) {
|
const child = childs.item(i);
|
switch (child.nodeType) {
|
case 1: // element node
|
out.push('\n');
|
out.push(this.svgToString(childs.item(i), indent));
|
break;
|
case 3: // text node
|
const str = child.nodeValue.replace(/^\s+|\s+$/g, '');
|
if (str !== '') {
|
bOneLine = true;
|
out.push(String(toXml(str)));
|
}
|
break;
|
case 4: // cdata node
|
out.push('\n');
|
out.push(new Array(indent + 1).join(' '));
|
out.push('<![CDATA[');
|
out.push(child.nodeValue);
|
out.push(']]>');
|
break;
|
case 8: // comment
|
out.push('\n');
|
out.push(new Array(indent + 1).join(' '));
|
out.push('<!--');
|
out.push(child.data);
|
out.push('-->');
|
break;
|
} // switch on node type
|
}
|
indent--;
|
if (!bOneLine) {
|
out.push('\n');
|
for (i = 0; i < indent; i++) { out.push(' '); }
|
}
|
out.push('</'); out.push(elem.nodeName); out.push('>');
|
} else {
|
out.push('/>');
|
}
|
}
|
return out.join('');
|
}; // end svgToString()
|
|
/**
|
* Function to run when image data is found
|
* @callback module:svgcanvas.ImageEmbeddedCallback
|
* @param {string|false} result Data URL
|
* @returns {undefined}
|
*/
|
/**
|
* Converts a given image file to a data URL when possible, then runs a given callback.
|
* @function module:svgcanvas.SvgCanvas#embedImage
|
* @param {string} src - The path/URL of the image
|
* @param {module:svgcanvas.ImageEmbeddedCallback} [callback] - Function to run when image data is found
|
* @returns {Promise} Resolves to Data URL (string|false)
|
*/
|
this.embedImage = function (src, callback) {
|
return new Promise(function (resolve, reject) {
|
// load in the image and once it's loaded, get the dimensions
|
$(new Image()).load(function (response, status, xhr) {
|
if (status === 'error') {
|
reject(new Error('Error loading image: ' + xhr.status + ' ' + xhr.statusText));
|
return;
|
}
|
// create a canvas the same size as the raster image
|
const cvs = document.createElement('canvas');
|
cvs.width = this.width;
|
cvs.height = this.height;
|
// load the raster image into the canvas
|
cvs.getContext('2d').drawImage(this, 0, 0);
|
// retrieve the data: URL
|
try {
|
let urldata = ';svgedit_url=' + encodeURIComponent(src);
|
urldata = cvs.toDataURL().replace(';base64', urldata + ';base64');
|
encodableImages[src] = urldata;
|
} catch (e) {
|
encodableImages[src] = false;
|
}
|
lastGoodImgUrl = src;
|
if (callback) { callback(encodableImages[src]); }
|
resolve(encodableImages[src]);
|
}).attr('src', src);
|
});
|
};
|
|
/**
|
* Sets a given URL to be a "last good image" URL.
|
* @function module:svgcanvas.SvgCanvas#setGoodImage
|
* @param {string} val
|
* @returns {undefined}
|
*/
|
this.setGoodImage = function (val) {
|
lastGoodImgUrl = val;
|
};
|
|
/**
|
* Does nothing by default, handled by optional widget/extension.
|
* @function module:svgcanvas.SvgCanvas#open
|
* @returns {undefined}
|
*/
|
this.open = function () {
|
};
|
|
/**
|
* Serializes the current drawing into SVG XML text and passes it to the 'saved' handler.
|
* This function also includes the XML prolog. Clients of the `SvgCanvas` bind their save
|
* function to the 'saved' event.
|
* @function module:svgcanvas.SvgCanvas#save
|
* @param {module:svgcanvas.SaveOptions} opts
|
* @fires module:svgcanvas.SvgCanvas#event:saved
|
* @returns {undefined}
|
*/
|
this.save = function (opts) {
|
// remove the selected outline before serializing
|
clearSelection();
|
// Update save options if provided
|
if (opts) { $.extend(saveOptions, opts); }
|
saveOptions.apply = true;
|
|
// no need for doctype, see https://jwatt.org/svg/authoring/#doctype-declaration
|
const str = this.svgCanvasToString();
|
call('saved', str);
|
};
|
|
/**
|
* @typedef {GenericObject} module:svgcanvas.IssuesAndCodes
|
* @property {string[]} issueCodes The locale-independent code names
|
* @property {string[]} issues The localized descriptions
|
*/
|
|
/**
|
* Codes only is useful for locale-independent detection.
|
* @returns {module:svgcanvas.IssuesAndCodes}
|
*/
|
function getIssues () {
|
// remove the selected outline before serializing
|
clearSelection();
|
|
// Check for known CanVG issues
|
const issues = [];
|
const issueCodes = [];
|
|
// Selector and notice
|
const issueList = {
|
feGaussianBlur: uiStrings.exportNoBlur,
|
foreignObject: uiStrings.exportNoforeignObject,
|
'[stroke-dasharray]': uiStrings.exportNoDashArray
|
};
|
const content = $(svgcontent);
|
|
// Add font/text check if Canvas Text API is not implemented
|
if (!('font' in $('<canvas>')[0].getContext('2d'))) {
|
issueList.text = uiStrings.exportNoText;
|
}
|
|
$.each(issueList, function (sel, descr) {
|
if (content.find(sel).length) {
|
issueCodes.push(sel);
|
issues.push(descr);
|
}
|
});
|
return {issues, issueCodes};
|
}
|
|
let canvg;
|
/**
|
* @typedef {"feGaussianBlur"|"foreignObject"|"[stroke-dasharray]"|"text"} module:svgcanvas.IssueCode
|
*/
|
/**
|
* @typedef {PlainObject} module:svgcanvas.ImageExportedResults
|
* @property {string} datauri Contents as a Data URL
|
* @property {string} bloburl May be the empty string
|
* @property {string} svg The SVG contents as a string
|
* @property {string[]} issues The localization messages of `issueCodes`
|
* @property {module:svgcanvas.IssueCode[]} issueCodes CanVG issues found with the SVG
|
* @property {"PNG"|"JPEG"|"BMP"|"WEBP"|"ICO"} type The chosen image type
|
* @property {"image/png"|"image/jpeg"|"image/bmp"|"image/webp"} mimeType The image MIME type
|
* @property {Float} quality A decimal between 0 and 1 (for use with JPEG or WEBP)
|
* @property {string} exportWindowName A convenience for passing along a `window.name` to target a window on which the export could be added
|
*/
|
|
/**
|
* Function to run when image data is found
|
* @callback module:svgcanvas.ImageExportedCallback
|
* @param {module:svgcanvas.ImageExportedResults} obj
|
* @returns {undefined}
|
*/
|
/**
|
* Generates a PNG (or JPG, BMP, WEBP) Data URL based on the current image,
|
* then calls "exported" with an object including the string, image
|
* information, and any issues found.
|
* @function module:svgcanvas.SvgCanvas#rasterExport
|
* @param {"PNG"|"JPEG"|"BMP"|"WEBP"|"ICO"} [imgType="PNG"]
|
* @param {Float} [quality] Between 0 and 1
|
* @param {string} [exportWindowName]
|
* @param {module:svgcanvas.ImageExportedCallback} [cb]
|
* @param {PlainObject} [opts]
|
* @param {boolean} [opts.avoidEvent]
|
* @fires module:svgcanvas.SvgCanvas#event:exported
|
* @todo Confirm/fix ICO type
|
* @returns {Promise} Resolves to {@link module:svgcanvas.ImageExportedResults}
|
*/
|
this.rasterExport = function (imgType, quality, exportWindowName, cb, opts = {}) {
|
const type = imgType === 'ICO' ? 'BMP' : (imgType || 'PNG');
|
const mimeType = 'image/' + type.toLowerCase();
|
const {issues, issueCodes} = getIssues();
|
const svg = this.svgCanvasToString();
|
|
return new Promise(async (resolve, reject) => {
|
if (!canvg) {
|
({canvg} = await importSetGlobal(curConfig.canvgPath + 'canvg.js', {
|
global: 'canvg'
|
}));
|
}
|
if (!$('#export_canvas').length) {
|
$('<canvas>', {id: 'export_canvas'}).hide().appendTo('body');
|
}
|
const c = $('#export_canvas')[0];
|
c.width = canvas.contentW;
|
c.height = canvas.contentH;
|
|
await canvg(c, svg);
|
const dataURLType = type.toLowerCase();
|
const datauri = quality
|
? c.toDataURL('image/' + dataURLType, quality)
|
: c.toDataURL('image/' + dataURLType);
|
let bloburl;
|
function done () {
|
const obj = {
|
datauri, bloburl, svg, issues, issueCodes, type: imgType,
|
mimeType, quality, exportWindowName
|
};
|
if (!opts.avoidEvent) {
|
call('exported', obj);
|
}
|
if (cb) {
|
cb(obj);
|
}
|
resolve(obj);
|
}
|
if (c.toBlob) {
|
c.toBlob((blob) => {
|
bloburl = createObjectURL(blob);
|
done();
|
}, mimeType, quality);
|
return;
|
}
|
bloburl = dataURLToObjectURL(datauri);
|
done();
|
});
|
};
|
/**
|
* @external jsPDF
|
*/
|
/**
|
* @typedef {undefined|"save"|"arraybuffer"|"blob"|"datauristring"|"dataurlstring"|"dataurlnewwindow"|"datauri"|"dataurl"} external:jsPDF.OutputType
|
* @todo Newer version to add also allows these `outputType` values "bloburi"|"bloburl" which return strings, so document here and for `outputType` of `module:svgcanvas.PDFExportedResults` below if added
|
*/
|
/**
|
* @typedef {PlainObject} module:svgcanvas.PDFExportedResults
|
* @property {string} svg The SVG PDF output
|
* @property {string|ArrayBuffer|Blob|window} output The output based on the `outputType`;
|
* if `undefined`, "datauristring", "dataurlstring", "datauri",
|
* or "dataurl", will be a string (`undefined` gives a document, while the others
|
* build as Data URLs; "datauri" and "dataurl" change the location of the current page); if
|
* "arraybuffer", will return `ArrayBuffer`; if "blob", returns a `Blob`;
|
* if "dataurlnewwindow", will change the current page's location and return a string
|
* if in Safari and no window object is found; otherwise opens in, and returns, a new `window`
|
* object; if "save", will have the same return as "dataurlnewwindow" if
|
* `navigator.getUserMedia` support is found without `URL.createObjectURL` support; otherwise
|
* returns `undefined` but attempts to save
|
* @property {external:jsPDF.OutputType} outputType
|
* @property {string[]} issues The human-readable localization messages of corresponding `issueCodes`
|
* @property {module:svgcanvas.IssueCode[]} issueCodes
|
* @property {string} exportWindowName
|
*/
|
|
/**
|
* Function to run when PDF data is found
|
* @callback module:svgcanvas.PDFExportedCallback
|
* @param {module:svgcanvas.PDFExportedResults} obj
|
* @returns {undefined}
|
*/
|
/**
|
* Generates a PDF based on the current image, then calls "exportedPDF" with
|
* an object including the string, the data URL, and any issues found.
|
* @function module:svgcanvas.SvgCanvas#exportPDF
|
* @param {string} [exportWindowName] Will also be used for the download file name here
|
* @param {external:jsPDF.OutputType} [outputType="dataurlstring"]
|
* @param {module:svgcanvas.PDFExportedCallback} [cb]
|
* @fires module:svgcanvas.SvgCanvas#event:exportedPDF
|
* @returns {Promise} Resolves to {@link module:svgcanvas.PDFExportedResults}
|
*/
|
this.exportPDF = function (
|
exportWindowName,
|
outputType = isChrome() ? 'save' : undefined,
|
cb
|
) {
|
const that = this;
|
return new Promise(async (resolve, reject) => {
|
if (!window.jsPDF) {
|
// Todo: Switch to `import()` when widely supported and available (also allow customization of path)
|
await importScript([
|
// We do not currently have these paths configurable as they are
|
// currently global-only, so not Rolled-up
|
'jspdf/underscore-min.js',
|
'jspdf/jspdf.min.js'
|
]);
|
|
const modularVersion = !('svgEditor' in window) ||
|
!window.svgEditor ||
|
window.svgEditor.modules !== false;
|
// Todo: Switch to `import()` when widely supported and available (also allow customization of path)
|
await importScript(curConfig.jspdfPath + 'jspdf.plugin.svgToPdf.js', {
|
type: modularVersion
|
? 'module'
|
: 'text/javascript'
|
});
|
// await importModule('jspdf/jspdf.plugin.svgToPdf.js');
|
}
|
|
const res = getResolution();
|
const orientation = res.w > res.h ? 'landscape' : 'portrait';
|
const unit = 'pt'; // curConfig.baseUnit; // We could use baseUnit, but that is presumably not intended for export purposes
|
|
// Todo: Give options to use predefined jsPDF formats like "a4", etc. from pull-down (with option to keep customizable)
|
const doc = jsPDF({
|
orientation,
|
unit,
|
format: [res.w, res.h]
|
// , compressPdf: true
|
});
|
const docTitle = getDocumentTitle();
|
doc.setProperties({
|
title: docTitle /* ,
|
subject: '',
|
author: '',
|
keywords: '',
|
creator: '' */
|
});
|
const {issues, issueCodes} = getIssues();
|
const svg = that.svgCanvasToString();
|
doc.addSVG(svg, 0, 0);
|
|
// doc.output('save'); // Works to open in a new
|
// window; todo: configure this and other export
|
// options to optionally work in this manner as
|
// opposed to opening a new tab
|
outputType = outputType || 'dataurlstring';
|
const obj = {svg, issues, issueCodes, exportWindowName, outputType};
|
obj.output = doc.output(outputType, outputType === 'save' ? (exportWindowName || 'svg.pdf') : undefined);
|
if (cb) {
|
cb(obj);
|
}
|
resolve(obj);
|
call('exportedPDF', obj);
|
});
|
};
|
|
/**
|
* Returns the current drawing as raw SVG XML text.
|
* @function module:svgcanvas.SvgCanvas#getSvgString
|
* @returns {string} The current drawing as raw SVG XML text.
|
*/
|
this.getSvgString = function () {
|
saveOptions.apply = false;
|
return this.svgCanvasToString();
|
};
|
|
/**
|
* This function determines whether to use a nonce in the prefix, when
|
* generating IDs for future documents in SVG-Edit.
|
* If you're controlling SVG-Edit externally, and want randomized IDs, call
|
* this BEFORE calling `svgCanvas.setSvgString`.
|
* @function module:svgcanvas.SvgCanvas#randomizeIds
|
* @param {boolean} [enableRandomization] If true, adds a nonce to the prefix. Thus
|
* `svgCanvas.randomizeIds() <==> svgCanvas.randomizeIds(true)`
|
* @returns {undefined}
|
*/
|
this.randomizeIds = function (enableRandomization) {
|
if (arguments.length > 0 && enableRandomization === false) {
|
draw.randomizeIds(false, getCurrentDrawing());
|
} else {
|
draw.randomizeIds(true, getCurrentDrawing());
|
}
|
};
|
|
/**
|
* Ensure each element has a unique ID.
|
* @function module:svgcanvas.SvgCanvas#uniquifyElems
|
* @param {Element} g - The parent element of the tree to give unique IDs
|
* @returns {undefined}
|
*/
|
const uniquifyElems = this.uniquifyElems = function (g) {
|
const ids = {};
|
// TODO: Handle markers and connectors. These are not yet re-identified properly
|
// as their referring elements do not get remapped.
|
//
|
// <marker id='se_marker_end_svg_7'/>
|
// <polyline id='svg_7' se:connector='svg_1 svg_6' marker-end='url(#se_marker_end_svg_7)'/>
|
//
|
// Problem #1: if svg_1 gets renamed, we do not update the polyline's se:connector attribute
|
// Problem #2: if the polyline svg_7 gets renamed, we do not update the marker id nor the polyline's marker-end attribute
|
const refElems = ['filter', 'linearGradient', 'pattern', 'radialGradient', 'symbol', 'textPath', 'use'];
|
|
walkTree(g, function (n) {
|
// if it's an element node
|
if (n.nodeType === 1) {
|
// and the element has an ID
|
if (n.id) {
|
// and we haven't tracked this ID yet
|
if (!(n.id in ids)) {
|
// add this id to our map
|
ids[n.id] = {elem: null, attrs: [], hrefs: []};
|
}
|
ids[n.id].elem = n;
|
}
|
|
// now search for all attributes on this element that might refer
|
// to other elements
|
$.each(refAttrs, function (i, attr) {
|
const attrnode = n.getAttributeNode(attr);
|
if (attrnode) {
|
// the incoming file has been sanitized, so we should be able to safely just strip off the leading #
|
const url = getUrlFromAttr(attrnode.value),
|
refid = url ? url.substr(1) : null;
|
if (refid) {
|
if (!(refid in ids)) {
|
// add this id to our map
|
ids[refid] = {elem: null, attrs: [], hrefs: []};
|
}
|
ids[refid].attrs.push(attrnode);
|
}
|
}
|
});
|
|
// check xlink:href now
|
const href = getHref(n);
|
// TODO: what if an <image> or <a> element refers to an element internally?
|
if (href && refElems.includes(n.nodeName)) {
|
const refid = href.substr(1);
|
if (refid) {
|
if (!(refid in ids)) {
|
// add this id to our map
|
ids[refid] = {elem: null, attrs: [], hrefs: []};
|
}
|
ids[refid].hrefs.push(n);
|
}
|
}
|
}
|
});
|
|
// in ids, we now have a map of ids, elements and attributes, let's re-identify
|
for (const oldid in ids) {
|
if (!oldid) { continue; }
|
const {elem} = ids[oldid];
|
if (elem) {
|
const newid = getNextId();
|
|
// assign element its new id
|
elem.id = newid;
|
|
// remap all url() attributes
|
const {attrs} = ids[oldid];
|
let j = attrs.length;
|
while (j--) {
|
const attr = attrs[j];
|
attr.ownerElement.setAttribute(attr.name, 'url(#' + newid + ')');
|
}
|
|
// remap all href attributes
|
const hreffers = ids[oldid].hrefs;
|
let k = hreffers.length;
|
while (k--) {
|
const hreffer = hreffers[k];
|
setHref(hreffer, '#' + newid);
|
}
|
}
|
}
|
};
|
|
/**
|
* Assigns reference data for each use element.
|
* @function module:svgcanvas.SvgCanvas#setUseData
|
* @param {Element} parent
|
* @returns {undefined}
|
*/
|
const setUseData = this.setUseData = function (parent) {
|
let elems = $(parent);
|
|
if (parent.tagName !== 'use') {
|
elems = elems.find('use');
|
}
|
|
elems.each(function () {
|
const id = getHref(this).substr(1);
|
const refElem = getElem(id);
|
if (!refElem) { return; }
|
$(this).data('ref', refElem);
|
if (refElem.tagName === 'symbol' || refElem.tagName === 'svg') {
|
$(this).data('symbol', refElem).data('ref', refElem);
|
}
|
});
|
};
|
|
/**
|
* Converts gradients from userSpaceOnUse to objectBoundingBox.
|
* @function module:svgcanvas.SvgCanvas#convertGradients
|
* @param {Element} elem
|
* @returns {undefined}
|
*/
|
const convertGradients = this.convertGradients = function (elem) {
|
let elems = $(elem).find('linearGradient, radialGradient');
|
if (!elems.length && isWebkit()) {
|
// Bug in webkit prevents regular *Gradient selector search
|
elems = $(elem).find('*').filter(function () {
|
return (this.tagName.includes('Gradient'));
|
});
|
}
|
|
elems.each(function () {
|
const grad = this;
|
if ($(grad).attr('gradientUnits') === 'userSpaceOnUse') {
|
// TODO: Support more than one element with this ref by duplicating parent grad
|
const elems = $(svgcontent).find('[fill="url(#' + grad.id + ')"],[stroke="url(#' + grad.id + ')"]');
|
if (!elems.length) { return; }
|
|
// get object's bounding box
|
const bb = utilsGetBBox(elems[0]);
|
|
// This will occur if the element is inside a <defs> or a <symbol>,
|
// in which we shouldn't need to convert anyway.
|
if (!bb) { return; }
|
|
if (grad.tagName === 'linearGradient') {
|
const gCoords = $(grad).attr(['x1', 'y1', 'x2', 'y2']);
|
|
// If has transform, convert
|
const tlist = grad.gradientTransform.baseVal;
|
if (tlist && tlist.numberOfItems > 0) {
|
const m = transformListToTransform(tlist).matrix;
|
const pt1 = transformPoint(gCoords.x1, gCoords.y1, m);
|
const pt2 = transformPoint(gCoords.x2, gCoords.y2, m);
|
|
gCoords.x1 = pt1.x;
|
gCoords.y1 = pt1.y;
|
gCoords.x2 = pt2.x;
|
gCoords.y2 = pt2.y;
|
grad.removeAttribute('gradientTransform');
|
}
|
|
$(grad).attr({
|
x1: (gCoords.x1 - bb.x) / bb.width,
|
y1: (gCoords.y1 - bb.y) / bb.height,
|
x2: (gCoords.x2 - bb.x) / bb.width,
|
y2: (gCoords.y2 - bb.y) / bb.height
|
});
|
grad.removeAttribute('gradientUnits');
|
}
|
// else {
|
// Note: radialGradient elements cannot be easily converted
|
// because userSpaceOnUse will keep circular gradients, while
|
// objectBoundingBox will x/y scale the gradient according to
|
// its bbox.
|
//
|
// For now we'll do nothing, though we should probably have
|
// the gradient be updated as the element is moved, as
|
// inkscape/illustrator do.
|
//
|
// const gCoords = $(grad).attr(['cx', 'cy', 'r']);
|
//
|
// $(grad).attr({
|
// cx: (gCoords.cx - bb.x) / bb.width,
|
// cy: (gCoords.cy - bb.y) / bb.height,
|
// r: gCoords.r
|
// });
|
//
|
// grad.removeAttribute('gradientUnits');
|
// }
|
}
|
});
|
};
|
|
/**
|
* Converts selected/given `<use>` or child SVG element to a group.
|
* @function module:svgcanvas.SvgCanvas#convertToGroup
|
* @param {Element} elem
|
* @fires module:svgcanvas.SvgCanvas#event:selected
|
* @returns {undefined}
|
*/
|
const convertToGroup = this.convertToGroup = function (elem) {
|
if (!elem) {
|
elem = selectedElements[0];
|
}
|
const $elem = $(elem);
|
const batchCmd = new BatchCommand();
|
let ts;
|
|
if ($elem.data('gsvg')) {
|
// Use the gsvg as the new group
|
const svg = elem.firstChild;
|
const pt = $(svg).attr(['x', 'y']);
|
|
$(elem.firstChild.firstChild).unwrap();
|
$(elem).removeData('gsvg');
|
|
const tlist = getTransformList(elem);
|
const xform = svgroot.createSVGTransform();
|
xform.setTranslate(pt.x, pt.y);
|
tlist.appendItem(xform);
|
recalculateDimensions(elem);
|
call('selected', [elem]);
|
} else if ($elem.data('symbol')) {
|
elem = $elem.data('symbol');
|
|
ts = $elem.attr('transform');
|
const pos = $elem.attr(['x', 'y']);
|
|
const vb = elem.getAttribute('viewBox');
|
|
if (vb) {
|
const nums = vb.split(' ');
|
pos.x -= +nums[0];
|
pos.y -= +nums[1];
|
}
|
|
// Not ideal, but works
|
ts += ' translate(' + (pos.x || 0) + ',' + (pos.y || 0) + ')';
|
|
const prev = $elem.prev();
|
|
// Remove <use> element
|
batchCmd.addSubCommand(new RemoveElementCommand($elem[0], $elem[0].nextSibling, $elem[0].parentNode));
|
$elem.remove();
|
|
// See if other elements reference this symbol
|
const hasMore = $(svgcontent).find('use:data(symbol)').length;
|
|
const g = svgdoc.createElementNS(NS.SVG, 'g');
|
const childs = elem.childNodes;
|
|
let i;
|
for (i = 0; i < childs.length; i++) {
|
g.append(childs[i].cloneNode(true));
|
}
|
|
// Duplicate the gradients for Gecko, since they weren't included in the <symbol>
|
if (isGecko()) {
|
const dupeGrads = $(findDefs()).children('linearGradient,radialGradient,pattern').clone();
|
$(g).append(dupeGrads);
|
}
|
|
if (ts) {
|
g.setAttribute('transform', ts);
|
}
|
|
const parent = elem.parentNode;
|
|
uniquifyElems(g);
|
|
// Put the dupe gradients back into <defs> (after uniquifying them)
|
if (isGecko()) {
|
$(findDefs()).append($(g).find('linearGradient,radialGradient,pattern'));
|
}
|
|
// now give the g itself a new id
|
g.id = getNextId();
|
|
prev.after(g);
|
|
if (parent) {
|
if (!hasMore) {
|
// remove symbol/svg element
|
const {nextSibling} = elem;
|
elem.remove();
|
batchCmd.addSubCommand(new RemoveElementCommand(elem, nextSibling, parent));
|
}
|
batchCmd.addSubCommand(new InsertElementCommand(g));
|
}
|
|
setUseData(g);
|
|
if (isGecko()) {
|
convertGradients(findDefs());
|
} else {
|
convertGradients(g);
|
}
|
|
// recalculate dimensions on the top-level children so that unnecessary transforms
|
// are removed
|
walkTreePost(g, function (n) {
|
try {
|
recalculateDimensions(n);
|
} catch (e) {
|
console.log(e);
|
}
|
});
|
|
// Give ID for any visible element missing one
|
$(g).find(visElems).each(function () {
|
if (!this.id) { this.id = getNextId(); }
|
});
|
|
selectOnly([g]);
|
|
const cm = pushGroupProperties(g, true);
|
if (cm) {
|
batchCmd.addSubCommand(cm);
|
}
|
|
addCommandToHistory(batchCmd);
|
} else {
|
console.log('Unexpected element to ungroup:', elem);
|
}
|
};
|
|
/**
|
* This function sets the current drawing as the input SVG XML.
|
* @function module:svgcanvas.SvgCanvas#setSvgString
|
* @param {string} xmlString - The SVG as XML text.
|
* @param {boolean} [preventUndo=false] - Indicates if we want to do the
|
* changes without adding them to the undo stack - e.g. for initializing a
|
* drawing on page load.
|
* @fires module:svgcanvas.SvgCanvas#event:setnonce
|
* @fires module:svgcanvas.SvgCanvas#event:unsetnonce
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
* @returns {boolean} This function returns `false` if the set was
|
* unsuccessful, `true` otherwise.
|
*/
|
this.setSvgString = function (xmlString, preventUndo) {
|
try {
|
// convert string into XML document
|
const newDoc = text2xml(xmlString);
|
if (newDoc.firstElementChild &&
|
newDoc.firstElementChild.namespaceURI !== NS.SVG) {
|
return false;
|
}
|
|
this.prepareSvg(newDoc);
|
|
const batchCmd = new BatchCommand('Change Source');
|
|
// remove old svg document
|
const {nextSibling} = svgcontent;
|
const oldzoom = svgroot.removeChild(svgcontent);
|
batchCmd.addSubCommand(new RemoveElementCommand(oldzoom, nextSibling, svgroot));
|
|
// set new svg document
|
// If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()
|
if (svgdoc.adoptNode) {
|
svgcontent = svgdoc.adoptNode(newDoc.documentElement);
|
} else {
|
svgcontent = svgdoc.importNode(newDoc.documentElement, true);
|
}
|
|
svgroot.append(svgcontent);
|
const content = $(svgcontent);
|
|
canvas.current_drawing_ = new draw.Drawing(svgcontent, idprefix);
|
|
// retrieve or set the nonce
|
const nonce = getCurrentDrawing().getNonce();
|
if (nonce) {
|
call('setnonce', nonce);
|
} else {
|
call('unsetnonce');
|
}
|
|
// change image href vals if possible
|
content.find('image').each(function () {
|
const image = this;
|
preventClickDefault(image);
|
const val = getHref(this);
|
if (val) {
|
if (val.startsWith('data:')) {
|
// Check if an SVG-edit data URI
|
const m = val.match(/svgedit_url=(.*?);/);
|
if (m) {
|
const url = decodeURIComponent(m[1]);
|
$(new Image()).load(function () {
|
image.setAttributeNS(NS.XLINK, 'xlink:href', url);
|
}).attr('src', url);
|
}
|
}
|
// Add to encodableImages if it loads
|
canvas.embedImage(val);
|
}
|
});
|
|
// Wrap child SVGs in group elements
|
content.find('svg').each(function () {
|
// Skip if it's in a <defs>
|
if ($(this).closest('defs').length) { return; }
|
|
uniquifyElems(this);
|
|
// Check if it already has a gsvg group
|
const pa = this.parentNode;
|
if (pa.childNodes.length === 1 && pa.nodeName === 'g') {
|
$(pa).data('gsvg', this);
|
pa.id = pa.id || getNextId();
|
} else {
|
groupSvgElem(this);
|
}
|
});
|
|
// For Firefox: Put all paint elems in defs
|
if (isGecko()) {
|
content.find('linearGradient, radialGradient, pattern').appendTo(findDefs());
|
}
|
|
// Set ref element for <use> elements
|
|
// TODO: This should also be done if the object is re-added through "redo"
|
setUseData(content);
|
|
convertGradients(content[0]);
|
|
const attrs = {
|
id: 'svgcontent',
|
overflow: curConfig.show_outside_canvas ? 'visible' : 'hidden'
|
};
|
|
let percs = false;
|
|
// determine proper size
|
if (content.attr('viewBox')) {
|
const vb = content.attr('viewBox').split(' ');
|
attrs.width = vb[2];
|
attrs.height = vb[3];
|
// handle content that doesn't have a viewBox
|
} else {
|
$.each(['width', 'height'], function (i, dim) {
|
// Set to 100 if not given
|
const val = content.attr(dim) || '100%';
|
|
if (String(val).substr(-1) === '%') {
|
// Use user units if percentage given
|
percs = true;
|
} else {
|
attrs[dim] = convertToNum(dim, val);
|
}
|
});
|
}
|
|
// identify layers
|
draw.identifyLayers();
|
|
// Give ID for any visible layer children missing one
|
content.children().find(visElems).each(function () {
|
if (!this.id) { this.id = getNextId(); }
|
});
|
|
// Percentage width/height, so let's base it on visible elements
|
if (percs) {
|
const bb = getStrokedBBoxDefaultVisible();
|
attrs.width = bb.width + bb.x;
|
attrs.height = bb.height + bb.y;
|
}
|
|
// Just in case negative numbers are given or
|
// result from the percs calculation
|
if (attrs.width <= 0) { attrs.width = 100; }
|
if (attrs.height <= 0) { attrs.height = 100; }
|
|
content.attr(attrs);
|
this.contentW = attrs.width;
|
this.contentH = attrs.height;
|
|
batchCmd.addSubCommand(new InsertElementCommand(svgcontent));
|
// update root to the correct size
|
const changes = content.attr(['width', 'height']);
|
batchCmd.addSubCommand(new ChangeElementCommand(svgroot, changes));
|
|
// reset zoom
|
currentZoom = 1;
|
|
// reset transform lists
|
resetListMap();
|
clearSelection();
|
pathModule.clearData();
|
svgroot.append(selectorManager.selectorParentGroup);
|
|
if (!preventUndo) addCommandToHistory(batchCmd);
|
call('changed', [svgcontent]);
|
} catch (e) {
|
console.log(e);
|
return false;
|
}
|
|
return true;
|
};
|
|
/**
|
* This function imports the input SVG XML as a `<symbol>` in the `<defs>`, then adds a
|
* `<use>` to the current layer.
|
* @function module:svgcanvas.SvgCanvas#importSvgString
|
* @param {string} xmlString - The SVG as XML text.
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
* @returns {null|Element} This function returns null if the import was unsuccessful, or the element otherwise.
|
* @todo
|
* - properly handle if namespace is introduced by imported content (must add to svgcontent
|
* and update all prefixes in the imported node)
|
* - properly handle recalculating dimensions, `recalculateDimensions()` doesn't handle
|
* arbitrary transform lists, but makes some assumptions about how the transform list
|
* was obtained
|
*/
|
this.importSvgString = function (xmlString) {
|
let j, ts, useEl;
|
try {
|
// Get unique ID
|
const uid = encode64(xmlString.length + xmlString).substr(0, 32);
|
|
let useExisting = false;
|
// Look for symbol and make sure symbol exists in image
|
if (importIds[uid]) {
|
if ($(importIds[uid].symbol).parents('#svgroot').length) {
|
useExisting = true;
|
}
|
}
|
|
const batchCmd = new BatchCommand('Import Image');
|
let symbol;
|
if (useExisting) {
|
({symbol} = importIds[uid]);
|
ts = importIds[uid].xform;
|
} else {
|
// convert string into XML document
|
const newDoc = text2xml(xmlString);
|
|
this.prepareSvg(newDoc);
|
|
// import new svg document into our document
|
let svg;
|
// If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()
|
if (svgdoc.adoptNode) {
|
svg = svgdoc.adoptNode(newDoc.documentElement);
|
} else {
|
svg = svgdoc.importNode(newDoc.documentElement, true);
|
}
|
|
uniquifyElems(svg);
|
|
const innerw = convertToNum('width', svg.getAttribute('width')),
|
innerh = convertToNum('height', svg.getAttribute('height')),
|
innervb = svg.getAttribute('viewBox'),
|
// if no explicit viewbox, create one out of the width and height
|
vb = innervb ? innervb.split(' ') : [0, 0, innerw, innerh];
|
for (j = 0; j < 4; ++j) {
|
vb[j] = +(vb[j]);
|
}
|
|
// TODO: properly handle preserveAspectRatio
|
const // canvasw = +svgcontent.getAttribute('width'),
|
canvash = +svgcontent.getAttribute('height');
|
// imported content should be 1/3 of the canvas on its largest dimension
|
|
if (innerh > innerw) {
|
ts = 'scale(' + (canvash / 3) / vb[3] + ')';
|
} else {
|
ts = 'scale(' + (canvash / 3) / vb[2] + ')';
|
}
|
|
// Hack to make recalculateDimensions understand how to scale
|
ts = 'translate(0) ' + ts + ' translate(0)';
|
|
symbol = svgdoc.createElementNS(NS.SVG, 'symbol');
|
const defs = findDefs();
|
|
if (isGecko()) {
|
// Move all gradients into root for Firefox, workaround for this bug:
|
// https://bugzilla.mozilla.org/show_bug.cgi?id=353575
|
// TODO: Make this properly undo-able.
|
$(svg).find('linearGradient, radialGradient, pattern').appendTo(defs);
|
}
|
|
while (svg.firstChild) {
|
const first = svg.firstChild;
|
symbol.append(first);
|
}
|
const attrs = svg.attributes;
|
for (let i = 0; i < attrs.length; i++) {
|
const attr = attrs[i];
|
symbol.setAttribute(attr.nodeName, attr.value);
|
}
|
symbol.id = getNextId();
|
|
// Store data
|
importIds[uid] = {
|
symbol,
|
xform: ts
|
};
|
|
findDefs().append(symbol);
|
batchCmd.addSubCommand(new InsertElementCommand(symbol));
|
}
|
|
useEl = svgdoc.createElementNS(NS.SVG, 'use');
|
useEl.id = getNextId();
|
setHref(useEl, '#' + symbol.id);
|
|
(currentGroup || getCurrentDrawing().getCurrentLayer()).append(useEl);
|
batchCmd.addSubCommand(new InsertElementCommand(useEl));
|
clearSelection();
|
|
useEl.setAttribute('transform', ts);
|
recalculateDimensions(useEl);
|
$(useEl).data('symbol', symbol).data('ref', symbol);
|
addToSelection([useEl]);
|
|
// TODO: Find way to add this in a recalculateDimensions-parsable way
|
// if (vb[0] !== 0 || vb[1] !== 0) {
|
// ts = 'translate(' + (-vb[0]) + ',' + (-vb[1]) + ') ' + ts;
|
// }
|
addCommandToHistory(batchCmd);
|
call('changed', [svgcontent]);
|
} catch (e) {
|
console.log(e);
|
return null;
|
}
|
|
// we want to return the element so we can automatically select it
|
return useEl;
|
};
|
|
// Could deprecate, but besides external uses, their usage makes clear that
|
// canvas is a dependency for all of these
|
[
|
'identifyLayers', 'createLayer', 'cloneLayer', 'deleteCurrentLayer',
|
'setCurrentLayer', 'renameCurrentLayer', 'setCurrentLayerPosition',
|
'setLayerVisibility', 'moveSelectedToLayer', 'mergeLayer', 'mergeAllLayers',
|
'leaveContext', 'setContext'
|
].forEach((prop) => {
|
canvas[prop] = draw[prop];
|
});
|
draw.init(
|
/**
|
* @implements {module:draw.DrawCanvasInit}
|
*/
|
{
|
pathActions,
|
getCurrentGroup () {
|
return currentGroup;
|
},
|
setCurrentGroup (cg) {
|
currentGroup = cg;
|
},
|
getSelectedElements,
|
getSVGContent,
|
undoMgr,
|
elData,
|
getCurrentDrawing,
|
clearSelection,
|
call,
|
addCommandToHistory,
|
/**
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
* @returns {undefined}
|
*/
|
changeSVGContent () {
|
call('changed', [svgcontent]);
|
}
|
}
|
);
|
|
/**
|
* Group: Document functions
|
*/
|
|
/**
|
* Clears the current document. This is not an undoable action.
|
* @function module:svgcanvas.SvgCanvas#clear
|
* @fires module:svgcanvas.SvgCanvas#event:cleared
|
* @returns {undefined}
|
*/
|
this.clear = function () {
|
pathActions.clear();
|
|
clearSelection();
|
|
// clear the svgcontent node
|
canvas.clearSvgContentElement();
|
|
// create new document
|
canvas.current_drawing_ = new draw.Drawing(svgcontent);
|
|
// create empty first layer
|
canvas.createLayer('Layer 1');
|
|
// clear the undo stack
|
canvas.undoMgr.resetUndoStack();
|
|
// reset the selector manager
|
selectorManager.initGroup();
|
|
// reset the rubber band box
|
rubberBox = selectorManager.getRubberBandBox();
|
|
call('cleared');
|
};
|
|
// Alias function
|
this.linkControlPoints = pathActions.linkControlPoints;
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getContentElem
|
* @returns {Element} The content DOM element
|
*/
|
this.getContentElem = function () { return svgcontent; };
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getRootElem
|
* @returns {SVGSVGElement} The root DOM element
|
*/
|
this.getRootElem = function () { return svgroot; };
|
|
/**
|
* @typedef {PlainObject} DimensionsAndZoom
|
* @property {Float} w Width
|
* @property {Float} h Height
|
* @property {Float} zoom Zoom
|
*/
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getResolution
|
* @returns {DimensionsAndZoom} The current dimensions and zoom level in an object
|
*/
|
const getResolution = this.getResolution = function () {
|
// const vb = svgcontent.getAttribute('viewBox').split(' ');
|
// return {w:vb[2], h:vb[3], zoom: currentZoom};
|
|
const w = svgcontent.getAttribute('width') / currentZoom;
|
const h = svgcontent.getAttribute('height') / currentZoom;
|
|
return {
|
w,
|
h,
|
zoom: currentZoom
|
};
|
};
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getSnapToGrid
|
* @returns {boolean} The current snap to grid setting
|
*/
|
this.getSnapToGrid = function () { return curConfig.gridSnapping; };
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getVersion
|
* @returns {string} A string which describes the revision number of SvgCanvas.
|
*/
|
this.getVersion = function () {
|
return 'svgcanvas.js ($Rev$)';
|
};
|
|
/**
|
* Update interface strings with given values.
|
* @function module:svgcanvas.SvgCanvas#setUiStrings
|
* @param {module:path.uiStrings} strs - Object with strings (see the [locales API]{@link module:locale.LocaleStrings} and the [tutorial]{@tutorial LocaleDocs})
|
* @returns {undefined}
|
*/
|
this.setUiStrings = function (strs) {
|
Object.assign(uiStrings, strs.notification);
|
pathModule.setUiStrings(strs);
|
};
|
|
/**
|
* Update configuration options with given values.
|
* @function module:svgcanvas.SvgCanvas#setConfig
|
* @param {module:SVGEditor.Config} opts - Object with options
|
* @returns {undefined}
|
*/
|
this.setConfig = function (opts) {
|
Object.assign(curConfig, opts);
|
};
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getTitle
|
* @param {Element} elem
|
* @returns {string|undefined} the current group/SVG's title contents
|
*/
|
this.getTitle = function (elem) {
|
elem = elem || selectedElements[0];
|
if (!elem) { return; }
|
elem = $(elem).data('gsvg') || $(elem).data('symbol') || elem;
|
const childs = elem.childNodes;
|
for (let i = 0; i < childs.length; i++) {
|
if (childs[i].nodeName === 'title') {
|
return childs[i].textContent;
|
}
|
}
|
return '';
|
};
|
|
/**
|
* Sets the group/SVG's title content.
|
* @function module:svgcanvas.SvgCanvas#setGroupTitle
|
* @param {string} val
|
* @todo Combine this with `setDocumentTitle`
|
* @returns {undefined}
|
*/
|
this.setGroupTitle = function (val) {
|
let elem = selectedElements[0];
|
elem = $(elem).data('gsvg') || elem;
|
|
const ts = $(elem).children('title');
|
|
const batchCmd = new BatchCommand('Set Label');
|
|
let title;
|
if (!val.length) {
|
// Remove title element
|
const tsNextSibling = ts.nextSibling;
|
batchCmd.addSubCommand(new RemoveElementCommand(ts[0], tsNextSibling, elem));
|
ts.remove();
|
} else if (ts.length) {
|
// Change title contents
|
title = ts[0];
|
batchCmd.addSubCommand(new ChangeElementCommand(title, {'#text': title.textContent}));
|
title.textContent = val;
|
} else {
|
// Add title element
|
title = svgdoc.createElementNS(NS.SVG, 'title');
|
title.textContent = val;
|
$(elem).prepend(title);
|
batchCmd.addSubCommand(new InsertElementCommand(title));
|
}
|
|
addCommandToHistory(batchCmd);
|
};
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getDocumentTitle
|
* @returns {string|undefined} The current document title or an empty string if not found
|
*/
|
const getDocumentTitle = this.getDocumentTitle = function () {
|
return canvas.getTitle(svgcontent);
|
};
|
|
/**
|
* Adds/updates a title element for the document with the given name.
|
* This is an undoable action.
|
* @function module:svgcanvas.SvgCanvas#setDocumentTitle
|
* @param {string} newTitle - String with the new title
|
* @returns {undefined}
|
*/
|
this.setDocumentTitle = function (newTitle) {
|
const childs = svgcontent.childNodes;
|
let docTitle = false, oldTitle = '';
|
|
const batchCmd = new BatchCommand('Change Image Title');
|
|
for (let i = 0; i < childs.length; i++) {
|
if (childs[i].nodeName === 'title') {
|
docTitle = childs[i];
|
oldTitle = docTitle.textContent;
|
break;
|
}
|
}
|
if (!docTitle) {
|
docTitle = svgdoc.createElementNS(NS.SVG, 'title');
|
svgcontent.insertBefore(docTitle, svgcontent.firstChild);
|
// svgcontent.firstChild.before(docTitle); // Ok to replace above with this?
|
}
|
|
if (newTitle.length) {
|
docTitle.textContent = newTitle;
|
} else {
|
// No title given, so element is not necessary
|
docTitle.remove();
|
}
|
batchCmd.addSubCommand(new ChangeElementCommand(docTitle, {'#text': oldTitle}));
|
addCommandToHistory(batchCmd);
|
};
|
|
/**
|
* Returns the editor's namespace URL, optionally adding it to the root element.
|
* @function module:svgcanvas.SvgCanvas#getEditorNS
|
* @param {boolean} [add] - Indicates whether or not to add the namespace value
|
* @returns {string} The editor's namespace URL
|
*/
|
this.getEditorNS = function (add) {
|
if (add) {
|
svgcontent.setAttribute('xmlns:se', NS.SE);
|
}
|
return NS.SE;
|
};
|
|
/**
|
* Changes the document's dimensions to the given size.
|
* @function module:svgcanvas.SvgCanvas#setResolution
|
* @param {Float|"fit"} x - Number with the width of the new dimensions in user units.
|
* Can also be the string "fit" to indicate "fit to content".
|
* @param {Float} y - Number with the height of the new dimensions in user units.
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
* @returns {boolean} Indicates if resolution change was successful.
|
* It will fail on "fit to content" option with no content to fit to.
|
*/
|
this.setResolution = function (x, y) {
|
const res = getResolution();
|
const {w, h} = res;
|
let batchCmd;
|
|
if (x === 'fit') {
|
// Get bounding box
|
const bbox = getStrokedBBoxDefaultVisible();
|
|
if (bbox) {
|
batchCmd = new BatchCommand('Fit Canvas to Content');
|
const visEls = getVisibleElements();
|
addToSelection(visEls);
|
const dx = [], dy = [];
|
$.each(visEls, function (i, item) {
|
dx.push(bbox.x * -1);
|
dy.push(bbox.y * -1);
|
});
|
|
const cmd = canvas.moveSelectedElements(dx, dy, true);
|
batchCmd.addSubCommand(cmd);
|
clearSelection();
|
|
x = Math.round(bbox.width);
|
y = Math.round(bbox.height);
|
} else {
|
return false;
|
}
|
}
|
if (x !== w || y !== h) {
|
if (!batchCmd) {
|
batchCmd = new BatchCommand('Change Image Dimensions');
|
}
|
|
x = convertToNum('width', x);
|
y = convertToNum('height', y);
|
|
svgcontent.setAttribute('width', x);
|
svgcontent.setAttribute('height', y);
|
|
this.contentW = x;
|
this.contentH = y;
|
batchCmd.addSubCommand(new ChangeElementCommand(svgcontent, {width: w, height: h}));
|
|
svgcontent.setAttribute('viewBox', [0, 0, x / currentZoom, y / currentZoom].join(' '));
|
batchCmd.addSubCommand(new ChangeElementCommand(svgcontent, {viewBox: ['0 0', w, h].join(' ')}));
|
|
addCommandToHistory(batchCmd);
|
call('changed', [svgcontent]);
|
}
|
return true;
|
};
|
|
/**
|
* @typedef {module:jQueryAttr.Attributes} module:svgcanvas.ElementPositionInCanvas
|
* @property {Float} x
|
* @property {Float} y
|
*/
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getOffset
|
* @returns {module:svgcanvas.ElementPositionInCanvas} An object with `x`, `y` values indicating the svgcontent element's
|
* position in the editor's canvas.
|
*/
|
this.getOffset = function () {
|
return $(svgcontent).attr(['x', 'y']);
|
};
|
|
/**
|
* @typedef {PlainObject} module:svgcanvas.ZoomAndBBox
|
* @property {Float} zoom
|
* @property {module:utilities.BBoxObject} bbox
|
*/
|
/**
|
* Sets the zoom level on the canvas-side based on the given value.
|
* @function module:svgcanvas.SvgCanvas#setBBoxZoom
|
* @param {"selection"|"canvas"|"content"|"layer"|module:SVGEditor.BBoxObjectWithFactor} val - Bounding box object to zoom to or string indicating zoom option. Note: the object value type is defined in `svg-editor.js`
|
* @param {Integer} editorW - The editor's workarea box's width
|
* @param {Integer} editorH - The editor's workarea box's height
|
* @returns {module:svgcanvas.ZoomAndBBox|undefined}
|
*/
|
this.setBBoxZoom = function (val, editorW, editorH) {
|
let spacer = 0.85;
|
let bb;
|
const calcZoom = function (bb) {
|
if (!bb) { return false; }
|
const wZoom = Math.round((editorW / bb.width) * 100 * spacer) / 100;
|
const hZoom = Math.round((editorH / bb.height) * 100 * spacer) / 100;
|
const zoom = Math.min(wZoom, hZoom);
|
canvas.setZoom(zoom);
|
return {zoom, bbox: bb};
|
};
|
|
if (typeof val === 'object') {
|
bb = val;
|
if (bb.width === 0 || bb.height === 0) {
|
const newzoom = bb.zoom ? bb.zoom : currentZoom * bb.factor;
|
canvas.setZoom(newzoom);
|
return {zoom: currentZoom, bbox: bb};
|
}
|
return calcZoom(bb);
|
}
|
|
switch (val) {
|
case 'selection':
|
if (!selectedElements[0]) { return; }
|
const selectedElems = $.map(selectedElements, function (n) { if (n) { return n; } });
|
bb = getStrokedBBoxDefaultVisible(selectedElems);
|
break;
|
case 'canvas':
|
const res = getResolution();
|
spacer = 0.95;
|
bb = {width: res.w, height: res.h, x: 0, y: 0};
|
break;
|
case 'content':
|
bb = getStrokedBBoxDefaultVisible();
|
break;
|
case 'layer':
|
bb = getStrokedBBoxDefaultVisible(getVisibleElements(getCurrentDrawing().getCurrentLayer()));
|
break;
|
default:
|
return;
|
}
|
return calcZoom(bb);
|
};
|
|
/**
|
* The zoom level has changed. Supplies the new zoom level as a number (not percentage).
|
* @event module:svgcanvas.SvgCanvas#event:ext-zoomChanged
|
* @type {Float}
|
*/
|
/**
|
* The bottom panel was updated
|
* @event module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate
|
* @type {PlainObject}
|
* @property {boolean} nofill Indicates fill is disabled
|
* @property {boolean} nostroke Indicates stroke is disabled
|
*/
|
/**
|
* The element selection has changed (elements were added/removed from selection)
|
* @event module:svgcanvas.SvgCanvas#event:ext-selectedChanged
|
* @type {PlainObject}
|
* @property {Element[]} elems Array of the newly selected elements
|
* @property {Element|null} selectedElement The single selected element
|
* @property {boolean} multiselected Indicates whether one or more elements were selected
|
*/
|
/**
|
* Called when part of element is in process of changing, generally on
|
* mousemove actions like rotate, move, etc.
|
* @event module:svgcanvas.SvgCanvas#event:ext-elementTransition
|
* @type {PlainObject}
|
* @property {Element[]} elems Array of transitioning elements
|
*/
|
/**
|
* One or more elements were changed
|
* @event module:svgcanvas.SvgCanvas#event:ext-elementChanged
|
* @type {PlainObject}
|
* @property {Element[]} elems Array of the affected elements
|
*/
|
/**
|
* Invoked as soon as the locale is ready
|
* @event module:svgcanvas.SvgCanvas#event:ext-langReady
|
* @type {PlainObject}
|
* @property {string} lang The two-letter language code
|
* @property {module:SVGEditor.uiStrings} uiStrings
|
* @property {module:SVGEditor~ImportLocale} importLocale
|
*/
|
/**
|
* The language was changed. Two-letter code of the new language.
|
* @event module:svgcanvas.SvgCanvas#event:ext-langChanged
|
* @type {string}
|
*/
|
/**
|
* Means for an extension to add locale data. The two-letter language code.
|
* @event module:svgcanvas.SvgCanvas#event:ext-addLangData
|
* @type {PlainObject}
|
* @property {string} lang
|
* @property {module:SVGEditor~ImportLocale} importLocale
|
*/
|
/**
|
* Called when new image is created
|
* @event module:svgcanvas.SvgCanvas#event:ext-onNewDocument
|
* @type {undefined}
|
*/
|
/**
|
* Called when sidepanel is resized or toggled
|
* @event module:svgcanvas.SvgCanvas#event:ext-workareaResized
|
* @type {undefined}
|
*/
|
/**
|
* Called upon addition of the extension, or, if svgicons are set,
|
* after the icons are ready when extension SVG icons have loaded.
|
* @event module:svgcanvas.SvgCanvas#event:ext-callback
|
* @type {undefined}
|
*/
|
|
/**
|
* Sets the zoom to the given level.
|
* @function module:svgcanvas.SvgCanvas#setZoom
|
* @param {Float} zoomLevel - Float indicating the zoom level to change to
|
* @fires module:svgcanvas.SvgCanvas#event:ext-zoomChanged
|
* @returns {undefined}
|
*/
|
this.setZoom = function (zoomLevel) {
|
const res = getResolution();
|
svgcontent.setAttribute('viewBox', '0 0 ' + res.w / zoomLevel + ' ' + res.h / zoomLevel);
|
currentZoom = zoomLevel;
|
$.each(selectedElements, function (i, elem) {
|
if (!elem) { return; }
|
selectorManager.requestSelector(elem).resize();
|
});
|
pathActions.zoomChange();
|
runExtensions('zoomChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} */ zoomLevel);
|
};
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getMode
|
* @returns {string} The current editor mode string
|
*/
|
this.getMode = function () {
|
return currentMode;
|
};
|
|
/**
|
* Sets the editor's mode to the given string.
|
* @function module:svgcanvas.SvgCanvas#setMode
|
* @param {string} name - String with the new mode to change to
|
* @returns {undefined}
|
*/
|
this.setMode = function (name) {
|
pathActions.clear(true);
|
textActions.clear();
|
curProperties = (selectedElements[0] && selectedElements[0].nodeName === 'text') ? curText : curShape;
|
currentMode = name;
|
};
|
|
/**
|
* Group: Element Styling
|
*/
|
|
/**
|
* @typedef {PlainObject} module:svgcanvas.PaintOptions
|
* @property {"solidColor"} type
|
*/
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getColor
|
* @param {string} type
|
* @returns {string|module:svgcanvas.PaintOptions|Float|module:jGraduate~Paint} The current fill/stroke option
|
*/
|
this.getColor = function (type) {
|
return curProperties[type];
|
};
|
|
/**
|
* Change the current stroke/fill color/gradient value.
|
* @function module:svgcanvas.SvgCanvas#setColor
|
* @param {string} type - String indicating fill or stroke
|
* @param {string} val - The value to set the stroke attribute to
|
* @param {boolean} preventUndo - Boolean indicating whether or not this should be an undoable option
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
* @returns {undefined}
|
*/
|
this.setColor = function (type, val, preventUndo) {
|
curShape[type] = val;
|
curProperties[type + '_paint'] = {type: 'solidColor'};
|
const elems = [];
|
function addNonG (e) {
|
if (e.nodeName !== 'g') {
|
elems.push(e);
|
}
|
}
|
let i = selectedElements.length;
|
while (i--) {
|
const elem = selectedElements[i];
|
if (elem) {
|
if (elem.tagName === 'g') {
|
walkTree(elem, addNonG);
|
} else {
|
if (type === 'fill') {
|
if (elem.tagName !== 'polyline' && elem.tagName !== 'line') {
|
elems.push(elem);
|
}
|
} else {
|
elems.push(elem);
|
}
|
}
|
}
|
}
|
if (elems.length > 0) {
|
if (!preventUndo) {
|
changeSelectedAttribute(type, val, elems);
|
call('changed', elems);
|
} else {
|
changeSelectedAttributeNoUndo(type, val, elems);
|
}
|
}
|
};
|
|
/**
|
* Apply the current gradient to selected element's fill or stroke.
|
* @function module:svgcanvas.SvgCanvas#setGradient
|
* @param {"fill"|"stroke"} type - String indicating "fill" or "stroke" to apply to an element
|
* @returns {undefined}
|
*/
|
const setGradient = this.setGradient = function (type) {
|
if (!curProperties[type + '_paint'] || curProperties[type + '_paint'].type === 'solidColor') { return; }
|
let grad = canvas[type + 'Grad'];
|
// find out if there is a duplicate gradient already in the defs
|
const duplicateGrad = findDuplicateGradient(grad);
|
const defs = findDefs();
|
// no duplicate found, so import gradient into defs
|
if (!duplicateGrad) {
|
// const origGrad = grad;
|
grad = defs.appendChild(svgdoc.importNode(grad, true));
|
// get next id and set it on the grad
|
grad.id = getNextId();
|
} else { // use existing gradient
|
grad = duplicateGrad;
|
}
|
canvas.setColor(type, 'url(#' + grad.id + ')');
|
};
|
|
/**
|
* Check if exact gradient already exists.
|
* @function module:svgcanvas~findDuplicateGradient
|
* @param {SVGGradientElement} grad - The gradient DOM element to compare to others
|
* @returns {SVGGradientElement} The existing gradient if found, `null` if not
|
*/
|
const findDuplicateGradient = function (grad) {
|
const defs = findDefs();
|
const existingGrads = $(defs).find('linearGradient, radialGradient');
|
let i = existingGrads.length;
|
const radAttrs = ['r', 'cx', 'cy', 'fx', 'fy'];
|
while (i--) {
|
const og = existingGrads[i];
|
if (grad.tagName === 'linearGradient') {
|
if (grad.getAttribute('x1') !== og.getAttribute('x1') ||
|
grad.getAttribute('y1') !== og.getAttribute('y1') ||
|
grad.getAttribute('x2') !== og.getAttribute('x2') ||
|
grad.getAttribute('y2') !== og.getAttribute('y2')
|
) {
|
continue;
|
}
|
} else {
|
const gradAttrs = $(grad).attr(radAttrs);
|
const ogAttrs = $(og).attr(radAttrs);
|
|
let diff = false;
|
$.each(radAttrs, function (i, attr) {
|
if (gradAttrs[attr] !== ogAttrs[attr]) { diff = true; }
|
});
|
|
if (diff) { continue; }
|
}
|
|
// else could be a duplicate, iterate through stops
|
const stops = grad.getElementsByTagNameNS(NS.SVG, 'stop');
|
const ostops = og.getElementsByTagNameNS(NS.SVG, 'stop');
|
|
if (stops.length !== ostops.length) {
|
continue;
|
}
|
|
let j = stops.length;
|
while (j--) {
|
const stop = stops[j];
|
const ostop = ostops[j];
|
|
if (stop.getAttribute('offset') !== ostop.getAttribute('offset') ||
|
stop.getAttribute('stop-opacity') !== ostop.getAttribute('stop-opacity') ||
|
stop.getAttribute('stop-color') !== ostop.getAttribute('stop-color')) {
|
break;
|
}
|
}
|
|
if (j === -1) {
|
return og;
|
}
|
} // for each gradient in defs
|
|
return null;
|
};
|
|
/**
|
* Set a color/gradient to a fill/stroke.
|
* @function module:svgcanvas.SvgCanvas#setPaint
|
* @param {"fill"|"stroke"} type - String with "fill" or "stroke"
|
* @param {module:jGraduate.jGraduatePaintOptions} paint - The jGraduate paint object to apply
|
* @returns {undefined}
|
*/
|
this.setPaint = function (type, paint) {
|
// make a copy
|
const p = new $.jGraduate.Paint(paint);
|
this.setPaintOpacity(type, p.alpha / 100, true);
|
|
// now set the current paint object
|
curProperties[type + '_paint'] = p;
|
switch (p.type) {
|
case 'solidColor':
|
this.setColor(type, p.solidColor !== 'none' ? '#' + p.solidColor : 'none');
|
break;
|
case 'linearGradient':
|
case 'radialGradient':
|
canvas[type + 'Grad'] = p[p.type];
|
setGradient(type);
|
break;
|
}
|
};
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#setStrokePaint
|
* @param {module:jGraduate~Paint} paint
|
* @returns {undefined}
|
*/
|
this.setStrokePaint = function (paint) {
|
this.setPaint('stroke', paint);
|
};
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#setFillPaint
|
* @param {module:jGraduate~Paint} paint
|
* @returns {undefined}
|
*/
|
this.setFillPaint = function (paint) {
|
this.setPaint('fill', paint);
|
};
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getStrokeWidth
|
* @returns {Float|string} The current stroke-width value
|
*/
|
this.getStrokeWidth = function () {
|
return curProperties.stroke_width;
|
};
|
|
/**
|
* Sets the stroke width for the current selected elements.
|
* When attempting to set a line's width to 0, this changes it to 1 instead.
|
* @function module:svgcanvas.SvgCanvas#setStrokeWidth
|
* @param {Float} val - A Float indicating the new stroke width value
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
* @returns {undefined}
|
*/
|
this.setStrokeWidth = function (val) {
|
if (val === 0 && ['line', 'path'].includes(currentMode)) {
|
canvas.setStrokeWidth(1);
|
return;
|
}
|
curProperties.stroke_width = val;
|
|
const elems = [];
|
function addNonG (e) {
|
if (e.nodeName !== 'g') {
|
elems.push(e);
|
}
|
}
|
let i = selectedElements.length;
|
while (i--) {
|
const elem = selectedElements[i];
|
if (elem) {
|
if (elem.tagName === 'g') {
|
walkTree(elem, addNonG);
|
} else {
|
elems.push(elem);
|
}
|
}
|
}
|
if (elems.length > 0) {
|
changeSelectedAttribute('stroke-width', val, elems);
|
call('changed', selectedElements);
|
}
|
};
|
|
/**
|
* Set the given stroke-related attribute the given value for selected elements.
|
* @function module:svgcanvas.SvgCanvas#setStrokeAttr
|
* @param {string} attr - String with the attribute name
|
* @param {string|Float} val - String or number with the attribute value
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
* @returns {undefined}
|
*/
|
this.setStrokeAttr = function (attr, val) {
|
curShape[attr.replace('-', '_')] = val;
|
const elems = [];
|
|
let i = selectedElements.length;
|
while (i--) {
|
const elem = selectedElements[i];
|
if (elem) {
|
if (elem.tagName === 'g') {
|
walkTree(elem, function (e) { if (e.nodeName !== 'g') { elems.push(e); } });
|
} else {
|
elems.push(elem);
|
}
|
}
|
}
|
if (elems.length > 0) {
|
changeSelectedAttribute(attr, val, elems);
|
call('changed', selectedElements);
|
}
|
};
|
|
/**
|
* @typedef {PlainObject} module:svgcanvas.StyleOptions
|
* @property {string} fill
|
* @property {Float} fill_opacity
|
* @property {string} stroke
|
* @property {Float} stroke_width
|
* @property {string} stroke_dasharray
|
* @property {string} stroke_linejoin
|
* @property {string} stroke_linecap
|
* @property {Float} stroke_opacity
|
* @property {Float} opacity
|
*/
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getStyle
|
* @returns {module:svgcanvas.StyleOptions} current style options
|
*/
|
this.getStyle = function () {
|
return curShape;
|
};
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getOpacity
|
* @returns {Float} the current opacity
|
*/
|
this.getOpacity = getOpacity;
|
|
/**
|
* Sets the given opacity on the current selected elements.
|
* @function module:svgcanvas.SvgCanvas#setOpacity
|
* @param {string} val
|
* @returns {undefined}
|
*/
|
this.setOpacity = function (val) {
|
curShape.opacity = val;
|
changeSelectedAttribute('opacity', val);
|
};
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getFillOpacity
|
* @returns {Float} the current fill opacity
|
*/
|
this.getFillOpacity = function () {
|
return curShape.fill_opacity;
|
};
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getStrokeOpacity
|
* @returns {string} the current stroke opacity
|
*/
|
this.getStrokeOpacity = function () {
|
return curShape.stroke_opacity;
|
};
|
|
/**
|
* Sets the current fill/stroke opacity.
|
* @function module:svgcanvas.SvgCanvas#setPaintOpacity
|
* @param {string} type - String with "fill" or "stroke"
|
* @param {Float} val - Float with the new opacity value
|
* @param {boolean} preventUndo - Indicates whether or not this should be an undoable action
|
* @returns {undefined}
|
*/
|
this.setPaintOpacity = function (type, val, preventUndo) {
|
curShape[type + '_opacity'] = val;
|
if (!preventUndo) {
|
changeSelectedAttribute(type + '-opacity', val);
|
} else {
|
changeSelectedAttributeNoUndo(type + '-opacity', val);
|
}
|
};
|
|
/**
|
* Gets the current fill/stroke opacity.
|
* @function module:svgcanvas.SvgCanvas#getPaintOpacity
|
* @param {"fill"|"stroke"} type - String with "fill" or "stroke"
|
* @returns {Float} Fill/stroke opacity
|
*/
|
this.getPaintOpacity = function (type) {
|
return type === 'fill' ? this.getFillOpacity() : this.getStrokeOpacity();
|
};
|
|
/**
|
* Gets the `stdDeviation` blur value of the given element.
|
* @function module:svgcanvas.SvgCanvas#getBlur
|
* @param {Element} elem - The element to check the blur value for
|
* @returns {string} stdDeviation blur attribute value
|
*/
|
this.getBlur = function (elem) {
|
let val = 0;
|
// const elem = selectedElements[0];
|
|
if (elem) {
|
const filterUrl = elem.getAttribute('filter');
|
if (filterUrl) {
|
const blur = getElem(elem.id + '_blur');
|
if (blur) {
|
val = blur.firstChild.getAttribute('stdDeviation');
|
}
|
}
|
}
|
return val;
|
};
|
|
(function () {
|
let curCommand = null;
|
let filter = null;
|
let filterHidden = false;
|
|
/**
|
* Sets the `stdDeviation` blur value on the selected element without being undoable.
|
* @function module:svgcanvas.SvgCanvas#setBlurNoUndo
|
* @param {Float} val - The new `stdDeviation` value
|
* @returns {undefined}
|
*/
|
canvas.setBlurNoUndo = function (val) {
|
if (!filter) {
|
canvas.setBlur(val);
|
return;
|
}
|
if (val === 0) {
|
// Don't change the StdDev, as that will hide the element.
|
// Instead, just remove the value for "filter"
|
changeSelectedAttributeNoUndo('filter', '');
|
filterHidden = true;
|
} else {
|
const elem = selectedElements[0];
|
if (filterHidden) {
|
changeSelectedAttributeNoUndo('filter', 'url(#' + elem.id + '_blur)');
|
}
|
if (isWebkit()) {
|
console.log('e', elem);
|
elem.removeAttribute('filter');
|
elem.setAttribute('filter', 'url(#' + elem.id + '_blur)');
|
}
|
changeSelectedAttributeNoUndo('stdDeviation', val, [filter.firstChild]);
|
canvas.setBlurOffsets(filter, val);
|
}
|
};
|
|
function finishChange () {
|
const bCmd = canvas.undoMgr.finishUndoableChange();
|
curCommand.addSubCommand(bCmd);
|
addCommandToHistory(curCommand);
|
curCommand = null;
|
filter = null;
|
}
|
|
/**
|
* Sets the `x`, `y`, `width`, `height` values of the filter element in order to
|
* make the blur not be clipped. Removes them if not neeeded.
|
* @function module:svgcanvas.SvgCanvas#setBlurOffsets
|
* @param {Element} filter - The filter DOM element to update
|
* @param {Float} stdDev - The standard deviation value on which to base the offset size
|
* @returns {undefined}
|
*/
|
canvas.setBlurOffsets = function (filter, stdDev) {
|
if (stdDev > 3) {
|
// TODO: Create algorithm here where size is based on expected blur
|
assignAttributes(filter, {
|
x: '-50%',
|
y: '-50%',
|
width: '200%',
|
height: '200%'
|
}, 100);
|
} else {
|
// Removing these attributes hides text in Chrome (see Issue 579)
|
if (!isWebkit()) {
|
filter.removeAttribute('x');
|
filter.removeAttribute('y');
|
filter.removeAttribute('width');
|
filter.removeAttribute('height');
|
}
|
}
|
};
|
|
/**
|
* Adds/updates the blur filter to the selected element.
|
* @function module:svgcanvas.SvgCanvas#setBlur
|
* @param {Float} val - Float with the new `stdDeviation` blur value
|
* @param {boolean} complete - Whether or not the action should be completed (to add to the undo manager)
|
* @returns {undefined}
|
*/
|
canvas.setBlur = function (val, complete) {
|
if (curCommand) {
|
finishChange();
|
return;
|
}
|
|
// Looks for associated blur, creates one if not found
|
const elem = selectedElements[0];
|
const elemId = elem.id;
|
filter = getElem(elemId + '_blur');
|
|
val -= 0;
|
|
const batchCmd = new BatchCommand();
|
|
// Blur found!
|
if (filter) {
|
if (val === 0) {
|
filter = null;
|
}
|
} else {
|
// Not found, so create
|
const newblur = addSVGElementFromJson({element: 'feGaussianBlur',
|
attr: {
|
in: 'SourceGraphic',
|
stdDeviation: val
|
}
|
});
|
|
filter = addSVGElementFromJson({element: 'filter',
|
attr: {
|
id: elemId + '_blur'
|
}
|
});
|
|
filter.append(newblur);
|
findDefs().append(filter);
|
|
batchCmd.addSubCommand(new InsertElementCommand(filter));
|
}
|
|
const changes = {filter: elem.getAttribute('filter')};
|
|
if (val === 0) {
|
elem.removeAttribute('filter');
|
batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));
|
return;
|
}
|
|
changeSelectedAttribute('filter', 'url(#' + elemId + '_blur)');
|
batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));
|
canvas.setBlurOffsets(filter, val);
|
|
curCommand = batchCmd;
|
canvas.undoMgr.beginUndoableChange('stdDeviation', [filter ? filter.firstChild : null]);
|
if (complete) {
|
canvas.setBlurNoUndo(val);
|
finishChange();
|
}
|
};
|
}());
|
|
/**
|
* Check whether selected element is bold or not.
|
* @function module:svgcanvas.SvgCanvas#getBold
|
* @returns {boolean} Indicates whether or not element is bold
|
*/
|
this.getBold = function () {
|
// should only have one element selected
|
const selected = selectedElements[0];
|
if (selected != null && selected.tagName === 'text' &&
|
selectedElements[1] == null) {
|
return (selected.getAttribute('font-weight') === 'bold');
|
}
|
return false;
|
};
|
|
/**
|
* Make the selected element bold or normal.
|
* @function module:svgcanvas.SvgCanvas#setBold
|
* @param {boolean} b - Indicates bold (`true`) or normal (`false`)
|
* @returns {undefined}
|
*/
|
this.setBold = function (b) {
|
const selected = selectedElements[0];
|
if (selected != null && selected.tagName === 'text' &&
|
selectedElements[1] == null) {
|
changeSelectedAttribute('font-weight', b ? 'bold' : 'normal');
|
}
|
if (!selectedElements[0].textContent) {
|
textActions.setCursor();
|
}
|
};
|
|
/**
|
* Check whether selected element is in italics or not.
|
* @function module:svgcanvas.SvgCanvas#getItalic
|
* @returns {boolean} Indicates whether or not element is italic
|
*/
|
this.getItalic = function () {
|
const selected = selectedElements[0];
|
if (selected != null && selected.tagName === 'text' &&
|
selectedElements[1] == null) {
|
return (selected.getAttribute('font-style') === 'italic');
|
}
|
return false;
|
};
|
|
/**
|
* Make the selected element italic or normal.
|
* @function module:svgcanvas.SvgCanvas#setItalic
|
* @param {boolean} i - Indicates italic (`true`) or normal (`false`)
|
* @returns {undefined}
|
*/
|
this.setItalic = function (i) {
|
const selected = selectedElements[0];
|
if (selected != null && selected.tagName === 'text' &&
|
selectedElements[1] == null) {
|
changeSelectedAttribute('font-style', i ? 'italic' : 'normal');
|
}
|
if (!selectedElements[0].textContent) {
|
textActions.setCursor();
|
}
|
};
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getFontFamily
|
* @returns {string} The current font family
|
*/
|
this.getFontFamily = function () {
|
return curText.font_family;
|
};
|
|
/**
|
* Set the new font family.
|
* @function module:svgcanvas.SvgCanvas#setFontFamily
|
* @param {string} val - String with the new font family
|
* @returns {undefined}
|
*/
|
this.setFontFamily = function (val) {
|
curText.font_family = val;
|
changeSelectedAttribute('font-family', val);
|
if (selectedElements[0] && !selectedElements[0].textContent) {
|
textActions.setCursor();
|
}
|
};
|
|
/**
|
* Set the new font color.
|
* @function module:svgcanvas.SvgCanvas#setFontColor
|
* @param {string} val - String with the new font color
|
* @returns {undefined}
|
*/
|
this.setFontColor = function (val) {
|
curText.fill = val;
|
changeSelectedAttribute('fill', val);
|
};
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getFontColor
|
* @returns {string} The current font color
|
*/
|
this.getFontColor = function () {
|
return curText.fill;
|
};
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getFontSize
|
* @returns {Float} The current font size
|
*/
|
this.getFontSize = function () {
|
return curText.font_size;
|
};
|
|
/**
|
* Applies the given font size to the selected element.
|
* @function module:svgcanvas.SvgCanvas#setFontSize
|
* @param {Float} val - Float with the new font size
|
* @returns {undefined}
|
*/
|
this.setFontSize = function (val) {
|
curText.font_size = val;
|
changeSelectedAttribute('font-size', val);
|
if (!selectedElements[0].textContent) {
|
textActions.setCursor();
|
}
|
};
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#getText
|
* @returns {string} The current text (`textContent`) of the selected element
|
*/
|
this.getText = function () {
|
const selected = selectedElements[0];
|
if (selected == null) { return ''; }
|
return selected.textContent;
|
};
|
|
/**
|
* Updates the text element with the given string.
|
* @function module:svgcanvas.SvgCanvas#setTextContent
|
* @param {string} val - String with the new text
|
* @returns {undefined}
|
*/
|
this.setTextContent = function (val) {
|
changeSelectedAttribute('#text', val);
|
textActions.init(val);
|
textActions.setCursor();
|
};
|
|
/**
|
* Sets the new image URL for the selected image element. Updates its size if
|
* a new URL is given.
|
* @function module:svgcanvas.SvgCanvas#setImageURL
|
* @param {string} val - String with the image URL/path
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
* @returns {undefined}
|
*/
|
this.setImageURL = function (val) {
|
const elem = selectedElements[0];
|
if (!elem) { return; }
|
|
const attrs = $(elem).attr(['width', 'height']);
|
const setsize = (!attrs.width || !attrs.height);
|
|
const curHref = getHref(elem);
|
|
// Do nothing if no URL change or size change
|
if (curHref === val && !setsize) {
|
return;
|
}
|
|
const batchCmd = new BatchCommand('Change Image URL');
|
|
setHref(elem, val);
|
batchCmd.addSubCommand(new ChangeElementCommand(elem, {
|
'#href': curHref
|
}));
|
|
$(new Image()).load(function () {
|
const changes = $(elem).attr(['width', 'height']);
|
|
$(elem).attr({
|
width: this.width,
|
height: this.height
|
});
|
|
selectorManager.requestSelector(elem).resize();
|
|
batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));
|
addCommandToHistory(batchCmd);
|
call('changed', [elem]);
|
}).attr('src', val);
|
};
|
|
/**
|
* Sets the new link URL for the selected anchor element.
|
* @function module:svgcanvas.SvgCanvas#setLinkURL
|
* @param {string} val - String with the link URL/path
|
* @returns {undefined}
|
*/
|
this.setLinkURL = function (val) {
|
let elem = selectedElements[0];
|
if (!elem) { return; }
|
if (elem.tagName !== 'a') {
|
// See if parent is an anchor
|
const parentsA = $(elem).parents('a');
|
if (parentsA.length) {
|
elem = parentsA[0];
|
} else {
|
return;
|
}
|
}
|
|
const curHref = getHref(elem);
|
|
if (curHref === val) { return; }
|
|
const batchCmd = new BatchCommand('Change Link URL');
|
|
setHref(elem, val);
|
batchCmd.addSubCommand(new ChangeElementCommand(elem, {
|
'#href': curHref
|
}));
|
|
addCommandToHistory(batchCmd);
|
};
|
|
/**
|
* Sets the `rx` and `ry` values to the selected `rect` element
|
* to change its corner radius.
|
* @function module:svgcanvas.SvgCanvas#setRectRadius
|
* @param {string|Float} val - The new radius
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
* @returns {undefined}
|
*/
|
this.setRectRadius = function (val) {
|
const selected = selectedElements[0];
|
if (selected != null && selected.tagName === 'rect') {
|
const r = selected.getAttribute('rx');
|
if (r !== String(val)) {
|
selected.setAttribute('rx', val);
|
selected.setAttribute('ry', val);
|
addCommandToHistory(new ChangeElementCommand(selected, {rx: r, ry: r}, 'Radius'));
|
call('changed', [selected]);
|
}
|
}
|
};
|
|
/**
|
* Wraps the selected element(s) in an anchor element or converts group to one.
|
* @function module:svgcanvas.SvgCanvas#makeHyperlink
|
* @param {string} url
|
* @returns {undefined}
|
*/
|
this.makeHyperlink = function (url) {
|
canvas.groupSelectedElements('a', url);
|
|
// TODO: If element is a single "g", convert to "a"
|
// if (selectedElements.length > 1 && selectedElements[1]) {
|
};
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#removeHyperlink
|
* @returns {undefined}
|
*/
|
this.removeHyperlink = function () {
|
canvas.ungroupSelectedElement();
|
};
|
|
/**
|
* Group: Element manipulation
|
*/
|
|
/**
|
* Sets the new segment type to the selected segment(s).
|
* @function module:svgcanvas.SvgCanvas#setSegType
|
* @param {Integer} newType - New segment type. See {@link https://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSeg} for list
|
* @returns {undefined}
|
*/
|
this.setSegType = function (newType) {
|
pathActions.setSegType(newType);
|
};
|
|
/**
|
* Convert selected element to a path, or get the BBox of an element-as-path.
|
* @function module:svgcanvas.SvgCanvas#convertToPath
|
* @todo (codedread): Remove the getBBox argument and split this function into two.
|
* @param {Element} elem - The DOM element to be converted
|
* @param {boolean} getBBox - Boolean on whether or not to only return the path's BBox
|
* @returns {undefined|DOMRect|false|SVGPathElement|null} If the getBBox flag is true, the resulting path's bounding box object.
|
* Otherwise the resulting path element is returned.
|
*/
|
this.convertToPath = function (elem, getBBox) {
|
if (elem == null) {
|
const elems = selectedElements;
|
$.each(elems, function (i, elem) {
|
if (elem) { canvas.convertToPath(elem); }
|
});
|
return;
|
}
|
if (getBBox) {
|
return getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions);
|
}
|
// TODO: Why is this applying attributes from curShape, then inside utilities.convertToPath it's pulling addition attributes from elem?
|
// TODO: If convertToPath is called with one elem, curShape and elem are probably the same; but calling with multiple is a bug or cool feature.
|
const attrs = {
|
fill: curShape.fill,
|
'fill-opacity': curShape.fill_opacity,
|
stroke: curShape.stroke,
|
'stroke-width': curShape.stroke_width,
|
'stroke-dasharray': curShape.stroke_dasharray,
|
'stroke-linejoin': curShape.stroke_linejoin,
|
'stroke-linecap': curShape.stroke_linecap,
|
'stroke-opacity': curShape.stroke_opacity,
|
opacity: curShape.opacity,
|
visibility: 'hidden'
|
};
|
return convertToPath(elem, attrs, addSVGElementFromJson, pathActions, clearSelection, addToSelection, history, addCommandToHistory);
|
};
|
|
/**
|
* This function makes the changes to the elements. It does not add the change
|
* to the history stack.
|
* @param {string} attr - Attribute name
|
* @param {string|Float} newValue - String or number with the new attribute value
|
* @param {Element[]} elems - The DOM elements to apply the change to
|
* @returns {undefined}
|
*/
|
const changeSelectedAttributeNoUndo = function (attr, newValue, elems) {
|
if (currentMode === 'pathedit') {
|
// Editing node
|
pathActions.moveNode(attr, newValue);
|
}
|
elems = elems || selectedElements;
|
let i = elems.length;
|
const noXYElems = ['g', 'polyline', 'path'];
|
const goodGAttrs = ['transform', 'opacity', 'filter'];
|
|
while (i--) {
|
let elem = elems[i];
|
if (elem == null) { continue; }
|
|
// Set x,y vals on elements that don't have them
|
if ((attr === 'x' || attr === 'y') && noXYElems.includes(elem.tagName)) {
|
const bbox = getStrokedBBoxDefaultVisible([elem]);
|
const diffX = attr === 'x' ? newValue - bbox.x : 0;
|
const diffY = attr === 'y' ? newValue - bbox.y : 0;
|
canvas.moveSelectedElements(diffX * currentZoom, diffY * currentZoom, true);
|
continue;
|
}
|
|
// only allow the transform/opacity/filter attribute to change on <g> elements, slightly hacky
|
// TODO: FIXME: This doesn't seem right. Where's the body of this if statement?
|
if (elem.tagName === 'g' && goodGAttrs.includes(attr)) {}
|
let oldval = attr === '#text' ? elem.textContent : elem.getAttribute(attr);
|
if (oldval == null) { oldval = ''; }
|
if (oldval !== String(newValue)) {
|
if (attr === '#text') {
|
// const oldW = utilsGetBBox(elem).width;
|
elem.textContent = newValue;
|
|
// FF bug occurs on on rotated elements
|
if ((/rotate/).test(elem.getAttribute('transform'))) {
|
elem = ffClone(elem);
|
}
|
// Hoped to solve the issue of moving text with text-anchor="start",
|
// but this doesn't actually fix it. Hopefully on the right track, though. -Fyrd
|
// const box = getBBox(elem), left = box.x, top = box.y, {width, height} = box,
|
// dx = width - oldW, dy = 0;
|
// const angle = getRotationAngle(elem, true);
|
// if (angle) {
|
// const r = Math.sqrt(dx * dx + dy * dy);
|
// const theta = Math.atan2(dy, dx) - angle;
|
// dx = r * Math.cos(theta);
|
// dy = r * Math.sin(theta);
|
//
|
// elem.setAttribute('x', elem.getAttribute('x') - dx);
|
// elem.setAttribute('y', elem.getAttribute('y') - dy);
|
// }
|
} else if (attr === '#href') {
|
setHref(elem, newValue);
|
} else { elem.setAttribute(attr, newValue); }
|
|
// Go into "select" mode for text changes
|
// NOTE: Important that this happens AFTER elem.setAttribute() or else attributes like
|
// font-size can get reset to their old value, ultimately by svgEditor.updateContextPanel(),
|
// after calling textActions.toSelectMode() below
|
if (currentMode === 'textedit' && attr !== '#text' && elem.textContent.length) {
|
textActions.toSelectMode(elem);
|
}
|
|
// if (i === 0) {
|
// selectedBBoxes[0] = utilsGetBBox(elem);
|
// }
|
|
// Use the Firefox ffClone hack for text elements with gradients or
|
// where other text attributes are changed.
|
if (isGecko() && elem.nodeName === 'text' && (/rotate/).test(elem.getAttribute('transform'))) {
|
if (String(newValue).startsWith('url') || (['font-size', 'font-family', 'x', 'y'].includes(attr) && elem.textContent)) {
|
elem = ffClone(elem);
|
}
|
}
|
// Timeout needed for Opera & Firefox
|
// codedread: it is now possible for this function to be called with elements
|
// that are not in the selectedElements array, we need to only request a
|
// selector if the element is in that array
|
if (selectedElements.includes(elem)) {
|
setTimeout(function () {
|
// Due to element replacement, this element may no longer
|
// be part of the DOM
|
if (!elem.parentNode) { return; }
|
selectorManager.requestSelector(elem).resize();
|
}, 0);
|
}
|
// if this element was rotated, and we changed the position of this element
|
// we need to update the rotational transform attribute
|
const angle = getRotationAngle(elem);
|
if (angle !== 0 && attr !== 'transform') {
|
const tlist = getTransformList(elem);
|
let n = tlist.numberOfItems;
|
while (n--) {
|
const xform = tlist.getItem(n);
|
if (xform.type === 4) {
|
// remove old rotate
|
tlist.removeItem(n);
|
|
const box = utilsGetBBox(elem);
|
const center = transformPoint(box.x + box.width / 2, box.y + box.height / 2, transformListToTransform(tlist).matrix);
|
const cx = center.x,
|
cy = center.y;
|
const newrot = svgroot.createSVGTransform();
|
newrot.setRotate(angle, cx, cy);
|
tlist.insertItemBefore(newrot, n);
|
break;
|
}
|
}
|
}
|
} // if oldValue != newValue
|
} // for each elem
|
};
|
|
/**
|
* Change the given/selected element and add the original value to the history stack.
|
* If you want to change all `selectedElements`, ignore the `elems` argument.
|
* If you want to change only a subset of `selectedElements`, then send the
|
* subset to this function in the `elems` argument.
|
* @function module:svgcanvas.SvgCanvas#changeSelectedAttribute
|
* @param {string} attr - String with the attribute name
|
* @param {string|Float} val - String or number with the new attribute value
|
* @param {Element[]} elems - The DOM elements to apply the change to
|
* @returns {undefined}
|
*/
|
const changeSelectedAttribute = this.changeSelectedAttribute = function (attr, val, elems) {
|
elems = elems || selectedElements;
|
canvas.undoMgr.beginUndoableChange(attr, elems);
|
// const i = elems.length;
|
|
changeSelectedAttributeNoUndo(attr, val, elems);
|
|
const batchCmd = canvas.undoMgr.finishUndoableChange();
|
if (!batchCmd.isEmpty()) {
|
addCommandToHistory(batchCmd);
|
}
|
};
|
|
/**
|
* Removes all selected elements from the DOM and adds the change to the
|
* history stack.
|
* @function module:svgcanvas.SvgCanvas#deleteSelectedElements
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
* @returns {undefined}
|
*/
|
this.deleteSelectedElements = function () {
|
const batchCmd = new BatchCommand('Delete Elements');
|
const len = selectedElements.length;
|
const selectedCopy = []; // selectedElements is being deleted
|
|
for (let i = 0; i < len; ++i) {
|
const selected = selectedElements[i];
|
if (selected == null) { break; }
|
|
let parent = selected.parentNode;
|
let t = selected;
|
|
// this will unselect the element and remove the selectedOutline
|
selectorManager.releaseSelector(t);
|
|
// Remove the path if present.
|
pathModule.removePath_(t.id);
|
|
// Get the parent if it's a single-child anchor
|
if (parent.tagName === 'a' && parent.childNodes.length === 1) {
|
t = parent;
|
parent = parent.parentNode;
|
}
|
|
const {nextSibling} = t;
|
const elem = parent.removeChild(t);
|
selectedCopy.push(selected); // for the copy
|
batchCmd.addSubCommand(new RemoveElementCommand(elem, nextSibling, parent));
|
}
|
selectedElements = [];
|
|
if (!batchCmd.isEmpty()) { addCommandToHistory(batchCmd); }
|
call('changed', selectedCopy);
|
clearSelection();
|
};
|
|
/**
|
* Removes all selected elements from the DOM and adds the change to the
|
* history stack. Remembers removed elements on the clipboard.
|
* @function module:svgcanvas.SvgCanvas#cutSelectedElements
|
* @returns {undefined}
|
*/
|
this.cutSelectedElements = function () {
|
canvas.copySelectedElements();
|
canvas.deleteSelectedElements();
|
};
|
|
/**
|
* Remembers the current selected elements on the clipboard.
|
* @function module:svgcanvas.SvgCanvas#copySelectedElements
|
* @returns {undefined}
|
*/
|
this.copySelectedElements = function () {
|
localStorage.setItem('svgedit_clipboard', JSON.stringify(
|
selectedElements.map(function (x) { return getJsonFromSvgElement(x); })
|
));
|
|
$('#cmenu_canvas').enableContextMenuItems('#paste,#paste_in_place');
|
};
|
|
/**
|
* @function module:svgcanvas.SvgCanvas#pasteElements
|
* @param {"in_place"|"point"|undefined} type
|
* @param {Integer|undefined} x Expected if type is "point"
|
* @param {Integer|undefined} y Expected if type is "point"
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
* @fires module:svgcanvas.SvgCanvas#event:ext-IDsUpdated
|
* @returns {undefined}
|
*/
|
this.pasteElements = function (type, x, y) {
|
let clipb = JSON.parse(localStorage.getItem('svgedit_clipboard'));
|
let len = clipb.length;
|
if (!len) { return; }
|
|
const pasted = [];
|
const batchCmd = new BatchCommand('Paste elements');
|
// const drawing = getCurrentDrawing();
|
/**
|
* @typedef {PlainObject.<string, string>} module:svgcanvas.ChangedIDs
|
*/
|
/**
|
* @type {module:svgcanvas.ChangedIDs}
|
*/
|
const changedIDs = {};
|
|
// Recursively replace IDs and record the changes
|
function checkIDs (elem) {
|
if (elem.attr && elem.attr.id) {
|
changedIDs[elem.attr.id] = getNextId();
|
elem.attr.id = changedIDs[elem.attr.id];
|
}
|
if (elem.children) elem.children.forEach(checkIDs);
|
}
|
clipb.forEach(checkIDs);
|
|
// Give extensions like the connector extension a chance to reflect new IDs and remove invalid elements
|
/**
|
* Triggered when `pasteElements` is called from a paste action (context menu or key)
|
* @event module:svgcanvas.SvgCanvas#event:ext-IDsUpdated
|
* @type {PlainObject}
|
* @property {module:svgcanvas.SVGAsJSON[]} elems
|
* @property {module:svgcanvas.ChangedIDs} changes Maps past ID (on attribute) to current ID
|
*/
|
runExtensions(
|
'IDsUpdated',
|
/** @type {module:svgcanvas.SvgCanvas#event:ext-IDsUpdated} */
|
{elems: clipb, changes: changedIDs},
|
true
|
).forEach(function (extChanges) {
|
if (!extChanges || !('remove' in extChanges)) return;
|
|
extChanges.remove.forEach(function (removeID) {
|
clipb = clipb.filter(function (clipBoardItem) {
|
return clipBoardItem.attr.id !== removeID;
|
});
|
});
|
});
|
|
// Move elements to lastClickPoint
|
while (len--) {
|
const elem = clipb[len];
|
if (!elem) { continue; }
|
|
const copy = addSVGElementFromJson(elem);
|
pasted.push(copy);
|
batchCmd.addSubCommand(new InsertElementCommand(copy));
|
|
restoreRefElems(copy);
|
}
|
|
selectOnly(pasted);
|
|
if (type !== 'in_place') {
|
let ctrX, ctrY;
|
|
if (!type) {
|
ctrX = lastClickPoint.x;
|
ctrY = lastClickPoint.y;
|
} else if (type === 'point') {
|
ctrX = x;
|
ctrY = y;
|
}
|
|
const bbox = getStrokedBBoxDefaultVisible(pasted);
|
const cx = ctrX - (bbox.x + bbox.width / 2),
|
cy = ctrY - (bbox.y + bbox.height / 2),
|
dx = [],
|
dy = [];
|
|
$.each(pasted, function (i, item) {
|
dx.push(cx);
|
dy.push(cy);
|
});
|
|
const cmd = canvas.moveSelectedElements(dx, dy, false);
|
if (cmd) batchCmd.addSubCommand(cmd);
|
}
|
|
addCommandToHistory(batchCmd);
|
call('changed', pasted);
|
};
|
|
/**
|
* Wraps all the selected elements in a group (`g`) element.
|
* @function module:svgcanvas.SvgCanvas#groupSelectedElements
|
* @param {"a"|"g"} [type="g"] - type of element to group into, defaults to `<g>`
|
* @param {string} [urlArg]
|
* @returns {undefined}
|
*/
|
this.groupSelectedElements = function (type, urlArg) {
|
if (!type) { type = 'g'; }
|
let cmdStr = '';
|
let url;
|
|
switch (type) {
|
case 'a': {
|
cmdStr = 'Make hyperlink';
|
url = urlArg || '';
|
break;
|
} default: {
|
type = 'g';
|
cmdStr = 'Group Elements';
|
break;
|
}
|
}
|
|
const batchCmd = new BatchCommand(cmdStr);
|
|
// create and insert the group element
|
const g = addSVGElementFromJson({
|
element: type,
|
attr: {
|
id: getNextId()
|
}
|
});
|
if (type === 'a') {
|
setHref(g, url);
|
}
|
batchCmd.addSubCommand(new InsertElementCommand(g));
|
|
// now move all children into the group
|
let i = selectedElements.length;
|
while (i--) {
|
let elem = selectedElements[i];
|
if (elem == null) { continue; }
|
|
if (elem.parentNode.tagName === 'a' && elem.parentNode.childNodes.length === 1) {
|
elem = elem.parentNode;
|
}
|
|
const oldNextSibling = elem.nextSibling;
|
const oldParent = elem.parentNode;
|
g.append(elem);
|
batchCmd.addSubCommand(new MoveElementCommand(elem, oldNextSibling, oldParent));
|
}
|
if (!batchCmd.isEmpty()) { addCommandToHistory(batchCmd); }
|
|
// update selection
|
selectOnly([g], true);
|
};
|
|
/**
|
* Pushes all appropriate parent group properties down to its children, then
|
* removes them from the group.
|
* @function module:svgcanvas.SvgCanvas#pushGroupProperties
|
* @param {SVGAElement|SVGGElement} g
|
* @param {boolean} undoable
|
* @returns {undefined}
|
*/
|
const pushGroupProperties = this.pushGroupProperties = function (g, undoable) {
|
const children = g.childNodes;
|
const len = children.length;
|
const xform = g.getAttribute('transform');
|
|
const glist = getTransformList(g);
|
const m = transformListToTransform(glist).matrix;
|
|
const batchCmd = new BatchCommand('Push group properties');
|
|
// TODO: get all fill/stroke properties from the group that we are about to destroy
|
// "fill", "fill-opacity", "fill-rule", "stroke", "stroke-dasharray", "stroke-dashoffset",
|
// "stroke-linecap", "stroke-linejoin", "stroke-miterlimit", "stroke-opacity",
|
// "stroke-width"
|
// and then for each child, if they do not have the attribute (or the value is 'inherit')
|
// then set the child's attribute
|
|
const gangle = getRotationAngle(g);
|
|
const gattrs = $(g).attr(['filter', 'opacity']);
|
let gfilter, gblur, changes;
|
const drawing = getCurrentDrawing();
|
|
for (let i = 0; i < len; i++) {
|
const elem = children[i];
|
|
if (elem.nodeType !== 1) { continue; }
|
|
if (gattrs.opacity !== null && gattrs.opacity !== 1) {
|
// const c_opac = elem.getAttribute('opacity') || 1;
|
const newOpac = Math.round((elem.getAttribute('opacity') || 1) * gattrs.opacity * 100) / 100;
|
changeSelectedAttribute('opacity', newOpac, [elem]);
|
}
|
|
if (gattrs.filter) {
|
let cblur = this.getBlur(elem);
|
const origCblur = cblur;
|
if (!gblur) { gblur = this.getBlur(g); }
|
if (cblur) {
|
// Is this formula correct?
|
cblur = Number(gblur) + Number(cblur);
|
} else if (cblur === 0) {
|
cblur = gblur;
|
}
|
|
// If child has no current filter, get group's filter or clone it.
|
if (!origCblur) {
|
// Set group's filter to use first child's ID
|
if (!gfilter) {
|
gfilter = getRefElem(gattrs.filter);
|
} else {
|
// Clone the group's filter
|
gfilter = drawing.copyElem(gfilter);
|
findDefs().append(gfilter);
|
}
|
} else {
|
gfilter = getRefElem(elem.getAttribute('filter'));
|
}
|
|
// Change this in future for different filters
|
const suffix = (gfilter.firstChild.tagName === 'feGaussianBlur') ? 'blur' : 'filter';
|
gfilter.id = elem.id + '_' + suffix;
|
changeSelectedAttribute('filter', 'url(#' + gfilter.id + ')', [elem]);
|
|
// Update blur value
|
if (cblur) {
|
changeSelectedAttribute('stdDeviation', cblur, [gfilter.firstChild]);
|
canvas.setBlurOffsets(gfilter, cblur);
|
}
|
}
|
|
let chtlist = getTransformList(elem);
|
|
// Don't process gradient transforms
|
if (elem.tagName.includes('Gradient')) { chtlist = null; }
|
|
// Hopefully not a problem to add this. Necessary for elements like <desc/>
|
if (!chtlist) { continue; }
|
|
// Apparently <defs> can get get a transformlist, but we don't want it to have one!
|
if (elem.tagName === 'defs') { continue; }
|
|
if (glist.numberOfItems) {
|
// TODO: if the group's transform is just a rotate, we can always transfer the
|
// rotate() down to the children (collapsing consecutive rotates and factoring
|
// out any translates)
|
if (gangle && glist.numberOfItems === 1) {
|
// [Rg] [Rc] [Mc]
|
// we want [Tr] [Rc2] [Mc] where:
|
// - [Rc2] is at the child's current center but has the
|
// sum of the group and child's rotation angles
|
// - [Tr] is the equivalent translation that this child
|
// undergoes if the group wasn't there
|
|
// [Tr] = [Rg] [Rc] [Rc2_inv]
|
|
// get group's rotation matrix (Rg)
|
const rgm = glist.getItem(0).matrix;
|
|
// get child's rotation matrix (Rc)
|
let rcm = svgroot.createSVGMatrix();
|
const cangle = getRotationAngle(elem);
|
if (cangle) {
|
rcm = chtlist.getItem(0).matrix;
|
}
|
|
// get child's old center of rotation
|
const cbox = utilsGetBBox(elem);
|
const ceqm = transformListToTransform(chtlist).matrix;
|
const coldc = transformPoint(cbox.x + cbox.width / 2, cbox.y + cbox.height / 2, ceqm);
|
|
// sum group and child's angles
|
const sangle = gangle + cangle;
|
|
// get child's rotation at the old center (Rc2_inv)
|
const r2 = svgroot.createSVGTransform();
|
r2.setRotate(sangle, coldc.x, coldc.y);
|
|
// calculate equivalent translate
|
const trm = matrixMultiply(rgm, rcm, r2.matrix.inverse());
|
|
// set up tlist
|
if (cangle) {
|
chtlist.removeItem(0);
|
}
|
|
if (sangle) {
|
if (chtlist.numberOfItems) {
|
chtlist.insertItemBefore(r2, 0);
|
} else {
|
chtlist.appendItem(r2);
|
}
|
}
|
|
if (trm.e || trm.f) {
|
const tr = svgroot.createSVGTransform();
|
tr.setTranslate(trm.e, trm.f);
|
if (chtlist.numberOfItems) {
|
chtlist.insertItemBefore(tr, 0);
|
} else {
|
chtlist.appendItem(tr);
|
}
|
}
|
} else { // more complicated than just a rotate
|
// transfer the group's transform down to each child and then
|
// call recalculateDimensions()
|
const oldxform = elem.getAttribute('transform');
|
changes = {};
|
changes.transform = oldxform || '';
|
|
const newxform = svgroot.createSVGTransform();
|
|
// [ gm ] [ chm ] = [ chm ] [ gm' ]
|
// [ gm' ] = [ chmInv ] [ gm ] [ chm ]
|
const chm = transformListToTransform(chtlist).matrix,
|
chmInv = chm.inverse();
|
const gm = matrixMultiply(chmInv, m, chm);
|
newxform.setMatrix(gm);
|
chtlist.appendItem(newxform);
|
}
|
const cmd = recalculateDimensions(elem);
|
if (cmd) { batchCmd.addSubCommand(cmd); }
|
}
|
}
|
|
// remove transform and make it undo-able
|
if (xform) {
|
changes = {};
|
changes.transform = xform;
|
g.setAttribute('transform', '');
|
g.removeAttribute('transform');
|
batchCmd.addSubCommand(new ChangeElementCommand(g, changes));
|
}
|
|
if (undoable && !batchCmd.isEmpty()) {
|
return batchCmd;
|
}
|
};
|
|
/**
|
* Unwraps all the elements in a selected group (`g`) element. This requires
|
* significant recalculations to apply group's transforms, etc. to its children.
|
* @function module:svgcanvas.SvgCanvas#ungroupSelectedElement
|
* @returns {undefined}
|
*/
|
this.ungroupSelectedElement = function () {
|
let g = selectedElements[0];
|
if (!g) {
|
return;
|
}
|
if ($(g).data('gsvg') || $(g).data('symbol')) {
|
// Is svg, so actually convert to group
|
convertToGroup(g);
|
return;
|
}
|
if (g.tagName === 'use') {
|
// Somehow doesn't have data set, so retrieve
|
const symbol = getElem(getHref(g).substr(1));
|
$(g).data('symbol', symbol).data('ref', symbol);
|
convertToGroup(g);
|
return;
|
}
|
const parentsA = $(g).parents('a');
|
if (parentsA.length) {
|
g = parentsA[0];
|
}
|
|
// Look for parent "a"
|
if (g.tagName === 'g' || g.tagName === 'a') {
|
const batchCmd = new BatchCommand('Ungroup Elements');
|
const cmd = pushGroupProperties(g, true);
|
if (cmd) { batchCmd.addSubCommand(cmd); }
|
|
const parent = g.parentNode;
|
const anchor = g.nextSibling;
|
const children = new Array(g.childNodes.length);
|
|
let i = 0;
|
while (g.firstChild) {
|
let elem = g.firstChild;
|
const oldNextSibling = elem.nextSibling;
|
const oldParent = elem.parentNode;
|
|
// Remove child title elements
|
if (elem.tagName === 'title') {
|
const {nextSibling} = elem;
|
batchCmd.addSubCommand(new RemoveElementCommand(elem, nextSibling, oldParent));
|
elem.remove();
|
continue;
|
}
|
|
children[i++] = elem = parent.insertBefore(elem, anchor);
|
batchCmd.addSubCommand(new MoveElementCommand(elem, oldNextSibling, oldParent));
|
}
|
|
// remove the group from the selection
|
clearSelection();
|
|
// delete the group element (but make undo-able)
|
const gNextSibling = g.nextSibling;
|
g = parent.removeChild(g);
|
batchCmd.addSubCommand(new RemoveElementCommand(g, gNextSibling, parent));
|
|
if (!batchCmd.isEmpty()) { addCommandToHistory(batchCmd); }
|
|
// update selection
|
addToSelection(children);
|
}
|
};
|
|
/**
|
* Repositions the selected element to the bottom in the DOM to appear on top of
|
* other elements.
|
* @function module:svgcanvas.SvgCanvas#moveToTopSelectedElement
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
* @returns {undefined}
|
*/
|
this.moveToTopSelectedElement = function () {
|
const [selected] = selectedElements;
|
if (selected != null) {
|
let t = selected;
|
const oldParent = t.parentNode;
|
const oldNextSibling = t.nextSibling;
|
t = t.parentNode.appendChild(t);
|
// If the element actually moved position, add the command and fire the changed
|
// event handler.
|
if (oldNextSibling !== t.nextSibling) {
|
addCommandToHistory(new MoveElementCommand(t, oldNextSibling, oldParent, 'top'));
|
call('changed', [t]);
|
}
|
}
|
};
|
|
/**
|
* Repositions the selected element to the top in the DOM to appear under
|
* other elements.
|
* @function module:svgcanvas.SvgCanvas#moveToBottomSelectedElement
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
* @returns {undefined}
|
*/
|
this.moveToBottomSelectedElement = function () {
|
const [selected] = selectedElements;
|
if (selected != null) {
|
let t = selected;
|
const oldParent = t.parentNode;
|
const oldNextSibling = t.nextSibling;
|
let {firstChild} = t.parentNode;
|
if (firstChild.tagName === 'title') {
|
firstChild = firstChild.nextSibling;
|
}
|
// This can probably be removed, as the defs should not ever apppear
|
// inside a layer group
|
if (firstChild.tagName === 'defs') {
|
firstChild = firstChild.nextSibling;
|
}
|
t = t.parentNode.insertBefore(t, firstChild);
|
// If the element actually moved position, add the command and fire the changed
|
// event handler.
|
if (oldNextSibling !== t.nextSibling) {
|
addCommandToHistory(new MoveElementCommand(t, oldNextSibling, oldParent, 'bottom'));
|
call('changed', [t]);
|
}
|
}
|
};
|
|
/**
|
* Moves the select element up or down the stack, based on the visibly
|
* intersecting elements.
|
* @function module:svgcanvas.SvgCanvas#moveUpDownSelected
|
* @param {"Up"|"Down"} dir - String that's either 'Up' or 'Down'
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
* @returns {undefined}
|
*/
|
this.moveUpDownSelected = function (dir) {
|
const selected = selectedElements[0];
|
if (!selected) { return; }
|
|
curBBoxes = [];
|
let closest, foundCur;
|
// jQuery sorts this list
|
const list = $(getIntersectionList(getStrokedBBoxDefaultVisible([selected]))).toArray();
|
if (dir === 'Down') { list.reverse(); }
|
|
$.each(list, function () {
|
if (!foundCur) {
|
if (this === selected) {
|
foundCur = true;
|
}
|
return;
|
}
|
closest = this;
|
return false;
|
});
|
if (!closest) { return; }
|
|
const t = selected;
|
const oldParent = t.parentNode;
|
const oldNextSibling = t.nextSibling;
|
$(closest)[dir === 'Down' ? 'before' : 'after'](t);
|
// If the element actually moved position, add the command and fire the changed
|
// event handler.
|
if (oldNextSibling !== t.nextSibling) {
|
addCommandToHistory(new MoveElementCommand(t, oldNextSibling, oldParent, 'Move ' + dir));
|
call('changed', [t]);
|
}
|
};
|
|
/**
|
* Moves selected elements on the X/Y axis.
|
* @function module:svgcanvas.SvgCanvas#moveSelectedElements
|
* @param {Float} dx - Float with the distance to move on the x-axis
|
* @param {Float} dy - Float with the distance to move on the y-axis
|
* @param {boolean} undoable - Boolean indicating whether or not the action should be undoable
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
* @returns {BatchCommand} Batch command for the move
|
*/
|
this.moveSelectedElements = function (dx, dy, undoable) {
|
// if undoable is not sent, default to true
|
// if single values, scale them to the zoom
|
if (dx.constructor !== Array) {
|
dx /= currentZoom;
|
dy /= currentZoom;
|
}
|
undoable = undoable || true;
|
const batchCmd = new BatchCommand('position');
|
let i = selectedElements.length;
|
while (i--) {
|
const selected = selectedElements[i];
|
if (selected != null) {
|
// if (i === 0) {
|
// selectedBBoxes[0] = utilsGetBBox(selected);
|
// }
|
// const b = {};
|
// for (const j in selectedBBoxes[i]) b[j] = selectedBBoxes[i][j];
|
// selectedBBoxes[i] = b;
|
|
const xform = svgroot.createSVGTransform();
|
const tlist = getTransformList(selected);
|
|
// dx and dy could be arrays
|
if (dx.constructor === Array) {
|
// if (i === 0) {
|
// selectedBBoxes[0].x += dx[0];
|
// selectedBBoxes[0].y += dy[0];
|
// }
|
xform.setTranslate(dx[i], dy[i]);
|
} else {
|
// if (i === 0) {
|
// selectedBBoxes[0].x += dx;
|
// selectedBBoxes[0].y += dy;
|
// }
|
xform.setTranslate(dx, dy);
|
}
|
|
if (tlist.numberOfItems) {
|
tlist.insertItemBefore(xform, 0);
|
} else {
|
tlist.appendItem(xform);
|
}
|
|
const cmd = recalculateDimensions(selected);
|
if (cmd) {
|
batchCmd.addSubCommand(cmd);
|
}
|
|
selectorManager.requestSelector(selected).resize();
|
}
|
}
|
if (!batchCmd.isEmpty()) {
|
if (undoable) {
|
addCommandToHistory(batchCmd);
|
}
|
call('changed', selectedElements);
|
return batchCmd;
|
}
|
};
|
|
/**
|
* Create deep DOM copies (clones) of all selected elements and move them slightly
|
* from their originals.
|
* @function module:svgcanvas.SvgCanvas#cloneSelectedElements
|
* @param {Float} x Float with the distance to move on the x-axis
|
* @param {Float} y Float with the distance to move on the y-axis
|
* @returns {undefined}
|
*/
|
this.cloneSelectedElements = function (x, y) {
|
let i, elem;
|
const batchCmd = new BatchCommand('Clone Elements');
|
// find all the elements selected (stop at first null)
|
const len = selectedElements.length;
|
function sortfunction (a, b) {
|
return ($(b).index() - $(a).index()); // causes an array to be sorted numerically and ascending
|
}
|
selectedElements.sort(sortfunction);
|
for (i = 0; i < len; ++i) {
|
elem = selectedElements[i];
|
if (elem == null) { break; }
|
}
|
// use slice to quickly get the subset of elements we need
|
const copiedElements = selectedElements.slice(0, i);
|
this.clearSelection(true);
|
// note that we loop in the reverse way because of the way elements are added
|
// to the selectedElements array (top-first)
|
const drawing = getCurrentDrawing();
|
i = copiedElements.length;
|
while (i--) {
|
// clone each element and replace it within copiedElements
|
elem = copiedElements[i] = drawing.copyElem(copiedElements[i]);
|
(currentGroup || drawing.getCurrentLayer()).append(elem);
|
batchCmd.addSubCommand(new InsertElementCommand(elem));
|
}
|
|
if (!batchCmd.isEmpty()) {
|
addToSelection(copiedElements.reverse()); // Need to reverse for correct selection-adding
|
this.moveSelectedElements(x, y, false);
|
addCommandToHistory(batchCmd);
|
}
|
};
|
|
/**
|
* Aligns selected elements.
|
* @function module:svgcanvas.SvgCanvas#alignSelectedElements
|
* @param {string} type - String with single character indicating the alignment type
|
* @param {"selected"|"largest"|"smallest"|"page"} relativeTo
|
* @returns {undefined}
|
*/
|
this.alignSelectedElements = function (type, relativeTo) {
|
const bboxes = []; // angles = [];
|
const len = selectedElements.length;
|
if (!len) { return; }
|
let minx = Number.MAX_VALUE, maxx = Number.MIN_VALUE,
|
miny = Number.MAX_VALUE, maxy = Number.MIN_VALUE;
|
let curwidth = Number.MIN_VALUE, curheight = Number.MIN_VALUE;
|
for (let i = 0; i < len; ++i) {
|
if (selectedElements[i] == null) { break; }
|
const elem = selectedElements[i];
|
bboxes[i] = getStrokedBBoxDefaultVisible([elem]);
|
|
// now bbox is axis-aligned and handles rotation
|
switch (relativeTo) {
|
case 'smallest':
|
if (((type === 'l' || type === 'c' || type === 'r') &&
|
(curwidth === Number.MIN_VALUE || curwidth > bboxes[i].width)) ||
|
((type === 't' || type === 'm' || type === 'b') &&
|
(curheight === Number.MIN_VALUE || curheight > bboxes[i].height))
|
) {
|
minx = bboxes[i].x;
|
miny = bboxes[i].y;
|
maxx = bboxes[i].x + bboxes[i].width;
|
maxy = bboxes[i].y + bboxes[i].height;
|
curwidth = bboxes[i].width;
|
curheight = bboxes[i].height;
|
}
|
break;
|
case 'largest':
|
if (((type === 'l' || type === 'c' || type === 'r') &&
|
(curwidth === Number.MIN_VALUE || curwidth < bboxes[i].width)) ||
|
((type === 't' || type === 'm' || type === 'b') &&
|
(curheight === Number.MIN_VALUE || curheight < bboxes[i].height))
|
) {
|
minx = bboxes[i].x;
|
miny = bboxes[i].y;
|
maxx = bboxes[i].x + bboxes[i].width;
|
maxy = bboxes[i].y + bboxes[i].height;
|
curwidth = bboxes[i].width;
|
curheight = bboxes[i].height;
|
}
|
break;
|
default: // 'selected'
|
if (bboxes[i].x < minx) { minx = bboxes[i].x; }
|
if (bboxes[i].y < miny) { miny = bboxes[i].y; }
|
if (bboxes[i].x + bboxes[i].width > maxx) { maxx = bboxes[i].x + bboxes[i].width; }
|
if (bboxes[i].y + bboxes[i].height > maxy) { maxy = bboxes[i].y + bboxes[i].height; }
|
break;
|
}
|
} // loop for each element to find the bbox and adjust min/max
|
|
if (relativeTo === 'page') {
|
minx = 0;
|
miny = 0;
|
maxx = canvas.contentW;
|
maxy = canvas.contentH;
|
}
|
|
const dx = new Array(len);
|
const dy = new Array(len);
|
for (let i = 0; i < len; ++i) {
|
if (selectedElements[i] == null) { break; }
|
// const elem = selectedElements[i];
|
const bbox = bboxes[i];
|
dx[i] = 0;
|
dy[i] = 0;
|
switch (type) {
|
case 'l': // left (horizontal)
|
dx[i] = minx - bbox.x;
|
break;
|
case 'c': // center (horizontal)
|
dx[i] = (minx + maxx) / 2 - (bbox.x + bbox.width / 2);
|
break;
|
case 'r': // right (horizontal)
|
dx[i] = maxx - (bbox.x + bbox.width);
|
break;
|
case 't': // top (vertical)
|
dy[i] = miny - bbox.y;
|
break;
|
case 'm': // middle (vertical)
|
dy[i] = (miny + maxy) / 2 - (bbox.y + bbox.height / 2);
|
break;
|
case 'b': // bottom (vertical)
|
dy[i] = maxy - (bbox.y + bbox.height);
|
break;
|
}
|
}
|
this.moveSelectedElements(dx, dy);
|
};
|
|
/**
|
* Group: Additional editor tools
|
*/
|
|
/**
|
* @name module:svgcanvas.SvgCanvas#contentW
|
* @type {Float}
|
*/
|
this.contentW = getResolution().w;
|
/**
|
* @name module:svgcanvas.SvgCanvas#contentH
|
* @type {Float}
|
*/
|
this.contentH = getResolution().h;
|
|
/**
|
* @typedef {PlainObject} module:svgcanvas.CanvasInfo
|
* @property {Float} x - The canvas' new x coordinate
|
* @property {Float} y - The canvas' new y coordinate
|
* @property {string} oldX - The canvas' old x coordinate
|
* @property {string} oldY - The canvas' old y coordinate
|
* @property {Float} d_x - The x position difference
|
* @property {Float} d_y - The y position difference
|
*/
|
|
/**
|
* Updates the editor canvas width/height/position after a zoom has occurred.
|
* @function module:svgcanvas.SvgCanvas#updateCanvas
|
* @param {Float} w - Float with the new width
|
* @param {Float} h - Float with the new height
|
* @fires module:svgcanvas.SvgCanvas#event:ext-canvasUpdated
|
* @returns {module:svgcanvas.CanvasInfo}
|
*/
|
this.updateCanvas = function (w, h) {
|
svgroot.setAttribute('width', w);
|
svgroot.setAttribute('height', h);
|
const bg = $('#canvasBackground')[0];
|
const oldX = svgcontent.getAttribute('x');
|
const oldY = svgcontent.getAttribute('y');
|
const x = ((w - this.contentW * currentZoom) / 2);
|
const y = ((h - this.contentH * currentZoom) / 2);
|
|
assignAttributes(svgcontent, {
|
width: this.contentW * currentZoom,
|
height: this.contentH * currentZoom,
|
x,
|
y,
|
viewBox: '0 0 ' + this.contentW + ' ' + this.contentH
|
});
|
|
assignAttributes(bg, {
|
width: svgcontent.getAttribute('width'),
|
height: svgcontent.getAttribute('height'),
|
x,
|
y
|
});
|
|
const bgImg = getElem('background_image');
|
if (bgImg) {
|
assignAttributes(bgImg, {
|
width: '100%',
|
height: '100%'
|
});
|
}
|
|
selectorManager.selectorParentGroup.setAttribute('transform', 'translate(' + x + ',' + y + ')');
|
|
/**
|
* Invoked upon updates to the canvas.
|
* @event module:svgcanvas.SvgCanvas#event:ext-canvasUpdated
|
* @type {PlainObject}
|
* @property {Integer} new_x
|
* @property {Integer} new_y
|
* @property {string} old_x (Of Integer)
|
* @property {string} old_y (Of Integer)
|
* @property {Integer} d_x
|
* @property {Integer} d_y
|
*/
|
runExtensions(
|
'canvasUpdated',
|
/**
|
* @type {module:svgcanvas.SvgCanvas#event:ext-canvasUpdated}
|
*/
|
{new_x: x, new_y: y, old_x: oldX, old_y: oldY, d_x: x - oldX, d_y: y - oldY}
|
);
|
return {x, y, old_x: oldX, old_y: oldY, d_x: x - oldX, d_y: y - oldY};
|
};
|
|
/**
|
* Set the background of the editor (NOT the actual document).
|
* @function module:svgcanvas.SvgCanvas#setBackground
|
* @param {string} color - String with fill color to apply
|
* @param {string} url - URL or path to image to use
|
* @returns {undefined}
|
*/
|
this.setBackground = function (color, url) {
|
const bg = getElem('canvasBackground');
|
const border = $(bg).find('rect')[0];
|
let bgImg = getElem('background_image');
|
border.setAttribute('fill', color);
|
if (url) {
|
if (!bgImg) {
|
bgImg = svgdoc.createElementNS(NS.SVG, 'image');
|
assignAttributes(bgImg, {
|
id: 'background_image',
|
width: '100%',
|
height: '100%',
|
preserveAspectRatio: 'xMinYMin',
|
style: 'pointer-events:none'
|
});
|
}
|
setHref(bgImg, url);
|
bg.append(bgImg);
|
} else if (bgImg) {
|
bgImg.remove();
|
}
|
};
|
|
/**
|
* Select the next/previous element within the current layer.
|
* @function module:svgcanvas.SvgCanvas#cycleElement
|
* @param {boolean} next - true = next and false = previous element
|
* @fires module:svgcanvas.SvgCanvas#event:selected
|
* @returns {undefined}
|
*/
|
this.cycleElement = function (next) {
|
let num;
|
const curElem = selectedElements[0];
|
let elem = false;
|
const allElems = getVisibleElements(currentGroup || getCurrentDrawing().getCurrentLayer());
|
if (!allElems.length) { return; }
|
if (curElem == null) {
|
num = next ? allElems.length - 1 : 0;
|
elem = allElems[num];
|
} else {
|
let i = allElems.length;
|
while (i--) {
|
if (allElems[i] === curElem) {
|
num = next ? i - 1 : i + 1;
|
if (num >= allElems.length) {
|
num = 0;
|
} else if (num < 0) {
|
num = allElems.length - 1;
|
}
|
elem = allElems[num];
|
break;
|
}
|
}
|
}
|
selectOnly([elem], true);
|
call('selected', selectedElements);
|
};
|
|
this.clear();
|
|
/**
|
* @interface module:svgcanvas.PrivateMethods
|
* @type {PlainObject}
|
* @property {module:svgcanvas~addCommandToHistory} addCommandToHistory
|
* @property {module:history.HistoryCommand} BatchCommand
|
* @property {module:history.HistoryCommand} ChangeElementCommand
|
* @property {module:utilities.decode64} decode64
|
* @property {module:utilities.dropXMLInteralSubset} dropXMLInteralSubset
|
* @property {module:utilities.encode64} encode64
|
* @property {module:svgcanvas~ffClone} ffClone
|
* @property {module:svgcanvas~findDuplicateGradient} findDuplicateGradient
|
* @property {module:utilities.getPathBBox} getPathBBox
|
* @property {module:units.getTypeMap} getTypeMap
|
* @property {module:draw.identifyLayers} identifyLayers
|
* @property {module:history.HistoryCommand} InsertElementCommand
|
* @property {module:browser.isChrome} isChrome
|
* @property {module:math.isIdentity} isIdentity
|
* @property {module:browser.isIE} isIE
|
* @property {module:svgcanvas~logMatrix} logMatrix
|
* @property {module:history.HistoryCommand} MoveElementCommand
|
* @property {module:namespaces.NS} NS
|
* @property {module:utilities.preventClickDefault} preventClickDefault
|
* @property {module:history.HistoryCommand} RemoveElementCommand
|
* @property {module:SVGTransformList.SVGEditTransformList} SVGEditTransformList
|
* @property {module:utilities.text2xml} text2xml
|
* @property {module:math.transformBox} transformBox
|
* @property {module:math.transformPoint} transformPoint
|
* @property {module:utilities.walkTree} walkTree
|
*/
|
/**
|
* @deprecated getPrivateMethods
|
* Since all methods are/should be public somehow, this function should be removed;
|
* we might require `import` in place of this in the future once ES6 Modules
|
* widespread
|
|
* Being able to access private methods publicly seems wrong somehow,
|
* but currently appears to be the best way to allow testing and provide
|
* access to them to plugins.
|
* @function module:svgcanvas.SvgCanvas#getPrivateMethods
|
* @returns {module:svgcanvas.PrivateMethods}
|
*/
|
this.getPrivateMethods = function () {
|
const obj = {
|
addCommandToHistory,
|
BatchCommand,
|
ChangeElementCommand,
|
decode64,
|
dropXMLInteralSubset,
|
encode64,
|
ffClone,
|
findDefs,
|
findDuplicateGradient,
|
getElem,
|
getPathBBox,
|
getTypeMap,
|
getUrlFromAttr,
|
identifyLayers: draw.identifyLayers,
|
InsertElementCommand,
|
isChrome,
|
isIdentity,
|
isIE,
|
logMatrix,
|
MoveElementCommand,
|
NS,
|
preventClickDefault,
|
RemoveElementCommand,
|
SVGEditTransformList,
|
text2xml,
|
transformBox,
|
transformPoint,
|
walkTree
|
};
|
return obj;
|
};
|
} // End constructor
|
} // End class
|
|
export default SvgCanvas;
|
