/* eslint-env qunit */
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import '../editor/svgpathseg.js';
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import {NS} from '../editor/namespaces.js';
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import * as utilities from '../editor/utilities.js';
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import * as transformlist from '../editor/svgtransformlist.js';
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import * as math from '../editor/math.js';
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// log function
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QUnit.log((details) => {
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if (window.console && window.console.log) {
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window.console.log(details.result + ' :: ' + details.message);
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}
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});
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const currentLayer = document.getElementById('layer1');
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function mockCreateSVGElement (jsonMap) {
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const elem = document.createElementNS(NS.SVG, jsonMap['element']);
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for (const attr in jsonMap['attr']) {
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elem.setAttribute(attr, jsonMap['attr'][attr]);
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}
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return elem;
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}
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function mockaddSVGElementFromJson (json) {
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const elem = mockCreateSVGElement(json);
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currentLayer.append(elem);
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return elem;
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}
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// const svg = document.createElementNS(NS.SVG, 'svg');
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const groupWithMatrixTransform = document.getElementById('svg_group_with_matrix_transform');
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const textWithMatrixTransform = document.getElementById('svg_text_with_matrix_transform');
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function fillDocumentByCloningElement (elem, count) {
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const elemId = elem.getAttribute('id') + '-';
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for (let index = 0; index < count; index++) {
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const clone = elem.cloneNode(true); // t: deep clone
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// Make sure you set a unique ID like a real document.
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clone.setAttribute('id', elemId + index);
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const parent = elem.parentNode;
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parent.append(clone);
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}
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}
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QUnit.module('svgedit.utilities_performance', {
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beforeEach () {
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},
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afterEach () {
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}
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});
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const mockPathActions = {
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resetOrientation (path) {
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if (path == null || path.nodeName !== 'path') { return false; }
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const tlist = transformlist.getTransformList(path);
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const m = math.transformListToTransform(tlist).matrix;
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tlist.clear();
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path.removeAttribute('transform');
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const segList = path.pathSegList;
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const len = segList.numberOfItems;
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// let lastX, lastY;
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for (let i = 0; i < len; ++i) {
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const seg = segList.getItem(i);
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const type = seg.pathSegType;
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if (type === 1) { continue; }
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const pts = [];
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['', 1, 2].forEach(function (n, j) {
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const x = seg['x' + n], y = seg['y' + n];
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if (x !== undefined && y !== undefined) {
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const pt = math.transformPoint(x, y, m);
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pts.splice(pts.length, 0, pt.x, pt.y);
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}
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});
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// path.replacePathSeg(type, i, pts, path);
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}
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// utilities.reorientGrads(path, m);
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}
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};
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// //////////////////////////////////////////////////////////
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// Performance times with various browsers on Macbook 2011 8MB RAM OS X El Capitan 10.11.4
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//
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// To see 'Before Optimization' performance, making the following two edits.
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// 1. utilities.getStrokedBBox - change if( elems.length === 1) to if( false && elems.length === 1)
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// 2. utilities.getBBoxWithTransform - uncomment 'Old technique that was very slow'
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// Chrome
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// Before Optimization
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// Pass1 svgCanvas.getStrokedBBox total ms 4,218, ave ms 41.0, min/max 37 51
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// Pass2 svgCanvas.getStrokedBBox total ms 4,458, ave ms 43.3, min/max 32 63
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// Optimized Code
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// Pass1 svgCanvas.getStrokedBBox total ms 1,112, ave ms 10.8, min/max 9 20
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// Pass2 svgCanvas.getStrokedBBox total ms 34, ave ms 0.3, min/max 0 20
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// Firefox
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// Before Optimization
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// Pass1 svgCanvas.getStrokedBBox total ms 3,794, ave ms 36.8, min/max 33 48
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// Pass2 svgCanvas.getStrokedBBox total ms 4,049, ave ms 39.3, min/max 28 53
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// Optimized Code
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// Pass1 svgCanvas.getStrokedBBox total ms 104, ave ms 1.0, min/max 0 23
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// Pass2 svgCanvas.getStrokedBBox total ms 71, ave ms 0.7, min/max 0 23
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// Safari
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// Before Optimization
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// Pass1 svgCanvas.getStrokedBBox total ms 4,840, ave ms 47.0, min/max 45 62
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// Pass2 svgCanvas.getStrokedBBox total ms 4,849, ave ms 47.1, min/max 34 62
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// Optimized Code
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// Pass1 svgCanvas.getStrokedBBox total ms 42, ave ms 0.4, min/max 0 23
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// Pass2 svgCanvas.getStrokedBBox total ms 17, ave ms 0.2, min/max 0 23
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QUnit.test('Test svgCanvas.getStrokedBBox() performance with matrix transforms', function (assert) {
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const done = assert.async();
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assert.expect(2);
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const {getStrokedBBox} = utilities;
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const {children} = currentLayer;
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let lastTime, now,
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min = Number.MAX_VALUE,
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max = 0,
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total = 0;
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fillDocumentByCloningElement(groupWithMatrixTransform, 50);
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fillDocumentByCloningElement(textWithMatrixTransform, 50);
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// The first pass through all elements is slower.
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const count = children.length;
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const start = lastTime = now = Date.now();
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// Skip the first child which is the title.
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for (let index = 1; index < count; index++) {
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const child = children[index];
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/* const obj = */ getStrokedBBox([child], mockaddSVGElementFromJson, mockPathActions);
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now = Date.now(); const delta = now - lastTime; lastTime = now;
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total += delta;
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min = Math.min(min, delta);
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max = Math.max(max, delta);
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}
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total = lastTime - start;
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const ave = total / count;
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assert.ok(ave < 20, 'svgedit.utilities.getStrokedBBox average execution time is less than 20 ms');
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console.log('Pass1 svgCanvas.getStrokedBBox total ms ' + total + ', ave ms ' + ave.toFixed(1) + ',\t min/max ' + min + ' ' + max);
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// The second pass is two to ten times faster.
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setTimeout(function () {
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const count = children.length;
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const start = lastTime = now = Date.now();
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// Skip the first child which is the title.
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for (let index = 1; index < count; index++) {
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const child = children[index];
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/* const obj = */ getStrokedBBox([child], mockaddSVGElementFromJson, mockPathActions);
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now = Date.now(); const delta = now - lastTime; lastTime = now;
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total += delta;
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min = Math.min(min, delta);
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max = Math.max(max, delta);
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}
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total = lastTime - start;
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const ave = total / count;
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assert.ok(ave < 2, 'svgedit.utilities.getStrokedBBox average execution time is less than 1 ms');
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console.log('Pass2 svgCanvas.getStrokedBBox total ms ' + total + ', ave ms ' + ave.toFixed(1) + ',\t min/max ' + min + ' ' + max);
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done();
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});
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});
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