248 lines
11 KiB
HTML
248 lines
11 KiB
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8" />
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<meta http-equiv="X-UA-Compatible" content="IE=Edge, chrome=1"/>
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<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"/>
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<title>Performance Unit Tests for svgutils.js</title>
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<link rel='stylesheet' href='qunit/qunit.css' type='text/css'/>
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<script src='../editor/jquery.js'></script>
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<script src='../editor/svgedit.js'></script>
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<!-- svgutils.js depends on these three... mock out? -->
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<script src='../editor/pathseg.js'></script>
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<script src='../editor/browser.js'></script>
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<script src='../editor/svgtransformlist.js'></script>
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<script src='../editor/math.js'></script>
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<script src='../editor/jquery-svg.js'></script> <!-- has $.attr() that takes an array . Used jby svgedit.utilities.getPathDFromElement -->
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<script src='../editor/units.js'></script>
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<script src='../editor/svgutils.js'></script>
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<script src='qunit/qunit.js'></script>
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<script>
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$(function() {
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// log function
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QUnit.log = function(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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var current_layer = document.getElementById('layer1');
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function mockCreateSVGElement(jsonMap) {
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var elem = document.createElementNS(svgedit.NS.SVG, jsonMap['element']);
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for (var 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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var elem = mockCreateSVGElement( json)
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current_layer.appendChild( elem)
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return elem
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}
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var svg = document.createElementNS(svgedit.NS.SVG, 'svg');
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var groupWithMatrixTransform = document.getElementById('svg_group_with_matrix_transform');
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var textWithMatrixTransform = document.getElementById('svg_text_with_matrix_transform');
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function fillDocumentByCloningElement( elem, count) {
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var elemId = elem.getAttribute( 'id') + '-'
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for( var index = 0; index < count; index++) {
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var 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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var parent = elem.parentNode;
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parent.appendChild(clone);
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}
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}
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module('svgedit.utilities_performance', {
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setup: function() {
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},
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teardown: function() {
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}
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});
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var mockPathActions = {
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resetOrientation: function(path) {
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if (path == null || path.nodeName != 'path') {return false;}
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var tlist = svgedit.transformlist.getTransformList(path);
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var m = svgedit.math.transformListToTransform(tlist).matrix;
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tlist.clear();
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path.removeAttribute('transform');
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var segList = path.pathSegList;
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var len = segList.numberOfItems;
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var i, last_x, last_y;
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for (i = 0; i < len; ++i) {
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var seg = segList.getItem(i);
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var type = seg.pathSegType;
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if (type == 1) {continue;}
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var pts = [];
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$.each(['',1,2], function(j, n) {
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var x = seg['x'+n], y = seg['y'+n];
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if (x !== undefined && y !== undefined) {
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var pt = svgedit.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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//svgedit.path.replacePathSeg(type, i, pts, path);
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}
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//svgedit.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. svgedit.utilities.getStrokedBBox - change if( elems.length === 1) to if( false && elems.length === 1)
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// 2. svgedit.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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asyncTest('Test svgCanvas.getStrokedBBox() performance with matrix transforms', function( ) {
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expect(2);
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var getStrokedBBox = svgedit.utilities.getStrokedBBox;
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var children = current_layer.children;
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var obj, index, count, child, start, delta, lastTime, now, ave,
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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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count = children.length;
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start = lastTime = now = Date.now();
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// Skip the first child which is the title.
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for( index = 1; index< count; index++) {
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child = children[index]
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obj = getStrokedBBox([child], mockAddSvgElementFromJson, mockPathActions );
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now = Date.now(); 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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ave = total / count;
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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) + ', 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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count = children.length;
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start = lastTime = now = Date.now();
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// Skip the first child which is the title.
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for( index = 1; index< count; index++) {
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child = children[index]
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obj = getStrokedBBox([child], mockAddSvgElementFromJson, mockPathActions );
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now = Date.now(); 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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ave = total / count;
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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) + ', min/max ' + min + ' ' + max)
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QUnit.start();
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});
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});
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});
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</script>
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</head>
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<body>
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<h1 id='qunit-header'>Performance Unit Tests for svgutils.js</h1>
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<h2 id='qunit-banner'></h2>
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<h2 id='qunit-userAgent'></h2>
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<ol id='qunit-tests'></ol>
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<div id="svg_editor">
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<div id="workarea" style="cursor: auto; overflow: scroll; line-height: 12px; right: 100px;">
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<!-- Must include this thumbnail view to see some of the performance issues -->
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<svg id="overviewMiniView" width="150" height="112.5" x="0" y="0" viewBox="100 100 1000 1000" style="float: right;"
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xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<use x="0" y="0" xlink:href="#svgroot"></use>
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</svg>
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<style id="styleoverrides" type="text/css" media="screen" scoped="scoped">#svgcanvas svg *{cursor:move;pointer-events:all}, #svgcanvas svg{cursor:default}</style>
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<div id="svgcanvas" style="position: relative; width: 1000px; height: 1000px;">
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<svg id="svgroot" xmlns="http://www.w3.org/2000/svg" xlinkns="http://www.w3.org/1999/xlink" width="1000" height="1000" x="640" y="480" overflow="visible">
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<defs><filter id="canvashadow" filterUnits="objectBoundingBox"><feGaussianBlur in="SourceAlpha" stdDeviation="4" result="blur"></feGaussianBlur><feOffset in="blur" dx="5" dy="5" result="offsetBlur"></feOffset><feMerge><feMergeNode in="offsetBlur"></feMergeNode><feMergeNode in="SourceGraphic"></feMergeNode></feMerge></filter><pattern id="gridpattern" patternUnits="userSpaceOnUse" x="0" y="0" width="100" height="100"><image x="0" y="0" width="100" height="100"></image></pattern></defs>
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<svg id="canvasBackground" width="1000" height="200" x="10" y="10" overflow="none" style="pointer-events:none"><rect width="100%" height="100%" x="0" y="0" stroke="#000" fill="#000" style="pointer-events:none"></rect><svg id="canvasGrid" width="100%" height="100%" x="0" y="0" overflow="visible" display="none" style="display: inline;"><rect width="100%" height="100%" x="0" y="0" stroke-width="0" stroke="none" fill="url(#gridpattern)" style="pointer-events: none; display:visible;"></rect></svg></svg>
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<animate attributeName="opacity" begin="indefinite" dur="1" fill="freeze"></animate>
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<svg id="svgcontent" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 1000 480" overflow="visible" width="1000" height="200" x="100" y="20">
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<g id="layer1">
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<title>Layer 1</title>
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<g id="svg_group_with_matrix_transform" transform="matrix(0.5, 0, 0, 0.5, 10, 10)">
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<svg id="svg_2" x="100" y="0" class="symbol" preserveAspectRatio="xMaxYMax">
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<g id="svg_3">
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<rect id="svg_4" x="0" y="0" width="20" height="20" fill="#00FF00"></rect>
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</g>
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<g id="svg_5" display="none">
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<rect id="svg_6" x="0" y="0" width="20" height="20" fill="#A40000"></rect>
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</g>
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</svg>
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</g>
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<text id="svg_text_with_matrix_transform" transform="matrix(0.433735, 0, 0, 0.433735, 2, 4)" xml:space="preserve" text-anchor="middle" font-family="serif" font-size="24" y="0" x="61" stroke="#999999" fill="#999999">Some text</text>
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</g>
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<g>
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<title>Layer 2</title>
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</g>
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</svg>
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</svg>
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</div>
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</div>
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</div>
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</body>
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</html>
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