mirror of
https://github.com/Hopiu/fabric.js.git
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286 lines
9.4 KiB
JavaScript
286 lines
9.4 KiB
JavaScript
(function() {
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var REFERENCE_PATH_OBJECT = {
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'type': 'path',
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'originX': 'left',
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'originY': 'top',
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'left': 100,
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'top': 100,
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'width': 200,
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'height': 200,
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'fill': 'red',
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'stroke': 'blue',
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'strokeWidth': 1,
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'strokeDashArray': null,
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'strokeLineCap': 'butt',
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'strokeLineJoin': 'miter',
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'strokeMiterLimit': 10,
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'scaleX': 1,
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'scaleY': 1,
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'angle': 0,
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'flipX': false,
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'flipY': false,
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'opacity': 1,
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'path': [['M', 100, 100], ['L', 300, 100], ['L', 200, 300], ['z']],
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'pathOffset': { x: 200, y: 200 },
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'shadow': null,
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'visible': true,
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'backgroundColor': '',
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'clipTo': null,
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'fillRule': 'nonzero',
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'globalCompositeOperation': 'source-over',
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'skewX': 0,
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'skewY': 0,
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'transformMatrix': null
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};
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function getPathElement(path) {
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var el = fabric.document.createElement('path');
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el.setAttribute('d', path);
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el.setAttribute('fill', 'red');
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el.setAttribute('stroke', 'blue');
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el.setAttribute('stroke-width', 1);
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el.setAttribute('stroke-linecap', 'butt');
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el.setAttribute('stroke-linejoin', 'miter');
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el.setAttribute('stroke-miterlimit', 10);
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return el;
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}
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function getPathObject(path, callback) {
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fabric.Path.fromElement(getPathElement(path), callback);
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}
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function makePathObject(callback) {
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getPathObject('M 100 100 L 300 100 L 200 300 z', callback);
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}
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QUnit.module('fabric.Path');
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asyncTest('constructor', function() {
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ok(fabric.Path);
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makePathObject(function(path) {
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ok(path instanceof fabric.Path);
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ok(path instanceof fabric.Object);
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equal(path.get('type'), 'path');
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var error;
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try {
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new fabric.Path();
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}
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catch (err) {
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error = err;
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}
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ok(typeof error === 'undefined', 'should not throw error on empty path');
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start();
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});
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});
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asyncTest('initialize', function() {
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var path = new fabric.Path('M 100 100 L 200 100 L 170 200 z', { top: 0 });
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equal(path.left, 100);
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equal(path.top, 0);
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start();
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});
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asyncTest('toString', function() {
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makePathObject(function(path) {
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ok(typeof path.toString == 'function');
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equal(path.toString(), '#<fabric.Path (4): { "top": 100, "left": 100 }>');
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start();
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});
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});
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asyncTest('toObject', function() {
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makePathObject(function(path) {
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ok(typeof path.toObject == 'function');
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deepEqual(path.toObject(), REFERENCE_PATH_OBJECT);
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start();
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});
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});
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asyncTest('toSVG', function() {
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makePathObject(function(path) {
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ok(typeof path.toObject == 'function');
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deepEqual(path.toSVG(), '<path d="M 100 100 L 300 100 L 200 300 z" style="stroke: rgb(0,0,255); stroke-width: 1; stroke-dasharray: none; stroke-linecap: butt; stroke-linejoin: miter; stroke-miterlimit: 10; fill: rgb(255,0,0); fill-rule: nonzero; opacity: 1;" transform="translate(200.5 200.5) translate(-200, -200) " stroke-linecap="round" />\n');
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start();
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});
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});
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asyncTest('path array not shared when cloned', function() {
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makePathObject(function(originalPath) {
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originalPath.clone(function(clonedPath) {
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clonedPath.path[0][1] = 200;
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equal(originalPath.path[0][1], 100);
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start();
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});
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});
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});
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asyncTest('toDatalessObject', function() {
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makePathObject(function(path) {
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ok(typeof path.toDatalessObject == 'function');
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deepEqual(path.toDatalessObject(), REFERENCE_PATH_OBJECT);
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var src = 'http://example.com/';
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path.setSourcePath(src);
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deepEqual(path.toDatalessObject(), fabric.util.object.extend(fabric.util.object.clone(REFERENCE_PATH_OBJECT), {
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path: src
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}));
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start();
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});
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});
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asyncTest('complexity', function() {
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makePathObject(function(path) {
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ok(typeof path.complexity == 'function');
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start();
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});
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});
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asyncTest('fromObject', function() {
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ok(typeof fabric.Path.fromObject == 'function');
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fabric.Path.fromObject(REFERENCE_PATH_OBJECT, function(path) {
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ok(path instanceof fabric.Path);
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deepEqual(path.toObject(), REFERENCE_PATH_OBJECT);
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start();
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});
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});
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asyncTest('fromElement', function() {
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ok(typeof fabric.Path.fromElement == 'function');
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var elPath = fabric.document.createElement('path');
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elPath.setAttribute('d', 'M 100 100 L 300 100 L 200 300 z');
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elPath.setAttribute('fill', 'red');
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elPath.setAttribute('opacity', '1');
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elPath.setAttribute('stroke', 'blue');
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elPath.setAttribute('stroke-width', '1');
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elPath.setAttribute('stroke-dasharray', '5, 2');
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elPath.setAttribute('stroke-linecap', 'round');
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elPath.setAttribute('stroke-linejoin', 'bevil');
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elPath.setAttribute('stroke-miterlimit', '5');
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// TODO (kangax): to support multiple transformation keywords, we need to do proper matrix multiplication
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//elPath.setAttribute('transform', 'scale(2) translate(10, -20)');
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elPath.setAttribute('transform', 'scale(2)');
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fabric.Path.fromElement(elPath, function(path) {
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ok(path instanceof fabric.Path);
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deepEqual(path.toObject(), fabric.util.object.extend(REFERENCE_PATH_OBJECT, {
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strokeDashArray: [5, 2],
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strokeLineCap: 'round',
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strokeLineJoin: 'bevil',
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strokeMiterLimit: 5,
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transformMatrix: [2, 0, 0, 2, 0, 0]
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}));
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var ANGLE_DEG = 90;
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var ANGLE = ANGLE_DEG * Math.PI / 180;
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elPath.setAttribute('transform', 'rotate(' + ANGLE_DEG + ')');
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fabric.Path.fromElement(elPath, function(path) {
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deepEqual(
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path.get('transformMatrix'),
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[Math.cos(ANGLE), Math.sin(ANGLE), -Math.sin(ANGLE), Math.cos(ANGLE), 0, 0]
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);
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start();
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});
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});
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});
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asyncTest('numbers with leading decimal point', function() {
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ok(typeof fabric.Path.fromElement == 'function');
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var elPath = fabric.document.createElement('path');
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elPath.setAttribute('d', 'M 100 100 L 300 100 L 200 300 z');
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elPath.setAttribute('transform', 'scale(.2)');
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fabric.Path.fromElement(elPath, function(path) {
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ok(path instanceof fabric.Path);
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deepEqual(path.toObject().transformMatrix, [0.2, 0, 0, 0.2, 0, 0]);
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start();
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});
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});
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asyncTest('multiple sequences in path commands', function() {
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var el = getPathElement('M100 100 l 200 200 300 300 400 -50 z');
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fabric.Path.fromElement(el, function(obj) {
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deepEqual(obj.path[0], ['M', 100, 100]);
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deepEqual(obj.path[1], ['l', 200, 200]);
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deepEqual(obj.path[2], ['l', 300, 300]);
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deepEqual(obj.path[3], ['l', 400, -50]);
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el = getPathElement('c 0,-53.25604 43.17254,-96.42858 96.42857,-96.42857 53.25603,0 96.42857,43.17254 96.42857,96.42857');
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fabric.Path.fromElement(el, function(obj) {
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deepEqual(obj.path[0], ['c', 0, -53.25604, 43.17254, -96.42858, 96.42857, -96.42857]);
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deepEqual(obj.path[1], ['c', 53.25603, 0, 96.42857, 43.17254, 96.42857, 96.42857]);
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start();
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});
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});
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});
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asyncTest('multiple M/m coordinates converted to L/l', function() {
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var el = getPathElement('M100 100 200 200 150 50 m 300 300 400 -50 50 100');
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fabric.Path.fromElement(el, function(obj) {
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deepEqual(obj.path[0], ['M', 100, 100]);
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deepEqual(obj.path[1], ['L', 200, 200]);
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deepEqual(obj.path[2], ['L', 150, 50]);
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deepEqual(obj.path[3], ['m', 300, 300]);
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deepEqual(obj.path[4], ['l', 400, -50]);
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deepEqual(obj.path[5], ['l', 50, 100]);
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start();
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});
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});
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asyncTest('multiple M/m commands preserved as M/m commands', function() {
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var el = getPathElement('M100 100 M 200 200 M150 50 m 300 300 m 400 -50 m 50 100');
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fabric.Path.fromElement(el, function(obj) {
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deepEqual(obj.path[0], ['M', 100, 100]);
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deepEqual(obj.path[1], ['M', 200, 200]);
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deepEqual(obj.path[2], ['M', 150, 50]);
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deepEqual(obj.path[3], ['m', 300, 300]);
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deepEqual(obj.path[4], ['m', 400, -50]);
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deepEqual(obj.path[5], ['m', 50, 100]);
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start();
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});
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});
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asyncTest('compressed path commands', function() {
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var el = getPathElement('M56.224 84.12c-.047.132-.138.221-.322.215.046-.131.137-.221.322-.215z');
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fabric.Path.fromElement(el, function(obj) {
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deepEqual(obj.path[0], ['M', 56.224, 84.12]);
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deepEqual(obj.path[1], ['c', -0.047, 0.132, -0.138, 0.221, -0.322, 0.215]);
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deepEqual(obj.path[2], ['c', 0.046, -0.131, 0.137, -0.221, 0.322, -0.215]);
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deepEqual(obj.path[3], ['z']);
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start();
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});
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});
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asyncTest('compressed path commands with e^x', function() {
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var el = getPathElement('M56.224e2 84.12E-2c-.047.132-.138.221-.322.215.046-.131.137-.221.322-.215m-.050 -20.100z');
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fabric.Path.fromElement(el, function(obj) {
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deepEqual(obj.path[0], ['M', 5622.4, 0.8412]);
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deepEqual(obj.path[1], ['c', -0.047, 0.132, -0.138, 0.221, -0.322, 0.215]);
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deepEqual(obj.path[2], ['c', 0.046, -0.131, 0.137, -0.221, 0.322, -0.215]);
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deepEqual(obj.path[3], ['m', -0.05, -20.100]);
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deepEqual(obj.path[4], ['z']);
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start();
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});
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});
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})();
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