mirror of
https://github.com/Hopiu/fabric.js.git
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805 lines
35 KiB
JavaScript
805 lines
35 KiB
JavaScript
(function() {
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function getAbsolutePath(path) {
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var isAbsolute = /^https?:/.test(path);
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if (isAbsolute) { return path; };
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var imgEl = _createImageElement();
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imgEl.src = path;
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var src = imgEl.src;
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imgEl = null;
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return src;
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}
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function makeImageElement(attributes) {
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var element = {};
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element.getAttribute = function(x) {
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return element[x];
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};
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element.setAttribute = function(x, value) {
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element[x] = value;
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};
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for (var prop in attributes) {
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element.setAttribute(prop, attributes[prop]);
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}
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return element;
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}
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var IMG_SRC = fabric.isLikelyNode ? (__dirname + '/../fixtures/test_image.gif') : getAbsolutePath('../fixtures/test_image.gif'),
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IMG_WIDTH = 276,
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IMG_HEIGHT = 110;
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var REFERENCE_IMG_OBJECT = {
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version: fabric.version,
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type: 'image',
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originX: 'left',
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originY: 'top',
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left: 0,
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top: 0,
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width: IMG_WIDTH, // node-canvas doesn't seem to allow setting width/height on image objects
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height: IMG_HEIGHT, // or does it now?
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fill: 'rgb(0,0,0)',
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stroke: null,
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strokeWidth: 0,
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strokeDashArray: null,
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strokeLineCap: 'butt',
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strokeDashOffset: 0,
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strokeLineJoin: 'miter',
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strokeMiterLimit: 4,
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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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src: IMG_SRC,
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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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filters: [],
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fillRule: 'nonzero',
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paintFirst: 'fill',
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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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crossOrigin: '',
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cropX: 0,
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cropY: 0
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};
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function _createImageElement() {
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return fabric.document.createElement('img');
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}
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function _createImageObject(width, height, callback, options) {
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options = options || {};
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var elImage = _createImageElement();
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setSrc(elImage, IMG_SRC, function() {
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options.width = width;
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options.height = height;
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callback(new fabric.Image(elImage, options));
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});
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}
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function createImageObject(callback, options) {
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return _createImageObject(IMG_WIDTH, IMG_HEIGHT, callback, options);
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}
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function createSmallImageObject(callback, options) {
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return _createImageObject(IMG_WIDTH / 2, IMG_HEIGHT / 2, callback, options);
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}
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function setSrc(img, src, callback) {
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img.onload = function() {
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callback && callback();
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};
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img.src = src;
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}
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QUnit.module('fabric.Image');
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QUnit.test('constructor', function(assert) {
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var done = assert.async();
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assert.ok(fabric.Image);
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createImageObject(function(image) {
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assert.ok(image instanceof fabric.Image);
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assert.ok(image instanceof fabric.Object);
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assert.equal(image.get('type'), 'image');
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done();
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});
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});
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QUnit.test('toObject', function(assert) {
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var done = assert.async();
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createImageObject(function(image) {
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assert.ok(typeof image.toObject === 'function');
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var toObject = image.toObject();
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// workaround for node-canvas sometimes producing images with width/height and sometimes not
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if (toObject.width === 0) {
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toObject.width = IMG_WIDTH;
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}
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if (toObject.height === 0) {
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toObject.height = IMG_HEIGHT;
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}
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assert.deepEqual(toObject, REFERENCE_IMG_OBJECT);
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done();
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});
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});
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QUnit.test('setSrc', function(assert) {
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var done = assert.async();
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createImageObject(function(image) {
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image.width = 100;
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image.height = 100;
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assert.ok(typeof image.setSrc === 'function');
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assert.equal(image.width, 100);
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assert.equal(image.height, 100);
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image.setSrc(IMG_SRC, function() {
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assert.equal(image.width, IMG_WIDTH);
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assert.equal(image.height, IMG_HEIGHT);
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done();
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});
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});
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});
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QUnit.test('toObject with no element', function(assert) {
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var done = assert.async();
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createImageObject(function(image) {
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assert.ok(typeof image.toObject === 'function');
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var toObject = image.toObject();
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// workaround for node-canvas sometimes producing images with width/height and sometimes not
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if (toObject.width === 0) {
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toObject.width = IMG_WIDTH;
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}
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if (toObject.height === 0) {
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toObject.height = IMG_HEIGHT;
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}
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assert.deepEqual(toObject, REFERENCE_IMG_OBJECT);
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done();
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});
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});
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QUnit.test('toObject with resize filter', function(assert) {
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var done = assert.async();
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createImageObject(function(image) {
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assert.ok(typeof image.toObject === 'function');
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var filter = new fabric.Image.filters.Resize({resizeType: 'bilinear', scaleX: 0.3, scaleY: 0.3});
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image.resizeFilter = filter;
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assert.ok(image.resizeFilter instanceof fabric.Image.filters.Resize, 'should inherit from fabric.Image.filters.Resize');
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var toObject = image.toObject();
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assert.deepEqual(toObject.resizeFilter, filter.toObject(), 'the filter is in object form now');
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fabric.Image.fromObject(toObject, function(imageFromObject) {
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var filterFromObj = imageFromObject.resizeFilter;
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assert.ok(filterFromObj instanceof fabric.Image.filters.Resize, 'should inherit from fabric.Image.filters.Resize');
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assert.deepEqual(filterFromObj, filter, 'the filter has been restored');
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assert.equal(filterFromObj.scaleX, 0.3);
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assert.equal(filterFromObj.scaleY, 0.3);
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assert.equal(filterFromObj.resizeType, 'bilinear');
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done();
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});
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});
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});
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QUnit.test('toObject with normal filter and resize filter', function(assert) {
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var done = assert.async();
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createImageObject(function(image) {
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var filter = new fabric.Image.filters.Resize({resizeType: 'bilinear' });
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image.resizeFilter = filter;
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var filterBg = new fabric.Image.filters.Brightness({ brightness: 0.8 });
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image.filters = [filterBg];
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image.scaleX = 0.3;
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image.scaleY = 0.3;
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var toObject = image.toObject();
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assert.deepEqual(toObject.resizeFilter, filter.toObject(), 'the filter is in object form now');
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assert.deepEqual(toObject.filters[0], filterBg.toObject(), 'the filter is in object form now brightness');
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fabric.Image.fromObject(toObject, function(imageFromObject) {
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var filterFromObj = imageFromObject.resizeFilter;
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var brightnessFromObj = imageFromObject.filters[0];
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assert.ok(filterFromObj instanceof fabric.Image.filters.Resize, 'should inherit from fabric.Image.filters.Resize');
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assert.ok(brightnessFromObj instanceof fabric.Image.filters.Brightness, 'should inherit from fabric.Image.filters.Resize');
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done();
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});
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});
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});
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QUnit.test('toObject with applied resize filter', function(assert) {
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var done = assert.async();
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createImageObject(function(image) {
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assert.ok(typeof image.toObject === 'function');
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var filter = new fabric.Image.filters.Resize({resizeType: 'bilinear', scaleX: 0.2, scaleY: 0.2});
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image.filters.push(filter);
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var width = image.width, height = image.height;
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assert.ok(image.filters[0] instanceof fabric.Image.filters.Resize, 'should inherit from fabric.Image.filters.Resize');
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image.applyFilters();
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assert.equal(image.width, Math.floor(width), 'width is not changed');
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assert.equal(image.height, Math.floor(height), 'height is not changed');
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assert.equal(image._filterScalingX.toFixed(1), 0.2, 'a new scaling factor is made for x');
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assert.equal(image._filterScalingY.toFixed(1), 0.2, 'a new scaling factor is made for y');
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var toObject = image.toObject();
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assert.deepEqual(toObject.filters[0], filter.toObject());
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assert.equal(toObject.width, width, 'width is stored as before filters');
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assert.equal(toObject.height, height, 'height is stored as before filters');
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fabric.Image.fromObject(toObject, function(_imageFromObject) {
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var filterFromObj = _imageFromObject.filters[0];
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assert.ok(filterFromObj instanceof fabric.Image.filters.Resize, 'should inherit from fabric.Image.filters.Resize');
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assert.equal(filterFromObj.scaleY, 0.2);
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assert.equal(filterFromObj.scaleX, 0.2);
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done();
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});
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});
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});
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QUnit.test('toString', function(assert) {
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var done = assert.async();
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createImageObject(function(image) {
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assert.ok(typeof image.toString === 'function');
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assert.equal(image.toString(), '#<fabric.Image: { src: "' + IMG_SRC + '" }>');
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done();
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});
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});
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QUnit.test('toSVG with crop', function(assert) {
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var done = assert.async();
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createImageObject(function(image) {
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image.cropX = 1;
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image.cropY = 1;
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image.width -= 2;
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image.height -= 2;
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fabric.Object.__uid = 1;
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var expectedSVG = '<g transform=\"matrix(1 0 0 1 137 54)\" >\n<clipPath id=\"imageCrop_1\">\n\t<rect x=\"-137\" y=\"-54\" width=\"274\" height=\"108\" />\n</clipPath>\n\t<image style=\"stroke: none; stroke-width: 0; stroke-dasharray: none; stroke-linecap: butt; stroke-dashoffset: 0; stroke-linejoin: miter; stroke-miterlimit: 4; fill: rgb(0,0,0); fill-rule: nonzero; opacity: 1;\" xlink:href=\"' + IMG_SRC + '\" x=\"-138\" y=\"-55\" width=\"276\" height=\"110\" clip-path=\"url(#imageCrop_1)\" ></image>\n</g>\n';
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assert.equal(image.toSVG(), expectedSVG);
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done();
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});
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});
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QUnit.test('hasCrop', function(assert) {
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var done = assert.async();
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createImageObject(function(image) {
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assert.ok(typeof image.hasCrop === 'function');
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assert.equal(image.hasCrop(), false, 'standard image has no crop');
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image.cropX = 1;
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assert.equal(image.hasCrop(), true, 'cropX !== 0 gives crop true');
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image.cropX = 0;
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image.cropY = 1;
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assert.equal(image.hasCrop(), true, 'cropY !== 0 gives crop true');
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image.width -= 1;
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assert.equal(image.hasCrop(), true, 'width < element.width gives crop true');
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image.width += 1;
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image.height -= 1;
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assert.equal(image.hasCrop(), true, 'height < element.height gives crop true');
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done();
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});
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});
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QUnit.test('toSVG', function(assert) {
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var done = assert.async();
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createImageObject(function(image) {
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assert.ok(typeof image.toSVG === 'function');
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var expectedSVG = '<g transform=\"matrix(1 0 0 1 138 55)\" >\n\t<image style=\"stroke: none; stroke-width: 0; stroke-dasharray: none; stroke-linecap: butt; stroke-dashoffset: 0; stroke-linejoin: miter; stroke-miterlimit: 4; fill: rgb(0,0,0); fill-rule: nonzero; opacity: 1;\" xlink:href=\"' + IMG_SRC + '\" x=\"-138\" y=\"-55\" width=\"276\" height=\"110\"></image>\n</g>\n';
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assert.equal(image.toSVG(), expectedSVG);
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done();
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});
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});
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QUnit.test('getSrc', function(assert) {
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var done = assert.async();
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createImageObject(function(image) {
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assert.ok(typeof image.getSrc === 'function');
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assert.equal(image.getSrc(), IMG_SRC);
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done();
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});
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});
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QUnit.test('getElement', function(assert) {
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var elImage = _createImageElement();
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var image = new fabric.Image(elImage);
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assert.ok(typeof image.getElement === 'function');
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assert.equal(image.getElement(), elImage);
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});
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QUnit.test('setElement', function(assert) {
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var done = assert.async();
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createImageObject(function(image) {
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assert.ok(typeof image.setElement === 'function');
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var elImage = _createImageElement();
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assert.notEqual(image.getElement(), elImage);
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assert.equal(image.setElement(elImage), image, 'chainable');
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assert.equal(image.getElement(), elImage);
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assert.equal(image._originalElement, elImage);
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done();
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});
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});
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QUnit.test('setElement resets the webgl cache', function(assert) {
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var done = assert.async();
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var fabricBackend = fabric.filterBackend;
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createImageObject(function(image) {
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fabric.filterBackend = {
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textureCache: {},
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evictCachesForKey: function(key) {
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delete this.textureCache[key];
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}
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};
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var elImage = _createImageElement();
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fabric.filterBackend.textureCache[image.cacheKey] = 'something';
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assert.equal(image.setElement(elImage), image, 'chainable');
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assert.equal(fabric.filterBackend.textureCache[image.cacheKey], undefined);
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fabric.filterBackend = fabricBackend;
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done();
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});
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});
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QUnit.test('crossOrigin', function(assert) {
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var done = assert.async();
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createImageObject(function(image) {
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assert.equal(image.crossOrigin, '', 'initial crossOrigin value should be set');
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var elImage = _createImageElement();
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elImage.crossOrigin = 'anonymous';
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image = new fabric.Image(elImage);
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assert.equal(image.crossOrigin, '', 'crossOrigin value on an instance takes precedence');
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var objRepr = image.toObject();
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assert.equal(objRepr.crossOrigin, '', 'toObject should return proper crossOrigin value');
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var elImage2 = _createImageElement();
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elImage2.crossOrigin = 'anonymous';
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image.setElement(elImage2);
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assert.equal(elImage2.crossOrigin, 'anonymous', 'setElement should set proper crossOrigin on an img element');
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// fromObject doesn't work on Node :/
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if (fabric.isLikelyNode) {
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done();
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return;
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}
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fabric.Image.fromObject(objRepr, function(img) {
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assert.equal(img.crossOrigin, '');
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done();
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});
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});
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});
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QUnit.test('clone', function(assert) {
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var done = assert.async();
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createImageObject(function(image) {
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assert.ok(typeof image.clone === 'function');
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image.clone(function(clone) {
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assert.ok(clone instanceof fabric.Image);
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assert.deepEqual(clone.toObject(), image.toObject());
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done();
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});
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});
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});
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QUnit.test('cloneWidthHeight', function(assert) {
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var done = assert.async();
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createSmallImageObject(function(image) {
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image.clone(function(clone) {
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assert.equal(clone.width, IMG_WIDTH / 2,
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'clone\'s element should have width identical to that of original image');
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assert.equal(clone.height, IMG_HEIGHT / 2,
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'clone\'s element should have height identical to that of original image');
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done();
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});
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});
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});
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QUnit.test('fromObject', function(assert) {
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var done = assert.async();
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assert.ok(typeof fabric.Image.fromObject === 'function');
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// should not throw error when no callback is given
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var obj = fabric.util.object.extend(fabric.util.object.clone(REFERENCE_IMG_OBJECT), {
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src: IMG_SRC
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});
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fabric.Image.fromObject(obj, function(instance){
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assert.ok(instance instanceof fabric.Image);
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done();
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});
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});
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QUnit.test('fromObject with clipPath', function(assert) {
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var done = assert.async();
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// should not throw error when no callback is given
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var obj = fabric.util.object.extend(fabric.util.object.clone(REFERENCE_IMG_OBJECT), {
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src: IMG_SRC,
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clipPath: (new fabric.Rect({ width: 100, height: 100 })).toObject(),
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});
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fabric.Image.fromObject(obj, function(instance){
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assert.ok(instance instanceof fabric.Image);
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assert.ok(instance.clipPath instanceof fabric.Rect);
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done();
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});
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});
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QUnit.test('fromObject does not mutate data', function(assert) {
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var done = assert.async();
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assert.ok(typeof fabric.Image.fromObject === 'function');
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var obj = fabric.util.object.extend(fabric.util.object.clone(REFERENCE_IMG_OBJECT), {
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src: IMG_SRC
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});
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var brightness = {
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type: 'Brightness',
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brightness: 0.1
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};
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var contrast = {
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type: 'Contrast',
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contrast: 0.1
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};
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obj.filters = [brightness];
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obj.resizeFilter = contrast;
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var copyOfFilters = obj.filters;
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var copyOfBrighteness = brightness;
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var copyOfContrast = contrast;
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var copyOfObject = obj;
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fabric.Image.fromObject(obj, function(){
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assert.ok(copyOfFilters === obj.filters, 'filters array did not mutate');
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assert.ok(copyOfBrighteness === copyOfFilters[0], 'filter is same object');
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assert.deepEqual(copyOfBrighteness, obj.filters[0], 'did not mutate filter');
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assert.deepEqual(copyOfFilters, obj.filters, 'did not mutate array');
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assert.deepEqual(copyOfContrast, obj.resizeFilter, 'did not mutate object');
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assert.deepEqual(copyOfObject, obj, 'did not change any value');
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assert.ok(copyOfContrast === obj.resizeFilter, 'resizefilter is same object');
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done();
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});
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});
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QUnit.test('fromURL', function(assert) {
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var done = assert.async();
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assert.ok(typeof fabric.Image.fromURL === 'function');
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fabric.Image.fromURL(IMG_SRC, function(instance) {
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assert.ok(instance instanceof fabric.Image);
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assert.deepEqual(REFERENCE_IMG_OBJECT, instance.toObject());
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done();
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});
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});
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QUnit.test('fromElement', function(assert) {
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var done = assert.async();
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|
|
var IMAGE_DATA_URL = 'data:image/png;base64,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';
|
|
|
|
assert.ok(typeof fabric.Image.fromElement === 'function', 'fromElement should exist');
|
|
|
|
var imageEl = makeImageElement({
|
|
width: '14',
|
|
height: '17',
|
|
'xlink:href': IMAGE_DATA_URL
|
|
});
|
|
|
|
fabric.Image.fromElement(imageEl, function(imgObject) {
|
|
assert.ok(imgObject instanceof fabric.Image);
|
|
assert.deepEqual(imgObject.get('width'), 14, 'width of an object');
|
|
assert.deepEqual(imgObject.get('height'), 17, 'height of an object');
|
|
assert.deepEqual(imgObject.getSrc(), IMAGE_DATA_URL, 'src of an object');
|
|
done();
|
|
});
|
|
});
|
|
|
|
QUnit.test('fromElement with preserveAspectRatio', function(assert) {
|
|
var done = assert.async();
|
|
|
|
var IMAGE_DATA_URL = 'data:image/png;base64,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';
|
|
|
|
assert.ok(typeof fabric.Image.fromElement === 'function', 'fromElement should exist');
|
|
|
|
var imageEl = makeImageElement({
|
|
width: '140',
|
|
height: '170',
|
|
'xlink:href': IMAGE_DATA_URL
|
|
});
|
|
|
|
fabric.Image.fromElement(imageEl, function(imgObject) {
|
|
imgObject._removeTransformMatrix(imgObject.parsePreserveAspectRatioAttribute());
|
|
assert.ok(imgObject instanceof fabric.Image);
|
|
assert.deepEqual(imgObject.get('width'), 14, 'width of an object');
|
|
assert.deepEqual(imgObject.get('height'), 17, 'height of an object');
|
|
assert.deepEqual(imgObject.get('scaleX'), 10, 'scaleX compensate the width');
|
|
assert.deepEqual(imgObject.get('scaleY'), 10, 'scaleY compensate the height');
|
|
assert.deepEqual(imgObject.getSrc(), IMAGE_DATA_URL, 'src of an object');
|
|
done();
|
|
});
|
|
});
|
|
|
|
QUnit.test('fromElement with preserveAspectRatio and smaller bbox', function(assert) {
|
|
var done = assert.async();
|
|
|
|
var IMAGE_DATA_URL = 'data:image/png;base64,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';
|
|
|
|
assert.ok(typeof fabric.Image.fromElement === 'function', 'fromElement should exist');
|
|
|
|
var imageEl = makeImageElement({
|
|
x: '0',
|
|
y: '0',
|
|
width: '70',
|
|
height: '170',
|
|
preserveAspectRatio: 'meet xMidYMid',
|
|
'xlink:href': IMAGE_DATA_URL
|
|
});
|
|
|
|
fabric.Image.fromElement(imageEl, function(imgObject) {
|
|
imgObject._removeTransformMatrix(imgObject.parsePreserveAspectRatioAttribute());
|
|
assert.deepEqual(imgObject.get('width'), 14, 'width of an object');
|
|
assert.deepEqual(imgObject.get('height'), 17, 'height of an object');
|
|
assert.deepEqual(imgObject.get('left'), 0, 'left');
|
|
assert.deepEqual(imgObject.get('top'), 42.5, 'top is moved to stay in center');
|
|
assert.deepEqual(imgObject.get('scaleX'), 5, 'scaleX compensate the width');
|
|
assert.deepEqual(imgObject.get('scaleY'), 5, 'scaleY compensate the height');
|
|
assert.deepEqual(imgObject.getSrc(), IMAGE_DATA_URL, 'src of an object');
|
|
done();
|
|
});
|
|
});
|
|
|
|
QUnit.test('fromElement with preserveAspectRatio and smaller bbox xMidYmax', function(assert) {
|
|
var done = assert.async();
|
|
|
|
var IMAGE_DATA_URL = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAAARCAYAAADtyJ2fAAAACXBIWXMAAAsSAAALEgHS3X78AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAVBJREFUeNqMU7tOBDEMtENuy614/QE/gZBOuvJK+Et6CiQ6JP6ExxWI7bhL1vgVExYKLPmsTTIzjieHd+MZZSBIAJwEyJU0EWaum+lNljRux3O6nl70Gx/GUwUeyYcDJWZNhMK1aEXYe95Mz4iP44kDTRUZSWSq1YEHri0/HZxXfGSFBN+qDEJTrNI+QXRBviZ7eWCQgjsg+IHiHYB30MhqUxwcmH1Arc2kFDwkBldeFGJLPqs/AbbF2dWgUym6Z2Tb6RVzYxG1wUnmaNcOonZiU0++l6C7FzoQY42g3+8jz+GZ+dWMr1rRH0OjAFhPO+VJFx/vWDqPmk8H97CGBUYUiqAGW0PVe1+aX8j2Ll0tgHtvLx6AK9Tu1ZTFTQ0ojChqGD4qkOzeAuzVfgzsaTym1ClS+IdwtQCFooQMBTumNun1H6Bfcc9/MUn4R3wJMAAZH6MmA4ht4gAAAABJRU5ErkJggg==';
|
|
|
|
assert.ok(typeof fabric.Image.fromElement === 'function', 'fromElement should exist');
|
|
|
|
var imageEl = makeImageElement({
|
|
x: '0',
|
|
y: '0',
|
|
width: '70',
|
|
height: '170',
|
|
preserveAspectRatio: 'meet xMidYMax',
|
|
'xlink:href': IMAGE_DATA_URL
|
|
});
|
|
|
|
fabric.Image.fromElement(imageEl, function(imgObject) {
|
|
imgObject._removeTransformMatrix(imgObject.parsePreserveAspectRatioAttribute());
|
|
assert.deepEqual(imgObject.get('width'), 14, 'width of an object');
|
|
assert.deepEqual(imgObject.get('height'), 17, 'height of an object');
|
|
assert.deepEqual(imgObject.get('left'), 0, 'left');
|
|
assert.deepEqual(imgObject.get('top'), 85, 'top is moved to stay in center');
|
|
assert.deepEqual(imgObject.get('scaleX'), 5, 'scaleX compensate the width');
|
|
assert.deepEqual(imgObject.get('scaleY'), 5, 'scaleY compensate the height');
|
|
assert.deepEqual(imgObject.getSrc(), IMAGE_DATA_URL, 'src of an object');
|
|
done();
|
|
});
|
|
});
|
|
|
|
QUnit.test('fromElement with preserveAspectRatio and smaller bbox xMidYmin', function(assert) {
|
|
var done = assert.async();
|
|
|
|
var IMAGE_DATA_URL = 'data:image/png;base64,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';
|
|
|
|
assert.ok(typeof fabric.Image.fromElement === 'function', 'fromElement should exist');
|
|
|
|
var imageEl = makeImageElement({
|
|
x: '0',
|
|
y: '0',
|
|
width: '70',
|
|
height: '170',
|
|
preserveAspectRatio: 'meet xMidYMin',
|
|
'xlink:href': IMAGE_DATA_URL
|
|
});
|
|
|
|
fabric.Image.fromElement(imageEl, function(imgObject) {
|
|
imgObject._removeTransformMatrix(imgObject.parsePreserveAspectRatioAttribute());
|
|
assert.deepEqual(imgObject.get('width'), 14, 'width of an object');
|
|
assert.deepEqual(imgObject.get('height'), 17, 'height of an object');
|
|
assert.deepEqual(imgObject.get('left'), 0, 'left');
|
|
assert.deepEqual(imgObject.get('top'), 0, 'top is moved to stay in center');
|
|
assert.deepEqual(imgObject.get('scaleX'), 5, 'scaleX compensate the width');
|
|
assert.deepEqual(imgObject.get('scaleY'), 5, 'scaleY compensate the height');
|
|
assert.deepEqual(imgObject.getSrc(), IMAGE_DATA_URL, 'src of an object');
|
|
done();
|
|
});
|
|
});
|
|
|
|
QUnit.test('fromElement with preserveAspectRatio and smaller V bbox xMinYMin', function(assert) {
|
|
var done = assert.async();
|
|
|
|
var IMAGE_DATA_URL = 'data:image/png;base64,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';
|
|
|
|
assert.ok(typeof fabric.Image.fromElement === 'function', 'fromElement should exist');
|
|
|
|
var imageEl = makeImageElement({
|
|
x: '0',
|
|
y: '0',
|
|
width: '140',
|
|
height: '85',
|
|
preserveAspectRatio: 'meet xMinYMin',
|
|
'xlink:href': IMAGE_DATA_URL
|
|
});
|
|
|
|
fabric.Image.fromElement(imageEl, function(imgObject) {
|
|
imgObject._removeTransformMatrix(imgObject.parsePreserveAspectRatioAttribute());
|
|
assert.deepEqual(imgObject.get('width'), 14, 'width of an object');
|
|
assert.deepEqual(imgObject.get('height'), 17, 'height of an object');
|
|
assert.deepEqual(imgObject.get('left'), 0, 'left');
|
|
assert.deepEqual(imgObject.get('top'), 0, 'top is moved to stay in center');
|
|
assert.deepEqual(imgObject.get('scaleX'), 5, 'scaleX compensate the width');
|
|
assert.deepEqual(imgObject.get('scaleY'), 5, 'scaleY compensate the height');
|
|
assert.deepEqual(imgObject.getSrc(), IMAGE_DATA_URL, 'src of an object');
|
|
done();
|
|
});
|
|
});
|
|
|
|
QUnit.test('fromElement with preserveAspectRatio and smaller V bbox xMidYmin', function(assert) {
|
|
var done = assert.async();
|
|
|
|
var IMAGE_DATA_URL = 'data:image/png;base64,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';
|
|
|
|
assert.ok(typeof fabric.Image.fromElement === 'function', 'fromElement should exist');
|
|
|
|
var imageEl = makeImageElement({
|
|
x: '0',
|
|
y: '0',
|
|
width: '140',
|
|
height: '85',
|
|
preserveAspectRatio: 'meet xMidYMin',
|
|
'xlink:href': IMAGE_DATA_URL
|
|
});
|
|
|
|
fabric.Image.fromElement(imageEl, function(imgObject) {
|
|
imgObject._removeTransformMatrix(imgObject.parsePreserveAspectRatioAttribute());
|
|
assert.deepEqual(imgObject.get('width'), 14, 'width of an object');
|
|
assert.deepEqual(imgObject.get('height'), 17, 'height of an object');
|
|
assert.deepEqual(imgObject.get('left'), 35, 'left');
|
|
assert.deepEqual(imgObject.get('top'), 0, 'top is moved to stay in center');
|
|
assert.deepEqual(imgObject.get('scaleX'), 5, 'scaleX compensate the width');
|
|
assert.deepEqual(imgObject.get('scaleY'), 5, 'scaleY compensate the height');
|
|
assert.deepEqual(imgObject.getSrc(), IMAGE_DATA_URL, 'src of an object');
|
|
done();
|
|
});
|
|
});
|
|
|
|
QUnit.test('fromElement with preserveAspectRatio and smaller V bbox xMaxYMin', function(assert) {
|
|
var done = assert.async();
|
|
|
|
var IMAGE_DATA_URL = 'data:image/png;base64,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';
|
|
|
|
assert.ok(typeof fabric.Image.fromElement === 'function', 'fromElement should exist');
|
|
|
|
var imageEl = makeImageElement({
|
|
x: '0',
|
|
y: '0',
|
|
width: '140',
|
|
height: '85',
|
|
preserveAspectRatio: 'meet xMaxYMin',
|
|
'xlink:href': IMAGE_DATA_URL
|
|
});
|
|
|
|
fabric.Image.fromElement(imageEl, function(imgObject) {
|
|
imgObject._removeTransformMatrix(imgObject.parsePreserveAspectRatioAttribute());
|
|
assert.deepEqual(imgObject.get('width'), 14, 'width of an object');
|
|
assert.deepEqual(imgObject.get('height'), 17, 'height of an object');
|
|
assert.deepEqual(imgObject.get('left'), 70, 'left');
|
|
assert.deepEqual(imgObject.get('top'), 0, 'top is moved to stay in center');
|
|
assert.deepEqual(imgObject.get('scaleX'), 5, 'scaleX compensate the width');
|
|
assert.deepEqual(imgObject.get('scaleY'), 5, 'scaleY compensate the height');
|
|
assert.deepEqual(imgObject.getSrc(), IMAGE_DATA_URL, 'src of an object');
|
|
done();
|
|
});
|
|
});
|
|
|
|
QUnit.test('consecutive dataURLs give same result.', function(assert) {
|
|
var done = assert.async();
|
|
createImageObject(function(image) {
|
|
var data1 = image.toDataURL();
|
|
var data2 = image.toDataURL();
|
|
var data3 = image.toDataURL();
|
|
assert.ok(data1 === data2, 'dataurl does not change 1');
|
|
assert.ok(data1 === data3, 'dataurl does not change 2');
|
|
done();
|
|
});
|
|
});
|
|
|
|
QUnit.test('apply filters run isNeutralState implementation of filters', function(assert) {
|
|
var done = assert.async();
|
|
createImageObject(function(image) {
|
|
var run = false;
|
|
image.dirty = false;
|
|
var filter = new fabric.Image.filters.Brightness();
|
|
image.filters = [filter];
|
|
filter.isNeutralState = function() {
|
|
run = true;
|
|
};
|
|
assert.equal(run, false, 'isNeutralState did not run yet');
|
|
image.applyFilters();
|
|
assert.equal(run, true, 'isNeutralState did run');
|
|
done();
|
|
});
|
|
});
|
|
|
|
QUnit.test('apply filters set the image dirty', function(assert) {
|
|
var done = assert.async();
|
|
createImageObject(function(image) {
|
|
image.dirty = false;
|
|
assert.equal(image.dirty, false, 'false apply filter dirty is false');
|
|
image.applyFilters();
|
|
assert.equal(image.dirty, true, 'After apply filter dirty is true');
|
|
done();
|
|
});
|
|
});
|
|
|
|
QUnit.test('apply filters reset _element and _filteredEl', function(assert) {
|
|
var done = assert.async();
|
|
createImageObject(function(image) {
|
|
var contrast = new fabric.Image.filters.Contrast({ contrast: 0.5 });
|
|
image.applyFilters();
|
|
var element = image._element;
|
|
var filtered = image._filteredEl;
|
|
image.filters = [contrast];
|
|
image.applyFilters();
|
|
assert.notEqual(image._element, element, 'image element has changed');
|
|
assert.notEqual(image._filteredEl, filtered, 'image _filteredEl element has changed');
|
|
assert.equal(image._element, image._filteredEl, 'after filtering elements are the same');
|
|
done();
|
|
});
|
|
});
|
|
|
|
QUnit.test('apply filters and resize filter', function(assert) {
|
|
var done = assert.async();
|
|
createImageObject(function(image) {
|
|
var contrast = new fabric.Image.filters.Contrast({ contrast: 0.5 });
|
|
var resizeFilter = new fabric.Image.filters.Resize();
|
|
image.filters = [contrast];
|
|
image.resizeFilter = resizeFilter;
|
|
var element = image._element;
|
|
var filtered = image._filteredEl;
|
|
image.scaleX = 0.4;
|
|
image.scaleY = 0.4;
|
|
image.applyFilters();
|
|
assert.notEqual(image._element, element, 'image element has changed');
|
|
assert.notEqual(image._filteredEl, filtered, 'image _filteredEl element has changed');
|
|
assert.equal(image._element, image._filteredEl, 'after filtering elements are the same');
|
|
image.applyResizeFilters();
|
|
assert.notEqual(image._element, image._filteredEl, 'after resizing the 2 elements differ');
|
|
assert.equal(image._lastScaleX, image.scaleX, 'after resizing we know how much we scaled');
|
|
assert.equal(image._lastScaleY, image.scaleY, 'after resizing we know how much we scaled');
|
|
image.applyFilters();
|
|
assert.equal(image._element, image._filteredEl, 'after filters again the elements changed');
|
|
assert.equal(image._lastScaleX, 1, 'lastScale X is reset');
|
|
assert.equal(image._lastScaleY, 1, 'lastScale Y is reset');
|
|
assert.equal(image._needsResize(), true, 'resizing is needed again');
|
|
done();
|
|
});
|
|
});
|
|
|
|
QUnit.test('apply filters set the image dirty and also the group', function(assert) {
|
|
var done = assert.async();
|
|
createImageObject(function(image) {
|
|
var group = new fabric.Group([image]);
|
|
image.dirty = false;
|
|
group.dirty = false;
|
|
assert.equal(image.dirty, false, 'false apply filter dirty is false');
|
|
assert.equal(group.dirty, false, 'false apply filter dirty is false');
|
|
image.applyFilters();
|
|
assert.equal(image.dirty, true, 'After apply filter dirty is true');
|
|
assert.equal(group.dirty, true, 'After apply filter dirty is true');
|
|
done();
|
|
});
|
|
});
|
|
|
|
QUnit.test('_renderFill respects source boundaries ', function (assert) {
|
|
fabric.Image.prototype._renderFill.call({
|
|
cropX: -1,
|
|
cropY: -1,
|
|
_filterScalingX: 1,
|
|
_filterScalingY: 1,
|
|
width: 300,
|
|
height: 300,
|
|
_element: {
|
|
naturalWidth: 200,
|
|
height: 200,
|
|
},
|
|
}, {
|
|
drawImage: function(src, sX, sY, sW, sH) {
|
|
assert.ok(sX >= 0, 'sX should be positive');
|
|
assert.ok(sY >= 0, 'sY should be positive');
|
|
assert.ok(sW <= 200, 'sW should not be larger than image width');
|
|
assert.ok(sH <= 200, 'sH should not be larger than image height');
|
|
}
|
|
});
|
|
});
|
|
})();
|