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Issue 20748002: Blob creation methods for ImageBitmap. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Add OWNERS file. Created 7 years, 4 months ago
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« no previous file with comments | « no previous file | LayoutTests/fast/canvas/canvas-createImageBitmap-drawImage-expected.txt » ('j') | Source/core/page/ImageBitmap.cpp » ('J')
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1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> 1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
2 <html> 2 <html>
3 <head> 3 <head>
4 <script src="../js/resources/js-test-pre.js"></script> 4 <script src="../js/resources/js-test-pre.js"></script>
5 </head> 5 </head>
6 <body> 6 <body>
7 <script> 7 <script>
8 8
9 description("Ensure correct behavior of drawImage with ImageBitmaps."); 9 description("Ensure correct behavior of drawImage with ImageBitmaps.");
10 window.jsTestIsAsync = true; 10 window.jsTestIsAsync = true;
11 11
12 function jsWrapperClass(node) 12 function jsWrapperClass(node)
13 { 13 {
14 // returns the ClassName of node 14 // returns the ClassName of node
15 if (!node) 15 if (!node)
16 return "[null]"; 16 return "[null]";
17 var string = Object.prototype.toString.apply(node); 17 var string = Object.prototype.toString.apply(node);
18 18
19 // string will be of the form [object ClassName] 19 // string will be of the form [object ClassName]
20 return string.substr(8, string.length - 9); 20 return string.substr(8, string.length - 9);
21 } 21 }
22 22
23 function shouldBeType(expression, className) 23 function shouldBeType(expression, className)
24 { 24 {
25 shouldBe("jsWrapperClass(" + expression + ")", "'" + className + "'"); 25 shouldBe("jsWrapperClass(" + expression + ")", "'" + className + "'");
26 } 26 }
27 27
28 function shouldNotBeCalled() {
29 testFailed("createImageBitmap promise rejected.");
30 finishJSTest();
31 }
32
28 function shouldBeRed(x, y) { 33 function shouldBeRed(x, y) {
29 d = ctx.getImageData(x, y, 1, 1).data; 34 d = ctx.getImageData(x, y, 1, 1).data;
30 shouldBeTrue("d[0] == 255"); 35 shouldBeTrue("d[0] == 255");
31 shouldBeTrue("d[1] == 0"); 36 shouldBeTrue("d[1] == 0");
32 shouldBeTrue("d[2] == 0"); 37 shouldBeTrue("d[2] == 0");
33 shouldBeTrue("d[3] == 255"); 38 shouldBeTrue("d[3] == 255");
34 } 39 }
35 40
36 function shouldBeGreen(x, y) { 41 function shouldBeGreen(x, y) {
37 d = ctx.getImageData(x, y, 1, 1).data; 42 d = ctx.getImageData(x, y, 1, 1).data;
(...skipping 47 matching lines...) Expand 10 before | Expand all | Expand 10 after
85 90
86 var bitmap; 91 var bitmap;
87 var image; 92 var image;
88 var testBitmap; // this is an ImageBitmap that is uncropped. We use this to test createImageBitmap(testBitmap) 93 var testBitmap; // this is an ImageBitmap that is uncropped. We use this to test createImageBitmap(testBitmap)
89 var d; // image.imageData 94 var d; // image.imageData
90 var elements; 95 var elements;
91 96
92 var imageWidth = 20; 97 var imageWidth = 20;
93 var imageHeight = 20; 98 var imageHeight = 20;
94 99
95 // Create auxiliary canvas to draw to and create an image from. 100 // Draw to an auxillary canvas.
96 var aCanvas = document.createElement("canvas"); 101 var aCanvas = document.createElement("canvas");
97 aCanvas.width = imageWidth; 102 aCanvas.width = imageWidth;
98 aCanvas.height = imageHeight; 103 aCanvas.height = imageHeight;
99 var aCtx = aCanvas.getContext("2d"); 104 var aCtx = aCanvas.getContext("2d");
100 drawPattern(aCtx); 105 drawPattern(aCtx);
101 106
102 var canvas = document.createElement("canvas"); 107 var canvas = document.createElement("canvas");
103 canvas.setAttribute("width", "50"); 108 canvas.setAttribute("width", "50");
104 canvas.setAttribute("height", "50"); 109 canvas.setAttribute("height", "50");
105 var ctx = canvas.getContext("2d"); 110 var ctx = canvas.getContext("2d");
106 111
107 image = new Image(); 112 image = new Image();
108 image.onload = imageLoaded; 113 image.onload = imageLoaded;
109 image.src = aCanvas.toDataURL(); // set a data URI of the base64 enconded image as the source 114 image.src = aCanvas.toDataURL();
110 115
111 var imageLoaded = false; 116 var imageLoaded = false;
112 var imageBitmapLoaded = false; 117 var imageBitmapLoaded = false;
118 var blobLoaded = false;
113 119
114 function imageLoaded() { 120 function imageLoaded() {
115 createImageBitmap(image).then(imageBitmapLoadedCallback); 121 createImageBitmap(image).then(imageBitmapLoadedCallback, shouldNotBeCalled);
116 d = aCtx.getImageData(0, 0, 20, 20); 122 d = aCtx.getImageData(0, 0, 20, 20);
117 imageLoaded = true; 123 imageLoaded = true;
118 loaded(); 124 loaded();
119 } 125 }
120 126
121 function imageBitmapLoadedCallback(imageBitmap) { 127 function imageBitmapLoadedCallback(imageBitmap) {
122 testBitmap = imageBitmap; 128 testBitmap = imageBitmap;
123 129
124 shouldBe("testBitmap.width", "imageWidth"); 130 shouldBe("testBitmap.width", "imageWidth");
125 shouldBe("testBitmap.height", "imageHeight"); 131 shouldBe("testBitmap.height", "imageHeight");
126 132
127 // width and height are readonly 133 // width and height are readonly
128 testBitmap.width = 42; 134 testBitmap.width = 42;
129 testBitmap.height = 42; 135 testBitmap.height = 42;
130 shouldBe("testBitmap.width", "imageWidth"); 136 shouldBe("testBitmap.width", "imageWidth");
131 shouldBe("testBitmap.height", "imageHeight"); 137 shouldBe("testBitmap.height", "imageHeight");
132 138
133 imageBitmapLoaded = true; 139 imageBitmapLoaded = true;
134 loaded(); 140 loaded();
135 } 141 }
136 142
143 var xhr = new XMLHttpRequest();
144 xhr.open("GET", 'resources/pattern.png');
145 xhr.responseType = 'blob';
146 xhr.send();
147 xhr.onload = function() {
148 blob = xhr.response;
149 blobLoaded = true;
150 loaded();
151 }
152
137 function loaded() { 153 function loaded() {
138 if (imageLoaded && imageBitmapLoaded) { 154 if (imageLoaded && imageBitmapLoaded && blobLoaded) {
139 // check all of these elements 155 // check all of these elements
140 elements = [image, aCanvas, d, aCtx, testBitmap]; 156 elements = [image, aCanvas, d, aCtx, testBitmap, blob];
141 157
142 // wait for callback to finish before each check to ensure synchronous b ehavior 158 // wait for callback to finish before each check to ensure synchronous b ehavior
143 nextCheck(0); 159 nextCheck(0);
144 } 160 }
145 } 161 }
146 162
147 function nextCheck(elementIndex) { 163 function nextCheck(elementIndex) {
148 if (elementIndex == elements.length) { 164 if (elementIndex == elements.length) {
149 finishJSTest(); 165 finishJSTest();
150 return; 166 return;
(...skipping 14 matching lines...) Expand all
165 checkNoCrop(imageBitmaps.noCrop); 181 checkNoCrop(imageBitmaps.noCrop);
166 checkCrop(imageBitmaps.crop); 182 checkCrop(imageBitmaps.crop);
167 checkCropCenter(imageBitmaps.cropCenter); 183 checkCropCenter(imageBitmaps.cropCenter);
168 checkCropRight(imageBitmaps.cropRight); 184 checkCropRight(imageBitmaps.cropRight);
169 checkOverCrop(imageBitmaps.overCrop); 185 checkOverCrop(imageBitmaps.overCrop);
170 checkOverCropRight(imageBitmaps.overCropRight); 186 checkOverCropRight(imageBitmaps.overCropRight);
171 checkCrop(imageBitmaps.negativeCrop); 187 checkCrop(imageBitmaps.negativeCrop);
172 checkEmpty(imageBitmaps.empty); 188 checkEmpty(imageBitmaps.empty);
173 checkEmpty(imageBitmaps.emptyTwo); 189 checkEmpty(imageBitmaps.emptyTwo);
174 nextCheck(elementIndex + 1); 190 nextCheck(elementIndex + 1);
175 }, function() { 191 }, shouldNotBeCalled);
176 testFailed("createImageBitmap promise rejected.");
177 finishJSTest();
178 });
179 } 192 }
180 193
181 function checkNoCrop(imageBitmap) { 194 function checkNoCrop(imageBitmap) {
182 debug("Check no crop."); 195 debug("Check no crop.");
183 bitmap = imageBitmap; 196 bitmap = imageBitmap;
184 shouldBeType("bitmap", "ImageBitmap"); 197 shouldBeType("bitmap", "ImageBitmap");
185 shouldBe("bitmap.width", "imageWidth"); 198 shouldBe("bitmap.width", "imageWidth");
186 shouldBe("bitmap.height", "imageHeight"); 199 shouldBe("bitmap.height", "imageHeight");
187 200
188 // should be drawn to (0, 0), (20, 20) 201 // should be drawn to (0, 0), (20, 20)
(...skipping 202 matching lines...) Expand 10 before | Expand all | Expand 10 after
391 ctx.drawImage(imageBitmap, 0, 0); 404 ctx.drawImage(imageBitmap, 0, 0);
392 shouldBeClear(1, 1); 405 shouldBeClear(1, 1);
393 shouldBeClear(9, 9); 406 shouldBeClear(9, 9);
394 shouldBeClear(11, 11); 407 shouldBeClear(11, 11);
395 shouldBeClear(22, 22); 408 shouldBeClear(22, 22);
396 } 409 }
397 </script> 410 </script>
398 <script src="../js/resources/js-test-post.js"></script> 411 <script src="../js/resources/js-test-post.js"></script>
399 </body> 412 </body>
400 </html> 413 </html>
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