summaryrefslogtreecommitdiffstats
path: root/dom/canvas/test/test_imagebitmap.html
blob: 7a68db08df07126b549d2dba766a43b305ce5331 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
<!DOCTYPE HTML>
<title>Test ImageBitmap</title>
<meta charset="utf-8">
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<body>

<img src="image_anim-gr.gif" id="image" class="resource">
<video width="320" height="240" src="http://example.com/tests/dom/canvas/test/crossorigin/video.sjs?name=tests/dom/canvas/test/320x240.ogv&type=video/ogg&cors=anonymous" id="video" crossOrigin="anonymous" autoplay></video>

<canvas id="c1" class="output" width="128" height="128"></canvas>
<canvas id="c2" width="128" height="128"></canvas>

<script src="imagebitmap_bug1239300.js"></script>
<script src="imagebitmap_bug1239752.js"></script>
<script type="text/javascript">

SimpleTest.waitForExplicitFinish();

/**
 * [isPixel description]
 * @param  {[type]}  ctx : canvas context
 * @param  {[type]}  x   : pixel x coordinate
 * @param  {[type]}  y   : pixel y coordinate
 * @param  {[type]}  c   : a rgba color code
 * @param  {[type]}  d   : error duration
 * @return {Promise}
 */
function isPixel(ctx, x, y, c, d) {
  var pos = x + "," + y;
  var color = c[0] + "," + c[1] + "," + c[2] + "," + c[3];
  var pixel = ctx.getImageData(x, y, 1, 1);
  var pr = pixel.data[0],
      pg = pixel.data[1],
      pb = pixel.data[2],
      pa = pixel.data[3];
  ok(c[0]-d <= pr && pr <= c[0]+d &&
     c[1]-d <= pg && pg <= c[1]+d &&
     c[2]-d <= pb && pb <= c[2]+d &&
     c[3]-d <= pa && pa <= c[3]+d,
     "pixel "+pos+" of "+ctx.canvas.id+" is "+pr+","+pg+","+pb+","+pa+"; expected "+color+" +/- "+d);
}

var TEST_BITMAPS = [
    {'rect': [0, 0, 128, 128],        'draw': [0, 0, 64, 64, 0, 0, 64, 64],       'test': [[0,    0,    [255, 0, 0, 255], 5]]},
    {'rect': [128, 0, 128, 128],      'draw': [0, 0, 64, 64, 0, 0, 64, 64],       'test': [[0,    0,    [0, 255, 0, 255], 5]]},
    {'rect': [230, 230, 128, 128],    'draw': [0, 0, 128, 128, 0, 0, 128, 128],   'test': [[0,    0,    [255, 0, 0, 255], 5],
                                                                                           [100,  100,  [0, 0, 0, 0],     5]]},
    {'rect': [-64, -64, 512, 512],    'draw': [0, 0, 128, 128, 0, 0, 128, 128],   'test': [[0,    0,    [0, 0, 0, 0],     5],
                                                                                           [100,  100,  [255, 0, 0, 255], 5]]},
    {'rect': [128, 128, -128, -128],  'draw': [0, 0, 128, 128, 0, 0, 128, 128],   'test': [[0,    0,    [255, 0, 0, 255], 5]]},
    {'rect': [0, 0, 256, 256],        'draw': [0, 128, 128, 128, 0, 0, 128, 128], 'test': [[0,    0,    [0, 255, 0, 255], 5]]},
];

var canvas, ctx, ctx2, completedImage;

function failed(ex) {
  ok(false, "Promise failure: " + ex);
}

function testDraw() {
  var resolver, bitmaps = [], image = new Image();

  image.src = 'image_rgrg-256x256.png';
  var promise = new Promise(function (arg) { resolver = arg; });

  function createBitmap(def) {
    return createImageBitmap(image, def.rect[0], def.rect[1], def.rect[2], def.rect[3])
      .then(function (bitmap) { def.bitmap = bitmap; }, failed);
  };

  image.onload = function() {
    completedImage = image;
    resolver(Promise.all(TEST_BITMAPS.map(createBitmap)));
  };

  function testPixel(test) {
    isPixel(ctx, test[0], test[1], test[2], test[3]);
  };

  return promise.then(function() {
    TEST_BITMAPS.forEach(function (test) {
      if (!test.bitmap) { return; }
      ctx.clearRect(0, 0, canvas.width, canvas.height);
      ctx.drawImage(test.bitmap, test.draw[0], test.draw[1], test.draw[2], test.draw[3], test.draw[4], test.draw[5], test.draw[6], test.draw[7]);
      test.test.forEach(testPixel);
      is(test.bitmap.width, Math.abs(test.rect[2]), "Bitmap has correct width " + test.bitmap.width);
      is(test.bitmap.height, Math.abs(test.rect[3]), "Bitmap has correct height " + test.bitmap.height);
    });
  });
}

function testSources() {
  ctx.fillStyle="#00FF00";
  ctx.fillRect(0, 0, 128, 128);

  function check(bitmap) {
    ctx2.clearRect(0, 0, 128, 128);
    ctx2.drawImage(bitmap, 0, 0);
    isPixel(ctx2, 0, 0, [0, 255, 0, 255], 5);
  };

  function getPNGBlobBitmapPromise() {
    return new Promise(function(resolve, reject) {
      canvas.toBlob(function(blob) {
        resolve(createImageBitmap(blob));
      })
    });
  }

  function getJPGBlobBitmapPromise() {
    return new Promise(function(resolve, reject) {
      canvas.toBlob(function(blob) {
        resolve(createImageBitmap(blob));
      }, "image/jpeg", 0.95)
    });
  }

  return Promise.all([
    createImageBitmap(document.getElementById('image')).then(check, failed),                                         // HTMLImageElement
    createImageBitmap(ctx).then(check, failed),                                                                      // CanvasRenderingContext2D
    createImageBitmap(canvas).then(check, failed),                                                                   // HTMLCanvasElement
    createImageBitmap(ctx).then(function (bitmap) { return createImageBitmap(bitmap).then(check, failed); }, failed), // ImageBitmap
    createImageBitmap(document.getElementById('video'), 140, 0, 20, 20).then(check, failed),                         // HTMLVideoElement
    createImageBitmap(ctx.getImageData(0, 0, 128, 128)).then(check, failed),                                          // ImageData
    getPNGBlobBitmapPromise().then(check, failed),                                                                   // PNG blob
    getJPGBlobBitmapPromise().then(check, failed),                                                                   // JPEG blob
  ]);
}

function promiseThrows(p, name) {
  var didThrow;
  return p.then(function() { didThrow = false; },
                function() { didThrow = true; })
          .then(function() { ok(didThrow, name); });
}

function testExceptions() {

  function createImageBitmapWithNeuturedImageData() {
    return new Promise(function(resolve, reject) {
      var tempImage = document.createElement('img');
      tempImage.src = 'image_rgrg-256x256.png';
      tempImage.onload = function() {
        var tempCanvas = document.createElement('canvas');
        var tempCtx = tempCanvas.getContext('2d');
        tempCanvas.with = tempImage.naturalWidth;
        tempCanvas.height = tempImage.naturalHeight;
        tempCtx.drawImage(tempImage, 0, 0);
        var tempWorker = new Worker("test_imagebitmap_on_worker.js");
        var imageData = tempCtx.getImageData(0, 0, tempImage.naturalWidth, tempImage.naturalHeight);
        tempWorker.postMessage(imageData.data.buffer, [imageData.data.buffer]);
        tempWorker.terminate();

        ok(!imageData.data.length, "Get a neutured ImageData.");
        resolve(createImageBitmap(imageData));
      }
    });
  }

  function createImageBitmapWithCorruptedBlob() {
    return new Promise(function(resolve, reject) {
      var xhr = new XMLHttpRequest();
      xhr.open("GET", "image_error-early.png");
      xhr.responseType = "blob";//force the HTTP response, response-type header to be blob
      xhr.onload = function()
      {
        ok(xhr.response, "Get a corrupted blob");
        resolve(createImageBitmap(xhr.response));
      }
      xhr.send();
    });
  }

  function createImageBitmapWithNonImageFile() {
    return new Promise(function(resolve, reject) {
      var xhr = new XMLHttpRequest();
      xhr.open("GET", "test_imagebitmap_on_worker.js");
      xhr.responseType = "blob";//force the HTTP response, response-type header to be blob
      xhr.onload = function()
      {
        ok(xhr.response, "Get a non-image blob");
        resolve(createImageBitmap(xhr.response));
      }
      xhr.send();
    });
  }

  return Promise.all([
    promiseThrows(createImageBitmap(new Image()), 'createImageBitmap should throw with unloaded image'),
    promiseThrows(createImageBitmap(completedImage, 0, 0, 0, 0), 'createImageBitmap should throw with 0 width/height'),
    promiseThrows(createImageBitmap(null), 'createImageBitmap should throw with null source'),
    promiseThrows(createImageBitmapWithNeuturedImageData(), "createImageBitmap should throw with neutured ImageData"),
    promiseThrows(createImageBitmapWithCorruptedBlob(), "createImageBitmap should throw with corrupted blob"),
    promiseThrows(createImageBitmapWithNonImageFile(), "createImageBitmap should throw with non-image blob"),
  ]);
}

function testSecurityErrors() {

  function getUncleanImagePromise() {
    return new Promise(function(resolve, reject) {
      var uncleanImage = document.createElement('img');

      uncleanImage.onload = function() {
        resolve(createImageBitmap(uncleanImage));
      }

      uncleanImage.onerror = function() {
        reject();
      }

      uncleanImage.src = "http://example.com/tests/dom/canvas/test/crossorigin/image.png";
    });
  }

  function getUncleanVideoPromise() {
    return new Promise(function(resolve, reject) {
      var uncleanVideo = document.createElement('video');

      uncleanVideo.onloadeddata = function() {
        resolve(createImageBitmap(uncleanVideo));
      }

      uncleanVideo.onerror = function() {
        reject();
      }

      uncleanVideo.src = "http://example.com/tests/dom/canvas/test/crossorigin/video.sjs?name=tests/dom/canvas/test/320x240.ogv&type=video/ogg";
      uncleanVideo.play();
    });
  }

  function getTaintedCanvasPromise() {
    return new Promise(function(resolve, reject) {
      var uncleanImage = document.createElement('img');

      uncleanImage.onload = function() {
        var taintedCanvas = document.createElement('canvas');
        var taintedCtx = taintedCanvas.getContext('2d');
        taintedCtx.drawImage(uncleanImage, 0, 0);
        resolve(createImageBitmap(taintedCanvas));
      }

      uncleanImage.onerror = function() {
        reject();
      }

      uncleanImage.src = "http://example.com/tests/dom/canvas/test/crossorigin/image.png";
    });
  }

  function getTaintedCanvasRenderingContex2dPromise() {
    return new Promise(function(resolve, reject) {
      var uncleanImage = document.createElement('img');

      uncleanImage.onload = function() {
        var taintedCanvas = document.createElement('canvas');
        var taintedCtx = taintedCanvas.getContext('2d');
        taintedCtx.drawImage(uncleanImage, 0, 0);
        resolve(createImageBitmap(taintedCtx));
      }

      uncleanImage.onerror = function() {
        reject();
      }

      uncleanImage.src = "http://example.com/tests/dom/canvas/test/crossorigin/image.png";
    });
  }

  function checkPromiseFailedWithSecurityError(p) {
    return p.then(imageBitmap => {
      ok(!!imageBitmap, "ImageBitmaps are always created");
      const context = document.createElement("canvas").getContext("2d");
      context.drawImage(imageBitmap, 0, 0);
      try {
        context.getImageData(0, 0, 1, 1);
        ok(false, "Did not get SecurityError with unclean source. ImageBitmap was created successfully.");
      } catch (ex) {
        if (ex == "SecurityError: The operation is insecure.") {
          ok(true, ex.message);
        }
        else {
          ok(false, "Did not get SecurityError with unclean source. Error Message: " + ex.message);
        }
      }
    });
  }

  return Promise.all([
    checkPromiseFailedWithSecurityError(getUncleanImagePromise()),
    checkPromiseFailedWithSecurityError(getUncleanVideoPromise()),
    checkPromiseFailedWithSecurityError(getTaintedCanvasPromise()),
    checkPromiseFailedWithSecurityError(getTaintedCanvasRenderingContex2dPromise()),
  ]);
}

function testCreatePattern() {
  var resolve;
  var promise = new Promise(function (arg) { resolve = arg; });

  var TEST_PATTERN = [
    [0,   0,   [255, 0, 0, 255], 1],
    [128, 128, [255, 0, 0, 255], 1],
    [256, 256, [255, 0, 0, 255], 1],
    [384, 0,   [0, 255, 0, 255], 1],
    [0,   384, [0, 255, 0, 255], 1],
  ];

  var patternCanvas = document.createElement('canvas');
  patternCanvas.width = "512";
  patternCanvas.height = "512";
  var patternCtx = patternCanvas.getContext('2d');

  var image = new Image();
  image.src = 'image_rgrg-256x256.png';
  image.onload = function() {
    var p = createImageBitmap(image);
    p.then(function(bitmap) {
      patternCtx.rect(0, 0, 512, 512);
      patternCtx.fillStyle = patternCtx.createPattern(bitmap, "repeat");
      patternCtx.fill();
      document.body.appendChild(patternCanvas);
    });
    resolve(p);
  }

  return promise.then(function() {
    TEST_PATTERN.forEach(function(test) {
      isPixel(patternCtx, test[0], test[1], test[2], test[3]);
    });
  });
}


function runTests() {
  canvas = document.getElementById('c1');
  ctx = canvas.getContext('2d');
  ctx2 = document.getElementById('c2').getContext('2d');

  testDraw()
    .then(testCreatePattern)
    .then(testSources)
    .then(testExceptions)
    .then(testSecurityErrors)
    .then(testBug1239300)
    .then(testBug1239752)
    .then(SimpleTest.finish, function(ev) { failed(ev); SimpleTest.finish(); });
}

addLoadEvent(runTests);

</script>
</body>