LayoutTests/fast/canvas/canvas-createImageBitmap-drawImage.html - Issue 19393004: Allow eviction of ImageBitmaps that are created from ImageElements.

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Issue 19393004: Allow eviction of ImageBitmaps that are created from ImageElements. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Decrease canvas size for recursive test. Created 7 years, 5 months ago

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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;

(...skipping 123 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
134 imageBitmapLoaded = true;	134 imageBitmapLoaded = true;

135 loaded();	135 loaded();

136 }	136 }

137	137

138 function loaded() {	138 function loaded() {

139 if (imageLoaded && imageBitmapLoaded) {	139 if (imageLoaded && imageBitmapLoaded) {

140 // check all of these elements	140 // check all of these elements

141 elements = [image, aCanvas, d, aCtx, testBitmap];	141 elements = [image, aCanvas, d, aCtx, testBitmap];

142	142

143 // with all of these checks	143 // with all of these checks

144 checks = [checkNoCrop, checkCrop, checkCropRight, checkOverCrop, checkOv erCropRight, checkNegativeCrop, checkEmpty, checkEmpty2, checkImmutable];	144 checks = [checkNoCrop, checkCrop, checkCropRight, checkOverCrop, checkOv erCropRight, checkNegativeCrop, checkEmpty, checkEmpty2];

145	145

146 // wait for callback to finish before each check to ensure synchronous b ehavior	146 // wait for callback to finish before each check to ensure synchronous b ehavior

147 nextCheck();	147 nextCheck();

148 }	148 }

149 }	149 }

150	150

151 // these counters are incremented after every check	151 // these counters are incremented after every check

152 var i = 0;	152 var i = 0;

153 var j = 0;	153 var j = 0;

154 var callbackCount = 0;	154 var callbackCount = 0;

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195 function checkEmpty(element) {	195 function checkEmpty(element) {

196 debug("checkEmpty with ".concat(jsWrapperClass(element)));	196 debug("checkEmpty with ".concat(jsWrapperClass(element)));

197 createImageBitmap(element, callbackEmpty, -30, -30, 30, 30);	197 createImageBitmap(element, callbackEmpty, -30, -30, 30, 30);

198 }	198 }

199	199

200 function checkEmpty2(element) {	200 function checkEmpty2(element) {

201 debug("checkEmpty2 with ".concat(jsWrapperClass(element)));	201 debug("checkEmpty2 with ".concat(jsWrapperClass(element)));

202 createImageBitmap(element, callbackEmpty, 40, 30, 30, 30);	202 createImageBitmap(element, callbackEmpty, 40, 30, 30, 30);

203 }	203 }

204	204

205 function checkImmutable(element) {

206 debug("checkImmutable with ".concat(jsWrapperClass(element)));

207 createImageBitmap(element, callbackImmutable);

208 }

209

210 function callbackNoCrop(imageBitmap) {	205 function callbackNoCrop(imageBitmap) {

211 bitmap = imageBitmap;	206 bitmap = imageBitmap;

212 shouldBe("bitmap.width", "imageWidth");	207 shouldBe("bitmap.width", "imageWidth");

213 shouldBe("bitmap.height", "imageHeight");	208 shouldBe("bitmap.height", "imageHeight");

214	209

215 // should be drawn to (0, 0), (20, 20)	210 // should be drawn to (0, 0), (20, 20)

216 clearContext(ctx);	211 clearContext(ctx);

217 ctx.drawImage(imageBitmap, 0, 0);	212 ctx.drawImage(imageBitmap, 0, 0);

218 shouldBeRed(9, 9);	213 shouldBeRed(9, 9);

219 shouldBeGreen(11, 9);	214 shouldBeGreen(11, 9);

(...skipping 198 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
418 clearContext(ctx);	413 clearContext(ctx);

419 ctx.drawImage(imageBitmap, 0, 0);	414 ctx.drawImage(imageBitmap, 0, 0);

420 shouldBeClear(1, 1);	415 shouldBeClear(1, 1);

421 shouldBeClear(9, 9);	416 shouldBeClear(9, 9);

422 shouldBeClear(11, 11);	417 shouldBeClear(11, 11);

423 shouldBeClear(22, 22);	418 shouldBeClear(22, 22);

424	419

425 commonCallback(imageBitmap);	420 commonCallback(imageBitmap);

426 }	421 }

427	422

428 function callbackImmutable(imageBitmap) {

429 // change the underlying element to ensure that it does not change the image Bitmap

430 switch(i) {

431 case 0: // image

432 image = new Image();

433 break;

434 case 1: // canvas

435 clearContext(aCtx);

436 break;

437 case 2: // data

438 d = 0;

439 break;

440 case 3: // context

441 clearContext(aCtx);

442 break;

443 case 4: // bitmap

444 testBitmap = 0;

445 break;

446 default:

447 testFailed("Default should not be called.");

448 }

449 // should be drawn to (0, 0), (20, 20)

450 callbackNoCrop(imageBitmap);

451

452 // we potentially cleared our auxillary context, so redraw the image

453 drawPattern(aCtx);

454 }

455

456 function commonCallback(imageBitmap) {	423 function commonCallback(imageBitmap) {

457 bitmap = imageBitmap;	424 bitmap = imageBitmap;

458 shouldBeType("bitmap", "ImageBitmap");	425 shouldBeType("bitmap", "ImageBitmap");

459	426

460 callbackCount += 1;	427 callbackCount += 1;

461	428

462 if (callbackCount < elements.length * checks.length) {	429 if (callbackCount < elements.length * checks.length) {

463 ++j;	430 ++j;

464 if(j == checks.length) {	431 if(j == checks.length) {

465 // completed all the checks for the ith element	432 // completed all the checks for the ith element

466 j = 0;	433 j = 0;

467 ++i;	434 ++i;

468 }	435 }

469 nextCheck();	436 nextCheck();

470 } else {	437 } else {

471 finishJSTest();	438 finishJSTest();

472 }	439 }

473 }	440 }

474	441

475 </script>	442 </script>

476 <script src="../js/resources/js-test-post.js"></script>	443 <script src="../js/resources/js-test-post.js"></script>

477 </body>	444 </body>

478 </html>	445 </html>

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