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1 /* | 1 /* |
2 * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved. | 2 * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved. |
3 * Copyright (C) 2007 Alp Toker <alp@atoker.com> | 3 * Copyright (C) 2007 Alp Toker <alp@atoker.com> |
4 * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved. | 4 * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved. |
5 * | 5 * |
6 * Redistribution and use in source and binary forms, with or without | 6 * Redistribution and use in source and binary forms, with or without |
7 * modification, are permitted provided that the following conditions | 7 * modification, are permitted provided that the following conditions |
8 * are met: | 8 * are met: |
9 * 1. Redistributions of source code must retain the above copyright | 9 * 1. Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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678 exceptionState.throwSecurityError("Tainted canvases may not be exported.
"); | 678 exceptionState.throwSecurityError("Tainted canvases may not be exported.
"); |
679 return; | 679 return; |
680 } | 680 } |
681 | 681 |
682 if (!isPaintable()) { | 682 if (!isPaintable()) { |
683 // If the canvas element's bitmap has no pixels | 683 // If the canvas element's bitmap has no pixels |
684 Platform::current()->mainThread()->getWebTaskRunner()->postTask(BLINK_FR
OM_HERE, bind(&BlobCallback::handleEvent, wrapPersistent(callback), nullptr)); | 684 Platform::current()->mainThread()->getWebTaskRunner()->postTask(BLINK_FR
OM_HERE, bind(&BlobCallback::handleEvent, wrapPersistent(callback), nullptr)); |
685 return; | 685 return; |
686 } | 686 } |
687 | 687 |
| 688 double startTime = WTF::monotonicallyIncreasingTime(); |
688 double quality = UndefinedQualityValue; | 689 double quality = UndefinedQualityValue; |
689 if (!qualityArgument.isEmpty()) { | 690 if (!qualityArgument.isEmpty()) { |
690 v8::Local<v8::Value> v8Value = qualityArgument.v8Value(); | 691 v8::Local<v8::Value> v8Value = qualityArgument.v8Value(); |
691 if (v8Value->IsNumber()) { | 692 if (v8Value->IsNumber()) { |
692 quality = v8Value.As<v8::Number>()->Value(); | 693 quality = v8Value.As<v8::Number>()->Value(); |
693 } | 694 } |
694 } | 695 } |
695 | 696 |
696 String encodingMimeType = toEncodingMimeType(mimeType, EncodeReasonToBlobCal
lback); | 697 String encodingMimeType = toEncodingMimeType(mimeType, EncodeReasonToBlobCal
lback); |
697 | 698 |
698 ImageData* imageData = toImageData(BackBuffer, SnapshotReasonToBlob); | 699 ImageData* imageData = toImageData(BackBuffer, SnapshotReasonToBlob); |
699 | 700 |
700 CanvasAsyncBlobCreator* asyncCreator = CanvasAsyncBlobCreator::create(imageD
ata->data(), encodingMimeType, imageData->size(), callback); | 701 CanvasAsyncBlobCreator* asyncCreator = CanvasAsyncBlobCreator::create(imageD
ata->data(), encodingMimeType, imageData->size(), callback, startTime); |
701 | 702 |
702 bool useIdlePeriodScheduling = (encodingMimeType != "image/webp"); | 703 bool useIdlePeriodScheduling = (encodingMimeType != "image/webp"); |
703 asyncCreator->scheduleAsyncBlobCreation(useIdlePeriodScheduling, quality); | 704 asyncCreator->scheduleAsyncBlobCreation(useIdlePeriodScheduling, quality); |
704 } | 705 } |
705 | 706 |
706 void HTMLCanvasElement::addListener(CanvasDrawListener* listener) | 707 void HTMLCanvasElement::addListener(CanvasDrawListener* listener) |
707 { | 708 { |
708 m_listeners.add(listener); | 709 m_listeners.add(listener); |
709 } | 710 } |
710 | 711 |
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1194 | 1195 |
1195 bool HTMLCanvasElement::createSurfaceLayer() | 1196 bool HTMLCanvasElement::createSurfaceLayer() |
1196 { | 1197 { |
1197 DCHECK(!m_surfaceLayerBridge); | 1198 DCHECK(!m_surfaceLayerBridge); |
1198 std::unique_ptr<CanvasSurfaceLayerBridgeClient> bridgeClient = wrapUnique(ne
w CanvasSurfaceLayerBridgeClientImpl()); | 1199 std::unique_ptr<CanvasSurfaceLayerBridgeClient> bridgeClient = wrapUnique(ne
w CanvasSurfaceLayerBridgeClientImpl()); |
1199 m_surfaceLayerBridge = wrapUnique(new CanvasSurfaceLayerBridge(std::move(bri
dgeClient))); | 1200 m_surfaceLayerBridge = wrapUnique(new CanvasSurfaceLayerBridge(std::move(bri
dgeClient))); |
1200 return m_surfaceLayerBridge->createSurfaceLayer(this->width(), this->height(
)); | 1201 return m_surfaceLayerBridge->createSurfaceLayer(this->width(), this->height(
)); |
1201 } | 1202 } |
1202 | 1203 |
1203 } // namespace blink | 1204 } // namespace blink |
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