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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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462 RefPtrWillBeRawPtr<ImageData> imageData = | 462 RefPtrWillBeRawPtr<ImageData> imageData = |
463 toWebGLRenderingContext(m_context.get())->paintRenderingResultsToIma geData(sourceBuffer); | 463 toWebGLRenderingContext(m_context.get())->paintRenderingResultsToIma geData(sourceBuffer); |
464 if (imageData) | 464 if (imageData) |
465 return ImageDataBuffer(imageData->size(), imageData->data()->data()) .toDataURL(encodingMimeType, quality); | 465 return ImageDataBuffer(imageData->size(), imageData->data()->data()) .toDataURL(encodingMimeType, quality); |
466 m_context->paintRenderingResultsToCanvas(sourceBuffer); | 466 m_context->paintRenderingResultsToCanvas(sourceBuffer); |
467 } | 467 } |
468 | 468 |
469 return buffer()->toDataURL(encodingMimeType, quality); | 469 return buffer()->toDataURL(encodingMimeType, quality); |
470 } | 470 } |
471 | 471 |
472 String HTMLCanvasElement::toDataURL(const String& mimeType, const double* qualit y, ExceptionState& exceptionState) const | 472 String HTMLCanvasElement::toDataURL(const String& mimeType, const ScriptValue& q ualityArgument, ExceptionState& exceptionState) const |
473 { | 473 { |
474 if (!originClean()) { | 474 if (!originClean()) { |
475 exceptionState.throwSecurityError("Tainted canvases may not be exported. "); | 475 exceptionState.throwSecurityError("Tainted canvases may not be exported. "); |
476 return String(); | 476 return String(); |
477 } | 477 } |
478 | 478 double quality; |
479 return toDataURLInternal(mimeType, quality, BackBuffer); | 479 double* qualityPtr = nullptr; |
480 if (!qualityArgument.isEmpty()) { | |
481 v8::Local<v8::Value> v8Value = qualityArgument.v8Value(); | |
482 if (v8Value->IsNumber()) { | |
483 quality = v8Value.As<v8::Number>()->Value(); | |
Jens Widell
2015/02/11 15:13:08
quality = v8Value->NumberValue();
| |
484 qualityPtr = &quality; | |
485 } | |
486 } | |
487 return toDataURLInternal(mimeType, qualityPtr, BackBuffer); | |
480 } | 488 } |
481 | 489 |
482 SecurityOrigin* HTMLCanvasElement::securityOrigin() const | 490 SecurityOrigin* HTMLCanvasElement::securityOrigin() const |
483 { | 491 { |
484 return document().securityOrigin(); | 492 return document().securityOrigin(); |
485 } | 493 } |
486 | 494 |
487 bool HTMLCanvasElement::originClean() const | 495 bool HTMLCanvasElement::originClean() const |
488 { | 496 { |
489 if (document().settings() && document().settings()->disableReadingFromCanvas ()) | 497 if (document().settings() && document().settings()->disableReadingFromCanvas ()) |
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849 { | 857 { |
850 return !originClean(); | 858 return !originClean(); |
851 } | 859 } |
852 | 860 |
853 FloatSize HTMLCanvasElement::sourceSize() const | 861 FloatSize HTMLCanvasElement::sourceSize() const |
854 { | 862 { |
855 return FloatSize(width(), height()); | 863 return FloatSize(width(), height()); |
856 } | 864 } |
857 | 865 |
858 } | 866 } |
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