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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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| 44 #include "core/html/canvas/WebGLContextAttributes.h" | 44 #include "core/html/canvas/WebGLContextAttributes.h" |
| 45 #include "core/html/canvas/WebGLContextEvent.h" | 45 #include "core/html/canvas/WebGLContextEvent.h" |
| 46 #include "core/html/canvas/WebGLRenderingContext.h" | 46 #include "core/html/canvas/WebGLRenderingContext.h" |
| 47 #include "core/rendering/RenderHTMLCanvas.h" | 47 #include "core/rendering/RenderHTMLCanvas.h" |
| 48 #include "core/rendering/RenderLayer.h" | 48 #include "core/rendering/RenderLayer.h" |
| 49 #include "platform/MIMETypeRegistry.h" | 49 #include "platform/MIMETypeRegistry.h" |
| 50 #include "platform/RuntimeEnabledFeatures.h" | 50 #include "platform/RuntimeEnabledFeatures.h" |
| 51 #include "platform/graphics/Canvas2DImageBufferSurface.h" | 51 #include "platform/graphics/Canvas2DImageBufferSurface.h" |
| 52 #include "platform/graphics/GraphicsContextStateSaver.h" | 52 #include "platform/graphics/GraphicsContextStateSaver.h" |
| 53 #include "platform/graphics/ImageBuffer.h" | 53 #include "platform/graphics/ImageBuffer.h" |
| 54 #include "platform/graphics/RecordingImageBufferSurface.h" | |
| 55 #include "platform/graphics/UnacceleratedImageBufferSurface.h" | 54 #include "platform/graphics/UnacceleratedImageBufferSurface.h" |
| 56 #include "platform/graphics/gpu/WebGLImageBufferSurface.h" | 55 #include "platform/graphics/gpu/WebGLImageBufferSurface.h" |
| 57 #include "platform/transforms/AffineTransform.h" | 56 #include "platform/transforms/AffineTransform.h" |
| 58 #include "public/platform/Platform.h" | 57 #include "public/platform/Platform.h" |
| 59 #include <math.h> | 58 #include <math.h> |
| 60 #include <v8.h> | 59 #include <v8.h> |
| 61 | 60 |
| 62 namespace blink { | 61 namespace blink { |
| 63 | 62 |
| 64 // These values come from the WhatWG spec. | 63 // These values come from the WhatWG spec. |
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| 453 } | 452 } |
| 454 | 453 |
| 455 PassOwnPtr<ImageBufferSurface> HTMLCanvasElement::createImageBufferSurface(const
IntSize& deviceSize, int* msaaSampleCount) | 454 PassOwnPtr<ImageBufferSurface> HTMLCanvasElement::createImageBufferSurface(const
IntSize& deviceSize, int* msaaSampleCount) |
| 456 { | 455 { |
| 457 OpacityMode opacityMode = !m_context || m_context->hasAlpha() ? NonOpaque :
Opaque; | 456 OpacityMode opacityMode = !m_context || m_context->hasAlpha() ? NonOpaque :
Opaque; |
| 458 | 457 |
| 459 *msaaSampleCount = 0; | 458 *msaaSampleCount = 0; |
| 460 if (is3D()) | 459 if (is3D()) |
| 461 return adoptPtr(new WebGLImageBufferSurface(size(), opacityMode)); | 460 return adoptPtr(new WebGLImageBufferSurface(size(), opacityMode)); |
| 462 | 461 |
| 463 if (RuntimeEnabledFeatures::displayList2dCanvasEnabled()) { | |
| 464 OwnPtr<ImageBufferSurface> surface = adoptPtr(new RecordingImageBufferSu
rface(size(), opacityMode)); | |
| 465 if (surface->isValid()) | |
| 466 return surface.release(); | |
| 467 } | |
| 468 | |
| 469 if (shouldAccelerate(deviceSize)) { | 462 if (shouldAccelerate(deviceSize)) { |
| 470 if (document().settings()) | 463 if (document().settings()) |
| 471 *msaaSampleCount = document().settings()->accelerated2dCanvasMSAASam
pleCount(); | 464 *msaaSampleCount = document().settings()->accelerated2dCanvasMSAASam
pleCount(); |
| 472 OwnPtr<ImageBufferSurface> surface = adoptPtr(new Canvas2DImageBufferSur
face(size(), opacityMode, *msaaSampleCount)); | 465 OwnPtr<ImageBufferSurface> surface = adoptPtr(new Canvas2DImageBufferSur
face(size(), opacityMode, *msaaSampleCount)); |
| 473 if (surface->isValid()) | 466 if (surface->isValid()) |
| 474 return surface.release(); | 467 return surface.release(); |
| 475 } | 468 } |
| 476 | 469 |
| 477 return adoptPtr(new UnacceleratedImageBufferSurface(size(), opacityMode)); | 470 return adoptPtr(new UnacceleratedImageBufferSurface(size(), opacityMode)); |
| 478 } | 471 } |
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| 715 } | 708 } |
| 716 return m_imageBuffer->copyImage(DontCopyBackingStore, Unscaled); | 709 return m_imageBuffer->copyImage(DontCopyBackingStore, Unscaled); |
| 717 } | 710 } |
| 718 | 711 |
| 719 FloatSize HTMLCanvasElement::sourceSize() const | 712 FloatSize HTMLCanvasElement::sourceSize() const |
| 720 { | 713 { |
| 721 return FloatSize(width(), height()); | 714 return FloatSize(width(), height()); |
| 722 } | 715 } |
| 723 | 716 |
| 724 } | 717 } |
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