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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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475 m_didFailToCreateImageBuffer = false; | 475 m_didFailToCreateImageBuffer = false; |
476 | 476 |
477 updateExternallyAllocatedMemory(); | 477 updateExternallyAllocatedMemory(); |
478 | 478 |
479 if (is3D()) { | 479 if (is3D()) { |
480 // Early out for WebGL canvases | 480 // Early out for WebGL canvases |
481 return; | 481 return; |
482 } | 482 } |
483 | 483 |
484 m_imageBuffer->context()->setShouldClampToSourceRect(false); | 484 m_imageBuffer->context()->setShouldClampToSourceRect(false); |
| 485 m_imageBuffer->context()->disableAntialiasingOptimizationForHairlineImages()
; |
485 m_imageBuffer->context()->setImageInterpolationQuality(CanvasDefaultInterpol
ationQuality); | 486 m_imageBuffer->context()->setImageInterpolationQuality(CanvasDefaultInterpol
ationQuality); |
486 // Enabling MSAA overrides a request to disable antialiasing. This is true r
egardless of whether the | 487 // Enabling MSAA overrides a request to disable antialiasing. This is true r
egardless of whether the |
487 // rendering mode is accelerated or not. For consistency, we don't want to a
pply AA in accelerated | 488 // rendering mode is accelerated or not. For consistency, we don't want to a
pply AA in accelerated |
488 // canvases but not in unaccelerated canvases. | 489 // canvases but not in unaccelerated canvases. |
489 if (!msaaSampleCount && document().settings() && !document().settings()->ant
ialiased2dCanvasEnabled()) | 490 if (!msaaSampleCount && document().settings() && !document().settings()->ant
ialiased2dCanvasEnabled()) |
490 m_imageBuffer->context()->setShouldAntialias(false); | 491 m_imageBuffer->context()->setShouldAntialias(false); |
491 // GraphicsContext's defaults don't always agree with the 2d canvas spec. | 492 // GraphicsContext's defaults don't always agree with the 2d canvas spec. |
492 // See CanvasRenderingContext2D::State::State() for more information. | 493 // See CanvasRenderingContext2D::State::State() for more information. |
493 m_imageBuffer->context()->setMiterLimit(10); | 494 m_imageBuffer->context()->setMiterLimit(10); |
494 m_imageBuffer->context()->setStrokeThickness(1); | 495 m_imageBuffer->context()->setStrokeThickness(1); |
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653 { | 654 { |
654 return !originClean(); | 655 return !originClean(); |
655 } | 656 } |
656 | 657 |
657 FloatSize HTMLCanvasElement::sourceSize() const | 658 FloatSize HTMLCanvasElement::sourceSize() const |
658 { | 659 { |
659 return FloatSize(width(), height()); | 660 return FloatSize(width(), height()); |
660 } | 661 } |
661 | 662 |
662 } | 663 } |
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