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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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328 | 328 |
329 void HTMLCanvasElement::restoreCanvasMatrixClipStack(SkCanvas* canvas) const | 329 void HTMLCanvasElement::restoreCanvasMatrixClipStack(SkCanvas* canvas) const |
330 { | 330 { |
331 if (m_context) | 331 if (m_context) |
332 m_context->restoreCanvasMatrixClipStack(canvas); | 332 m_context->restoreCanvasMatrixClipStack(canvas); |
333 } | 333 } |
334 | 334 |
335 void HTMLCanvasElement::doDeferredPaintInvalidation() | 335 void HTMLCanvasElement::doDeferredPaintInvalidation() |
336 { | 336 { |
337 ASSERT(!m_dirtyRect.isEmpty()); | 337 ASSERT(!m_dirtyRect.isEmpty()); |
338 if (is3D()) { | 338 if (!m_context->is2d()) { |
339 didFinalizeFrame(); | 339 didFinalizeFrame(); |
340 } else { | 340 } else { |
341 ASSERT(hasImageBuffer()); | 341 ASSERT(hasImageBuffer()); |
342 FloatRect srcRect(0, 0, size().width(), size().height()); | 342 FloatRect srcRect(0, 0, size().width(), size().height()); |
343 m_dirtyRect.intersect(srcRect); | 343 m_dirtyRect.intersect(srcRect); |
344 LayoutBox* lb = layoutBox(); | 344 LayoutBox* lb = layoutBox(); |
345 if (lb) { | 345 if (lb) { |
346 FloatRect mappedDirtyRect = mapRect(m_dirtyRect, srcRect, FloatRect(
lb->contentBoxRect())); | 346 FloatRect mappedDirtyRect = mapRect(m_dirtyRect, srcRect, FloatRect(
lb->contentBoxRect())); |
347 if (m_context->isAccelerated()) { | 347 if (m_context->isAccelerated()) { |
348 // Accelerated 2D canvases need the dirty rect to be expressed r
elative to the | 348 // Accelerated 2D canvases need the dirty rect to be expressed r
elative to the |
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454 } | 454 } |
455 | 455 |
456 void HTMLCanvasElement::paint(GraphicsContext& context, const LayoutRect& r) | 456 void HTMLCanvasElement::paint(GraphicsContext& context, const LayoutRect& r) |
457 { | 457 { |
458 // FIXME: crbug.com/438240; there is a bug with the new CSS blending and com
positing feature. | 458 // FIXME: crbug.com/438240; there is a bug with the new CSS blending and com
positing feature. |
459 if (!m_context) | 459 if (!m_context) |
460 return; | 460 return; |
461 if (!paintsIntoCanvasBuffer() && !document().printing()) | 461 if (!paintsIntoCanvasBuffer() && !document().printing()) |
462 return; | 462 return; |
463 | 463 |
| 464 // TODO(junov): Paint is currently only implemented by ImageBitmap contexts. |
| 465 // We could improve the abstraction by making all context types paint |
| 466 // themselves (implement paint()). |
| 467 if (m_context->paint(context, pixelSnappedIntRect(r))) |
| 468 return; |
| 469 |
464 m_context->paintRenderingResultsToCanvas(FrontBuffer); | 470 m_context->paintRenderingResultsToCanvas(FrontBuffer); |
465 if (hasImageBuffer()) { | 471 if (hasImageBuffer()) { |
466 if (!context.contextDisabled()) { | 472 if (!context.contextDisabled()) { |
467 SkXfermode::Mode compositeOperator = !m_context || m_context->hasAlp
ha() ? SkXfermode::kSrcOver_Mode : SkXfermode::kSrc_Mode; | 473 SkXfermode::Mode compositeOperator = !m_context || m_context->hasAlp
ha() ? SkXfermode::kSrcOver_Mode : SkXfermode::kSrc_Mode; |
468 buffer()->draw(context, pixelSnappedIntRect(r), 0, compositeOperator
); | 474 buffer()->draw(context, pixelSnappedIntRect(r), 0, compositeOperator
); |
469 } | 475 } |
470 } else { | 476 } else { |
471 // When alpha is false, we should draw to opaque black. | 477 // When alpha is false, we should draw to opaque black. |
472 if (!m_context->hasAlpha()) | 478 if (!m_context->hasAlpha()) |
473 context.fillRect(FloatRect(r), Color(0, 0, 0)); | 479 context.fillRect(FloatRect(r), Color(0, 0, 0)); |
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1025 } | 1031 } |
1026 return ImageBitmapSource::fulfillImageBitmap(scriptState, isPaintable() ? Im
ageBitmap::create(this, IntRect(sx, sy, sw, sh), options) : nullptr); | 1032 return ImageBitmapSource::fulfillImageBitmap(scriptState, isPaintable() ? Im
ageBitmap::create(this, IntRect(sx, sy, sw, sh), options) : nullptr); |
1027 } | 1033 } |
1028 | 1034 |
1029 bool HTMLCanvasElement::isOpaque() const | 1035 bool HTMLCanvasElement::isOpaque() const |
1030 { | 1036 { |
1031 return m_context && !m_context->hasAlpha(); | 1037 return m_context && !m_context->hasAlpha(); |
1032 } | 1038 } |
1033 | 1039 |
1034 } // namespace blink | 1040 } // namespace blink |
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