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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "modules/canvas2d/BaseRenderingContext2D.h" | 5 #include "modules/canvas2d/BaseRenderingContext2D.h" |
6 | 6 |
7 #include "bindings/core/v8/ExceptionMessages.h" | 7 #include "bindings/core/v8/ExceptionMessages.h" |
8 #include "bindings/core/v8/ExceptionState.h" | 8 #include "bindings/core/v8/ExceptionState.h" |
9 #include "bindings/core/v8/ExceptionStatePlaceholder.h" | 9 #include "bindings/core/v8/ExceptionStatePlaceholder.h" |
10 #include "core/css/parser/CSSParser.h" | 10 #include "core/css/parser/CSSParser.h" |
11 #include "core/frame/ImageBitmap.h" | 11 #include "core/frame/ImageBitmap.h" |
12 #include "core/html/HTMLCanvasElement.h" | 12 #include "core/html/HTMLCanvasElement.h" |
13 #include "core/html/HTMLImageElement.h" | 13 #include "core/html/HTMLImageElement.h" |
14 #include "core/html/HTMLVideoElement.h" | 14 #include "core/html/HTMLVideoElement.h" |
15 #include "core/html/ImageData.h" | 15 #include "core/html/ImageData.h" |
| 16 #include "core/offscreencanvas/OffscreenCanvas.h" |
16 #include "modules/canvas2d/CanvasGradient.h" | 17 #include "modules/canvas2d/CanvasGradient.h" |
17 #include "modules/canvas2d/CanvasPattern.h" | 18 #include "modules/canvas2d/CanvasPattern.h" |
18 #include "modules/canvas2d/CanvasStyle.h" | 19 #include "modules/canvas2d/CanvasStyle.h" |
19 #include "modules/canvas2d/Path2D.h" | 20 #include "modules/canvas2d/Path2D.h" |
20 #include "platform/Histogram.h" | 21 #include "platform/Histogram.h" |
21 #include "platform/geometry/FloatQuad.h" | 22 #include "platform/geometry/FloatQuad.h" |
22 #include "platform/graphics/Color.h" | 23 #include "platform/graphics/Color.h" |
23 #include "platform/graphics/ExpensiveCanvasHeuristicParameters.h" | 24 #include "platform/graphics/ExpensiveCanvasHeuristicParameters.h" |
24 #include "platform/graphics/Image.h" | 25 #include "platform/graphics/Image.h" |
25 #include "platform/graphics/ImageBuffer.h" | 26 #include "platform/graphics/ImageBuffer.h" |
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871 return value.getAsHTMLVideoElement(); | 872 return value.getAsHTMLVideoElement(); |
872 if (value.isHTMLCanvasElement()) | 873 if (value.isHTMLCanvasElement()) |
873 return value.getAsHTMLCanvasElement(); | 874 return value.getAsHTMLCanvasElement(); |
874 if (value.isImageBitmap()) { | 875 if (value.isImageBitmap()) { |
875 if (static_cast<ImageBitmap*>(value.getAsImageBitmap())->isNeutered()) { | 876 if (static_cast<ImageBitmap*>(value.getAsImageBitmap())->isNeutered()) { |
876 exceptionState.throwDOMException(InvalidStateError, String::format("
The image source is detached")); | 877 exceptionState.throwDOMException(InvalidStateError, String::format("
The image source is detached")); |
877 return nullptr; | 878 return nullptr; |
878 } | 879 } |
879 return value.getAsImageBitmap(); | 880 return value.getAsImageBitmap(); |
880 } | 881 } |
| 882 if (value.isOffscreenCanvas()) { |
| 883 if (static_cast<OffscreenCanvas*>(value.getAsOffscreenCanvas())->isNeute
red()) { |
| 884 exceptionState.throwDOMException(InvalidStateError, String::format("
The image source is detached")); |
| 885 return nullptr; |
| 886 } |
| 887 return value.getAsOffscreenCanvas(); |
| 888 } |
881 ASSERT_NOT_REACHED(); | 889 ASSERT_NOT_REACHED(); |
882 return nullptr; | 890 return nullptr; |
883 } | 891 } |
884 | 892 |
885 void BaseRenderingContext2D::drawImage(ExecutionContext* executionContext, const
CanvasImageSourceUnion& imageSource, double x, double y, ExceptionState& except
ionState) | 893 void BaseRenderingContext2D::drawImage(ExecutionContext* executionContext, const
CanvasImageSourceUnion& imageSource, double x, double y, ExceptionState& except
ionState) |
886 { | 894 { |
887 CanvasImageSource* imageSourceInternal = toImageSourceInternal(imageSource,
exceptionState); | 895 CanvasImageSource* imageSourceInternal = toImageSourceInternal(imageSource,
exceptionState); |
888 if (!imageSourceInternal) | 896 if (!imageSourceInternal) |
889 return; | 897 return; |
890 FloatSize defaultObjectSize(width(), height()); | 898 FloatSize defaultObjectSize(width(), height()); |
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1700 ExpensiveCanvasHeuristicParameters::RadialGradientFillVariableCostPerAre
a[index] * m_usageCounters.boundingBoxAreaFillType[BaseRenderingContext2D::Radia
lGradientFillType]; | 1708 ExpensiveCanvasHeuristicParameters::RadialGradientFillVariableCostPerAre
a[index] * m_usageCounters.boundingBoxAreaFillType[BaseRenderingContext2D::Radia
lGradientFillType]; |
1701 | 1709 |
1702 float shadowAdjustment = | 1710 float shadowAdjustment = |
1703 ExpensiveCanvasHeuristicParameters::ShadowFixedCost[index] * m_usageCoun
ters.numBlurredShadows + | 1711 ExpensiveCanvasHeuristicParameters::ShadowFixedCost[index] * m_usageCoun
ters.numBlurredShadows + |
1704 ExpensiveCanvasHeuristicParameters::ShadowVariableCostPerAreaTimesShadow
BlurSquared[index] * m_usageCounters.boundingBoxAreaTimesShadowBlurSquared; | 1712 ExpensiveCanvasHeuristicParameters::ShadowVariableCostPerAreaTimesShadow
BlurSquared[index] * m_usageCounters.boundingBoxAreaTimesShadowBlurSquared; |
1705 | 1713 |
1706 return basicCostOfDrawCalls + fillTypeAdjustment + shadowAdjustment; | 1714 return basicCostOfDrawCalls + fillTypeAdjustment + shadowAdjustment; |
1707 } | 1715 } |
1708 | 1716 |
1709 } // namespace blink | 1717 } // namespace blink |
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