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| 1 /* | 1 /* |
| 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| 4 * (C) 2006 Allan Sandfeld Jensen (kde@carewolf.com) | 4 * (C) 2006 Allan Sandfeld Jensen (kde@carewolf.com) |
| 5 * (C) 2006 Samuel Weinig (sam.weinig@gmail.com) | 5 * (C) 2006 Samuel Weinig (sam.weinig@gmail.com) |
| 6 * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010, 2011 Apple Inc. All rights
reserved. | 6 * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010, 2011 Apple Inc. All rights
reserved. |
| 7 * | 7 * |
| 8 * This library is free software; you can redistribute it and/or | 8 * This library is free software; you can redistribute it and/or |
| 9 * modify it under the terms of the GNU Library General Public | 9 * modify it under the terms of the GNU Library General Public |
| 10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
| (...skipping 23 matching lines...) Expand all Loading... |
| 34 class HTMLAreaElement; | 34 class HTMLAreaElement; |
| 35 class HTMLMapElement; | 35 class HTMLMapElement; |
| 36 | 36 |
| 37 class CORE_EXPORT LayoutImage : public LayoutReplaced { | 37 class CORE_EXPORT LayoutImage : public LayoutReplaced { |
| 38 public: | 38 public: |
| 39 // These are the paddings to use when displaying either alt text or an image
. | 39 // These are the paddings to use when displaying either alt text or an image
. |
| 40 static const unsigned short paddingWidth = 4; | 40 static const unsigned short paddingWidth = 4; |
| 41 static const unsigned short paddingHeight = 4; | 41 static const unsigned short paddingHeight = 4; |
| 42 | 42 |
| 43 LayoutImage(Element*); | 43 LayoutImage(Element*); |
| 44 virtual ~LayoutImage(); | 44 ~LayoutImage() override; |
| 45 | 45 |
| 46 static LayoutImage* createAnonymous(Document*); | 46 static LayoutImage* createAnonymous(Document*); |
| 47 | 47 |
| 48 void setImageResource(PassOwnPtr<LayoutImageResource>); | 48 void setImageResource(PassOwnPtr<LayoutImageResource>); |
| 49 | 49 |
| 50 LayoutImageResource* imageResource() { return m_imageResource.get(); } | 50 LayoutImageResource* imageResource() { return m_imageResource.get(); } |
| 51 const LayoutImageResource* imageResource() const { return m_imageResource.ge
t(); } | 51 const LayoutImageResource* imageResource() const { return m_imageResource.ge
t(); } |
| 52 ImageResource* cachedImage() const { return m_imageResource ? m_imageResourc
e->cachedImage() : 0; } | 52 ImageResource* cachedImage() const { return m_imageResource ? m_imageResourc
e->cachedImage() : 0; } |
| 53 | 53 |
| 54 HTMLMapElement* imageMap() const; | 54 HTMLMapElement* imageMap() const; |
| 55 void areaElementFocusChanged(HTMLAreaElement*); | 55 void areaElementFocusChanged(HTMLAreaElement*); |
| 56 | 56 |
| 57 void setIsGeneratedContent(bool generated = true) { m_isGeneratedContent = g
enerated; } | 57 void setIsGeneratedContent(bool generated = true) { m_isGeneratedContent = g
enerated; } |
| 58 | 58 |
| 59 bool isGeneratedContent() const { return m_isGeneratedContent; } | 59 bool isGeneratedContent() const { return m_isGeneratedContent; } |
| 60 | 60 |
| 61 inline void setImageDevicePixelRatio(float factor) { m_imageDevicePixelRatio
= factor; } | 61 inline void setImageDevicePixelRatio(float factor) { m_imageDevicePixelRatio
= factor; } |
| 62 float imageDevicePixelRatio() const { return m_imageDevicePixelRatio; } | 62 float imageDevicePixelRatio() const { return m_imageDevicePixelRatio; } |
| 63 | 63 |
| 64 virtual void intrinsicSizeChanged() override | 64 void intrinsicSizeChanged() override |
| 65 { | 65 { |
| 66 if (m_imageResource) | 66 if (m_imageResource) |
| 67 imageChanged(m_imageResource->imagePtr()); | 67 imageChanged(m_imageResource->imagePtr()); |
| 68 } | 68 } |
| 69 | 69 |
| 70 virtual const char* name() const override { return "LayoutImage"; } | 70 const char* name() const override { return "LayoutImage"; } |
| 71 | 71 |
| 72 protected: | 72 protected: |
| 73 virtual bool needsPreferredWidthsRecalculation() const override final; | 73 bool needsPreferredWidthsRecalculation() const final; |
| 74 virtual LayoutBox* embeddedContentBox() const override final; | 74 LayoutBox* embeddedContentBox() const final; |
| 75 virtual void computeIntrinsicRatioInformation(FloatSize& intrinsicSize, doub
le& intrinsicRatio) const override final; | 75 void computeIntrinsicRatioInformation(FloatSize& intrinsicSize, double& intr
insicRatio) const final; |
| 76 | 76 |
| 77 virtual void imageChanged(WrappedImagePtr, const IntRect* = nullptr) overrid
e; | 77 void imageChanged(WrappedImagePtr, const IntRect* = nullptr) override; |
| 78 | 78 |
| 79 virtual void paint(const PaintInfo&, const LayoutPoint&) override final; | 79 void paint(const PaintInfo&, const LayoutPoint&) final; |
| 80 | 80 |
| 81 virtual void layout() override; | 81 void layout() override; |
| 82 virtual bool updateImageLoadingPriorities() override final; | 82 bool updateImageLoadingPriorities() final; |
| 83 | 83 |
| 84 virtual bool isOfType(LayoutObjectType type) const override { return type ==
LayoutObjectLayoutImage || LayoutReplaced::isOfType(type); } | 84 bool isOfType(LayoutObjectType type) const override { return type == LayoutO
bjectLayoutImage || LayoutReplaced::isOfType(type); } |
| 85 | 85 |
| 86 virtual void willBeDestroyed() override; | 86 void willBeDestroyed() override; |
| 87 | 87 |
| 88 private: | 88 private: |
| 89 virtual bool isImage() const override { return true; } | 89 bool isImage() const override { return true; } |
| 90 | 90 |
| 91 virtual void paintReplaced(const PaintInfo&, const LayoutPoint&) override; | 91 void paintReplaced(const PaintInfo&, const LayoutPoint&) override; |
| 92 | 92 |
| 93 virtual bool foregroundIsKnownToBeOpaqueInRect(const LayoutRect& localRect,
unsigned maxDepthToTest) const override final; | 93 bool foregroundIsKnownToBeOpaqueInRect(const LayoutRect& localRect, unsigned
maxDepthToTest) const final; |
| 94 virtual bool computeBackgroundIsKnownToBeObscured() override final; | 94 bool computeBackgroundIsKnownToBeObscured() final; |
| 95 | 95 |
| 96 virtual bool backgroundShouldAlwaysBeClipped() const override { return true;
} | 96 bool backgroundShouldAlwaysBeClipped() const override { return true; } |
| 97 | 97 |
| 98 virtual LayoutUnit minimumReplacedHeight() const override; | 98 LayoutUnit minimumReplacedHeight() const override; |
| 99 | 99 |
| 100 virtual void notifyFinished(Resource*) override final; | 100 void notifyFinished(Resource*) final; |
| 101 virtual bool nodeAtPoint(HitTestResult&, const HitTestLocation& locationInCo
ntainer, const LayoutPoint& accumulatedOffset, HitTestAction) override final; | 101 bool nodeAtPoint(HitTestResult&, const HitTestLocation& locationInContainer,
const LayoutPoint& accumulatedOffset, HitTestAction) final; |
| 102 | 102 |
| 103 virtual bool boxShadowShouldBeAppliedToBackground(BackgroundBleedAvoidance,
InlineFlowBox*) const override final; | 103 bool boxShadowShouldBeAppliedToBackground(BackgroundBleedAvoidance, InlineFl
owBox*) const final; |
| 104 | 104 |
| 105 void invalidatePaintAndMarkForLayoutIfNeeded(); | 105 void invalidatePaintAndMarkForLayoutIfNeeded(); |
| 106 void updateIntrinsicSizeIfNeeded(const LayoutSize&); | 106 void updateIntrinsicSizeIfNeeded(const LayoutSize&); |
| 107 // Update the size of the image to be rendered. Object-fit may cause this to
be different from the CSS box's content rect. | 107 // Update the size of the image to be rendered. Object-fit may cause this to
be different from the CSS box's content rect. |
| 108 void updateInnerContentRect(); | 108 void updateInnerContentRect(); |
| 109 | 109 |
| 110 // Text to display as long as the image isn't available. | 110 // Text to display as long as the image isn't available. |
| 111 OwnPtr<LayoutImageResource> m_imageResource; | 111 OwnPtr<LayoutImageResource> m_imageResource; |
| 112 bool m_didIncrementVisuallyNonEmptyPixelCount; | 112 bool m_didIncrementVisuallyNonEmptyPixelCount; |
| 113 bool m_isGeneratedContent; | 113 bool m_isGeneratedContent; |
| 114 float m_imageDevicePixelRatio; | 114 float m_imageDevicePixelRatio; |
| 115 }; | 115 }; |
| 116 | 116 |
| 117 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutImage, isLayoutImage()); | 117 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutImage, isLayoutImage()); |
| 118 | 118 |
| 119 } // namespace blink | 119 } // namespace blink |
| 120 | 120 |
| 121 #endif // LayoutImage_h | 121 #endif // LayoutImage_h |
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