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1 /* | 1 /* |
2 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved. | 2 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved. |
3 * | 3 * |
4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
8 * | 8 * |
9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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23 #include "core/layout/svg/LayoutSVGResourceContainer.h" | 23 #include "core/layout/svg/LayoutSVGResourceContainer.h" |
24 #include "core/svg/SVGClipPathElement.h" | 24 #include "core/svg/SVGClipPathElement.h" |
25 | 25 |
26 class SkPicture; | 26 class SkPicture; |
27 | 27 |
28 namespace blink { | 28 namespace blink { |
29 | 29 |
30 class LayoutSVGResourceClipper final : public LayoutSVGResourceContainer { | 30 class LayoutSVGResourceClipper final : public LayoutSVGResourceContainer { |
31 public: | 31 public: |
32 explicit LayoutSVGResourceClipper(SVGClipPathElement*); | 32 explicit LayoutSVGResourceClipper(SVGClipPathElement*); |
33 virtual ~LayoutSVGResourceClipper(); | 33 ~LayoutSVGResourceClipper() override; |
34 | 34 |
35 virtual const char* name() const override { return "LayoutSVGResourceClipper
"; } | 35 const char* name() const override { return "LayoutSVGResourceClipper"; } |
36 | 36 |
37 virtual void removeAllClientsFromCache(bool markForInvalidation = true) over
ride; | 37 void removeAllClientsFromCache(bool markForInvalidation = true) override; |
38 virtual void removeClientFromCache(LayoutObject*, bool markForInvalidation =
true) override; | 38 void removeClientFromCache(LayoutObject*, bool markForInvalidation = true) o
verride; |
39 | 39 |
40 FloatRect resourceBoundingBox(const LayoutObject*); | 40 FloatRect resourceBoundingBox(const LayoutObject*); |
41 | 41 |
42 static const LayoutSVGResourceType s_resourceType = ClipperResourceType; | 42 static const LayoutSVGResourceType s_resourceType = ClipperResourceType; |
43 virtual LayoutSVGResourceType resourceType() const override { return s_resou
rceType; } | 43 LayoutSVGResourceType resourceType() const override { return s_resourceType;
} |
44 | 44 |
45 bool hitTestClipContent(const FloatRect&, const FloatPoint&); | 45 bool hitTestClipContent(const FloatRect&, const FloatPoint&); |
46 | 46 |
47 SVGUnitTypes::SVGUnitType clipPathUnits() const { return toSVGClipPathElemen
t(element())->clipPathUnits()->currentValue()->enumValue(); } | 47 SVGUnitTypes::SVGUnitType clipPathUnits() const { return toSVGClipPathElemen
t(element())->clipPathUnits()->currentValue()->enumValue(); } |
48 | 48 |
49 bool tryPathOnlyClipping(const LayoutObject&, GraphicsContext*, const Affine
Transform&, const FloatRect&); | 49 bool tryPathOnlyClipping(const LayoutObject&, GraphicsContext*, const Affine
Transform&, const FloatRect&); |
50 PassRefPtr<const SkPicture> createContentPicture(AffineTransform&, const Flo
atRect&, GraphicsContext*); | 50 PassRefPtr<const SkPicture> createContentPicture(AffineTransform&, const Flo
atRect&, GraphicsContext*); |
51 | 51 |
52 bool hasCycle() { return m_inClipExpansion; } | 52 bool hasCycle() { return m_inClipExpansion; } |
53 void beginClipExpansion() { ASSERT(!m_inClipExpansion); m_inClipExpansion =
true; } | 53 void beginClipExpansion() { ASSERT(!m_inClipExpansion); m_inClipExpansion =
true; } |
54 void endClipExpansion() { ASSERT(m_inClipExpansion); m_inClipExpansion = fal
se; } | 54 void endClipExpansion() { ASSERT(m_inClipExpansion); m_inClipExpansion = fal
se; } |
55 private: | 55 private: |
56 void calculateClipContentPaintInvalidationRect(); | 56 void calculateClipContentPaintInvalidationRect(); |
57 | 57 |
58 RefPtr<const SkPicture> m_clipContentPicture; | 58 RefPtr<const SkPicture> m_clipContentPicture; |
59 FloatRect m_clipBoundaries; | 59 FloatRect m_clipBoundaries; |
60 | 60 |
61 // Reference cycle detection. | 61 // Reference cycle detection. |
62 bool m_inClipExpansion; | 62 bool m_inClipExpansion; |
63 }; | 63 }; |
64 | 64 |
65 DEFINE_LAYOUT_SVG_RESOURCE_TYPE_CASTS(LayoutSVGResourceClipper, ClipperResourceT
ype); | 65 DEFINE_LAYOUT_SVG_RESOURCE_TYPE_CASTS(LayoutSVGResourceClipper, ClipperResourceT
ype); |
66 | 66 |
67 } | 67 } |
68 | 68 |
69 #endif | 69 #endif |
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