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| 1 /* | 1 /* |
| 2 * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved. | 2 * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * | 7 * |
| 8 * 1. Redistributions of source code must retain the above | 8 * 1. Redistributions of source code must retain the above |
| 9 * copyright notice, this list of conditions and the following | 9 * copyright notice, this list of conditions and the following |
| 10 * disclaimer. | 10 * disclaimer. |
| (...skipping 15 matching lines...) Expand all Loading... |
| 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| 27 * OF THE POSSIBILITY OF SUCH DAMAGE. | 27 * OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 */ | 28 */ |
| 29 | 29 |
| 30 #ifndef Shape_h | 30 #ifndef Shape_h |
| 31 #define Shape_h | 31 #define Shape_h |
| 32 | 32 |
| 33 #include "core/rendering/style/BasicShapes.h" | 33 #include "core/rendering/style/BasicShapes.h" |
| 34 #include "core/rendering/style/StyleImage.h" | 34 #include "core/rendering/style/StyleImage.h" |
| 35 #include "platform/geometry/LayoutRect.h" | 35 #include "platform/geometry/LayoutRect.h" |
| 36 #include "platform/geometry/RoundedRect.h" | |
| 37 #include "platform/graphics/Path.h" | 36 #include "platform/graphics/Path.h" |
| 38 #include "platform/text/WritingMode.h" | 37 #include "platform/text/WritingMode.h" |
| 39 #include "wtf/PassOwnPtr.h" | 38 #include "wtf/PassOwnPtr.h" |
| 40 | 39 |
| 41 namespace blink { | 40 namespace blink { |
| 42 | 41 |
| 42 class FloatRoundedRect; |
| 43 |
| 43 struct LineSegment { | 44 struct LineSegment { |
| 44 LineSegment() | 45 LineSegment() |
| 45 : logicalLeft(0) | 46 : logicalLeft(0) |
| 46 , logicalRight(0) | 47 , logicalRight(0) |
| 47 , isValid(false) | 48 , isValid(false) |
| 48 { | 49 { |
| 49 } | 50 } |
| 50 | 51 |
| 51 LineSegment(float logicalLeft, float logicalRight) | 52 LineSegment(float logicalLeft, float logicalRight) |
| 52 : logicalLeft(logicalLeft) | 53 : logicalLeft(logicalLeft) |
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| 67 | 68 |
| 68 class Shape { | 69 class Shape { |
| 69 public: | 70 public: |
| 70 struct DisplayPaths { | 71 struct DisplayPaths { |
| 71 Path shape; | 72 Path shape; |
| 72 Path marginShape; | 73 Path marginShape; |
| 73 }; | 74 }; |
| 74 static PassOwnPtr<Shape> createShape(const BasicShape*, const LayoutSize& lo
gicalBoxSize, WritingMode, float margin); | 75 static PassOwnPtr<Shape> createShape(const BasicShape*, const LayoutSize& lo
gicalBoxSize, WritingMode, float margin); |
| 75 static PassOwnPtr<Shape> createRasterShape(Image*, float threshold, const La
youtRect& imageRect, const LayoutRect& marginRect, WritingMode, float margin); | 76 static PassOwnPtr<Shape> createRasterShape(Image*, float threshold, const La
youtRect& imageRect, const LayoutRect& marginRect, WritingMode, float margin); |
| 76 static PassOwnPtr<Shape> createEmptyRasterShape(WritingMode, float margin); | 77 static PassOwnPtr<Shape> createEmptyRasterShape(WritingMode, float margin); |
| 77 static PassOwnPtr<Shape> createLayoutBoxShape(const RoundedRect&, WritingMod
e, float margin); | 78 static PassOwnPtr<Shape> createLayoutBoxShape(const FloatRoundedRect&, Writi
ngMode, float margin); |
| 78 | 79 |
| 79 virtual ~Shape() { } | 80 virtual ~Shape() { } |
| 80 | 81 |
| 81 virtual LayoutRect shapeMarginLogicalBoundingBox() const = 0; | 82 virtual LayoutRect shapeMarginLogicalBoundingBox() const = 0; |
| 82 virtual bool isEmpty() const = 0; | 83 virtual bool isEmpty() const = 0; |
| 83 virtual LineSegment getExcludedInterval(LayoutUnit logicalTop, LayoutUnit lo
gicalHeight) const = 0; | 84 virtual LineSegment getExcludedInterval(LayoutUnit logicalTop, LayoutUnit lo
gicalHeight) const = 0; |
| 84 | 85 |
| 85 bool lineOverlapsShapeMarginBounds(LayoutUnit lineTop, LayoutUnit lineHeight
) const { return lineOverlapsBoundingBox(lineTop, lineHeight, shapeMarginLogical
BoundingBox()); } | 86 bool lineOverlapsShapeMarginBounds(LayoutUnit lineTop, LayoutUnit lineHeight
) const { return lineOverlapsBoundingBox(lineTop, lineHeight, shapeMarginLogical
BoundingBox()); } |
| 86 virtual void buildDisplayPaths(DisplayPaths&) const = 0; | 87 virtual void buildDisplayPaths(DisplayPaths&) const = 0; |
| 87 | 88 |
| 88 protected: | 89 protected: |
| 89 float shapeMargin() const { return m_margin; } | 90 float shapeMargin() const { return m_margin; } |
| 90 | 91 |
| 91 private: | 92 private: |
| 92 bool lineOverlapsBoundingBox(LayoutUnit lineTop, LayoutUnit lineHeight, cons
t LayoutRect& rect) const | 93 bool lineOverlapsBoundingBox(LayoutUnit lineTop, LayoutUnit lineHeight, cons
t LayoutRect& rect) const |
| 93 { | 94 { |
| 94 if (rect.isEmpty()) | 95 if (rect.isEmpty()) |
| 95 return false; | 96 return false; |
| 96 return (lineTop < rect.maxY() && lineTop + lineHeight > rect.y()) || (!l
ineHeight && lineTop == rect.y()); | 97 return (lineTop < rect.maxY() && lineTop + lineHeight > rect.y()) || (!l
ineHeight && lineTop == rect.y()); |
| 97 } | 98 } |
| 98 | 99 |
| 99 WritingMode m_writingMode; | 100 WritingMode m_writingMode; |
| 100 float m_margin; | 101 float m_margin; |
| 101 }; | 102 }; |
| 102 | 103 |
| 103 } // namespace blink | 104 } // namespace blink |
| 104 | 105 |
| 105 #endif // Shape_h | 106 #endif // Shape_h |
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