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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef TextPainter_h | |
| 6 #define TextPainter_h | |
| 7 | |
| 8 #include "core/rendering/style/RenderStyleConstants.h" | |
| 9 #include "platform/fonts/TextBlob.h" | |
| 10 #include "platform/geometry/FloatPoint.h" | |
| 11 #include "platform/geometry/FloatRect.h" | |
| 12 #include "platform/graphics/Color.h" | |
| 13 #include "wtf/text/AtomicString.h" | |
| 14 | |
| 15 namespace blink { | |
| 16 | |
| 17 class Font; | |
| 18 class GraphicsContext; | |
| 19 class GraphicsContextStateSaver; | |
| 20 class RenderCombineText; | |
| 21 class RenderObject; | |
| 22 class RenderStyle; | |
| 23 class ShadowList; | |
| 24 class TextRun; | |
| 25 struct TextRunPaintInfo; | |
| 26 | |
| 27 class TextPainter { | |
| 28 public: | |
| 29 struct Style; | |
| 30 | |
| 31 TextPainter(GraphicsContext*, const Font&, const TextRun&, const FloatPoint&
textOrigin, const FloatRect& textBounds, bool horizontal); | |
| 32 ~TextPainter(); | |
| 33 | |
| 34 void setEmphasisMark(const AtomicString&, TextEmphasisPosition); | |
| 35 void setCombinedText(RenderCombineText* combinedText) { m_combinedText = com
binedText; } | |
| 36 | |
| 37 static void updateGraphicsContext(GraphicsContext*, const Style&, bool horiz
ontal, GraphicsContextStateSaver&); | |
| 38 | |
| 39 void paint(int startOffset, int endOffset, int length, const Style&, TextBlo
bPtr* cachedTextBlob = 0); | |
| 40 | |
| 41 struct Style { | |
| 42 Color fillColor; | |
| 43 Color strokeColor; | |
| 44 Color emphasisMarkColor; | |
| 45 float strokeWidth; | |
| 46 const ShadowList* shadow; | |
| 47 | |
| 48 bool operator==(const Style& other) | |
| 49 { | |
| 50 return fillColor == other.fillColor | |
| 51 && strokeColor == other.strokeColor | |
| 52 && emphasisMarkColor == other.emphasisMarkColor | |
| 53 && strokeWidth == other.strokeWidth | |
| 54 && shadow == other.shadow; | |
| 55 } | |
| 56 bool operator!=(const Style& other) { return !(*this == other); } | |
| 57 }; | |
| 58 static Style textPaintingStyle(RenderObject&, RenderStyle*, bool forceBlackT
ext, bool isPrinting); | |
| 59 static Style selectionPaintingStyle(RenderObject&, bool haveSelection, bool
forceBlackText, bool isPrinting, const Style& textStyle); | |
| 60 | |
| 61 private: | |
| 62 void updateGraphicsContext(const Style& style, GraphicsContextStateSaver& sa
ver) | |
| 63 { | |
| 64 updateGraphicsContext(m_graphicsContext, style, m_horizontal, saver); | |
| 65 } | |
| 66 | |
| 67 enum PaintInternalStep { PaintText, PaintEmphasisMark }; | |
| 68 | |
| 69 template <PaintInternalStep step> | |
| 70 void paintInternalRun(TextRunPaintInfo&, int from, int to); | |
| 71 | |
| 72 template <PaintInternalStep step> | |
| 73 void paintInternal(int startOffset, int endOffset, int truncationPoint, Text
BlobPtr* cachedTextBlob = 0); | |
| 74 | |
| 75 void paintEmphasisMarkForCombinedText(); | |
| 76 | |
| 77 GraphicsContext* m_graphicsContext; | |
| 78 const Font& m_font; | |
| 79 const TextRun& m_run; | |
| 80 FloatPoint m_textOrigin; | |
| 81 FloatRect m_textBounds; | |
| 82 bool m_horizontal; | |
| 83 AtomicString m_emphasisMark; | |
| 84 int m_emphasisMarkOffset; | |
| 85 RenderCombineText* m_combinedText; | |
| 86 }; | |
| 87 | |
| 88 } // namespace blink | |
| 89 | |
| 90 #endif // TextPainter_h | |
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Chromium Code Reviews
Issue 738863002:
Move TextPainter to core/paint/ (Closed)
Base URL: svn://svn.chromium.org/blink/trunk