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1 /* | 1 /* |
2 * Copyright (C) 2011 Apple Inc. All rights reserved. | 2 * Copyright (C) 2011 Apple Inc. 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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39 const Font& originalFont() const { return parent()->style()->font(); } | 39 const Font& originalFont() const { return parent()->style()->font(); } |
40 void transformToInlineCoordinates(GraphicsContext&, const FloatRect& boxRect
) const; | 40 void transformToInlineCoordinates(GraphicsContext&, const FloatRect& boxRect
) const; |
41 void transformLayoutRect(FloatRect& boxRect) const; | 41 void transformLayoutRect(FloatRect& boxRect) const; |
42 float inlineWidthForLayout() const; | 42 float inlineWidthForLayout() const; |
43 | 43 |
44 virtual const char* name() const override { return "LayoutTextCombine"; } | 44 virtual const char* name() const override { return "LayoutTextCombine"; } |
45 | 45 |
46 private: | 46 private: |
47 virtual bool isCombineText() const override { return true; } | 47 virtual bool isCombineText() const override { return true; } |
48 virtual float width(unsigned from, unsigned length, const Font&, float xPosi
tion, TextDirection, HashSet<const SimpleFontData*>* fallbackFonts = 0, GlyphOve
rflow* = 0) const override; | 48 virtual float width(unsigned from, unsigned length, const Font&, float xPosi
tion, TextDirection, HashSet<const SimpleFontData*>* fallbackFonts = 0, GlyphOve
rflow* = 0) const override; |
49 virtual void styleDidChange(StyleDifference, const LayoutStyle* oldStyle) ov
erride; | 49 virtual void styleDidChange(StyleDifference, const ComputedStyle* oldStyle)
override; |
50 virtual void setTextInternal(PassRefPtr<StringImpl>) override; | 50 virtual void setTextInternal(PassRefPtr<StringImpl>) override; |
51 void updateIsCombined(); | 51 void updateIsCombined(); |
52 | 52 |
53 float offsetX(const FloatRect& boxRect) const; | 53 float offsetX(const FloatRect& boxRect) const; |
54 float offsetXNoScale(const FloatRect& boxRect) const; | 54 float offsetXNoScale(const FloatRect& boxRect) const; |
55 | 55 |
56 float m_combinedTextWidth; | 56 float m_combinedTextWidth; |
57 float m_scaleX; | 57 float m_scaleX; |
58 bool m_isCombined : 1; | 58 bool m_isCombined : 1; |
59 bool m_needsFontUpdate : 1; | 59 bool m_needsFontUpdate : 1; |
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76 inline float LayoutTextCombine::offsetXNoScale(const FloatRect& boxRect) const | 76 inline float LayoutTextCombine::offsetXNoScale(const FloatRect& boxRect) const |
77 { | 77 { |
78 ASSERT(!m_needsFontUpdate); | 78 ASSERT(!m_needsFontUpdate); |
79 return (boxRect.height() - m_combinedTextWidth) / 2; | 79 return (boxRect.height() - m_combinedTextWidth) / 2; |
80 } | 80 } |
81 | 81 |
82 | 82 |
83 } // namespace blink | 83 } // namespace blink |
84 | 84 |
85 #endif // LayoutTextCombine_h | 85 #endif // LayoutTextCombine_h |
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