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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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| 28 | 28 |
| 29 // LayoutTextCombine uses different coordinate systems for layout and inlineText
Box, | 29 // LayoutTextCombine uses different coordinate systems for layout and inlineText
Box, |
| 30 // because it is treated as 1em-box character in vertical flow for the layout, | 30 // because it is treated as 1em-box character in vertical flow for the layout, |
| 31 // while its inline box is in horizontal flow. | 31 // while its inline box is in horizontal flow. |
| 32 class LayoutTextCombine final : public LayoutText { | 32 class LayoutTextCombine final : public LayoutText { |
| 33 public: | 33 public: |
| 34 LayoutTextCombine(Node*, PassRefPtr<StringImpl>); | 34 LayoutTextCombine(Node*, PassRefPtr<StringImpl>); |
| 35 | 35 |
| 36 void updateFont(); | 36 void updateFont(); |
| 37 bool isCombined() const { return m_isCombined; } | 37 bool isCombined() const { return m_isCombined; } |
| 38 float combinedTextWidth(const Font& font) const { return font.fontDescriptio
n().computedSize(); } | 38 float combinedTextWidth(const Font& font) const { return font.getFontDescrip
tion().computedSize(); } |
| 39 const Font& originalFont() const { return parent()->style()->font(); } | 39 const Font& originalFont() const { return parent()->style()->font(); } |
| 40 void transformToInlineCoordinates(GraphicsContext&, const LayoutRect& boxRec
t, bool clip = false) const; | 40 void transformToInlineCoordinates(GraphicsContext&, const LayoutRect& boxRec
t, bool clip = false) const; |
| 41 LayoutUnit inlineWidthForLayout() const; | 41 LayoutUnit inlineWidthForLayout() const; |
| 42 | 42 |
| 43 const char* name() const override { return "LayoutTextCombine"; } | 43 const char* name() const override { return "LayoutTextCombine"; } |
| 44 | 44 |
| 45 private: | 45 private: |
| 46 bool isCombineText() const override { return true; } | 46 bool isCombineText() const override { return true; } |
| 47 float width(unsigned from, unsigned length, const Font&, LayoutUnit xPositio
n, TextDirection, HashSet<const SimpleFontData*>* fallbackFonts = nullptr, Float
Rect* glyphBounds = nullptr) const override; | 47 float width(unsigned from, unsigned length, const Font&, LayoutUnit xPositio
n, TextDirection, HashSet<const SimpleFontData*>* fallbackFonts = nullptr, Float
Rect* glyphBounds = nullptr) const override; |
| 48 void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) override
; | 48 void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) override
; |
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| 59 | 59 |
| 60 inline LayoutUnit LayoutTextCombine::inlineWidthForLayout() const | 60 inline LayoutUnit LayoutTextCombine::inlineWidthForLayout() const |
| 61 { | 61 { |
| 62 ASSERT(!m_needsFontUpdate); | 62 ASSERT(!m_needsFontUpdate); |
| 63 return LayoutUnit::fromFloatCeil(m_combinedTextWidth); | 63 return LayoutUnit::fromFloatCeil(m_combinedTextWidth); |
| 64 } | 64 } |
| 65 | 65 |
| 66 } // namespace blink | 66 } // namespace blink |
| 67 | 67 |
| 68 #endif // LayoutTextCombine_h | 68 #endif // LayoutTextCombine_h |
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