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| 1 /* | |
| 2 * Copyright (C) 2011 Apple Inc. All rights reserved. | |
| 3 * | |
| 4 * This library is free software; you can redistribute it and/or | |
| 5 * modify it under the terms of the GNU Library General Public | |
| 6 * License as published by the Free Software Foundation; either | |
| 7 * version 2 of the License, or (at your option) any later version. | |
| 8 * | |
| 9 * This library is distributed in the hope that it will be useful, | |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 * Library General Public License for more details. | |
| 13 * | |
| 14 * You should have received a copy of the GNU Library General Public License | |
| 15 * along with this library; see the file COPYING.LIB. If not, write to | |
| 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 17 * Boston, MA 02110-1301, USA. | |
| 18 * | |
| 19 */ | |
| 20 | |
| 21 #ifndef RenderCombineText_h | |
| 22 #define RenderCombineText_h | |
| 23 | |
| 24 #include "core/rendering/RenderText.h" | |
| 25 #include "platform/fonts/Font.h" | |
| 26 | |
| 27 namespace blink { | |
| 28 | |
| 29 class RenderCombineText final : public RenderText { | |
| 30 public: | |
| 31 RenderCombineText(Node*, PassRefPtr<StringImpl>); | |
| 32 | |
| 33 void combineText(); | |
| 34 void adjustTextOrigin(FloatPoint& textOrigin, const FloatRect& boxRect) cons
t; | |
| 35 void getStringToRender(int, StringView&, int& length) const; | |
| 36 bool isCombined() const { return m_isCombined; } | |
| 37 float combinedTextWidth(const Font& font) const { return font.fontDescriptio
n().computedSize(); } | |
| 38 const Font& originalFont() const { return parent()->style()->font(); } | |
| 39 | |
| 40 private: | |
| 41 virtual bool isCombineText() const override { return true; } | |
| 42 virtual float width(unsigned from, unsigned length, const Font&, float xPosi
tion, TextDirection, HashSet<const SimpleFontData*>* fallbackFonts = 0, GlyphOve
rflow* = 0) const override; | |
| 43 virtual const char* renderName() const override { return "RenderCombineText"
; } | |
| 44 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) ov
erride; | |
| 45 virtual void setTextInternal(PassRefPtr<StringImpl>) override; | |
| 46 | |
| 47 float m_combinedTextWidth; | |
| 48 String m_renderingText; | |
| 49 bool m_isCombined : 1; | |
| 50 bool m_needsFontUpdate : 1; | |
| 51 }; | |
| 52 | |
| 53 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderCombineText, isCombineText()); | |
| 54 | |
| 55 } // namespace blink | |
| 56 | |
| 57 #endif // RenderCombineText_h | |
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