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 "Font.h" 25#include "RenderElement.h" 26#include "RenderText.h" 27#include "Text.h" 28 29namespace WebCore { 30 31class RenderCombineText final : public RenderText { 32public: 33 RenderCombineText(Text&, PassRefPtr<StringImpl>); 34 35 Text& textNode() const { return toText(nodeForNonAnonymous()); } 36 37 void combineText(); 38 void adjustTextOrigin(FloatPoint& textOrigin, const FloatRect& boxRect) const; 39 void getStringToRender(int, String&, int& length) const; 40 bool isCombined() const { return m_isCombined; } 41 float combinedTextWidth(const Font& font) const { return font.size(); } 42 const Font& originalFont() const { return parent()->style().font(); } 43 const Font& textCombineFont() const { return m_combineFontStyle->font(); } 44 45private: 46 void node() const = delete; 47 48 virtual bool isCombineText() const { return true; } 49 virtual float width(unsigned from, unsigned length, const Font&, float xPosition, HashSet<const SimpleFontData*>* fallbackFonts = 0, GlyphOverflow* = 0) const; 50 virtual const char* renderName() const { return "RenderCombineText"; } 51 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); 52 virtual void setRenderedText(const String&) override; 53 54 RefPtr<RenderStyle> m_combineFontStyle; 55 float m_combinedTextWidth; 56 bool m_isCombined : 1; 57 bool m_needsFontUpdate : 1; 58}; 59 60RENDER_OBJECT_TYPE_CASTS(RenderCombineText, isCombineText()) 61 62} // namespace WebCore 63 64#endif // RenderCombineText_h 65