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58 lines
2.2 KiB
C++
58 lines
2.2 KiB
C++
/*
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* Copyright (C) 2011 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef RenderCombineText_h
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#define RenderCombineText_h
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#include "core/rendering/RenderText.h"
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#include "platform/fonts/Font.h"
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namespace blink {
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class RenderCombineText FINAL : public RenderText {
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public:
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RenderCombineText(Node*, PassRefPtr<StringImpl>);
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void combineText();
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void adjustTextOrigin(FloatPoint& textOrigin, const FloatRect& boxRect) const;
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void getStringToRender(int, StringView&, int& length) const;
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bool isCombined() const { return m_isCombined; }
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float combinedTextWidth(const Font& font) const { return font.fontDescription().computedSize(); }
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const Font& originalFont() const { return parent()->style()->font(); }
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private:
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virtual bool isCombineText() const OVERRIDE { return true; }
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virtual float width(unsigned from, unsigned length, const Font&, float xPosition, TextDirection, HashSet<const SimpleFontData*>* fallbackFonts = 0, GlyphOverflow* = 0) const OVERRIDE;
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virtual const char* renderName() const OVERRIDE { return "RenderCombineText"; }
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virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE;
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virtual void setTextInternal(PassRefPtr<StringImpl>) OVERRIDE;
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float m_combinedTextWidth;
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String m_renderingText;
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bool m_isCombined : 1;
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bool m_needsFontUpdate : 1;
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};
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DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderCombineText, isCombineText());
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} // namespace blink
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#endif // RenderCombineText_h
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