1/* 2 * Copyright (C) Research In Motion Limited 2011. 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 SVGTextRunRenderingContext_h 22#define SVGTextRunRenderingContext_h 23 24#include "Font.h" 25#include "TextRun.h" 26 27namespace WebCore { 28 29class RenderObject; 30class RenderSVGResource; 31 32class SVGTextRunRenderingContext final : public TextRun::RenderingContext { 33public: 34 static PassRef<SVGTextRunRenderingContext> create(RenderObject& renderer) 35 { 36 return adoptRef(*new SVGTextRunRenderingContext(renderer)); 37 } 38 39 RenderObject& renderer() const { return m_renderer; } 40 41#if ENABLE(SVG_FONTS) 42 RenderSVGResource* activePaintingResource() const { return m_activePaintingResource; } 43 void setActivePaintingResource(RenderSVGResource* object) { m_activePaintingResource = object; } 44 45 virtual GlyphData glyphDataForCharacter(const Font&, WidthIterator&, UChar32 character, bool mirror, int currentCharacter, unsigned& advanceLength) override; 46 virtual void drawSVGGlyphs(GraphicsContext*, const SimpleFontData*, const GlyphBuffer&, int from, int to, const FloatPoint&) const override; 47 virtual float floatWidthUsingSVGFont(const Font&, const TextRun&, int& charsConsumed, String& glyphName) const override; 48 virtual bool applySVGKerning(const SimpleFontData*, WidthIterator&, GlyphBuffer*, int from) const override; 49#endif 50 51private: 52 SVGTextRunRenderingContext(RenderObject& renderer) 53 : m_renderer(renderer) 54#if ENABLE(SVG_FONTS) 55 , m_activePaintingResource(0) 56#endif 57 { 58 } 59 60 virtual ~SVGTextRunRenderingContext() { } 61 62#if ENABLE(SVG_FONTS) 63 virtual std::unique_ptr<GlyphToPathTranslator> createGlyphToPathTranslator(const SimpleFontData&, const TextRun*, const GlyphBuffer&, int from, int numGlyphs, const FloatPoint&) const override; 64#endif 65 66 RenderObject& m_renderer; 67 68#if ENABLE(SVG_FONTS) 69 RenderSVGResource* m_activePaintingResource; 70#endif 71}; 72 73} // namespace WebCore 74 75#endif // SVGTextRunRenderingContext_h 76