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Diffstat (limited to 'vcl/inc/graphite_layout.hxx')
| -rw-r--r-- | vcl/inc/graphite_layout.hxx | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/vcl/inc/graphite_layout.hxx b/vcl/inc/graphite_layout.hxx deleted file mode 100644 index 7aacf4351ef2..000000000000 --- a/vcl/inc/graphite_layout.hxx +++ /dev/null @@ -1,159 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/* - * This file is part of the LibreOffice project. - * - * This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. - * - * This file incorporates work covered by the following license notice: - * - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed - * with this work for additional information regarding copyright - * ownership. The ASF licenses this file to you under the Apache - * License, Version 2.0 (the "License"); you may not use this file - * except in compliance with the License. You may obtain a copy of - * the License at http://www.apache.org/licenses/LICENSE-2.0 . - */ - -#ifndef INCLUDED_VCL_INC_GRAPHITE_LAYOUT_HXX -#define INCLUDED_VCL_INC_GRAPHITE_LAYOUT_HXX -// Description: An implementation of the SalLayout interface that uses the -// Graphite engine. - -// We need this to enable namespace support in libgrengine headers. -#define GR_NAMESPACE - -#include <memory> -#include <vector> -#include <map> -#include <utility> - -#include <graphite_static.hxx> -#include <graphite2/Font.h> -#include <graphite2/Segment.h> - -#include <vcl/dllapi.h> - -#include "sallayout.hxx" - -class FreetypeFont; -class PhysicalFontFace; - -namespace grutils { class GrFeatureParser; } - -class GraphiteFaceWrapper -{ -public: - typedef std::map<std::pair<int, int>, gr_font*> GrFontMap; - GraphiteFaceWrapper(gr_face * pFace) : m_pFace(pFace) {} - ~GraphiteFaceWrapper() - { - GrFontMap::iterator i = m_fonts.begin(); - while (i != m_fonts.end()) - gr_font_destroy((*i++).second); - m_fonts.clear(); - gr_face_destroy(m_pFace); - } - const gr_face * face() const { return m_pFace; } - gr_font * font(int ppm, bool isBold, bool isItalic) const - { - int styleKey = int(isBold) | (int(isItalic) << 1); - GrFontMap::const_iterator i = m_fonts.find(std::pair<int, int>(ppm, styleKey)); - if (i != m_fonts.end()) - return i->second; - return nullptr; - }; - void addFont(int ppm, gr_font * pFont, bool isBold, bool isItalic) - { - int styleKey = int(isBold) | (int(isItalic) << 1); - std::pair<int, int> key(ppm, styleKey); - if (m_fonts[key]) - gr_font_destroy(m_fonts[key]); - m_fonts[key] = pFont; - } -private: - gr_face * m_pFace; - GrFontMap m_fonts; -}; - -// This class uses the SIL Graphite engine to provide complex text layout services to the VCL -// @author tse - -class VCL_PLUGIN_PUBLIC GraphiteLayout : public SalLayout -{ -public: - typedef std::vector<GlyphItem> Glyphs; - - mutable Glyphs mvGlyphs; - void clear(); - -private: - const gr_face * mpFace; // not owned by layout - gr_font * mpFont; // not owned by layout - unsigned int mnSegCharOffset; // relative to ImplLayoutArgs::mpStr - long mnWidth; - std::vector<int> mvChar2BaseGlyph; - std::vector<int> mvChar2Glyph; - std::vector<int> mvGlyph2Char; - std::vector<int> mvCharDxs; - std::vector<int> mvCharBreaks; - float mfScaling; - const grutils::GrFeatureParser * mpFeatures; - -public: - GraphiteLayout(const gr_face * pFace) throw(); - - // used by upper layers - virtual bool LayoutText( ImplLayoutArgs& ) override; // first step of layout - // split into two stages to allow dc to be restored on the segment - - virtual void AdjustLayout( ImplLayoutArgs& ) override; // adjusting positions - - // methods using string indexing - virtual sal_Int32 GetTextBreak(DeviceCoordinate nMaxWidth, DeviceCoordinate nCharExtra, int nFactor) const override; - virtual DeviceCoordinate FillDXArray( DeviceCoordinate* pDXArray ) const override; - void ApplyDXArray(ImplLayoutArgs &rArgs, std::vector<int> & rDeltaWidth); - - virtual void GetCaretPositions( int nArraySize, long* pCaretXArray ) const override; - - // methods using glyph indexing - virtual int GetNextGlyphs(int nLen, sal_GlyphId* pGlyphIdxAry, ::Point & rPos, int&, - long* pGlyphAdvAry = nullptr, int* pCharPosAry = nullptr, - const PhysicalFontFace** pFallbackFonts = nullptr ) const override; - - // used by glyph+font+script fallback - virtual void MoveGlyph( int nStart, long nNewXPos ) override; - virtual void DropGlyph( int nStart ) override; - virtual void Simplify( bool bIsBase ) override; - - // Dummy implementation so layout can be shared between Linux/Windows - virtual void DrawText(SalGraphics&) const override {}; - - virtual ~GraphiteLayout() throw() override; - void SetFont(gr_font * pFont) { mpFont = pFont; } -#ifdef _WIN32 - gr_font * GetFont() { return mpFont; } - void SetFontScale(float s) { mfScaling = s; }; -#endif - void SetFeatures(grutils::GrFeatureParser * aFeature) { mpFeatures = aFeature; } - virtual sal_GlyphId getKashidaGlyph(int & width) = 0; - void kashidaJustify(std::vector<int> & rDeltaWidth, sal_GlyphId, int width); - - static const int EXTRA_CONTEXT_LENGTH; -private: - void expandOrCondense(ImplLayoutArgs &rArgs); - void fillFrom(gr_segment * rSeg, ImplLayoutArgs & rArgs, float fScaling, bool bRtl, int firstCharOffset); - - float append(gr_segment * pSeg, - ImplLayoutArgs & rArgs, - const gr_slot * pSlot, float gOrigin, - float nextGlyphOrigin, float fScaling, - long & rDXOffset, bool bIsBase, int baseChar, int baseGlyph, bool bRtl); - unsigned int ScanFwdForChar(int &findChar, bool fallback) const; -}; - -#endif // INCLUDED_VCL_INC_GRAPHITE_LAYOUT_HXX - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |