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Diffstat (limited to 'vcl/inc/cairotextrender.hxx')
-rw-r--r-- | vcl/inc/cairotextrender.hxx | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/vcl/inc/cairotextrender.hxx b/vcl/inc/cairotextrender.hxx new file mode 100644 index 000000000000..e5db2ab7e612 --- /dev/null +++ b/vcl/inc/cairotextrender.hxx @@ -0,0 +1,129 @@ +/* -*- 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_UNX_CAIROTEXTRENDER_HXX +#define INCLUDED_VCL_INC_UNX_CAIROTEXTRENDER_HXX + +#include "textrender.hxx" +#include <vcl/region.hxx> +#include <deque> + +typedef struct FT_FaceRec_* FT_Face; + +class PspSalPrinter; +class PspSalInfoPrinter; +class ServerFont; +class GlyphCache; +class ImplLayoutArgs; +class ServerFontLayout; +class PhysicalFontCollection; +class PhysicalFontFace; +struct _cairo_surface_t; +typedef struct _cairo_surface cairo_surface_t; +typedef struct _cairo cairo_t; + +class CairoFontsCache +{ +public: + struct CacheId + { + FT_Face maFace; + const void *mpOptions; + bool mbEmbolden; + bool mbVerticalMetrics; + bool operator ==(const CacheId& rOther) const + { + return maFace == rOther.maFace && + mpOptions == rOther.mpOptions && + mbEmbolden == rOther.mbEmbolden && + mbVerticalMetrics == rOther.mbVerticalMetrics; + } + }; +private: + static int mnRefCount; + typedef std::deque< std::pair<void *, CacheId> > LRUFonts; + static LRUFonts maLRUFonts; +public: + CairoFontsCache(); + static void CacheFont(void *pFont, const CacheId &rId); + static void* FindCachedFont(const CacheId &rId); + ~CairoFontsCache(); +}; + +class CairoTextRender : public TextRenderImpl +{ + bool mbPrinter; + ServerFont* mpServerFont[ MAX_FALLBACK ]; + + SalColor nTextColor_; + CairoFontsCache m_aCairoFontsCache; + +protected: + virtual GlyphCache& getPlatformGlyphCache() = 0; + virtual cairo_surface_t* getCairoSurface() = 0; + virtual void drawSurface(cairo_t* cr) = 0; + +bool setFont( const FontSelectPattern *pEntry, int nFallbackLevel ); + + virtual void clipRegion(cairo_t* cr) = 0; + +public: + CairoTextRender(bool bPrinter); + + + virtual void SetTextColor( SalColor nSalColor ) SAL_OVERRIDE; + virtual sal_uInt16 SetFont( FontSelectPattern*, int nFallbackLevel ) SAL_OVERRIDE; + virtual void GetFontMetric( ImplFontMetricData*, int nFallbackLevel ) SAL_OVERRIDE; + virtual const FontCharMapPtr GetFontCharMap() const SAL_OVERRIDE; + virtual bool GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const SAL_OVERRIDE; + virtual void GetDevFontList( PhysicalFontCollection* ) SAL_OVERRIDE; + virtual void ClearDevFontCache() SAL_OVERRIDE; + virtual bool AddTempDevFont( PhysicalFontCollection*, const OUString& rFileURL, const OUString& rFontName ) SAL_OVERRIDE; + virtual bool CreateFontSubset( const OUString& rToFile, + const PhysicalFontFace*, + sal_GlyphId* pGlyphIDs, + sal_uInt8* pEncoding, + sal_Int32* pWidths, + int nGlyphs, + FontSubsetInfo& rInfo + ) SAL_OVERRIDE; + virtual const Ucs2SIntMap* GetFontEncodingVector( const PhysicalFontFace*, const Ucs2OStrMap** ppNonEncoded ) SAL_OVERRIDE; + virtual const void* GetEmbedFontData( const PhysicalFontFace*, + const sal_Ucs* pUnicodes, + sal_Int32* pWidths, + FontSubsetInfo& rInfo, + long* pDataLen ) SAL_OVERRIDE; + virtual void FreeEmbedFontData( const void* pData, long nDataLen ) SAL_OVERRIDE; + virtual void GetGlyphWidths( const PhysicalFontFace*, + bool bVertical, + Int32Vector& rWidths, + Ucs2UIntMap& rUnicodeEnc ) SAL_OVERRIDE; + virtual bool GetGlyphBoundRect( sal_GlyphId nIndex, Rectangle& ) SAL_OVERRIDE; + virtual bool GetGlyphOutline( sal_GlyphId nIndex, ::basegfx::B2DPolyPolygon& ) SAL_OVERRIDE; + virtual SalLayout* GetTextLayout( ImplLayoutArgs&, int nFallbackLevel ) SAL_OVERRIDE; + virtual void DrawServerFontLayout( const ServerFontLayout& ) SAL_OVERRIDE; + virtual SystemFontData GetSysFontData( int nFallbackLevel ) const SAL_OVERRIDE; + +private: + bool bDisableGraphite_; +}; + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |