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/* -*- 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 <vcl/region.hxx>
#include "textrender.hxx"
#include <deque>
typedef struct FT_FaceRec_* FT_Face;
class ServerFont;
class GlyphCache;
typedef struct _cairo cairo_t;
class VCL_DLLPUBLIC 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:
typedef std::deque< std::pair<void *, CacheId> > LRUFonts;
static LRUFonts maLRUFonts;
public:
CairoFontsCache() = delete;
static void CacheFont(void *pFont, const CacheId &rId);
static void* FindCachedFont(const CacheId &rId);
};
class VCL_DLLPUBLIC CairoTextRender : public TextRenderImpl
{
ServerFont* mpServerFont[ MAX_FALLBACK ];
SalColor mnTextColor;
bool bDisableGraphite_;
protected:
virtual GlyphCache& getPlatformGlyphCache() = 0;
virtual cairo_t* getCairoContext() = 0;
virtual void getSurfaceOffset(double& nDX, double& nDY) = 0;
virtual void releaseCairoContext(cairo_t* cr) = 0;
bool setFont( const FontSelectPattern *pEntry, int nFallbackLevel );
virtual void clipRegion(cairo_t* cr) = 0;
public:
CairoTextRender();
virtual void SetTextColor( SalColor nSalColor ) override;
virtual void SetFont( FontSelectPattern*, int nFallbackLevel ) override;
virtual void GetFontMetric( ImplFontMetricDataPtr&, int nFallbackLevel ) override;
virtual const FontCharMapPtr GetFontCharMap() const override;
virtual bool GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const override;
virtual void GetDevFontList( PhysicalFontCollection* ) override;
virtual void ClearDevFontCache() override;
virtual bool AddTempDevFont( PhysicalFontCollection*, const OUString& rFileURL, const OUString& rFontName ) override;
virtual bool CreateFontSubset(
const OUString& rToFile,
const PhysicalFontFace*,
const sal_GlyphId* pGlyphIDs,
const sal_uInt8* pEncoding,
sal_Int32* pWidths,
int nGlyphs,
FontSubsetInfo& rInfo) override;
virtual const Ucs2SIntMap* GetFontEncodingVector( const PhysicalFontFace*, const Ucs2OStrMap** ppNonEncoded, std::set<sal_Unicode> const**) override;
virtual const void* GetEmbedFontData(
const PhysicalFontFace*,
const sal_Ucs* pUnicodes,
sal_Int32* pWidths,
size_t nLen,
FontSubsetInfo& rInfo,
long* pDataLen ) override;
virtual void FreeEmbedFontData( const void* pData, long nDataLen ) override;
virtual void GetGlyphWidths(
const PhysicalFontFace*,
bool bVertical,
Int32Vector& rWidths,
Ucs2UIntMap& rUnicodeEnc ) override;
virtual bool GetGlyphBoundRect( sal_GlyphId nIndex, Rectangle& ) override;
virtual bool GetGlyphOutline( sal_GlyphId nIndex, basegfx::B2DPolyPolygon& ) override;
virtual SalLayout* GetTextLayout( ImplLayoutArgs&, int nFallbackLevel ) override;
virtual void DrawServerFontLayout( const ServerFontLayout& ) override;
#if ENABLE_CAIRO_CANVAS
virtual SystemFontData GetSysFontData( int nFallbackLevel ) const override;
#endif
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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