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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_GENERIC_GLYPHS_GCACH_FTYP_HXX
#define INCLUDED_VCL_GENERIC_GLYPHS_GCACH_FTYP_HXX
#include "unx/glyphcache.hxx"
#include "PhysicalFontFace.hxx"
// FreetypeFontFile has the responsibility that a font file is only mapped once.
// (#86621#) the old directly ft-managed solution caused it to be mapped
// in up to nTTC*nSizes*nOrientation*nSynthetic times
class FreetypeFontFile
{
public:
static FreetypeFontFile* FindFontFile( const OString& rNativeFileName );
bool Map();
void Unmap();
const unsigned char* GetBuffer() const { return mpFileMap; }
int GetFileSize() const { return mnFileSize; }
const OString& GetFileName() const { return maNativeFileName; }
int GetLangBoost() const { return mnLangBoost; }
private:
explicit FreetypeFontFile( const OString& rNativeFileName );
const OString maNativeFileName;
unsigned char* mpFileMap;
int mnFileSize;
int mnRefCount;
int mnLangBoost;
};
// FreetypeFontInfo corresponds to an unscaled font face
class FreetypeFontInfo
{
public:
FreetypeFontInfo( const FontAttributes&,
const OString& rNativeFileName,
int nFaceNum, sal_IntPtr nFontId);
~FreetypeFontInfo();
const unsigned char* GetTable( const char*, sal_uLong* pLength=nullptr ) const;
FT_FaceRec_* GetFaceFT();
void ReleaseFaceFT();
const OString& GetFontFileName() const { return mpFontFile->GetFileName(); }
int GetFontFaceIndex() const { return mnFaceNum; }
sal_IntPtr GetFontId() const { return mnFontId; }
bool IsSymbolFont() const { return maDevFontAttributes.IsSymbolFont(); }
const FontAttributes& GetFontAttributes() const { return maDevFontAttributes; }
void AnnounceFont( PhysicalFontCollection* );
bool GetFontCodeRanges( CmapResult& ) const;
const FontCharMapRef& GetFontCharMap();
private:
FT_FaceRec_* maFaceFT;
FreetypeFontFile* mpFontFile;
const int mnFaceNum;
int mnRefCount;
sal_IntPtr mnFontId;
FontAttributes maDevFontAttributes;
FontCharMapRef mxFontCharMap;
};
class FreetypeManager
{
public:
FreetypeManager();
~FreetypeManager();
void AddFontFile( const OString& rNormalizedName,
int nFaceNum, sal_IntPtr nFontId, const FontAttributes&);
void AnnounceFonts( PhysicalFontCollection* ) const;
void ClearFontList();
FreetypeFont* CreateFont( const FontSelectPattern& );
private:
typedef std::unordered_map<sal_IntPtr,FreetypeFontInfo*> FontList;
FontList maFontList;
sal_IntPtr mnMaxFontId;
};
class FreetypeFontFace : public PhysicalFontFace
{
private:
FreetypeFontInfo* mpFreetypeFontInfo;
public:
FreetypeFontFace( FreetypeFontInfo*, const FontAttributes& );
virtual LogicalFontInstance* CreateFontInstance( FontSelectPattern& ) const override;
virtual PhysicalFontFace* Clone() const override { return new FreetypeFontFace( *this ); }
virtual sal_IntPtr GetFontId() const override { return mpFreetypeFontInfo->GetFontId(); }
};
#endif // INCLUDED_VCL_GENERIC_GLYPHS_GCACH_FTYP_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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