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Diffstat (limited to 'vcl/inc/fontsubset.hxx')
| -rw-r--r-- | vcl/inc/fontsubset.hxx | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/vcl/inc/fontsubset.hxx b/vcl/inc/fontsubset.hxx new file mode 100644 index 000000000000..99b627153fa3 --- /dev/null +++ b/vcl/inc/fontsubset.hxx @@ -0,0 +1,101 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef _SV_FONTSUBSET_HXX +#define _SV_FONTSUBSET_HXX + +#include <tools/gen.hxx> +#include <tools/string.hxx> +#include <cstdio> + +#include "vcl/dllapi.h" + +namespace vcl { struct _TrueTypeFont; } // SFT's idea of a TTF font + +class VCL_DLLPUBLIC FontSubsetInfo +{ +public: + explicit FontSubsetInfo( void ); + virtual ~FontSubsetInfo( void ); + + enum FontType { + NO_FONT = 0, + SFNT_TTF = 1<<1, // SFNT container with TrueType glyphs + SFNT_CFF = 1<<2, // SFNT container with CFF-container + TYPE1_PFA = 1<<3, // PSType1 Postscript Font Ascii + TYPE1_PFB = 1<<4, // PSType1 Postscript Font Binary + CFF_FONT = 1<<5, // CFF-container with PSType2 glyphs + TYPE3_FONT = 1<<6, // PSType3 Postscript font + TYPE42_FONT = 1<<7, // PSType42 wrapper for an SFNT_TTF + ANY_SFNT = SFNT_TTF | SFNT_CFF, + ANY_TYPE1 = TYPE1_PFA | TYPE1_PFB, + ANY_FONT = 0xFF + }; + + bool LoadFont( FontType eInFontType, + const unsigned char* pFontBytes, int nByteLength ); + bool LoadFont( vcl::_TrueTypeFont* pSftTrueTypeFont ); + + bool CreateFontSubset( int nOutFontTypeMask, + FILE* pOutFile, const char* pOutFontName, + const long* pReqGlyphIds, const sal_uInt8* pEncodedIds, + int nReqGlyphCount, sal_Int32* pOutGlyphWidths = NULL ); + +public: // TODO: make subsetter results private and provide accessor methods instead + // subsetter-provided subset details needed by e.g. Postscript or PDF + String m_aPSName; + int m_nAscent; // all metrics in PS font units + int m_nDescent; + int m_nCapHeight; + Rectangle m_aFontBBox; + FontType m_nFontType; // font-type of subset result + +private: + // input-font-specific details + unsigned const char* mpInFontBytes; + int mnInByteLength; + FontType meInFontType; // allowed mask of input font-types + vcl::_TrueTypeFont* mpSftTTFont; + + // subset-request details + int mnReqFontTypeMask; // allowed subset-target font types + FILE* mpOutFile; + const char* mpReqFontName; + const long* mpReqGlyphIds; + const sal_uInt8* mpReqEncodedIds; + int mnReqGlyphCount; + +protected: + bool CreateFontSubsetFromCff( sal_Int32* pOutGlyphWidths = NULL ); + bool CreateFontSubsetFromSfnt( sal_Int32* pOutGlyphWidths = NULL ); + bool CreateFontSubsetFromType1( sal_Int32* pOutGlyphWidths = NULL ); +}; + +#endif // _SV_FONTSUBSET_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |