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