1161f4cd1SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3161f4cd1SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4161f4cd1SAndrew Rist * or more contributor license agreements. See the NOTICE file 5161f4cd1SAndrew Rist * distributed with this work for additional information 6161f4cd1SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7161f4cd1SAndrew Rist * to you under the Apache License, Version 2.0 (the 8161f4cd1SAndrew Rist * "License"); you may not use this file except in compliance 9161f4cd1SAndrew Rist * with the License. You may obtain a copy of the License at 10cdf0e10cSrcweir * 11161f4cd1SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12cdf0e10cSrcweir * 13161f4cd1SAndrew Rist * Unless required by applicable law or agreed to in writing, 14161f4cd1SAndrew Rist * software distributed under the License is distributed on an 15161f4cd1SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16161f4cd1SAndrew Rist * KIND, either express or implied. See the License for the 17161f4cd1SAndrew Rist * specific language governing permissions and limitations 18161f4cd1SAndrew Rist * under the License. 19cdf0e10cSrcweir * 20161f4cd1SAndrew Rist *************************************************************/ 21161f4cd1SAndrew Rist 22161f4cd1SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir #ifndef _SV_FONTSUBSET_HXX 25cdf0e10cSrcweir #define _SV_FONTSUBSET_HXX 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include <tools/gen.hxx> 28cdf0e10cSrcweir #include <tools/string.hxx> 29cdf0e10cSrcweir #include <cstdio> 30cdf0e10cSrcweir 31*248a599fSHerbert Dürr #include "salglyphid.hxx" 32cdf0e10cSrcweir #include "vcl/dllapi.h" 33cdf0e10cSrcweir 34cdf0e10cSrcweir namespace vcl { struct _TrueTypeFont; } // SFT's idea of a TTF font 35cdf0e10cSrcweir 36cdf0e10cSrcweir class VCL_DLLPUBLIC FontSubsetInfo 37cdf0e10cSrcweir { 38cdf0e10cSrcweir public: 39cdf0e10cSrcweir explicit FontSubsetInfo( void ); 40cdf0e10cSrcweir virtual ~FontSubsetInfo( void ); 41cdf0e10cSrcweir 42cdf0e10cSrcweir enum FontType { 43cdf0e10cSrcweir NO_FONT = 0, 44cdf0e10cSrcweir SFNT_TTF = 1<<1, // SFNT container with TrueType glyphs 45cdf0e10cSrcweir SFNT_CFF = 1<<2, // SFNT container with CFF-container 46cdf0e10cSrcweir TYPE1_PFA = 1<<3, // PSType1 Postscript Font Ascii 47cdf0e10cSrcweir TYPE1_PFB = 1<<4, // PSType1 Postscript Font Binary 48cdf0e10cSrcweir CFF_FONT = 1<<5, // CFF-container with PSType2 glyphs 49cdf0e10cSrcweir TYPE3_FONT = 1<<6, // PSType3 Postscript font 50cdf0e10cSrcweir TYPE42_FONT = 1<<7, // PSType42 wrapper for an SFNT_TTF 51cdf0e10cSrcweir ANY_SFNT = SFNT_TTF | SFNT_CFF, 52cdf0e10cSrcweir ANY_TYPE1 = TYPE1_PFA | TYPE1_PFB, 53cdf0e10cSrcweir ANY_FONT = 0xFF 54cdf0e10cSrcweir }; 55cdf0e10cSrcweir 56cdf0e10cSrcweir bool LoadFont( FontType eInFontType, 57cdf0e10cSrcweir const unsigned char* pFontBytes, int nByteLength ); 58cdf0e10cSrcweir bool LoadFont( vcl::_TrueTypeFont* pSftTrueTypeFont ); 59cdf0e10cSrcweir 60cdf0e10cSrcweir bool CreateFontSubset( int nOutFontTypeMask, 61cdf0e10cSrcweir FILE* pOutFile, const char* pOutFontName, 62*248a599fSHerbert Dürr const sal_GlyphId* pGlyphIds, const sal_uInt8* pEncodedIds, 63cdf0e10cSrcweir int nReqGlyphCount, sal_Int32* pOutGlyphWidths = NULL ); 64cdf0e10cSrcweir 65cdf0e10cSrcweir public: // TODO: make subsetter results private and provide accessor methods instead 66cdf0e10cSrcweir // subsetter-provided subset details needed by e.g. Postscript or PDF 67cdf0e10cSrcweir String m_aPSName; 68cdf0e10cSrcweir int m_nAscent; // all metrics in PS font units 69cdf0e10cSrcweir int m_nDescent; 70cdf0e10cSrcweir int m_nCapHeight; 71cdf0e10cSrcweir Rectangle m_aFontBBox; 72cdf0e10cSrcweir FontType m_nFontType; // font-type of subset result 73cdf0e10cSrcweir 74cdf0e10cSrcweir private: 75cdf0e10cSrcweir // input-font-specific details 76cdf0e10cSrcweir unsigned const char* mpInFontBytes; 77cdf0e10cSrcweir int mnInByteLength; 78cdf0e10cSrcweir FontType meInFontType; // allowed mask of input font-types 79cdf0e10cSrcweir vcl::_TrueTypeFont* mpSftTTFont; 80cdf0e10cSrcweir 81cdf0e10cSrcweir // subset-request details 82cdf0e10cSrcweir int mnReqFontTypeMask; // allowed subset-target font types 83cdf0e10cSrcweir FILE* mpOutFile; 84cdf0e10cSrcweir const char* mpReqFontName; 85*248a599fSHerbert Dürr const sal_GlyphId* mpReqGlyphIds; 86cdf0e10cSrcweir const sal_uInt8* mpReqEncodedIds; 87cdf0e10cSrcweir int mnReqGlyphCount; 88cdf0e10cSrcweir 89cdf0e10cSrcweir protected: 90cdf0e10cSrcweir bool CreateFontSubsetFromCff( sal_Int32* pOutGlyphWidths = NULL ); 91cdf0e10cSrcweir bool CreateFontSubsetFromSfnt( sal_Int32* pOutGlyphWidths = NULL ); 92cdf0e10cSrcweir bool CreateFontSubsetFromType1( sal_Int32* pOutGlyphWidths = NULL ); 93cdf0e10cSrcweir }; 94cdf0e10cSrcweir 95cdf0e10cSrcweir #endif // _SV_FONTSUBSET_HXX 96