| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef _SV_FONTSUBSET_HXX |
| #define _SV_FONTSUBSET_HXX |
| |
| #include <tools/gen.hxx> |
| #include <tools/string.hxx> |
| #include <cstdio> |
| |
| #include "salglyphid.hxx" |
| #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 sal_GlyphId* pGlyphIds, 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 sal_GlyphId* 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 |
| |
