X-Git-Url: http://git.asbjorn.biz/?p=swftools.git;a=blobdiff_plain;f=pdf2swf%2Fxpdf%2FFontFile.h;h=d5de25c5a6996a944817e6932a43e699e54b2c78;hp=ec625ef28bd75a3e4222b7d0a300f103e92494a7;hb=50dd339d3d6262763616efe8d7ee415ab19befb9;hpb=33b4efceb35f7582426665aba920fd950edc0602 diff --git a/pdf2swf/xpdf/FontFile.h b/pdf2swf/xpdf/FontFile.h index ec625ef..d5de25c 100644 --- a/pdf2swf/xpdf/FontFile.h +++ b/pdf2swf/xpdf/FontFile.h @@ -2,7 +2,7 @@ // // FontFile.h // -// Copyright 1999 Derek B. Noonburg +// Copyright 1999-2002 Glyph & Cog, LLC // //======================================================================== @@ -16,7 +16,9 @@ #include #include "gtypes.h" #include "GString.h" -#include "FontEncoding.h" +#include "CharTypes.h" + +class CharCodeToUnicode; //------------------------------------------------------------------------ // FontFile @@ -32,10 +34,9 @@ public: // Returns NULL if no name is available. virtual char *getName() = 0; - // Returns the custom font encoding, or NULL if the encoding is - // not available. If is set, the caller of this function - // will be responsible for freeing the encoding object. - virtual FontEncoding *getEncoding(GBool taken) = 0; + // Returns the custom font encoding, or NULL if the encoding is not + // available. + virtual char **getEncoding() = 0; }; //------------------------------------------------------------------------ @@ -48,59 +49,79 @@ public: Type1FontFile(char *file, int len); virtual ~Type1FontFile(); virtual char *getName() { return name; } - virtual FontEncoding *getEncoding(GBool taken); + virtual char **getEncoding() { return encoding; } private: char *name; - FontEncoding *encoding; - GBool freeEnc; + char **encoding; }; //------------------------------------------------------------------------ // Type1CFontFile //------------------------------------------------------------------------ +struct Type1CTopDict; +struct Type1CPrivateDict; + class Type1CFontFile: public FontFile { public: - Type1CFontFile(char *file, int len); + Type1CFontFile(char *fileA, int lenA); virtual ~Type1CFontFile(); - virtual char *getName() { return name; } - virtual FontEncoding *getEncoding(GBool taken); -private: - - char *name; - FontEncoding *encoding; - GBool freeEnc; -}; + virtual char *getName(); + virtual char **getEncoding(); -//------------------------------------------------------------------------ -// Type1CFontConverter -//------------------------------------------------------------------------ + // Convert to a Type 1 font, suitable for embedding in a PostScript + // file. The name will be used as the PostScript font name. + void convertToType1(FILE *outA); -class Type1CFontConverter { -public: + // Convert to a Type 0 CIDFont, suitable for embedding in a + // PostScript file. The name will be used as the PostScript font + // name. + void convertToCIDType0(char *psName, FILE *outA); - Type1CFontConverter(char *file, int len, FILE *out); - ~Type1CFontConverter(); - void convert(); + // Convert to a Type 0 (but non-CID) composite font, suitable for + // embedding in a PostScript file. The name will be used as the + // PostScript font name. + void convertToType0(char *psName, FILE *outA); private: + void readNameAndEncoding(); + void readTopDict(Type1CTopDict *dict); + void readPrivateDict(Type1CPrivateDict *privateDict, + int offset, int size); + Gushort *readCharset(int charset, int nGlyphs); void eexecWrite(char *s); - void cvtGlyph(char *name, Guchar *s, int n); + void eexecCvtGlyph(char *glyphName, Guchar *s, int n); + void cvtGlyph(Guchar *s, int n); void cvtGlyphWidth(GBool useOp); - void eexecDumpNum(double x, GBool fp); - void eexecDumpOp1(int op); - void eexecDumpOp2(int op); + void eexecDumpNum(double x, GBool fpA); + void eexecDumpOp1(int opA); + void eexecDumpOp2(int opA); void eexecWriteCharstring(Guchar *s, int n); - void getDeltaInt(char *buf, char *name, double *op, int n); - void getDeltaReal(char *buf, char *name, double *op, int n); + void getDeltaInt(char *buf, char *key, double *opA, int n); + void getDeltaReal(char *buf, char *key, double *opA, int n); + int getIndexLen(Guchar *indexPtr); + Guchar *getIndexValPtr(Guchar *indexPtr, int i); + Guchar *getIndexEnd(Guchar *indexPtr); + Guint getWord(Guchar *ptr, int size); + double getNum(Guchar **ptr, GBool *fp); + char *getString(int sid, char *buf); char *file; int len; + + GString *name; + char **encoding; + + int topOffSize; + Guchar *topDictIdxPtr; + Guchar *stringIdxPtr; + Guchar *gsubrIdxPtr; + FILE *out; double op[48]; // operands GBool fp[48]; // true if operand is fixed point @@ -114,4 +135,81 @@ private: int line; // number of eexec chars on current line }; +//------------------------------------------------------------------------ +// TrueTypeFontFile +//------------------------------------------------------------------------ + +struct TTFontTableHdr; + +class TrueTypeFontFile: public FontFile { +public: + + TrueTypeFontFile(char *fileA, int lenA); + ~TrueTypeFontFile(); + + // This always returns NULL, since it's probably better to trust the + // font name in the PDF file rather than the one in the TrueType + // font file. + virtual char *getName(); + + virtual char **getEncoding(); + + // Convert to a Type 42 font, suitable for embedding in a PostScript + // file. The name will be used as the PostScript font name (so we + // don't need to depend on the 'name' table in the font). The + // encoding is needed because the PDF Font object can modify the + // encoding. + void convertToType42(char *name, char **encodingA, + CharCodeToUnicode *toUnicode, + GBool pdfFontHasEncoding, FILE *out); + + // Convert to a Type 2 CIDFont, suitable for embedding in a + // PostScript file. The name will be used as the PostScript font + // name (so we don't need to depend on the 'name' table in the + // font). + void convertToCIDType2(char *name, Gushort *cidMap, + int nCIDs, FILE *out); + + // Convert to a Type 0 (but non-CID) composite font, suitable for + // embedding in a PostScript file. The name will be used as the + // PostScript font name (so we don't need to depend on the 'name' + // table in the font). + void convertToType0(char *name, Gushort *cidMap, + int nCIDs, FILE *out); + + // Write a TTF file, filling in any missing tables that are required + // by the TrueType spec. If the font already has all the required + // tables, it will be written unmodified. + void writeTTF(FILE *out); + +private: + + char *file; + int len; + + char **encoding; + + TTFontTableHdr *tableHdrs; + int nTables; + int bbox[4]; + int locaFmt; + int nGlyphs; + + int getByte(int pos); + int getChar(int pos); + int getUShort(int pos); + int getShort(int pos); + Guint getULong(int pos); + double getFixed(int pos); + int seekTable(char *tag); + int seekTableIdx(char *tag); + void cvtEncoding(char **encodingA, FILE *out); + void cvtCharStrings(char **encodingA, CharCodeToUnicode *toUnicode, + GBool pdfFontHasEncoding, FILE *out); + int getCmapEntry(int cmapFmt, int pos, int code); + void cvtSfnts(FILE *out, GString *name); + void dumpString(char *s, int length, FILE *out); + Guint computeTableChecksum(char *data, int length); +}; + #endif