+++ /dev/null
-//========================================================================
-//
-// FontFile.h
-//
-// Copyright 1999-2002 Glyph & Cog, LLC
-//
-//========================================================================
-
-#ifndef FONTFILE_H
-#define FONTFILE_H
-
-#ifdef __GNUC__
-#pragma interface
-#endif
-
-#include <stdio.h>
-#include "gtypes.h"
-#include "GString.h"
-#include "CharTypes.h"
-
-class CharCodeToUnicode;
-
-//------------------------------------------------------------------------
-// FontFile
-//------------------------------------------------------------------------
-
-class FontFile {
-public:
-
- FontFile();
- virtual ~FontFile();
-
- // Returns the font name, as specified internally by the font file.
- // Returns NULL if no name is available.
- virtual char *getName() = 0;
-
- // Returns the custom font encoding, or NULL if the encoding is not
- // available.
- virtual char **getEncoding() = 0;
-};
-
-//------------------------------------------------------------------------
-// Type1FontFile
-//------------------------------------------------------------------------
-
-class Type1FontFile: public FontFile {
-public:
-
- Type1FontFile(char *file, int len);
- virtual ~Type1FontFile();
- virtual char *getName() { return name; }
- virtual char **getEncoding() { return encoding; }
-
-private:
-
- char *name;
- char **encoding;
-};
-
-//------------------------------------------------------------------------
-// Type1CFontFile
-//------------------------------------------------------------------------
-
-struct Type1CTopDict;
-struct Type1CPrivateDict;
-
-class Type1CFontFile: public FontFile {
-public:
-
- Type1CFontFile(char *fileA, int lenA);
- virtual ~Type1CFontFile();
-
- virtual char *getName();
- virtual char **getEncoding();
-
- // 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);
-
- // 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);
-
- // 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 eexecCvtGlyph(char *glyphName, Guchar *s, int n);
- void cvtGlyph(Guchar *s, int n);
- void cvtGlyphWidth(GBool useOp);
- 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 *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
- int nOps; // number of operands
- double defaultWidthX; // default glyph width
- double nominalWidthX; // nominal glyph width
- GBool defaultWidthXFP; // true if defaultWidthX is fixed point
- GBool nominalWidthXFP; // true if nominalWidthX is fixed point
- Gushort r1; // eexec encryption key
- GString *charBuf; // charstring output buffer
- 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
git.asbjorn.biz / swftools.git / blobdiff