+ double fontMat[6]; // font matrix (Type 3 only)
+ double fontBBox[4]; // font bounding box (Type 3 only)
+ double missingWidth; // "default" width
+ double ascent; // max height above baseline
+ double descent; // max depth below baseline
+ GBool ok;
+};
+
+//------------------------------------------------------------------------
+// Gfx8BitFont
+//------------------------------------------------------------------------
+
+class Gfx8BitFont: public GfxFont {
+public:
+
+ Gfx8BitFont(XRef *xref, char *tagA, Ref idA, GString *nameA,
+ GfxFontType typeA, Dict *fontDict);
+
+ virtual ~Gfx8BitFont();
+
+ virtual int getNextChar(char *s, int len, CharCode *code,
+ Unicode *u, int uSize, int *uLen,
+ double *dx, double *dy, double *ox, double *oy);
+
+ // Return the encoding.
+ char **getEncoding() { return enc; }
+
+ // Return the Unicode map.
+ CharCodeToUnicode *getToUnicode();
+
+ // Return the character name associated with <code>.
+ char *getCharName(int code) { return enc[code]; }
+
+ // Returns true if the PDF font specified an encoding.
+ GBool getHasEncoding() { return hasEncoding; }
+
+ // Returns true if the PDF font specified MacRomanEncoding.
+ GBool getUsesMacRomanEnc() { return usesMacRomanEnc; }
+
+ // Get width of a character.
+ double getWidth(Guchar c) { return widths[c]; }
+
+ // Return a char code-to-GID mapping for the provided font file.
+ // (This is only useful for TrueType fonts.)
+ Gushort *getCodeToGIDMap(FoFiTrueType *ff);
+
+ // Return the Type 3 CharProc dictionary, or NULL if none.
+ Dict *getCharProcs();
+
+ // Return the Type 3 CharProc for the character associated with <code>.
+ Object *getCharProc(int code, Object *proc);
+
+ // Return the Type 3 Resources dictionary, or NULL if none.
+ Dict *getResources();
+
+private:
+
+ char *enc[256]; // char code --> char name
+ char encFree[256]; // boolean for each char name: if set,
+ // the string is malloc'ed
+ CharCodeToUnicode *ctu; // char code --> Unicode
+ GBool hasEncoding;
+ GBool usesMacRomanEnc;
+ double widths[256]; // character widths
+ Object charProcs; // Type 3 CharProcs dictionary
+ Object resources; // Type 3 Resources dictionary
+};
+
+//------------------------------------------------------------------------
+// GfxCIDFont
+//------------------------------------------------------------------------
+
+class GfxCIDFont: public GfxFont {
+public:
+
+ GfxCIDFont(XRef *xref, char *tagA, Ref idA, GString *nameA,
+ Dict *fontDict);
+
+ virtual ~GfxCIDFont();
+
+ virtual GBool isCIDFont() { return gTrue; }
+
+ virtual int getNextChar(char *s, int len, CharCode *code,
+ Unicode *u, int uSize, int *uLen,
+ double *dx, double *dy, double *ox, double *oy);
+
+ // Return the writing mode (0=horizontal, 1=vertical).
+ virtual int getWMode();
+
+ // Return the Unicode map.
+ CharCodeToUnicode *getToUnicode();
+
+ // Get the collection name (<registry>-<ordering>).
+ GString *getCollection();
+
+ // Return the CID-to-GID mapping table. These should only be called
+ // if type is fontCIDType2.
+ Gushort *getCIDToGID() { return cidToGID; }
+ int getCIDToGIDLen() { return cidToGIDLen; }
+
+private:
+
+ CMap *cMap; // char code --> CID
+ CharCodeToUnicode *ctu; // CID --> Unicode
+ GfxFontCIDWidths widths; // character widths
+ Gushort *cidToGID; // CID --> GID mapping (for embedded
+ // TrueType fonts)
+ int cidToGIDLen;