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- /*
- * see COPYRIGHT
- */
-
-
- /* options */
-
- extern int encode; /* encode the resulting file */
- extern int pfbflag; /* produce compressed file */
- extern int wantafm; /* want to see .afm instead of .t1a on stdout */
- extern int correctvsize; /* try to correct the vertical size of characters */
- extern int wantuid; /* user wants UniqueID entry in the font */
- extern int allglyphs; /* convert all glyphs, not only 256 of them */
- extern int warnlevel; /* the level of permitted warnings */
- extern int forcemap; /* do mapping even on non-Unicode fonts */
- /* options - maximal limits */
- extern int max_stemdepth; /* maximal depth of stem stack in interpreter */
- /* options - debugging */
- extern int absolute; /* print out in absolute values */
- extern int reverse; /* reverse font to Type1 path directions */
- /* options - suboptions of Outline Processing */
- extern int optimize; /* enables space optimization */
- extern int smooth; /* enable smoothing of outlines */
- extern int transform; /* enables transformation to 1000x1000 matrix */
- extern int hints; /* enables autogeneration of hints */
- extern int subhints; /* enables autogeneration of substituted hints */
- extern int trybold; /* try to guess whether the font is bold */
- extern int correctwidth; /* try to correct the character width */
-
- /* not quite options to select a particular source encoding */
- extern int force_pid; /* specific platform id */
- extern int force_eid; /* specific encoding id */
-
- /* other globals */
- extern FILE *pfa_file, *afm_file;
- extern int numglyphs;
-
- /* warnings */
-
- #define WARNING_1 if(warnlevel >= 1)
- #define WARNING_2 if(warnlevel >= 2)
- #define WARNING_3 if(warnlevel >= 3)
- #define WARNING_4 if(warnlevel >= 4)
-
- /*
- * Bitmap control macros
- */
-
- #define BITMAP_BYTES(size) (((size)+7)>>3)
- #define DEF_BITMAP(name, size) unsigned char name[BITMAP_BYTES(size)]
- #define SET_BITMAP(name, bit) ( name[(bit)>>3] |= (1<<((bit)&7)) )
- #define CLR_BITMAP(name, bit) ( name[(bit)>>3] &= ~(1<<((bit)&7)) )
- #define IS_BITMAP(name, bit) ( name[(bit)>>3] & (1<<((bit)&7)) )
-
- /* debugging */
-
- /* debug flags */
- #define DEBUG_UNICODE 0x00000001 /* unicode to 8-bit code conversion */
- #define DEBUG_MAINSTEMS 0x00000002 /* glyph-wide main stem generation */
- #define DEBUG_SUBSTEMS 0x00000004 /* substituted stem generation */
- #define DEBUG_STEMS (DEBUG_MAINSTEMS|DEBUG_SUBSTEMS)
- #define DEBUG_REVERSAL 0x00000008 /* reversal of the paths */
- #define DEBUG_FIXCVDIR 0x00000010 /* fixcvdir() */
- #define DEBUG_STEMOVERLAP 0x00000020 /* stemoverlap() */
- #define DEBUG_BLUESTEMS 0x00000040 /* markbluestems() */
- #define DEBUG_STRAIGHTEN 0x00000080 /* markbluestems() */
- #define DEBUG_EXTMAP 0x00000100 /* parsing of external map */
- #define DEBUG_TOINT 0x00000200 /* conversion of path to integer */
- #define DEBUG_BUILDG 0x00000400 /* building of glyph path */
- #define DEBUG_QUAD 0x00000800 /* splitting curves by quadrants */
- #define DEBUG_SQEQ 0x00001000 /* square equation solver */
- #define DEBUG_COMPOSITE 0x00002000 /* handling of composite glyphs */
- #define DEBUG_FCONCISE 0x00004000 /* normalization of curves */
- #define DEBUG_FT 0x00008000 /* FreeType front-end */
- #define DEBUG_DISABLED 0x80000000 /* special flag: temporary disable debugging */
-
- /* at what we want to look now */
- #ifndef DEBUG
- # define DEBUG (0)
- #endif
-
- /* uncomment the next line if debugging data is wanted for one glyph only */
- /* #define DBG_GLYPH "_517" /* */
-
- #if DEBUG==0
- # define ISDBG(name) (0)
- # define ENABLEDBG(condition) (0)
- # define DISABLEDBG(condition) (0)
- #else
- extern int debug; /* collection of the flags */
- /* this ISDBG will only work on ANSI C, not K&R */
- # define ISDBG(name) ( (debug & DEBUG_DISABLED) ? 0 : (debug & (DEBUG_##name)) )
- # define ENABLEDBG(condition) ( (condition) ? (debug&=~DEBUG_DISABLED) : 0 )
- # define DISABLEDBG(condition) ( (condition) ? (debug|=DEBUG_DISABLED) : 0 )
- #endif
-
- #ifdef DBG_GLYPH
- # define DBG_TO_GLYPH(g) DISABLEDBG( strcmp( (g)->name, DBG_GLYPH ) )
- # define DBG_FROM_GLYPH(g) ENABLEDBG(1)
- #else
- # define DBG_TO_GLYPH(g) (0)
- # define DBG_FROM_GLYPH(g) (0)
- #endif
-
- /* prototypes */
- int iscale( int val);
- double fscale( double val);
- int unicode_rev_lookup( int unival);
-
- /* global metrics for a font */
-
- struct font_metrics {
- /* post */
- double italic_angle;
- short underline_position;
- short underline_thickness;
- short is_fixed_pitch;
-
- /* hhea */
- short ascender;
- short descender;
-
- /* head */
- unsigned short units_per_em;
- short bbox[4];
-
- /* name */
- char *name_copyright;
- char *name_family;
- char *name_style;
- char *name_full;
- char *name_version;
- char *name_ps;
-
- /* other */
- int force_bold;
- };
-
- /* size of the encoding table - glyphs beyond 255 are actually unnumbered */
-
- #define ENCTABSZ 1024
-
- /* switch table structure for front-ends */
-
- #define MAXSUFFIX 10
-
- struct frontsw {
- char *name; /* name of the front end */
- char *descr; /* description of the front end */
- char *suffix[MAXSUFFIX]; /* possible file name suffixes */
-
- void (*open)(char *fname, char *arg); /* open font file */
- void (*close)(void); /* close font file */
- int (*nglyphs)(void); /* get the number of glyphs */
- int (*glnames)(GLYPH *glyphs); /* get the names of glyphs */
- void (*glmetrics)(GLYPH *glyphs); /* get the metrics of glyphs */
- int (*glenc)(GLYPH *glyphs, int *enc, int *unimap); /* get the encoding */
- void (*fnmetrics)(struct font_metrics *fm); /* get the font metrics */
- void (*glpath)(int glyphno, GLYPH *glyphs); /* get the glyph path */
- void (*kerning)(GLYPH *glyph_list); /* extract the kerning data */
- };
-