diff options
Diffstat (limited to 'nx-X11/extras/ttf2pt1/pt1.h')
-rw-r--r-- | nx-X11/extras/ttf2pt1/pt1.h | 257 |
1 files changed, 0 insertions, 257 deletions
diff --git a/nx-X11/extras/ttf2pt1/pt1.h b/nx-X11/extras/ttf2pt1/pt1.h deleted file mode 100644 index 4f65f8847..000000000 --- a/nx-X11/extras/ttf2pt1/pt1.h +++ /dev/null @@ -1,257 +0,0 @@ -/* - * see COPYRIGHT - */ - - -/* glyph entry, one drawing command */ -typedef struct gentry { - /* this list links all GENTRYs of a GLYPH sequentially */ - struct gentry *next; /* double linked list */ - struct gentry *prev; - - /* this list links all GENTRYs of one contour - - * of types GE_LINE and GE_CURVE only - * bkwd is also reused: in the very first entry (normally - * of type GE_MOVE) it points to g->entries - */ - struct gentry *cntr[2]; /* double-linked circular list */ -/* convenience handles */ -#define bkwd cntr[0] -#define frwd cntr[1] - - /* various extended structures used at some stage of transformation */ - void *ext; - - union { - struct { - int val[2][3]; /* integer values */ - } i; - struct { - double val[2][3]; /* floating values */ - } f; - } points; /* absolute values, NOT deltas */ -/* convenience handles */ -#define ipoints points.i.val -#define fpoints points.f.val -#define ixn ipoints[0] -#define iyn ipoints[1] -#define fxn fpoints[0] -#define fyn fpoints[1] -#define ix1 ixn[0] -#define ix2 ixn[1] -#define ix3 ixn[2] -#define iy1 iyn[0] -#define iy2 iyn[1] -#define iy3 iyn[2] -#define fx1 fxn[0] -#define fx2 fxn[1] -#define fx3 fxn[2] -#define fy1 fyn[0] -#define fy2 fyn[1] -#define fy3 fyn[2] - - char flags; -#define GEF_FLOAT 0x02 /* entry contains floating point data */ -#define GEF_LINE 0x04 /* entry looks like a line even if it's a curve */ - - unsigned char dir; /* used to temporarily store the values for - * the directions of the ends of curves */ -/* front end */ -#define CVDIR_FUP 0x02 /* goes over the line connecting the ends */ -#define CVDIR_FEQUAL 0x01 /* coincides with the line connecting the - * ends */ -#define CVDIR_FDOWN 0x00 /* goes under the line connecting the ends */ -#define CVDIR_FRONT 0x0F /* mask of all front directions */ -/* rear end */ -#define CVDIR_RSAME 0x30 /* is the same as for the front end */ -#define CVDIR_RUP 0x20 /* goes over the line connecting the ends */ -#define CVDIR_REQUAL 0x10 /* coincides with the line connecting the - * ends */ -#define CVDIR_RDOWN 0x00 /* goes under the line connecting the ends */ -#define CVDIR_REAR 0xF0 /* mask of all rear directions */ - - signed char stemid; /* connection to the substituted stem group */ - char type; -#define GE_HSBW 'B' -#define GE_MOVE 'M' -#define GE_LINE 'L' -#define GE_CURVE 'C' -#define GE_PATH 'P' - - /* indexes of the points to be used for calculation of the tangents */ - signed char ftg; /* front tangent */ - signed char rtg; /* rear tangent, -1 means "idx 2 of the previous entry" */ -} GENTRY; - -/* stem structure, describes one [hv]stem */ -/* acually, it describes one border of a stem */ -/* the whole stem is a pair of these structures */ - -typedef struct stem { - short value; /* value of X or Y coordinate */ - short origin; /* point of origin for curve stems */ - GENTRY *ge; /* entry that has (value, origin) as its first dot */ - /* also for all the stems the couple (value, origin) - * is used to determine whether a stem is relevant for a - * line, it's considered revelant if this tuple is - * equal to any of the ends of the line. - * ge is also used to resolve ambiguity if there is more than - * one line going through certain pointi, it is used to - * distinguish these lines. - */ - - short from, to; /* values of other coordinate between - * which this stem is valid */ - - short flags; - /* ordering of ST_END, ST_FLAT, ST_ZONE is IMPORTANT for sorting */ -#define ST_END 0x01 /* end of line, lowest priority */ -#define ST_FLAT 0x02 /* stem is defined by a flat line, not a - * curve */ -#define ST_ZONE 0x04 /* pseudo-stem, the limit of a blue zone */ -#define ST_UP 0x08 /* the black area is to up or right from - * value */ -#define ST_3 0x20 /* first stem of [hv]stem3 */ -#define ST_BLUE 0x40 /* stem is in blue zone */ -#define ST_TOPZONE 0x80 /* 1 - top zone, 0 - bottom zone */ -#define ST_VERT 0x100 /* vertical stem (used in substitutions) */ -} STEM; - -#define MAX_STEMS 2000 /* we can't have more stems than path - * elements (or hope so) */ -#define NSTEMGRP 50 /* maximal number of the substituted stem groups */ - -/* structure for economical representation of the - * substituted stems - */ - -typedef struct stembounds { - short low; /* low bound */ - short high; /* high bound */ - char isvert; /* 1 - vertical, 0 - horizontal */ - char already; /* temp. flag: is aleready included */ -} STEMBOUNDS; - -struct kern { - unsigned id; /* ID of the second glyph */ - int val; /* kerning value */ -}; - -typedef struct contour { - short ymin, xofmin; - short inside; /* inside which contour */ - char direction; -#define DIR_OUTER 1 -#define DIR_INNER 0 -} CONTOUR; - -typedef struct glyph { - int char_no;/* Encoding of glyph */ - int orig_code;/* code of glyph in the font's original encoding */ - char *name; /* Postscript name of glyph */ - int xMin, yMin, xMax, yMax; /* values from TTF dictionary */ - int lsb; /* left sidebearing */ - int ttf_pathlen; /* total length of TTF paths */ - short width; - short flags; -#define GF_USED 0x0001 /* whether is this glyph used in T1 font */ -#define GF_FLOAT 0x0002 /* thys glyph contains floating point entries */ - - GENTRY *entries;/* doube linked list of entries */ - GENTRY *lastentry; /* the last inserted entry */ - GENTRY *path; /* beggining of the last path */ - int oldwidth; /* actually also scaled */ - int scaledwidth; -#define MAXLEGALWIDTH 10000 - - struct kern *kern; /* kerning data */ - int kerncount; /* number of kerning pairs */ - int kernalloc; /* for how many pairs we have space */ - - STEM *hstems; /* global horiz. and vert. stems */ - STEM *vstems; - int nhs, nvs; /* numbers of stems */ - - STEMBOUNDS *sbstems; /* substituted stems for all the groups */ - short *nsbs; /* indexes of the group ends in the common array */ - int nsg; /* actual number of the stem groups */ - int firstsubr; /* first substistuted stems subroutine number */ - - CONTOUR *contours; /* it is not used now */ - int ncontours; - - int rymin, rymax; /* real values */ - /* do we have flat surfaces on top/bottom */ - char flatymin, flatymax; - -} GLYPH; - -/* description of a dot for calculation of its distance to a curve */ - -struct dot_dist { - double p[2 /*X,Y*/]; /* coordinates of a dot */ - double dist2; /* squared distance from the dot to the curve */ - short seg; /* the closest segment of the curve */ -}; - -extern int stdhw, stdvw; /* dominant stems widths */ -extern int stemsnaph[12], stemsnapv[12]; /* most typical stem width */ - -extern int bluevalues[14]; -extern int nblues; -extern int otherblues[10]; -extern int notherb; -extern int bbox[4]; /* the FontBBox array */ -extern double italic_angle; - -extern GLYPH *glyph_list; -extern int encoding[]; /* inverse of glyph[].char_no */ - -/* prototypes of functions */ -void rmoveto( int dx, int dy); -void rlineto( int dx, int dy); -void rrcurveto( int dx1, int dy1, int dx2, int dy2, int dx3, int dy3); -void assertpath( GENTRY * from, char *file, int line, char *name); - -void fg_rmoveto( GLYPH * g, double x, double y); -void ig_rmoveto( GLYPH * g, int x, int y); -void fg_rlineto( GLYPH * g, double x, double y); -void ig_rlineto( GLYPH * g, int x, int y); -void fg_rrcurveto( GLYPH * g, double x1, double y1, - double x2, double y2, double x3, double y3); -void ig_rrcurveto( GLYPH * g, int x1, int y1, - int x2, int y2, int x3, int y3); -void g_closepath( GLYPH * g); - -void pathtoint( GLYPH *g); -void ffixquadrants( GLYPH *g); -void flattencurves( GLYPH * g); -int checkcv( GENTRY * ge, int dx, int dy); -void iclosepaths( GLYPH * g); -void fclosepaths( GLYPH * g); -void smoothjoints( GLYPH * g); -void buildstems( GLYPH * g); -void fstraighten( GLYPH * g); -void istraighten( GLYPH * g, int zigonly); -void isplitzigzags( GLYPH * g); -void fsplitzigzags( GLYPH * g); -void fforceconcise( GLYPH * g); -void iforceconcise( GLYPH * g); -void reversepathsfromto( GENTRY * from, GENTRY * to); -void reversepaths( GLYPH * g); -void dumppaths( GLYPH * g, GENTRY *start, GENTRY *end); -void print_glyph( int glyphno); -int print_glyph_subs( int glyphno, int startid); -void print_glyph_metrics( int code, int glyphno); -void findblues(void); -void stemstatistics(void); -void docorrectwidth(void); -void addkernpair( unsigned id1, unsigned id2, int unscval); -void print_kerning( FILE *afm_file); - -int fcrossrayscv( double curve[4][2], double *max1, double *max2); -int fcrossraysge( GENTRY *ge1, GENTRY *ge2, double *max1, double *max2, - double crossdot[2][2]); -double fdotsegdist2( double seg[2][2], double dot[2]); -double fdotcurvdist2( double curve[4][2], struct dot_dist *dots, int ndots, double *maxp); -void fapproxcurve( double cv[4][2], struct dot_dist *dots, int ndots); |