src/glut/glx/stroke.h

   1 /* $XConsortium: wfont.h,v 5.1 91/02/16 09:46:37 rws Exp $ */
   2
   3 /*****************************************************************
   4 Copyright (c) 1989,1990, 1991 by Sun Microsystems, Inc. and the X Consortium.
   5
   6                         All Rights Reserved
   7
   8 Permission to use, copy, modify, and distribute this software and its
   9 documentation for any purpose and without fee is hereby granted,
  10 provided that the above copyright notice appear in all copies and that
  11 both that copyright notice and this permission notice appear in
  12 supporting documentation, and that the names of Sun Microsystems,
  13 the X Consortium, and MIT not be used in advertising or publicity
  14 pertaining to distribution of the software without specific, written
  15 prior permission.
  16
  17 SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  18 INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT
  19 SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
  20 DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  21 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  22 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  23 SOFTWARE.
  24
  25 ******************************************************************/
  26
  27 #ifndef WFONT_INCLUDED
  28 #define WFONT_INCLUDED
  29
  30 #define WFONT_MAGIC     0x813
  31 #define WFONT_MAGIC_PLUS 0x715
  32 #define WFONT_MAGIC_PEX 0x70686e74
  33 #define START_PROPS 0x100
  34 #define START_DISPATCH(_num_props)  (START_PROPS + 160 * _num_props)
  35 #define START_PATH(_num_ch_, _num_props)  (START_DISPATCH(_num_props) + sizeof(Dispatch) * _num_ch_)
  36 #define NUM_DISPATCH    128
  37
  38 typedef struct {
  39   unsigned short x;
  40   unsigned short y;
  41 } Path_point2dpx;
  42
  43 typedef struct {
  44   float x;
  45   float y;
  46 } Path_point2df;
  47
  48 typedef struct {
  49   int x;
  50   int y;
  51   int z;
  52 } Path_point3di;
  53
  54 typedef struct {
  55   float x;
  56   float y;
  57   float z;
  58 } Path_point3df;
  59
  60 typedef struct {
  61   float x;
  62   float y;
  63   float z;
  64   float w;
  65 } Path_point4df;
  66
  67 typedef union {
  68   Path_point2dpx *pt2dpx;
  69   Path_point2df *pt2df;
  70   Path_point3di *pt3di;
  71   Path_point3df *pt3df;
  72   Path_point4df *pt4df;
  73 } Path_pt_ptr;
  74
  75 typedef enum {
  76   PATH_2DF,
  77   PATH_2DPX,
  78   PATH_3DF,
  79   PATH_3DI,
  80   PATH_4DF
  81 } Path_type;
  82
  83 typedef struct {
  84   int n_pts;                    /* number of points in the subpath */
  85   Path_pt_ptr pts;              /* pointer to them */
  86   int closed;                   /* true if the subpath is closed */
  87   int dcmp_flag;                /* flag for pgon dcmp, pgon type
  88                                  * and dcmped triangle type */
  89 } Path_subpath;
  90
  91 typedef struct {
  92   Path_type type;               /* type of vertices in this path */
  93   int n_subpaths;               /* number of subpaths */
  94   int n_vertices;               /* total number of vertices */
  95   Path_subpath *subpaths;       /* array of subpaths */
  96 } Path;
  97
  98 typedef Path *Path_handle;
  99
 100 typedef struct {
 101   char propname[80];            /* font property name */
 102   char propvalue[80];           /* font property value */
 103 } Property;
 104
 105 typedef struct {
 106   int magic;                    /* magic number */
 107   char name[80];                /* name of this font */
 108   float top,                    /* extreme values */
 109     bottom, max_width;
 110   int num_ch;                   /* no. of fonts in the set */
 111   int num_props;                /* no. of font properties */
 112   Property *properties;         /* array of properties */
 113 } Font_header;
 114
 115 typedef struct {
 116   float center,                 /* center of the character */
 117     right;                      /* right edge */
 118   long offset;                  /* offset in the file of the character
 119                                  * * description */
 120 } Dispatch;
 121
 122 typedef struct {
 123   float center, right;
 124   Path strokes;
 125 } Ch_font;
 126
 127 typedef struct {
 128   char name[80];
 129   float top, bottom, max_width;
 130   int num_ch;                   /* # characters in the font */
 131   Ch_font **ch_data;
 132 } Phg_font;
 133
 134 #endif /*WFONT_INCLUDED */