src/glut/glx/stroke.h

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