src/libs/glut/glut_swidth.c

   1 /*
   2  * Copyright 1994-1997 Mark Kilgard, All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * GPL licensing not permitted.
   6  *
   7  * Authors:
   8  *      Mark Kilgard
   9  */
  10
  11
  12 #include "glutint.h"
  13 #include "glutstroke.h"
  14
  15
  16 /* CENTRY */
  17 int APIENTRY
  18 glutStrokeWidth(GLUTstrokeFont font, int c)
  19 {
  20   StrokeFontPtr fontinfo;
  21   const StrokeCharRec *ch;
  22
  23 #if defined(_WIN32)
  24   fontinfo = (StrokeFontPtr) __glutFont(font);
  25 #else
  26   fontinfo = (StrokeFontPtr) font;
  27 #endif
  28
  29   if (c < 0 || c >= fontinfo->num_chars)
  30     return 0;
  31   ch = &(fontinfo->ch[c]);
  32   if (ch)
  33     return ch->right;
  34   else
  35     return 0;
  36 }
  37
  38 int APIENTRY
  39 glutStrokeLength(GLUTstrokeFont font, const unsigned char *string)
  40 {
  41   int c, length;
  42   StrokeFontPtr fontinfo;
  43   const StrokeCharRec *ch;
  44
  45 #if defined(_WIN32)
  46   fontinfo = (StrokeFontPtr) __glutFont(font);
  47 #else
  48   fontinfo = (StrokeFontPtr) font;
  49 #endif
  50
  51   length = 0;
  52   for (; *string != '\0'; string++) {
  53     c = *string;
  54     if (c >= 0 && c < fontinfo->num_chars) {
  55       ch = &(fontinfo->ch[c]);
  56       if (ch)
  57         length += ch->right;
  58     }
  59   }
  60   return length;
  61 }
  62
  63 /* ENDCENTRY */