src/glut/beos/glut_bwidth.cpp

   1
   2 /* Copyright (c) Mark J. Kilgard, 1994. */
   3
   4 /* This program is freely distributable without licensing fees
   5    and is provided without guarantee or warrantee expressed or
   6    implied. This program is -not- in the public domain. */
   7
   8 #include <GL/glut.h>
   9 #include "glutint.h"
  10 #include "glutbitmap.h"
  11
  12 /* CENTRY */
  13 int APIENTRY
  14 glutBitmapWidth(GLUTbitmapFont font, int c)
  15 {
  16   BitmapFontPtr fontinfo;
  17   const BitmapCharRec *ch;
  18
  19 #if defined(WIN32)
  20   fontinfo = (BitmapFontPtr) __glutFont(font);
  21 #else
  22   fontinfo = (BitmapFontPtr) font;
  23 #endif
  24
  25   if (c < fontinfo->first || c >= fontinfo->first + fontinfo->num_chars)
  26     return 0;
  27   ch = fontinfo->ch[c - fontinfo->first];
  28   if (ch)
  29     return (int)ch->advance;
  30   else
  31     return 0;
  32 }
  33
  34 int APIENTRY
  35 glutBitmapLength(GLUTbitmapFont font, const char *string)
  36 {
  37   int c, length;
  38   BitmapFontPtr fontinfo;
  39   const BitmapCharRec *ch;
  40
  41 #ifdef WIN32
  42   fontinfo = (BitmapFontPtr) __glutFont(font);
  43 #else
  44   fontinfo = (BitmapFontPtr) font;
  45 #endif
  46
  47   length = 0;
  48   for (; *string != '\0'; string++) {
  49     c = *string;
  50     if (c >= fontinfo->first && c < fontinfo->first + fontinfo->num_chars) {
  51       ch = fontinfo->ch[c - fontinfo->first];
  52       if (ch)
  53         length += (int)ch->advance;
  54     }
  55   }
  56   return length;
  57 }
  58
  59 /* ENDCENTRY */