src/libs/glut/glut_stroke.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 void APIENTRY
  17 glutStrokeCharacter(GLUTstrokeFont font, int c)
  18 {
  19   const StrokeCharRec *ch;
  20   const StrokeRec *stroke;
  21   const CoordRec *coord;
  22   StrokeFontPtr fontinfo;
  23   int i, j;
  24
  25
  26 #if defined(_WIN32)
  27   fontinfo = (StrokeFontPtr) __glutFont(font);
  28 #else
  29   fontinfo = (StrokeFontPtr) font;
  30 #endif
  31
  32   if (c < 0 || c >= fontinfo->num_chars)
  33     return;
  34   ch = &(fontinfo->ch[c]);
  35   if (ch) {
  36     for (i = ch->num_strokes, stroke = ch->stroke;
  37       i > 0; i--, stroke++) {
  38       glBegin(GL_LINE_STRIP);
  39       for (j = stroke->num_coords, coord = stroke->coord;
  40         j > 0; j--, coord++) {
  41         glVertex2f(coord->x, coord->y);
  42       }
  43       glEnd();
  44     }
  45     glTranslatef(ch->right, 0.0, 0.0);
  46   }
  47 }