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/* Copyright (c) Mark J. Kilgard, 1994. */
/* This program is freely distributable without licensing fees
and is provided without guarantee or warrantee expressed or
implied. This program is -not- in the public domain. */
#include "glutint.h"
#include "glutbitmap.h"
/* CENTRY */
int GLUTAPIENTRY
glutBitmapWidth(GLUTbitmapFont font, int c)
{
BitmapFontPtr fontinfo;
const BitmapCharRec *ch;
#if defined(_WIN32) || defined(GLUT_IMPORT_LIB)
fontinfo = (BitmapFontPtr) __glutFont(font);
#else
fontinfo = (BitmapFontPtr) font;
#endif
if (c < fontinfo->first || c >= fontinfo->first + fontinfo->num_chars)
return 0;
ch = fontinfo->ch[c - fontinfo->first];
if (ch)
return ch->advance;
else
return 0;
}
int GLUTAPIENTRY
glutBitmapLength(GLUTbitmapFont font, const unsigned char *string)
{
int c, length;
BitmapFontPtr fontinfo;
const BitmapCharRec *ch;
#if defined(_WIN32) || defined(GLUT_IMPORT_LIB)
fontinfo = (BitmapFontPtr) __glutFont(font);
#else
fontinfo = (BitmapFontPtr) font;
#endif
length = 0;
for (; *string != '\0'; string++) {
c = *string;
if (c >= fontinfo->first && c < fontinfo->first + fontinfo->num_chars) {
ch = fontinfo->ch[c - fontinfo->first];
if (ch)
length += ch->advance;
}
}
return length;
}
/* ENDCENTRY */
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