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59 lines
1.2 KiB
C++
59 lines
1.2 KiB
C++
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/* Copyright (c) Mark J. Kilgard, 1994. */
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/* This program is freely distributable without licensing fees
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and is provided without guarantee or warrantee expressed or
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implied. This program is -not- in the public domain. */
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#include <GL/glut.h>
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#include "glutint.h"
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#include "glutbitmap.h"
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/* CENTRY */
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int APIENTRY
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glutBitmapWidth(GLUTbitmapFont font, int c)
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{
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BitmapFontPtr fontinfo;
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const BitmapCharRec *ch;
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#if defined(WIN32)
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fontinfo = (BitmapFontPtr) __glutFont(font);
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#else
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fontinfo = (BitmapFontPtr) font;
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#endif
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if (c < fontinfo->first || c >= fontinfo->first + fontinfo->num_chars)
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return 0;
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ch = fontinfo->ch[c - fontinfo->first];
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if (ch)
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return (int)ch->advance;
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else
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return 0;
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}
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int APIENTRY
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glutBitmapLength(GLUTbitmapFont font, const char *string)
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{
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int c, length;
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BitmapFontPtr fontinfo;
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const BitmapCharRec *ch;
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#ifdef WIN32
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fontinfo = (BitmapFontPtr) __glutFont(font);
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#else
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fontinfo = (BitmapFontPtr) font;
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#endif
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length = 0;
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for (; *string != '\0'; string++) {
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c = *string;
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if (c >= fontinfo->first && c < fontinfo->first + fontinfo->num_chars) {
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ch = fontinfo->ch[c - fontinfo->first];
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if (ch)
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length += (int)ch->advance;
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}
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}
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return length;
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}
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/* ENDCENTRY */
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