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/*******************************************************************************
* *
* Viewmol *
* *
* X F O N T . C *
* *
* Copyright (c) Joerg-R. Hill, December 2000 *
* *
********************************************************************************
*
* $Id: xfont.c,v 1.5 2000/12/10 15:19:30 jrh Exp $
* $Log: xfont.c,v $
* Revision 1.5 2000/12/10 15:19:30 jrh
* Release 2.3
*
* Revision 1.4 1999/05/24 01:28:08 jrh
* Release 2.2.1
*
* Revision 1.3 1999/02/07 22:00:25 jrh
* Release 2.2
*
* Revision 1.2 1998/01/26 00:49:52 jrh
* Release 2.1
*
* Revision 1.1 1996/12/10 18:44:32 jrh
* Initial revision
*
*/
#include<stdlib.h>
#include<stdio.h>
#include<string.h>
#include<X11/Xlib.h>
#include<X11/Xutil.h>
#include<GL/gl.h>
#include<GL/glu.h>
#include<GL/glx.h>
#include "viewmol.h"
extern void *getmem(size_t, size_t);
extern void fremem(void **);
extern int drawingDevice;
extern char *textPointer;
XFontStruct *makeRasterFont(Display *display, char *font, GLuint *base)
{
XFontStruct *fontInfo, *f;
Font id;
unsigned int first, last;
/* leaks memory */
if ((fontInfo=XLoadQueryFont(display, font)) == NULL)
return(fontInfo);
id=fontInfo->fid;
first=fontInfo->min_char_or_byte2;
last=fontInfo->max_char_or_byte2;
if ((*base=glGenLists((GLuint)last+1)) == 0)
{
XFreeFont(display, fontInfo);
return((XFontStruct *)NULL);
}
/* leaks memory */
f=(XFontStruct *)getmem((size_t)1, sizeof(XFontStruct));
memcpy((void *)f, (void *)fontInfo, sizeof(XFontStruct));
glXUseXFont(id, first, last-first+1, *base+first);
return(f);
}
void printString(char *s, double x, double y, double z, double offset, GLuint base)
{
glRasterPos3d(x+offset, y, z);
glListBase(base);
glCallLists(strlen(s), GL_UNSIGNED_BYTE, (GLubyte *)s);
}
int StringWidth(XFontStruct *font, char *string)
{
return(XTextWidth(font, string, strlen(string)));
}
int StringHeight(XFontStruct *font)
{
return(font->ascent+font->descent);
/*return(font->ascent); */
}
void deleteFontList(GLuint base, XFontStruct *font)
{
glDeleteLists(base, font->max_char_or_byte2-font->min_char_or_byte2+1);
fremem((void **)&font);
}
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