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/*
* (c) Copyright 1993, Silicon Graphics, Inc.
* ALL RIGHTS RESERVED
* Permission to use, copy, modify, and distribute this software for
* any purpose and without fee is hereby granted, provided that the above
* copyright notice appear in all copies and that both the copyright notice
* and this permission notice appear in supporting documentation, and that
* the name of Silicon Graphics, Inc. not be used in advertising
* or publicity pertaining to distribution of the software without specific,
* written prior permission.
*
* THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
* AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
* FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
* GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
* SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
* KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
* LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
* THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
* ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
* POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
*
* US Government Users Restricted Rights
* Use, duplication, or disclosure by the Government is subject to
* restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
* (c)(1)(ii) of the Rights in Technical Data and Computer Software
* clause at DFARS 252.227-7013 and/or in similar or successor
* clauses in the FAR or the DOD or NASA FAR Supplement.
* Unpublished-- rights reserved under the copyright laws of the
* United States. Contractor/manufacturer is Silicon Graphics,
* Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
*
* OpenGL(TM) is a trademark of Silicon Graphics, Inc.
*/
/*
* xfont.c
* Draws some text in a bitmapped font. Uses glBitmap()
* and other pixel routines. Also demonstrates use of
* display lists.
*/
#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glx.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "glaux.h"
GLuint base;
void makeRasterFont(void)
{
XFontStruct *fontInfo;
Font id;
unsigned int first, last;
Display *xdisplay;
xdisplay = auxXDisplay ();
fontInfo = XLoadQueryFont(xdisplay,
"-adobe-helvetica-medium-r-normal--17-120-100-100-p-88-iso8859-1");
if (fontInfo == NULL) {
printf ("no font found\n");
exit (0);
}
id = fontInfo->fid;
first = fontInfo->min_char_or_byte2;
last = fontInfo->max_char_or_byte2;
base = glGenLists((GLuint) last+1);
if (base == 0) {
printf ("out of display lists\n");
exit (0);
}
glXUseXFont(id, first, last-first+1, base+first);
/* *height = fontInfo->ascent + fontInfo->descent;
*width = fontInfo->max_bounds.width; */
}
void printString(char *s)
{
glPushAttrib (GL_LIST_BIT);
glListBase(base);
glCallLists(strlen(s), GL_UNSIGNED_BYTE, (GLubyte *)s);
glPopAttrib ();
}
void myinit (void)
{
makeRasterFont ();
glShadeModel (GL_FLAT);
}
void display(void)
{
GLfloat white[3] = { 1.0, 1.0, 1.0 };
int i, j;
char teststring[33];
glClear(GL_COLOR_BUFFER_BIT);
glColor3fv(white);
for (i = 32; i < 127; i += 32) {
glRasterPos2i(20, 200 - 18*(GLint) i/32);
for (j = 0; j < 32; j++)
teststring[j] = (char) (i+j);
teststring[32] = 0;
printString(teststring);
}
glRasterPos2i(20, 100);
printString("The quick brown fox jumps");
glRasterPos2i(20, 82);
printString("over a lazy dog.");
glFlush ();
}
void myReshape(int w, int h)
{
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho (0.0, (GLfloat) w, 0.0, (GLfloat) h, -1.0, 1.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
/* Main Loop
* Open window with initial window size, title bar,
* RGBA display mode, and handle input events.
*/
int main(int argc, char** argv)
{
auxInitDisplayMode (AUX_SINGLE | AUX_RGB);
auxInitPosition (0, 0, 500, 500);
if (!auxInitWindow (argv[0]))
auxQuit();
auxReshapeFunc (myReshape);
myinit ();
auxMainLoop(display);
return 0;
}
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