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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- * Unpublished-- rights reserved under the copyright laws of the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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