+++ /dev/null
-
-/* Copyright (c) Mark J. Kilgard, 1994. */
-
-/*
- * (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- * Unpublished-- rights reserved under the copyright laws of the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.
- */
-/*
- * stroke.c
- * This program demonstrates some characters of a
- * stroke (vector) font. The characters are represented
- * by display lists, which are given numbers which
- * correspond to the ASCII values of the characters.
- * Use of glCallLists() is demonstrated.
- */
-#include <stdlib.h>
-#include <string.h>
-#include <GL/glut.h>
-
-#define PT 1
-#define STROKE 2
-#define END 3
-
-typedef struct charpoint {
- GLfloat x, y;
- int type;
-} CP;
-
-CP Adata[] = {
- { 0, 0, PT}, {0, 9, PT}, {1, 10, PT}, {4, 10, PT},
- {5, 9, PT}, {5, 0, STROKE}, {0, 5, PT}, {5, 5, END}
-};
-
-CP Edata[] = {
- {5, 0, PT}, {0, 0, PT}, {0, 10, PT}, {5, 10, STROKE},
- {0, 5, PT}, {4, 5, END}
-};
-
-CP Pdata[] = {
- {0, 0, PT}, {0, 10, PT}, {4, 10, PT}, {5, 9, PT}, {5, 6, PT},
- {4, 5, PT}, {0, 5, END}
-};
-
-CP Rdata[] = {
- {0, 0, PT}, {0, 10, PT}, {4, 10, PT}, {5, 9, PT}, {5, 6, PT},
- {4, 5, PT}, {0, 5, STROKE}, {3, 5, PT}, {5, 0, END}
-};
-
-CP Sdata[] = {
- {0, 1, PT}, {1, 0, PT}, {4, 0, PT}, {5, 1, PT}, {5, 4, PT},
- {4, 5, PT}, {1, 5, PT}, {0, 6, PT}, {0, 9, PT}, {1, 10, PT},
- {4, 10, PT}, {5, 9, END}
-};
-
-/* drawLetter() interprets the instructions from the array
- * for that letter and renders the letter with line segments.
- */
-static void drawLetter(CP *l)
-{
- glBegin(GL_LINE_STRIP);
- for (;;) {
- switch (l->type) {
- case PT:
- glVertex2fv(&l->x);
- break;
- case STROKE:
- glVertex2fv(&l->x);
- glEnd();
- glBegin(GL_LINE_STRIP);
- break;
- case END:
- glVertex2fv(&l->x);
- glEnd();
- glTranslatef(8.0, 0.0, 0.0);
- return;
- }
- l++;
- }
-}
-
-/* Create a display list for each of 6 characters */
-static void myinit (void)
-{
- GLuint base;
-
- glShadeModel (GL_FLAT);
-
- base = glGenLists (128);
- glListBase(base);
- glNewList(base+'A', GL_COMPILE); drawLetter(Adata); glEndList();
- glNewList(base+'E', GL_COMPILE); drawLetter(Edata); glEndList();
- glNewList(base+'P', GL_COMPILE); drawLetter(Pdata); glEndList();
- glNewList(base+'R', GL_COMPILE); drawLetter(Rdata); glEndList();
- glNewList(base+'S', GL_COMPILE); drawLetter(Sdata); glEndList();
- glNewList(base+' ', GL_COMPILE); glTranslatef(8.0, 0.0, 0.0); glEndList();
-}
-
-char *test1 = "A SPARE SERAPE APPEARS AS";
-char *test2 = "APES PREPARE RARE PEPPERS";
-
-static void printStrokedString(char *s)
-{
- GLsizei len = (GLsizei) strlen(s);
- glCallLists(len, GL_BYTE, (GLbyte *)s);
-}
-
-static void display(void)
-{
- glClear(GL_COLOR_BUFFER_BIT);
- glColor3f(1.0, 1.0, 1.0);
- glPushMatrix();
- glScalef(2.0, 2.0, 2.0);
- glTranslatef(10.0, 30.0, 0.0);
- printStrokedString(test1);
- glPopMatrix();
- glPushMatrix();
- glScalef(2.0, 2.0, 2.0);
- glTranslatef(10.0, 13.0, 0.0);
- printStrokedString(test2);
- glPopMatrix();
- glFlush();
-}
-
-static void reshape(GLsizei w, GLsizei h)
-{
- glViewport(0, 0, w, h);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glOrtho(0.0, (GLdouble)w, 0.0, (GLdouble)h, -1.0, 1.0);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
-}
-
-static void
-key(unsigned char k, int x, int y)
-{
- switch (k) {
- case 27: /* Escape */
- exit(0);
- break;
- default:
- return;
- }
- glutPostRedisplay();
-}
-
-/* Main Loop
- * Open window with initial window size, title bar,
- * RGBA display mode, and handle input events.
- */
-int main(int argc, char** argv)
-{
- glutInit(&argc, argv);
- glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
- glutInitWindowSize (440, 120);
- glutCreateWindow (argv[0]);
- myinit ();
- glutDisplayFunc(display);
- glutReshapeFunc(reshape);
- glutKeyboardFunc(key);
- glutMainLoop();
- return 0; /* ANSI C requires main to return int. */
-}
projects / mesa.git / blobdiff