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Diffstat (limited to 'progs/redbook/stroke.c')
| -rw-r--r-- | progs/redbook/stroke.c | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/progs/redbook/stroke.c b/progs/redbook/stroke.c deleted file mode 100644 index 68b639abf4..0000000000 --- a/progs/redbook/stroke.c +++ /dev/null @@ -1,195 +0,0 @@ - -/* 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 - * Unpublished-- rights reserved under the copyright laws of the - * United States.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. */ -} |