151 lines
3.3 KiB
C
151 lines
3.3 KiB
C
/*
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* Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that (i) the above copyright notices and this permission notice appear in
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* all copies of the software and related documentation, and (ii) the name of
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* Silicon Graphics may not be used in any advertising or
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* publicity relating to the software without the specific, prior written
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* permission of Silicon Graphics.
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*
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* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
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* ANY KIND,
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* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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*
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* IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
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* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <GL/glut.h>
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GLenum rgb, doubleBuffer, windType;
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int windX, windY;
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int cursor;
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#include "tkmap.c"
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static void Init(void)
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{
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cursor = 0;
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glutSetCursor(cursor);
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glClearColor(0.0, 0.0, 0.0, 0.0);
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glClearIndex(0.0);
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}
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static void Reshape(int width, int height)
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{
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windX = width;
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windY = height;
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glViewport(0, 0, windX, windY);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluOrtho2D(0, windX, 0, windY);
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glMatrixMode(GL_MODELVIEW);
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}
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static void Key(unsigned char key, int x, int y)
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{
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switch (key) {
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case 27:
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exit(1);
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case 32:
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cursor++;
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if (cursor > 19) {
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cursor = 0;
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}
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glutSetCursor(cursor);
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}
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}
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static void Draw(void)
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{
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glClear(GL_COLOR_BUFFER_BIT);
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glBegin(GL_POLYGON);
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SetColor(COLOR_BLACK);
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glVertex2i(0, 0);
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SetColor(COLOR_RED);
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glVertex2i(windX, 0);
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SetColor(COLOR_GREEN);
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glVertex2i(windX, windY);
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SetColor(COLOR_BLUE);
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glVertex2i(0, windY);
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glEnd();
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glFlush();
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if (doubleBuffer) {
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glutSwapBuffers();
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}
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}
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static GLenum Args(int argc, char **argv)
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{
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GLint i;
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rgb = GL_TRUE;
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doubleBuffer = GL_FALSE;
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for (i = 1; i < argc; i++) {
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if (strcmp(argv[i], "-ci") == 0) {
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rgb = GL_FALSE;
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} else if (strcmp(argv[i], "-rgb") == 0) {
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rgb = GL_TRUE;
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} else if (strcmp(argv[i], "-sb") == 0) {
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doubleBuffer = GL_FALSE;
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} else if (strcmp(argv[i], "-db") == 0) {
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doubleBuffer = GL_TRUE;
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} else {
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printf("%s (Bad option).\n", argv[i]);
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return GL_FALSE;
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}
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}
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return GL_TRUE;
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}
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int main(int argc, char **argv)
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{
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glutInit(&argc, argv);
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if (Args(argc, argv) == GL_FALSE) {
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exit(1);
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}
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windX = 300;
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windY = 300;
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glutInitWindowPosition(0, 0); glutInitWindowSize( windX, windY);
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windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
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windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
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glutInitDisplayMode(windType);
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if (glutCreateWindow("Cursor Test") == GL_FALSE) {
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exit(1);
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}
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InitMap();
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Init();
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glutReshapeFunc(Reshape);
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glutKeyboardFunc(Key);
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glutDisplayFunc(Draw);
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glutMainLoop();
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return 0;
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}
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