+++ /dev/null
-/*
- * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the name of
- * Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "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 BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <GL/glut.h>
-
-
-#define CI_RED COLOR_RED
-#define CI_ANTI_ALIAS_GREEN 16
-#define CI_ANTI_ALIAS_YELLOW 32
-#define CI_ANTI_ALIAS_RED 48
-
-
-GLenum rgb, doubleBuffer, windType;
-GLint windW, windH;
-
-#include "tkmap.c"
-
-GLenum mode;
-GLint size;
-float point[3] = {
- 1.0, 1.0, 0.0
-};
-
-
-static void Init(void)
-{
- GLint i;
-
- glClearColor(0.0, 0.0, 0.0, 0.0);
-
- glBlendFunc(GL_SRC_ALPHA, GL_ZERO);
-
- if (!rgb) {
- for (i = 0; i < 16; i++) {
- glutSetColor(i+CI_ANTI_ALIAS_RED, i/15.0, 0.0, 0.0);
- glutSetColor(i+CI_ANTI_ALIAS_YELLOW, i/15.0, i/15.0, 0.0);
- glutSetColor(i+CI_ANTI_ALIAS_GREEN, 0.0, i/15.0, 0.0);
- }
- }
-
- mode = GL_FALSE;
- size = 1;
-}
-
-static void Reshape(int width, int height)
-{
-
- windW = (GLint)width;
- windH = (GLint)height;
-
- glViewport(0, 0, width, height);
-
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- gluOrtho2D(-windW/2, windW/2, -windH/2, windH/2);
- glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key2(int key, int x, int y)
-{
-
- switch (key) {
- case GLUT_KEY_LEFT:
- point[0] -= 0.25;
- break;
- case GLUT_KEY_RIGHT:
- point[0] += 0.25;
- break;
- case GLUT_KEY_UP:
- point[1] += 0.25;
- break;
- case GLUT_KEY_DOWN:
- point[1] -= 0.25;
- break;
- default:
- return;
- }
-
- glutPostRedisplay();
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
- switch (key) {
- case 27:
- exit(1);
- case '1':
- mode = !mode;
- break;
- case 'W':
- size++;
- break;
- case 'w':
- size--;
- if (size < 1) {
- size = 1;
- }
- break;
- default:
- return;
- }
-
- glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-
- glClear(GL_COLOR_BUFFER_BIT);
-
- SetColor(COLOR_YELLOW);
- glBegin(GL_LINE_STRIP);
- glVertex2f(-windW/2, 0);
- glVertex2f(windW/2, 0);
- glEnd();
- glBegin(GL_LINE_STRIP);
- glVertex2f(0, -windH/2);
- glVertex2f(0, windH/2);
- glEnd();
-
- if (mode) {
- glEnable(GL_BLEND);
- glEnable(GL_POINT_SMOOTH);
- } else {
- glDisable(GL_BLEND);
- glDisable(GL_POINT_SMOOTH);
- }
-
- glPointSize(size);
- if (mode) {
- (rgb) ? glColor3f(1.0, 0.0, 0.0) : glIndexf(CI_ANTI_ALIAS_RED);
- } else {
- (rgb) ? glColor3f(1.0, 0.0, 0.0) : glIndexf(CI_RED);
- }
- glBegin(GL_POINTS);
- glVertex3fv(point);
- glEnd();
-
- glDisable(GL_POINT_SMOOTH);
- glDisable(GL_BLEND);
-
- glPointSize(1);
- SetColor(COLOR_GREEN);
- glBegin(GL_POINTS);
- glVertex3fv(point);
- glEnd();
-
- glFlush();
-
- if (doubleBuffer) {
- glutSwapBuffers();
- }
-}
-
-static GLenum Args(int argc, char **argv)
-{
- GLint i;
-
- rgb = GL_TRUE;
- doubleBuffer = GL_FALSE;
-
- for (i = 1; i < argc; i++) {
- if (strcmp(argv[i], "-ci") == 0) {
- rgb = GL_FALSE;
- } else if (strcmp(argv[i], "-rgb") == 0) {
- rgb = GL_TRUE;
- } else if (strcmp(argv[i], "-sb") == 0) {
- doubleBuffer = GL_FALSE;
- } else if (strcmp(argv[i], "-db") == 0) {
- doubleBuffer = GL_TRUE;
- } else {
- printf("%s (Bad option).\n", argv[i]);
- return GL_FALSE;
- }
- }
- return GL_TRUE;
-}
-
-int main(int argc, char **argv)
-{
- glutInit(&argc, argv);
-
- if (Args(argc, argv) == GL_FALSE) {
- exit(1);
- }
-
- windW = 300;
- windH = 300;
- glutInitWindowPosition(0, 0); glutInitWindowSize( windW, windH);
-
- windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
- windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
- glutInitDisplayMode(windType);
-
- if (glutCreateWindow("Point Test") == GL_FALSE) {
- exit(1);
- }
-
- InitMap();
-
- Init();
-
- glutReshapeFunc(Reshape);
- glutKeyboardFunc(Key);
- glutSpecialFunc(Key2);
- glutDisplayFunc(Draw);
- glutMainLoop();
- return 0;
-}
projects / mesa.git / blobdiff