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Diffstat (limited to 'progs/samples/point.c')
-rw-r--r-- | progs/samples/point.c | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/progs/samples/point.c b/progs/samples/point.c deleted file mode 100644 index 4cb6ad7d517..00000000000 --- a/progs/samples/point.c +++ /dev/null @@ -1,234 +0,0 @@ -/* - * 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; -} |