diff options
Diffstat (limited to 'progs/samples/line.c')
| -rw-r--r-- | progs/samples/line.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/progs/samples/line.c b/progs/samples/line.c deleted file mode 100644 index 83f70cb3ac4..00000000000 --- a/progs/samples/line.c +++ /dev/null @@ -1,219 +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_OFFSET 16 - - -GLenum rgb, doubleBuffer, windType; - -GLenum mode1, mode2; -GLint size; -float pntA[3] = { - -160.0, 0.0, 0.0 -}; -float pntB[3] = { - -130.0, 0.0, 0.0 -}; -float pntC[3] = { - -40.0, -50.0, 0.0 -}; -float pntD[3] = { - 30.0, 60.0, 0.0 -}; - - -#include "tkmap.c" - -static void Init(void) -{ - GLint i; - - glClearColor(0.0, 0.0, 0.0, 0.0); - - glLineStipple(1, 0xF0E0); - glBlendFunc(GL_SRC_ALPHA, GL_ONE); - - if (!rgb) { - for (i = 0; i < 16; i++) { - glutSetColor(i+CI_OFFSET, i/15.0, i/15.0, 0.0); - } - } - - mode1 = GL_FALSE; - mode2 = GL_FALSE; - size = 1; -} - -static void Reshape(int width, int height) -{ - - glViewport(0, 0, (GLint)width, (GLint)height); - - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - gluOrtho2D(-175, 175, -175, 175); - glMatrixMode(GL_MODELVIEW); -} - -static void Key(unsigned char key, int x, int y) -{ - - switch (key) { - case 27: - exit(1); - case '1': - mode1 = !mode1; - break; - case '2': - mode2 = !mode2; - break; - case 'W': - size++; - break; - case 'w': - size--; - if (size < 1) { - size = 1; - } - break; - default: - return; - } - - glutPostRedisplay(); -} - -static void Draw(void) -{ - GLint ci, i; - - glClear(GL_COLOR_BUFFER_BIT); - - glLineWidth(size); - - if (mode1) { - glEnable(GL_LINE_STIPPLE); - } else { - glDisable(GL_LINE_STIPPLE); - } - - if (mode2) { - ci = CI_OFFSET; - glEnable(GL_LINE_SMOOTH); - glEnable(GL_BLEND); - } else { - ci = COLOR_YELLOW; - glDisable(GL_LINE_SMOOTH); - glDisable(GL_BLEND); - } - - glPushMatrix(); - - glShadeModel( GL_FLAT ); - - for (i = 0; i < 360; i += 5) { - glRotatef(5.0, 0,0,1); - - (rgb) ? glColor3f(1.0, 1.0, 0.0) : glIndexi(ci); - glBegin(GL_LINE_STRIP); - glVertex3fv(pntA); - glVertex3fv(pntB); - glEnd(); - - glPointSize(1); - - SetColor(COLOR_GREEN); - glBegin(GL_POINTS); - glVertex3fv(pntA); - glVertex3fv(pntB); - glEnd(); - } - - glPopMatrix(); - - glFlush(); - - if (doubleBuffer) { - glutSwapBuffers(); - } -} - -static GLenum Args(int argc, char **argv) -{ - GLint i; - - rgb = GL_TRUE; - doubleBuffer = GL_TRUE; - - 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); - } - - glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300); - - windType = (rgb) ? GLUT_RGB : GLUT_INDEX; - windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE; - glutInitDisplayMode(windType); - - if (glutCreateWindow("Line Test") == GL_FALSE) { - exit(1); - } - - InitMap(); - - Init(); - - glutReshapeFunc(Reshape); - glutKeyboardFunc(Key); - glutDisplayFunc(Draw); - glutMainLoop(); - return 0; -} |