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#include <GL/gl.h>
#include <GL/glut.h>
GLubyte rasters[24] = { 0x00, 0x00,
0x06, 0x00,
0x06, 0x00,
0x06, 0x00,
0x06, 0x00,
0x06, 0x00,
0x06, 0x00,
0x06, 0x00,
0x06, 0x00,
0x3f, 0xc0,
0x3f, 0xc0 };
void init(void)
{
glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
glClearColor (0.0, 0.0, 0.0, 0.0);
}
void display(void)
{
glClear(GL_COLOR_BUFFER_BIT);
glColor3f (0, 1.0, 0);
glRasterPos2i (20, 20);
glBitmap (10, 12, 0.0, 0.0, 11.0, 0.0, rasters);
glBitmap (10, 12, 0.0, 0.0, 11.0, 0.0, rasters);
glBitmap (10, 12, 0.0, 0.0, 11.0, 0.0, rasters);
glFlush();
}
void reshape(int w, int h)
{
glViewport(0, 0, (GLsizei) w, (GLsizei) h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, w, 0, h, -1.0, 1.0);
glMatrixMode(GL_MODELVIEW);
}
/* ARGSUSED1 */
void keyboard(unsigned char key, int x, int y)
{
switch (key) {
case 27:
exit(0);
}
}
/* 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(180, 50);
glutInitWindowPosition(100, 100);
glutCreateWindow(argv[0]);
init();
glutReshapeFunc(reshape);
glutKeyboardFunc(keyboard);
glutDisplayFunc(display);
glutMainLoop();
return 0;
}
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