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#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <GL/glut.h>
GLenum doubleBuffer;
GLubyte ubImage[65536];
void draw_cs_line(cs_t p1,cs_t p2) {
}
void draw_cs_text() {
}
void draw_c3_shape() {
//oh lawdy... this should be draw_cs_shape...
}
static void
graphics_init(void)
{
GLenum type;
int j;
GLubyte *img;
GLsizei imgWidth = 128;
type = GLUT_RGB;
type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
glutInitDisplayMode(type);
glutCreateWindow("ABGR extension");
if (!glutExtensionSupported("GL_EXT_abgr")) {
printf("Couldn't find abgr extension.\n");
exit(0);
}
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(60.0, 1.0, 0.1, 1000.0);
glMatrixMode(GL_MODELVIEW);
glDisable(GL_DITHER);
glutKeyboardFunc(keypress_handler);
glutDisplayFunc(draw_screen);
}
/* ARGSUSED1 */
static void
keypress_handler(unsigned char key, int x, int y)
{
switch (key) {
case 27:
exit(0);
}
}
static void draw_screen(void)
{
glClearColor(0.0, 0.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
glRasterPos3f(0.2, -0.8, -1.5);
glDrawPixels(128, 128, GL_RGBA, GL_UNSIGNED_BYTE, ubImage);
if (doubleBuffer) {
glutSwapBuffers();
} else {
glFlush();
}
}
static void
Args(int argc, char **argv)
{
GLint i;
doubleBuffer = GL_TRUE;
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-sb") == 0) {
doubleBuffer = GL_FALSE;
} else if (strcmp(argv[i], "-db") == 0) {
doubleBuffer = GL_TRUE;
}
}
}
void graphics_event_handler() {
glutMainLoopUpdate();
return 0; /* ANSI C requires main to return int. */
}
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