int main(void)
{
const char *backend_opts = "X11";
win = GP_BackendInit(backend_opts, "Random Shape Test", stderr);
if (win == NULL) {
fprintf(stderr, "Failed to initalize backend '%s'\n",
backend_opts);
return 1;
}
white = GP_ColorToContextPixel(GP_COL_WHITE, win->context);
black = GP_ColorToContextPixel(GP_COL_BLACK, win->context);
for (;;) {
GP_BackendPoll(win);
event_loop();
usleep(20000);
if (pause_flag)
continue;
redraw_screen();
GP_BackendFlip(win);
}
}
int main(int argc, char *argv[])
{
const char *backend_opts = "X11";
int opt;
int pause_flag = 0;
while ((opt = getopt(argc, argv, "b:Ii:Ps:r:")) != -1) {
switch (opt) {
case 'b':
backend_opts = optarg;
break;
default:
fprintf(stderr, "Invalid paramter '%c'\n", opt);
}
}
// GP_SetDebugLevel(10);
signal(SIGINT, sighandler);
signal(SIGSEGV, sighandler);
signal(SIGBUS, sighandler);
signal(SIGABRT, sighandler);
init_backend(backend_opts);
context = backend->context;
black_pixel = GP_ColorToContextPixel(GP_COL_BLACK, context);
white_pixel = GP_ColorToContextPixel(GP_COL_WHITE, context);
GP_Fill(context, black_pixel);
GP_BackendFlip(backend);
struct space *space;
space = space_create(160, 10<<8, 10<<8, (context->w - 10)<<8, (context->h - 10)<<8);
for (;;) {
if (backend->Poll)
GP_BackendPoll(backend);
usleep(1000);
/* Read and parse events */
GP_Event ev;
while (GP_BackendGetEvent(backend, &ev)) {
GP_EventDump(&ev);
switch (ev.type) {
case GP_EV_KEY:
if (ev.code != GP_EV_KEY_DOWN)
continue;
switch (ev.val.key.key) {
case GP_KEY_ESC:
case GP_KEY_ENTER:
case GP_KEY_Q:
GP_BackendExit(backend);
return 0;
break;
case GP_KEY_P:
pause_flag = !pause_flag;
break;
case GP_KEY_G:
space->gay = 1;
break;
case GP_KEY_T:
space->gay = 0;
break;
}
break;
}
}
if (!pause_flag) {
space_time_tick(space, 1);
space_draw_particles(context, space);
GP_BackendFlip(backend);
}
}
GP_BackendExit(backend);
return 0;
}
int main(int argc, char *argv[])
{
GP_Backend *backend;
const char *backend_opts = "X11:350x350";
int opt;
GP_PixelType emul_type = GP_PIXEL_UNKNOWN;
while ((opt = getopt(argc, argv, "b:h:p:")) != -1) {
switch (opt) {
case 'b':
backend_opts = optarg;
break;
case 'p':
emul_type = GP_PixelTypeByName(optarg);
if (emul_type == GP_PIXEL_UNKNOWN) {
fprintf(stderr, "Invalid pixel type '%s'\n", optarg);
return 1;
}
break;
case 'h':
GP_BackendInit("help", NULL);
return 0;
break;
default:
fprintf(stderr, "Invalid paramter '%c'\n", opt);
return 1;
}
}
/* Turn on debug messages */
GP_SetDebugLevel(10);
backend = GP_BackendInit(backend_opts, "Virtual Backend Example");
if (emul_type != GP_PIXEL_UNKNOWN) {
GP_Backend *emul;
/*
* Create an emulated backend on the top of real backend.
*
* The GP_BACKEND_CALL_EXIT says that when calling exit on
* emulated backend, the real backend exit will be called as
* well.
*/
emul = GP_BackendVirtualInit(backend, emul_type, GP_BACKEND_CALL_EXIT);
if (emul == NULL) {
fprintf(stderr, "Failed to create Virtual Backend\n");
GP_BackendExit(backend);
return 1;
}
/* Once created virtual backend behaves exactly like a real one */
backend = emul;
}
redraw(backend);
for (;;) {
if (backend->Poll)
GP_BackendPoll(backend);
usleep(1000);
/* Read and parse events */
GP_Event ev;
while (GP_BackendGetEvent(backend, &ev)) {
GP_EventDump(&ev);
switch (ev.type) {
case GP_EV_KEY:
switch (ev.val.key.key) {
case GP_KEY_ESC:
case GP_KEY_Q:
GP_BackendExit(backend);
return 0;
break;
}
break;
case GP_EV_SYS:
switch(ev.code) {
case GP_EV_SYS_RESIZE:
GP_BackendResizeAck(backend);
redraw(backend);
break;
}
break;
}
}
}
GP_BackendExit(backend);
return 0;
}
