int main(int argc, char *argv[])
{
GP_Context *img;
/* Turn on debug messages */
GP_SetDebugLevel(10);
if (argc != 2) {
fprintf(stderr, "Takes an image as an parameter\n");
return 1;
}
img = GP_LoadImage(argv[1], NULL);
if (img == NULL) {
fprintf(stderr, "Failed to load image '%s':%s\n", argv[1],
strerror(errno));
return 1;
}
if (GP_SavePNG(img, "out.png", NULL)) {
fprintf(stderr, "Failed to save image %s", strerror(errno));
return 1;
}
return 0;
}
int main(void)
{
GP_TIMER_DECLARE(oneshot, 30, 0, "Oneshot", callback1, NULL);
GP_TIMER_DECLARE(recurrent, 0, 4, "Recurrent", callback1, NULL);
GP_TIMER_DECLARE(random, 10, 0, "Random", callback3, NULL);
GP_Timer timers[MAX];
GP_Timer *queue = NULL;
uint64_t now;
int i, ret;
GP_SetDebugLevel(10);
GP_TimerQueueInsert(&queue, 0, &oneshot);
GP_TimerQueueInsert(&queue, 0, &recurrent);
GP_TimerQueueInsert(&queue, 0, &random);
for (i = 0; i < MAX; i++) {
timers[i].expires = MAX - i;
timers[i].period = 0;
timers[i].Callback = callback1;
timers[i].priv = NULL;
sprintf(timers[i].id, "Timer%i", MAX - i);
GP_TimerQueueInsert(&queue, 0, &timers[i]);
}
GP_TimerQueueDump(queue);
GP_TimerQueueRemove(&queue, &timers[MAX-1]);
GP_TimerQueueDump(queue);
for (now = 0; now < 100; now += 3) {
printf("NOW %u\n", (unsigned int) now);
printf("-------------------------------------\n");
ret = GP_TimerQueueProcess(&queue, now);
printf("Processed %i timer events\n", ret);
printf("--------------------------------------\n");
GP_TimerQueueDump(queue);
printf("--------------------------------------\n\n");
}
return 0;
}
/*
* Check that GP_DEBUG() preserves errno.
*/
static int DEBUG_preserves_errno(void)
{
GP_SetDebugHandler(debug_handler);
GP_SetDebugLevel(1);
handler_called = 0;
errno = 1;
GP_DEBUG(1, "Debug message");
if (!handler_called) {
tst_msg("Debug handler wasn't called");
return TST_FAILED;
}
if (errno != 1) {
tst_msg("Errno not preserved");
return TST_FAILED;
}
return TST_SUCCESS;
}
int main(int argc, char *argv[])
{
const char *backend_opts = "X11";
print_instructions();
GP_SetDebugLevel(10);
if (argc > 1) {
font_path = argv[1];
fprintf(stderr, "\nLoading font '%s'\n", argv[1]);
font = GP_FontFaceLoad(argv[1], 0, font_h);
}
win = GP_BackendInit(backend_opts, "Font Test", stderr);
if (win == NULL) {
fprintf(stderr, "Failed to initalize backend '%s'\n",
backend_opts);
return 1;
}
white_pixel = GP_ColorToContextPixel(GP_COL_WHITE, win->context);
gray_pixel = GP_ColorToContextPixel(GP_COL_GRAY_LIGHT, win->context);
dark_gray_pixel = GP_ColorToContextPixel(GP_COL_GRAY_DARK, win->context);
black_pixel = GP_ColorToContextPixel(GP_COL_BLACK, win->context);
red_pixel = GP_ColorToContextPixel(GP_COL_RED, win->context);
blue_pixel = GP_ColorToContextPixel(GP_COL_BLUE, win->context);
redraw_screen();
GP_BackendFlip(win);
event_loop();
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;
}
