async_load_state *
load_image_async_simple (async_load_state *state,
Screen *screen,
Window window,
Drawable drawable,
char **filename_ret,
XRectangle *geometry_ret)
{
if (state && state->done_p) /* done! */
{
if (filename_ret)
*filename_ret = state->filename;
else if (state->filename)
free (state->filename);
if (geometry_ret)
*geometry_ret = state->geom;
free (state);
return 0;
}
else if (! state) /* first time */
{
state = (async_load_state *) calloc (1, sizeof(*state));
state->done_p = False;
print_loading_msg (screen, window);
load_image_async (screen, window, drawable,
load_image_async_simple_cb,
state);
return state;
}
else /* still waiting */
return state;
}
/* Queues a single image for loading. Only load one at a time.
The image is done loading when st->img_loader is null and
it->loaded_image is a pixmap.
*/
static void
analogtv_load_random_image(struct state *st)
{
int width=ANALOGTV_PIC_LEN;
int height=width*3/4;
Pixmap p;
if (st->image_loading_p) /* a load is already in progress */
return;
st->image_loading_p = True;
p = XCreatePixmap(st->dpy, st->window, width, height, st->tv->visdepth);
hack_resources(st->dpy);
load_image_async (st->tv->xgwa.screen, st->window, p, image_loaded_cb, st);
}