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#include <allegro5/allegro.h>
#include "allegro5/allegro_image.h"
#include "common.c"
int main(int argc, char **argv)
{
ALLEGRO_DISPLAY *display;
ALLEGRO_BITMAP *icon1;
ALLEGRO_BITMAP *icon2;
ALLEGRO_EVENT_QUEUE *queue;
ALLEGRO_TIMER *timer;
int i;
(void)argc;
(void)argv;
if (!al_init()) {
abort_example("Could not init Allegro.\n");
}
al_install_keyboard();
al_init_image_addon();
init_platform_specific();
display = al_create_display(320, 200);
if (!display) {
abort_example("Error creating display\n");
}
al_clear_to_color(al_map_rgb_f(0, 0, 0));
al_flip_display();
/* First icon: Read from file. */
icon1 = al_load_bitmap("data/icon.tga");
if (!icon1) {
abort_example("icon.tga not found\n");
}
/* Second icon: Create it. */
al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP);
icon2 = al_create_bitmap(16, 16);
al_set_target_bitmap(icon2);
for (i = 0; i < 256; i++) {
int u = i % 16;
int v = i / 16;
al_put_pixel(u, v, al_map_rgb_f(u / 15.0, v / 15.0, 1));
}
al_set_target_backbuffer(display);
al_set_window_title(display, "Changing icon example");
timer = al_create_timer(0.5);
queue = al_create_event_queue();
al_register_event_source(queue, al_get_keyboard_event_source());
al_register_event_source(queue, al_get_display_event_source(display));
al_register_event_source(queue, al_get_timer_event_source(timer));
al_start_timer(timer);
for (;;) {
ALLEGRO_EVENT event;
al_wait_for_event(queue, &event);
if (event.type == ALLEGRO_EVENT_KEY_DOWN &&
event.keyboard.keycode == ALLEGRO_KEY_ESCAPE) {
break;
}
if (event.type == ALLEGRO_EVENT_DISPLAY_CLOSE) {
break;
}
if (event.type == ALLEGRO_EVENT_TIMER) {
al_set_display_icon(display, (event.timer.count & 1) ? icon2 : icon1);
}
}
al_uninstall_system();
return 0;
}
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