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#include <allegro5/allegro.h>
#include <allegro5/allegro_image.h>
#include <allegro5/allegro_primitives.h>
#include "common.c"
int main(int argc, char **argv)
{
ALLEGRO_DISPLAY *display;
ALLEGRO_BITMAP *bitmap;
ALLEGRO_TIMER *timer;
ALLEGRO_EVENT_QUEUE *queue;
(void)argc;
(void)argv;
if (!al_init()) {
abort_example("Could not init Allegro.\n");
}
al_init_primitives_addon();
al_init_image_addon();
al_install_keyboard();
al_install_mouse();
init_platform_specific();
al_set_new_display_flags(ALLEGRO_RESIZABLE |
ALLEGRO_GENERATE_EXPOSE_EVENTS);
al_set_new_display_option(ALLEGRO_SINGLE_BUFFER, true, ALLEGRO_REQUIRE);
display = al_create_display(320, 200);
if (!display) {
abort_example("Error creating display\n");
}
bitmap = al_load_bitmap("data/mysha.pcx");
if (!bitmap) {
abort_example("mysha.pcx not found or failed to load\n");
}
al_draw_bitmap(bitmap, 0, 0, 0);
al_flip_display();
timer = al_create_timer(0.1);
queue = al_create_event_queue();
al_register_event_source(queue, al_get_keyboard_event_source());
al_register_event_source(queue, al_get_mouse_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);
while (true) {
ALLEGRO_EVENT event;
al_wait_for_event(queue, &event);
if (event.type == ALLEGRO_EVENT_DISPLAY_CLOSE)
break;
if (event.type == ALLEGRO_EVENT_KEY_DOWN &&
event.keyboard.keycode == ALLEGRO_KEY_ESCAPE) {
break;
}
if (event.type == ALLEGRO_EVENT_DISPLAY_RESIZE) {
al_acknowledge_resize(event.display.source);
}
if (event.type == ALLEGRO_EVENT_DISPLAY_EXPOSE) {
int x = event.display.x,
y = event.display.y,
w = event.display.width,
h = event.display.height;
/* Draw a red rectangle over the damaged area. */
al_set_blender(ALLEGRO_ADD, ALLEGRO_ONE, ALLEGRO_ZERO);
al_draw_filled_rectangle(x, y, x + w, y + h, al_map_rgba_f(1, 0, 0, 1));
al_flip_display();
}
if (event.type == ALLEGRO_EVENT_TIMER) {
/* Slowly restore the original bitmap. */
int x, y;
al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA);
for (y = 0; y < al_get_display_height(display); y += 200) {
for (x = 0; x < al_get_display_width(display); x += 320) {
al_draw_tinted_bitmap(bitmap, al_map_rgba_f(1, 1, 1, 0.1), x, y, 0);
}
}
al_flip_display();
}
}
al_destroy_event_queue(queue);
al_destroy_bitmap(bitmap);
return 0;
}
/* vim: set sts=3 sw=3 et: */
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