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ex_dualies.c
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ex_dualies.c
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#include "allegro5/allegro.h"
#include "allegro5/allegro_image.h"
#include <stdio.h>
#include "common.c"
static void go(void)
{
ALLEGRO_DISPLAY *d1, *d2;
ALLEGRO_BITMAP *b1, *b2;
ALLEGRO_EVENT_QUEUE *queue;
ALLEGRO_EVENT event;
al_set_new_display_flags(ALLEGRO_FULLSCREEN);
al_set_new_display_adapter(0);
d1 = al_create_display(640, 480);
if (!d1) {
abort_example("Error creating first display\n");
}
b1 = al_load_bitmap("data/mysha.pcx");
if (!b1) {
abort_example("Error loading mysha.pcx\n");
}
al_set_new_display_adapter(1);
d2 = al_create_display(640, 480);
if (!d2) {
abort_example("Error creating second display\n");
}
b2 = al_load_bitmap("data/allegro.pcx");
if (!b2) {
abort_example("Error loading allegro.pcx\n");
}
queue = al_create_event_queue();
al_register_event_source(queue, al_get_keyboard_event_source());
while (1) {
if (!al_is_event_queue_empty(queue)) {
al_get_next_event(queue, &event);
if (event.type == ALLEGRO_EVENT_KEY_DOWN) {
if (event.keyboard.keycode == ALLEGRO_KEY_ESCAPE) {
break;
}
}
}
al_set_target_backbuffer(d1);
al_draw_scaled_bitmap(b1, 0, 0, 320, 200, 0, 0, 640, 480, 0);
al_flip_display();
al_set_target_backbuffer(d2);
al_draw_scaled_bitmap(b2, 0, 0, 320, 200, 0, 0, 640, 480, 0);
al_flip_display();
al_rest(0.1);
}
al_destroy_bitmap(b1);
al_destroy_bitmap(b2);
al_destroy_display(d1);
al_destroy_display(d2);
}
int main(int argc, char **argv)
{
(void)argc;
(void)argv;
if (!al_init()) {
abort_example("Could not init Allegro.\n");
}
al_install_keyboard();
al_init_image_addon();
if (al_get_num_video_adapters() < 2) {
abort_example("You need 2 or more adapters/monitors for this example.\n");
}
go();
return 0;
}