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#include <stdio.h>
#include "allegro5/allegro.h"
#include "allegro5/allegro_image.h"
#include "common.c"
const int W = 640;
const int H = 400;
int main(int argc, char **argv)
{
ALLEGRO_DISPLAY *display[2];
ALLEGRO_EVENT event;
ALLEGRO_EVENT_QUEUE *events;
ALLEGRO_BITMAP *pictures[2];
ALLEGRO_BITMAP *target;
int width, height;
int i;
(void)argc;
(void)argv;
if (!al_init()) {
abort_example("Could not init Allegro.\n");
}
open_log();
al_install_keyboard();
al_install_mouse();
al_init_image_addon();
events = al_create_event_queue();
al_set_new_display_flags(ALLEGRO_WINDOWED|ALLEGRO_RESIZABLE);
/* Create two windows. */
display[0] = al_create_display(W, H);
if (!display[0]) {
abort_example("Error creating display\n");
}
pictures[0] = al_load_bitmap("data/mysha.pcx");
if (!pictures[0]) {
abort_example("failed to load mysha.pcx\n");
}
display[1] = al_create_display(W, H);
if (!display[1]) {
abort_example("Error creating display\n");
}
pictures[1] = al_load_bitmap("data/allegro.pcx");
if (!pictures[1]) {
abort_example("failed to load allegro.pcx\n");
}
/* This is only needed since we want to receive resize events. */
al_register_event_source(events, al_get_display_event_source(display[0]));
al_register_event_source(events, al_get_display_event_source(display[1]));
al_register_event_source(events, al_get_keyboard_event_source());
while (1) {
/* read input */
while (!al_is_event_queue_empty(events)) {
al_get_next_event(events, &event);
if (event.type == ALLEGRO_EVENT_KEY_DOWN) {
ALLEGRO_KEYBOARD_EVENT *key = &event.keyboard;
if (key->keycode == ALLEGRO_KEY_ESCAPE) {
goto done;
}
}
if (event.type == ALLEGRO_EVENT_DISPLAY_RESIZE) {
ALLEGRO_DISPLAY_EVENT *de = &event.display;
al_acknowledge_resize(de->source);
}
if (event.type == ALLEGRO_EVENT_DISPLAY_SWITCH_IN) {
log_printf("%p switching in\n", event.display.source);
}
if (event.type == ALLEGRO_EVENT_DISPLAY_SWITCH_OUT) {
log_printf("%p switching out\n", event.display.source);
}
if (event.type == ALLEGRO_EVENT_DISPLAY_CLOSE) {
int i;
for (i = 0; i < 2; i++) {
if (display[i] == event.display.source)
display[i] = 0;
}
al_destroy_display(event.display.source);
for (i = 0; i < 2; i++) {
if (display[i])
goto not_done;
}
goto done;
not_done:
;
}
}
for (i = 0; i < 2; i++) {
if (!display[i])
continue;
target = al_get_backbuffer(display[i]);
width = al_get_bitmap_width(target);
height = al_get_bitmap_height(target);
al_set_target_bitmap(target);
al_draw_scaled_bitmap(pictures[0], 0, 0,
al_get_bitmap_width(pictures[0]),
al_get_bitmap_height(pictures[0]),
0, 0,
width / 2, height,
0);
al_draw_scaled_bitmap(pictures[1], 0, 0,
al_get_bitmap_width(pictures[1]),
al_get_bitmap_height(pictures[1]),
width / 2, 0,
width / 2, height,
0);
al_flip_display();
}
al_rest(0.001);
}
done:
al_destroy_bitmap(pictures[0]);
al_destroy_bitmap(pictures[1]);
al_destroy_display(display[0]);
al_destroy_display(display[1]);
close_log(true);
return 0;
}
/* vim: set sts=3 sw=3 et: */
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