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#include <allegro5/allegro.h>
#include <allegro5/allegro_image.h>
#include <allegro5/allegro_primitives.h>
#ifdef ALLEGRO_ANDROID
#include <allegro5/allegro_android.h> /* al_android_set_apk_file_interface */
#endif
ALLEGRO_DEBUG_CHANNEL("main")
#define MAX_TOUCH 10
struct touch {
bool down;
double x, y;
} touch[MAX_TOUCH];
/* debugging */
#define print_standard_path(std) \
do { \
ALLEGRO_PATH *path = al_get_standard_path(std); \
ALLEGRO_DEBUG(#std ": %s", al_path_cstr(path, '/')); \
} while (0)
static void print_standard_paths(void)
{
print_standard_path(ALLEGRO_RESOURCES_PATH);
print_standard_path(ALLEGRO_TEMP_PATH);
print_standard_path(ALLEGRO_USER_DATA_PATH);
print_standard_path(ALLEGRO_USER_HOME_PATH);
print_standard_path(ALLEGRO_USER_SETTINGS_PATH);
print_standard_path(ALLEGRO_USER_DOCUMENTS_PATH);
print_standard_path(ALLEGRO_EXENAME_PATH);
}
static void draw_touches(void)
{
int i;
for (i = 0; i < MAX_TOUCH; i++) {
if (touch[i].down) {
al_draw_filled_rectangle(
touch[i].x-40, touch[i].y-40,
touch[i].x+40, touch[i].y+40,
al_map_rgb(100+i*20, 40+i*20, 40+i*20));
}
}
}
int main(int argc, char **argv)
{
ALLEGRO_DISPLAY *dpy;
ALLEGRO_EVENT_QUEUE *queue;
ALLEGRO_EVENT event;
ALLEGRO_TIMER *timer;
ALLEGRO_BITMAP *image;
ALLEGRO_BITMAP *image2;
(void) argc;
(void) argv;
ALLEGRO_DEBUG("init allegro!");
if (!al_init()) {
return 1;
}
ALLEGRO_DEBUG("init primitives");
al_init_primitives_addon();
ALLEGRO_DEBUG("init image addon");
al_init_image_addon();
ALLEGRO_DEBUG("init touch input");
al_install_touch_input();
ALLEGRO_DEBUG("init keyboard");
al_install_keyboard();
ALLEGRO_DEBUG("creating display");
dpy = al_create_display(800, 480);
if (!dpy) {
ALLEGRO_ERROR("failed to create display!");
return 1;
}
print_standard_paths();
/* This is loaded from assets in the apk. */
#ifdef ALLEGRO_ANDROID
al_android_set_apk_file_interface();
#endif
image = al_load_bitmap("data/alexlogo.png");
if (!image) {
ALLEGRO_DEBUG("failed to load alexlogo.png");
return 1;
}
#ifdef ALLEGRO_ANDROID
/* Copy the .png from the .apk into the user data area. */
ALLEGRO_FILE *fin = al_fopen("data/alexlogo.png", "rb");
al_set_standard_file_interface();
ALLEGRO_PATH *path = al_get_standard_path(ALLEGRO_USER_DATA_PATH);
al_set_path_filename(path, "alexlogo.png");
ALLEGRO_FILE *fout = al_fopen(al_path_cstr(path, '/'), "wb");
while (!al_feof(fin)) {
char buf[1024];
int n = al_fread(fin, buf, 1024);
al_fwrite(fout, buf, n);
}
al_fclose(fin);
al_fclose(fout);
/* This is now loaded with the normal stdio file interface and not
* from the APK.
*/
image2 = al_load_bitmap(al_path_cstr(path, '/'));
al_destroy_path(path);
#else
image2 = image;
#endif
al_convert_mask_to_alpha(image, al_map_rgb(255,0,255));
if (image2)
al_convert_mask_to_alpha(image2, al_map_rgb(255,0,255));
queue = al_create_event_queue();
al_register_event_source(queue, al_get_display_event_source(dpy));
al_register_event_source(queue, al_get_touch_input_event_source());
al_register_event_source(queue, al_get_keyboard_event_source());
timer = al_create_timer(1/60.0);
al_register_event_source(queue, al_get_timer_event_source(timer));
al_start_timer(timer);
bool draw = true;
bool running = true;
int count = 0;
while (running) {
al_wait_for_event(queue, &event);
switch (event.type) {
case ALLEGRO_EVENT_TOUCH_BEGIN:
//ALLEGRO_DEBUG("touch %i begin", event.touch.id);
touch[event.touch.id].down = true;
touch[event.touch.id].x = event.touch.x;
touch[event.touch.id].y = event.touch.y;
break;
case ALLEGRO_EVENT_TOUCH_END:
//ALLEGRO_DEBUG("touch %i end", event.touch.id);
touch[event.touch.id].down = false;
touch[event.touch.id].x = 0.0;
touch[event.touch.id].y = 0.0;
break;
case ALLEGRO_EVENT_TOUCH_MOVE:
//ALLEGRO_DEBUG("touch %i move: %fx%f", event.touch.id, event.touch.x, event.touch.y);
touch[event.touch.id].x = event.touch.x;
touch[event.touch.id].y = event.touch.y;
break;
case ALLEGRO_EVENT_TOUCH_CANCEL:
//ALLEGRO_DEBUG("touch %i canceled", event.touch.id);
break;
case ALLEGRO_EVENT_KEY_UP:
if (event.keyboard.keycode == ALLEGRO_KEY_BACK) {
ALLEGRO_DEBUG("back key pressed, exit!");
running = false;
}
else {
ALLEGRO_DEBUG("%i key pressed", event.keyboard.keycode);
}
break;
case ALLEGRO_EVENT_TIMER:
draw = true;
if (count == 60) {
ALLEGRO_DEBUG("tick");
count = 0;
}
count++;
break;
case ALLEGRO_EVENT_DISPLAY_CLOSE:
ALLEGRO_DEBUG("display close");
running = false;
break;
case ALLEGRO_EVENT_DISPLAY_HALT_DRAWING:
ALLEGRO_DEBUG("halt drawing");
// Stop the timer so we don't run at all while our display isn't
// active.
al_stop_timer(timer);
ALLEGRO_DEBUG("after set target");
draw = false;
al_acknowledge_drawing_halt(dpy);
break;
case ALLEGRO_EVENT_DISPLAY_RESUME_DRAWING:
ALLEGRO_DEBUG("resume drawing");
al_acknowledge_drawing_resume(dpy);
ALLEGRO_DEBUG("done waiting for surface recreated");
al_start_timer(timer);
break;
case ALLEGRO_EVENT_DISPLAY_RESIZE:
ALLEGRO_DEBUG("display resize");
al_acknowledge_resize(dpy);
ALLEGRO_DEBUG("done resize");
break;
}
if (draw && al_event_queue_is_empty(queue)) {
draw = false;
al_clear_to_color(al_map_rgb(255, 255, 255));
if (image) {
al_draw_bitmap(image,
al_get_display_width(dpy)/2 - al_get_bitmap_width(image)/2,
al_get_display_height(dpy)/2 - al_get_bitmap_height(image)/2,
0);
}
if (image2) {
al_draw_bitmap(image2,
al_get_display_width(dpy)/2 - al_get_bitmap_width(image)/2,
al_get_display_height(dpy)/2 + al_get_bitmap_height(image)/2,
0);
}
draw_touches();
al_flip_display();
}
}
ALLEGRO_DEBUG("done");
return 0;
}
/* vim: set sts=3 sw=3 et: */
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