static void print_event(int x, int y, caca_event_t *ev)
{
int character;
switch(caca_get_event_type(ev))
{
case CACA_EVENT_NONE:
caca_printf(cv, x, y, "CACA_EVENT_NONE");
break;
case CACA_EVENT_KEY_PRESS:
character = caca_get_event_key_ch(ev);
caca_printf(cv, x, y, "CACA_EVENT_KEY_PRESS 0x%02x (%c)", character,
(character > 0x1f && character < 0x80) ? character : '?');
break;
case CACA_EVENT_KEY_RELEASE:
character = caca_get_event_key_ch(ev);
caca_printf(cv, x, y, "CACA_EVENT_KEY_RELEASE 0x%02x (%c)", character,
(character > 0x1f && character < 0x80) ? character : '?');
break;
case CACA_EVENT_MOUSE_MOTION:
caca_printf(cv, x, y, "CACA_EVENT_MOUSE_MOTION %u %u",
caca_get_event_mouse_x(ev), caca_get_event_mouse_y(ev));
break;
case CACA_EVENT_MOUSE_PRESS:
caca_printf(cv, x, y, "CACA_EVENT_MOUSE_PRESS %u",
caca_get_event_mouse_button(ev));
break;
case CACA_EVENT_MOUSE_RELEASE:
caca_printf(cv, x, y, "CACA_EVENT_MOUSE_RELEASE %u",
caca_get_event_mouse_button(ev));
break;
case CACA_EVENT_RESIZE:
caca_printf(cv, x, y, "CACA_EVENT_RESIZE %u %u",
caca_get_event_resize_width(ev),
caca_get_event_resize_height(ev));
break;
case CACA_EVENT_QUIT:
caca_printf(cv, x, y, "CACA_EVENT_QUIT");
break;
default:
caca_printf(cv, x, y, "CACA_EVENT_UNKNOWN");
}
}
std::list<int>* CacaWrapperGui::getEvents() const{
std::list<int>* events = new std::list<int>();
int search;
int retKey;
int retok = 0;
caca_event_t _ev;
retok = caca_get_event(_dp, CACA_EVENT_KEY_PRESS, &_ev, 0);
retKey = caca_get_event_key_ch(&_ev);
search = this->_eventKeyboard.find(retKey)->second;
if (search != 0 && retok)
events->push_back(search);
return events;
}
/**
* Proccess pending event
*/
static void Manage(vout_display_t *vd)
{
vout_display_sys_t *sys = vd->sys;
struct caca_event ev;
while (caca_get_event(sys->dp, CACA_EVENT_ANY, &ev, 0) > 0) {
switch (caca_get_event_type(&ev)) {
case CACA_EVENT_KEY_PRESS: {
const int caca = caca_get_event_key_ch(&ev);
for (int i = 0; keys[i].caca != -1; i++) {
if (keys[i].caca == caca) {
const int vlc = keys[i].vlc;
if (vlc >= 0)
vout_display_SendEventKey(vd, vlc);
return;
}
}
if (caca >= 0x20 && caca <= 0x7f) {
vout_display_SendEventKey(vd, caca);
return;
}
break;
}
case CACA_EVENT_RESIZE:
vout_display_SendEventDisplaySize(vd, caca_get_event_resize_width(&ev),
caca_get_event_resize_height(&ev));
break;
case CACA_EVENT_MOUSE_MOTION: {
vout_display_place_t place;
Place(vd, &place);
const unsigned x = vd->source.i_x_offset +
(int64_t)(caca_get_event_mouse_x(&ev) - place.x) *
vd->source.i_visible_width / place.width;
const unsigned y = vd->source.i_y_offset +
(int64_t)(caca_get_event_mouse_y(&ev) - place.y) *
vd->source.i_visible_height / place.height;
caca_set_mouse(sys->dp, 1);
vout_display_SendEventMouseMoved(vd, x, y);
break;
}
case CACA_EVENT_MOUSE_PRESS:
case CACA_EVENT_MOUSE_RELEASE: {
caca_set_mouse(sys->dp, 1);
const int caca = caca_get_event_mouse_button(&ev);
for (int i = 0; mouses[i].caca != -1; i++) {
if (mouses[i].caca == caca) {
if (caca_get_event_type(&ev) == CACA_EVENT_MOUSE_PRESS)
vout_display_SendEventMousePressed(vd, mouses[i].vlc);
else
vout_display_SendEventMouseReleased(vd, mouses[i].vlc);
return;
}
}
break;
}
case CACA_EVENT_QUIT:
vout_display_SendEventClose(vd);
break;
default:
break;
}
}
}
int main(int argc, char **argv)
{
caca_event_t *events;
int i, h, quit;
cv = caca_create_canvas(80, 24);
if(cv == NULL)
{
printf("Failed to create canvas\n");
return 1;
}
dp = caca_create_display(cv);
if(dp == NULL)
{
printf("Failed to create display\n");
return 1;
}
h = caca_get_canvas_height(cv) - 1;
caca_set_color_ansi(cv, CACA_WHITE, CACA_BLUE);
caca_draw_line(cv, 0, 0, caca_get_canvas_width(cv) - 1, 0, ' ');
caca_draw_line(cv, 0, h, caca_get_canvas_width(cv) - 1, h, ' ');
caca_put_str(cv, 0, h, "type \"quit\" to exit");
caca_refresh_display(dp);
events = malloc(h * sizeof(caca_event_t));
memset(events, 0, h * sizeof(caca_event_t));
for(quit = 0; quit < 4; )
{
caca_event_t ev;
static char const * quit_string[] = { "", "q", "qu", "qui", "quit" };
int ret = caca_get_event(dp, CACA_EVENT_ANY, &ev, -1);
if(!ret)
continue;
do
{
/* "quit" quits */
if(caca_get_event_type(&ev) & CACA_EVENT_KEY_PRESS)
{
int key = caca_get_event_key_ch(&ev);
if((key == 'q' && quit == 0) || (key == 'u' && quit == 1)
|| (key == 'i' && quit == 2) || (key == 't' && quit == 3))
quit++;
else if(key == 'q')
quit = 1;
else
quit = 0;
}
memmove(events + 1, events, (h - 1) * sizeof(caca_event_t));
events[0] = ev;
ret = caca_get_event(dp, CACA_EVENT_ANY, &ev, 0);
}
while(ret);
caca_set_color_ansi(cv, CACA_LIGHTGRAY, CACA_BLACK);
caca_clear_canvas(cv);
/* Print current event */
caca_set_color_ansi(cv, CACA_WHITE, CACA_BLUE);
caca_draw_line(cv, 0, 0, caca_get_canvas_width(cv) - 1, 0, ' ');
print_event(0, 0, events);
caca_draw_line(cv, 0, h, caca_get_canvas_width(cv) - 1, h, ' ');
caca_printf(cv, 0, h, "type \"quit\" to exit: %s", quit_string[quit]);
/* Print previous events */
caca_set_color_ansi(cv, CACA_WHITE, CACA_BLACK);
for(i = 1; i < h && caca_get_event_type(&events[i]); i++)
print_event(0, i, events + i);
caca_refresh_display(dp);
}
/* Clean up */
free(events);
caca_free_display(dp);
caca_free_canvas(cv);
return 0;
}
JNIEXPORT jint JNICALL
Java_org_zoy_caca_Event_getEventKeyCh(JNIEnv *env, jclass cls, jlong ptr)
{
return caca_get_event_key_ch((caca_event_t *)ptr);
}
static VALUE get_event(VALUE self, VALUE event_mask, VALUE timeout)
{
char utf8[8];
caca_event_t ev;
VALUE e;
event_mask = rb_funcall(event_mask, rb_intern("to_i"), 0);
if(caca_get_event(_SELF, NUM2UINT(event_mask), &ev, NUM2INT(timeout)) == 0)
{
return Qnil;
}
switch(caca_get_event_type(&ev))
{
case CACA_EVENT_KEY_PRESS:
caca_get_event_key_utf8(&ev, utf8);
e = rb_funcall(cEventKeyPress, rb_intern("new"), 3,
UINT2NUM(caca_get_event_key_ch(&ev)),
ULONG2NUM(caca_get_event_key_utf32(&ev)),
rb_str_new(utf8, 8));
break;
case CACA_EVENT_KEY_RELEASE:
caca_get_event_key_utf8(&ev, utf8);
e = rb_funcall(cEventKeyRelease, rb_intern("new"), 3,
UINT2NUM(caca_get_event_key_ch(&ev)),
ULONG2NUM(caca_get_event_key_utf32(&ev)),
rb_str_new(utf8, 8));
break;
case CACA_EVENT_MOUSE_PRESS:
e = rb_funcall(cEventMousePress, rb_intern("new"), 3,
UINT2NUM(caca_get_event_mouse_x(&ev)),
UINT2NUM(caca_get_event_mouse_y(&ev)),
UINT2NUM(caca_get_event_mouse_button(&ev)));
break;
case CACA_EVENT_MOUSE_RELEASE:
e = rb_funcall(cEventMouseRelease, rb_intern("new"), 3,
UINT2NUM(caca_get_event_mouse_x(&ev)),
UINT2NUM(caca_get_event_mouse_y(&ev)),
UINT2NUM(caca_get_event_mouse_button(&ev)));
break;
case CACA_EVENT_MOUSE_MOTION:
e = rb_funcall(cEventMouseMotion, rb_intern("new"), 3,
UINT2NUM(caca_get_event_mouse_x(&ev)),
UINT2NUM(caca_get_event_mouse_y(&ev)),
Qnil);
break;
case CACA_EVENT_RESIZE:
e = rb_funcall(cEventResize, rb_intern("new"), 2,
UINT2NUM(caca_get_event_resize_width(&ev)),
UINT2NUM(caca_get_event_resize_height(&ev)));
break;
case CACA_EVENT_QUIT:
e = rb_funcall(cEventQuit, rb_intern("new"), 0);
break;
default:
rb_raise(rb_eRuntimeError, "Invalid event received !");
}
return e;
}
int main(int argc, char **argv)
{
int refresh = 1, file = 1;
unsigned int iw = 0, ih = 0;
if(argc < 2)
{
fprintf(stderr, "%s: missing argument (filename).\n", argv[0]);
return 1;
}
cv = caca_create_canvas(0, 0);
if(!cv)
return 1;
dp = caca_create_display(cv);
if(!dp)
return 1;
for(;;)
{
caca_event_t ev;
unsigned int w, h;
int dx = 0, dy = 0;
if(!image)
{
image = caca_create_canvas(0, 0);
if(caca_import_canvas_from_file(image, argv[file], "ansi") < 0)
{
fprintf(stderr, "%s: invalid file `%s'.\n", argv[0], argv[1]);
return 1;
}
ih = caca_get_canvas_height(image);
iw = caca_get_canvas_width(image);
x = y = 0;
caca_set_display_title(dp, argv[file]);
refresh = 1;
}
if(refresh)
{
refresh_screen();
refresh = 0;
}
while(caca_get_event(dp, CACA_EVENT_ANY, &ev, -1))
{
switch(caca_get_event_type(&ev))
{
case CACA_EVENT_QUIT:
goto quit;
case CACA_EVENT_KEY_PRESS:
switch(caca_get_event_key_ch(&ev))
{
case CACA_KEY_LEFT: dx -= 2; break;
case CACA_KEY_RIGHT: dx += 2; break;
case CACA_KEY_UP: dy--; break;
case CACA_KEY_DOWN: dy++; break;
case CACA_KEY_PAGEUP: dy -= 12; break;
case CACA_KEY_PAGEDOWN: dy += 12; break;
case CACA_KEY_ESCAPE:
case 'q':
goto quit;
case 'n':
file = file + 1 < argc ? file + 1 : 1;
caca_free_canvas(image);
image = NULL;
goto stopevents;
case 'p':
file = file > 1 ? file - 1 : argc - 1;
caca_free_canvas(image);
image = NULL;
goto stopevents;
default:
break;
}
case CACA_EVENT_RESIZE:
refresh = 1;
goto stopevents;
default:
break;
}
}
stopevents:
w = caca_get_canvas_width(cv);
h = caca_get_canvas_height(cv);
if(dx | dy)
{
refresh = 1;
x += dx;
y += dy;
if(x < 0) x = 0; else if(x + w > iw) x = iw > w ? iw - w : 0;
if(y < 0) y = 0; else if(y + h > ih) y = ih > h ? ih - h : 0;
}
}
quit:
/* Clean up */
caca_free_display(dp);
caca_free_canvas(image);
caca_free_canvas(cv);
return 0;
}
int main(int argc, char **argv)
{
static caca_display_t *dp;
static caca_canvas_t *frontcv, *backcv, *mask;
int demo, next = -1, paused = 0, next_transition = DEMO_FRAMES;
unsigned int i;
int tmode = caca_rand(0, TRANSITION_COUNT);
/* Set up two canvases, a mask, and attach a display to the front one */
frontcv = caca_create_canvas(0, 0);
backcv = caca_create_canvas(0, 0);
mask = caca_create_canvas(0, 0);
dp = caca_create_display(frontcv);
if(!dp)
return 1;
caca_set_canvas_size(backcv, caca_get_canvas_width(frontcv),
caca_get_canvas_height(frontcv));
caca_set_canvas_size(mask, caca_get_canvas_width(frontcv),
caca_get_canvas_height(frontcv));
caca_set_display_time(dp, 20000);
/* Initialise all demos' lookup tables */
for(i = 0; i < DEMOS; i++)
fn[i](PREPARE, frontcv);
/* Choose a demo at random */
demo = caca_rand(0, DEMOS);
fn[demo](INIT, frontcv);
for(;;)
{
/* Handle events */
caca_event_t ev;
while(caca_get_event(dp, CACA_EVENT_KEY_PRESS
| CACA_EVENT_QUIT, &ev, 0))
{
if(caca_get_event_type(&ev) == CACA_EVENT_QUIT)
goto end;
switch(caca_get_event_key_ch(&ev))
{
case CACA_KEY_ESCAPE:
case CACA_KEY_CTRL_C:
case CACA_KEY_CTRL_Z:
goto end;
case ' ':
paused = !paused;
break;
case '\r':
if(next == -1)
next_transition = frame;
break;
}
}
/* Resize the spare canvas, just in case the main one changed */
caca_set_canvas_size(backcv, caca_get_canvas_width(frontcv),
caca_get_canvas_height(frontcv));
caca_set_canvas_size(mask, caca_get_canvas_width(frontcv),
caca_get_canvas_height(frontcv));
if(paused)
goto _paused;
/* Update demo's data */
fn[demo](UPDATE, frontcv);
/* Handle transitions */
if(frame == next_transition)
{
next = caca_rand(0, DEMOS);
if(next == demo)
next = (next + 1) % DEMOS;
fn[next](INIT, backcv);
}
else if(frame == next_transition + TRANSITION_FRAMES)
{
fn[demo](FREE, frontcv);
demo = next;
next = -1;
next_transition = frame + DEMO_FRAMES;
tmode = caca_rand(0, TRANSITION_COUNT);
}
if(next != -1)
fn[next](UPDATE, backcv);
frame++;
_paused:
/* Render main demo's canvas */
fn[demo](RENDER, frontcv);
/* If a transition is on its way, render it */
if(next != -1)
{
fn[next](RENDER, backcv);
caca_set_color_ansi(mask, CACA_LIGHTGRAY, CACA_BLACK);
caca_clear_canvas(mask);
caca_set_color_ansi(mask, CACA_WHITE, CACA_WHITE);
transition(mask, tmode,
100 * (frame - next_transition) / TRANSITION_FRAMES);
caca_blit(frontcv, 0, 0, backcv, mask);
}
caca_set_color_ansi(frontcv, CACA_WHITE, CACA_BLUE);
if(frame < 100)
caca_put_str(frontcv, caca_get_canvas_width(frontcv) - 30,
caca_get_canvas_height(frontcv) - 2,
" -=[ Powered by libcaca ]=- ");
caca_refresh_display(dp);
}
end:
if(next != -1)
fn[next](FREE, frontcv);
fn[demo](FREE, frontcv);
caca_free_display(dp);
caca_free_canvas(mask);
caca_free_canvas(backcv);
caca_free_canvas(frontcv);
return 0;
}
int main(int argc, char *argv[])
{
textentry entries[TEXT_ENTRIES];
caca_canvas_t *cv;
caca_display_t *dp;
unsigned int i, e = 0, running = 1;
cv = caca_create_canvas(0, 0);
if(cv == NULL)
{
printf("Can't create canvas\n");
return -1;
}
dp = caca_create_display(cv);
if(dp == NULL)
{
printf("Can't create display\n");
return -1;
}
caca_set_cursor(dp, 1);
caca_set_color_ansi(cv, CACA_WHITE, CACA_BLUE);
caca_put_str(cv, 1, 1, "Text entries - press tab to cycle");
for(i = 0; i < TEXT_ENTRIES; i++)
{
entries[i].buffer[0] = 0;
entries[i].size = 0;
entries[i].cursor = 0;
entries[i].changed = 1;
caca_printf(cv, 3, 3 * i + 4, "[entry %i]", i + 1);
}
/* Put Unicode crap in the last text entry */
entries[TEXT_ENTRIES - 1].buffer[0] = 'A';
entries[TEXT_ENTRIES - 1].buffer[1] = 'b';
entries[TEXT_ENTRIES - 1].buffer[2] = caca_utf8_to_utf32("Ç", NULL);
entries[TEXT_ENTRIES - 1].buffer[3] = caca_utf8_to_utf32("đ", NULL);
entries[TEXT_ENTRIES - 1].buffer[4] = caca_utf8_to_utf32("ボ", NULL);
entries[TEXT_ENTRIES - 1].buffer[5] = CACA_MAGIC_FULLWIDTH;
entries[TEXT_ENTRIES - 1].buffer[6] = caca_utf8_to_utf32("♥", NULL);
entries[TEXT_ENTRIES - 1].size = 7;
while(running)
{
caca_event_t ev;
for(i = 0; i < TEXT_ENTRIES; i++)
{
unsigned int j, start, size;
if(!entries[i].changed)
continue;
caca_set_color_ansi(cv, CACA_BLACK, CACA_LIGHTGRAY);
caca_fill_box(cv, 2, 3 * i + 5, BUFFER_SIZE + 1, 1, ' ');
start = 0;
size = entries[i].size;
for(j = 0; j < size; j++)
{
caca_put_char(cv, 2 + j, 3 * i + 5,
entries[i].buffer[start + j]);
}
entries[i].changed = 0;
}
/* Put the cursor on the active textentry */
caca_gotoxy(cv, 2 + entries[e].cursor, 3 * e + 5);
caca_refresh_display(dp);
if(caca_get_event(dp, CACA_EVENT_KEY_PRESS, &ev, -1) == 0)
continue;
switch(caca_get_event_key_ch(&ev))
{
case CACA_KEY_ESCAPE:
running = 0;
break;
case CACA_KEY_TAB:
case CACA_KEY_RETURN:
e = (e + 1) % TEXT_ENTRIES;
break;
case CACA_KEY_HOME:
entries[e].cursor = 0;
break;
case CACA_KEY_END:
entries[e].cursor = entries[e].size;
break;
case CACA_KEY_LEFT:
if(entries[e].cursor)
entries[e].cursor--;
break;
case CACA_KEY_RIGHT:
if(entries[e].cursor < entries[e].size)
entries[e].cursor++;
break;
case CACA_KEY_DELETE:
if(entries[e].cursor < entries[e].size)
{
memmove(entries[e].buffer + entries[e].cursor,
entries[e].buffer + entries[e].cursor + 1,
(entries[e].size - entries[e].cursor + 1) * 4);
entries[e].size--;
entries[e].changed = 1;
}
break;
case CACA_KEY_BACKSPACE:
if(entries[e].cursor)
{
memmove(entries[e].buffer + entries[e].cursor - 1,
entries[e].buffer + entries[e].cursor,
(entries[e].size - entries[e].cursor) * 4);
entries[e].size--;
entries[e].cursor--;
entries[e].changed = 1;
}
break;
default:
if(entries[e].size < BUFFER_SIZE)
{
memmove(entries[e].buffer + entries[e].cursor + 1,
entries[e].buffer + entries[e].cursor,
(entries[e].size - entries[e].cursor) * 4);
entries[e].buffer[entries[e].cursor] =
caca_get_event_key_utf32(&ev);
entries[e].size++;
entries[e].cursor++;
entries[e].changed = 1;
}
break;
}
}
caca_free_display(dp);
caca_free_canvas(cv);
return 0;
}
int main(int argc, char **argv){
SDL_AudioSpec requested, obtained;
int quit = 0;
int xo, yo;
int i, j, k;
int meter[4];
static char chars[10] =
{
'+', '-', '*', '#', 'X', '@', '%', '$', 'M', 'W'
};
caca_display_t *dp;
caca_canvas_t *cv;
caca_canvas_t *pineapple;
if(SDL_Init( SDL_INIT_AUDIO ) < 0){
err(1, "Couldnt initialize SDL\n");
exit(1);
}
cv = caca_create_canvas(80, 24);
pineapple = caca_create_canvas(0, 0);
if((cv == NULL) || (pineapple == NULL)){
printf("failed to create canvas\n");
return 1;
}
dp = caca_create_display(cv);
caca_set_display_time(dp, 20000);
if(dp == NULL){
printf("Failed to create display\n");
return 1;
}
caca_import_file(pineapple, "./pineapple", "");
atexit(SDL_Quit);
requested.freq = 16000;
requested.format = AUDIO_U8;
requested.samples = 256;
requested.callback = audiocb;
requested.channels = 1;
if(SDL_OpenAudio(&requested, &obtained) == -1){
err(1, "SDL_OpenAudio");
}
initchip();
loadfile(argv[1]);
SDL_PauseAudio(0);
silence();
startplaysong(0);
while(!quit)
{
caca_event_t ev;
caca_set_color_ansi(cv, CACA_DEFAULT, CACA_DEFAULT);
caca_clear_canvas(cv);
xo = caca_get_canvas_width(cv);
yo = caca_get_canvas_height(cv);
//caca_blit(cv, 0, 0, pineapple, NULL);
caca_blit(cv, 55, 0, pineapple, NULL);
caca_set_color_ansi(cv, caca_rand(0, 16), caca_rand(0, 16));
caca_put_str(cv, (xo - strlen("pineapple player")) / 2, (yo / 2) - 5, "pineapple player");
caca_set_color_ansi(cv, caca_rand(0, 16), caca_rand(0, 16));
caca_printf(cv, (xo - strlen("song pos -> ")) / 2, (yo / 2) - 3, "song pos -> %x", songpos);
for(i = 0; i < 4; i ++)
meter[i] = (osc[i].volume*20)/255;
/* note visualizer */
i = 0;
for(j = 0; j < 25; j=j+6){
for(k = 0; k < 4; k++){
caca_draw_line(cv, (((xo/2)+10)-j)-k, yo, (((xo/2)+10)-j)-k, yo - meter[i],
chars[caca_rand(0, 9)]);
}
i++;
}
for(i = 0; i < 4; i ++)
caca_printf(cv, 0, i, "%0x", osc[i].volume);
while(caca_get_event(dp, CACA_EVENT_ANY, &ev, 0))
{
if(caca_get_event_type(&ev) & CACA_EVENT_KEY_PRESS)
{
switch(caca_get_event_key_ch(&ev))
{
case 'q':
case 'Q':
case CACA_KEY_ESCAPE:
quit = 1;
break;
}
}
}
caca_refresh_display(dp);
}
silence();
caca_free_display(dp);
caca_free_canvas(cv);
return 0;
}
int main(int argc, char *argv[])
{
/* libcaca/libcaca contexts */
caca_canvas_t *cv;
caca_display_t *dp;
caca_canvas_t *tex;
/* cached canvas size */
int ww, wh, tw, th;
/* logic */
int quit = 0;
int update = 1;
int px, py;
float angle = 0;
float square[6][2] = {
{-SQUARE_SIZE, -SQUARE_SIZE},
{SQUARE_SIZE, -SQUARE_SIZE},
{SQUARE_SIZE, SQUARE_SIZE},
{-SQUARE_SIZE, SQUARE_SIZE},
};
float uv1[6] = {
0, 0,
1, 0,
1, 1
};
float uv2[6] = {
0, 0,
1, 1,
0, 1
};
float rotated[4][2];
int coords1[6], coords2[6];
/* Create displayed canvas */
cv = caca_create_canvas(0, 0);
if (!cv)
{
fprintf(stderr, "%s: unable to initialise libcaca\n", argv[0]);
return 1;
}
/* Create texture holding canvas */
tex = caca_create_canvas(16, 16);
if (!tex)
{
fprintf(stderr, "%s: unable to initialise libcaca\n", argv[0]);
return 1;
}
/* Open window */
dp = caca_create_display(cv);
if (!dp)
{
fprintf(stderr, "%s: unable to initialise libcaca\n", argv[0]);
return 1;
}
/* Set the window title */
caca_set_display_title(dp, "trifiller");
/* Frame duration */
caca_set_display_time(dp, 10000);
/* Get displayed canvas size */
ww = caca_get_canvas_width(cv);
wh = caca_get_canvas_height(cv);
/* Texture size */
tw = caca_get_canvas_width(tex);
th = caca_get_canvas_height(tex);
/* Load texture if any */
if (argc == 2)
{
struct image *im = load_image(argv[1]);
if (!im)
{
fprintf(stderr, "%s: unable to load image '%s'\n", argv[0],
argv[1]);
return 1;
}
caca_set_dither_algorithm(im->dither,
caca_get_dither_algorithm_list(NULL)[4]);
caca_dither_bitmap(tex, 0, 0, tw, th, im->dither, im->pixels);
unload_image(im);
}
/* or generate one */
else
{
int i;
for (i = 0; i < 16; i++)
{
caca_set_color_ansi(tex, (i + 1) % 0xF, i % 0xF);
caca_put_str(tex, 0, i, "0123456789ABCDEF");
}
}
px = 0;
py = 0;
while (!quit)
{
caca_event_t ev;
unsigned int const event_mask = CACA_EVENT_KEY_PRESS
| CACA_EVENT_RESIZE | CACA_EVENT_QUIT;
int event;
if (update)
event = caca_get_event(dp, event_mask, &ev, 0);
else
event = caca_get_event(dp, event_mask, &ev, -1);
while (event)
{
if (caca_get_event_type(&ev) & CACA_EVENT_KEY_PRESS)
switch (caca_get_event_key_ch(&ev))
{
case 'q':
case 'Q':
case CACA_KEY_ESCAPE:
quit = 1;
break;
case CACA_KEY_UP:
py--;
break;
case CACA_KEY_DOWN:
py++;
break;
case CACA_KEY_LEFT:
px--;
break;
case CACA_KEY_RIGHT:
px++;
break;
case 'a':
angle += 1.0f;
break;
case 's':
angle -= 1.0f;
break;
}
else if (caca_get_event_type(&ev) == CACA_EVENT_RESIZE)
{
caca_refresh_display(dp);
ww = caca_get_event_resize_width(&ev);
wh = caca_get_event_resize_height(&ev);
update = 1;
}
else if (caca_get_event_type(&ev) & CACA_EVENT_QUIT)
quit = 1;
event = caca_get_event(dp, CACA_EVENT_KEY_PRESS, &ev, 0);
}
/* 2D Rotation around screen center */
int p;
for (p = 0; p < 4; p++)
{
rotated[p][0] =
square[p][0] * cos(angle * M_PI / 180.0f) -
square[p][1] * sin(angle * M_PI / 180.0f);
rotated[p][1] =
square[p][0] * sin(angle * M_PI / 180.0f) +
square[p][1] * cos(angle * M_PI / 180.0f);
rotated[p][0] += ww / 2 + px;
rotated[p][1] += wh / 2 + py;
}
angle += 1.0f;
/* Reaarange coordinates to fit libcaca's format */
coords1[0] = rotated[0][0];
coords1[1] = rotated[0][1];
coords1[2] = rotated[1][0];
coords1[3] = rotated[1][1];
coords1[4] = rotated[2][0];
coords1[5] = rotated[2][1];
coords2[0] = rotated[0][0];
coords2[1] = rotated[0][1];
coords2[2] = rotated[2][0];
coords2[3] = rotated[2][1];
coords2[4] = rotated[3][0];
coords2[5] = rotated[3][1];
/* Display two triangles */
caca_fill_triangle_textured(cv, /* canvas */
coords1, /* triangle coordinates */
tex, /* texture canvas */
uv1); /* texture coordinates */
caca_fill_triangle_textured(cv, coords2, tex, uv2);
/* Refresh display and clear for next frame */
caca_refresh_display(dp);
caca_clear_canvas(cv);
}
caca_free_display(dp);
caca_free_canvas(cv);
caca_free_canvas(tex);
return 0;
}
