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");
}
}
/**
* 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;
}
}
}
JNIEXPORT jint JNICALL
Java_org_zoy_caca_Event_getEventResizeHeight(JNIEnv *env, jclass cls, jlong ptr)
{
return caca_get_event_resize_height((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[])
{
/* 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;
}
