static int preinit(struct vo *vo, const char *arg)
{
if (arg) {
mp_msg(MSGT_VO, MSGL_ERR, "vo_caca: Unknown subdevice: %s\n", arg);
return ENOSYS;
}
canvas = caca_create_canvas(0, 0);
if (canvas == NULL) {
mp_msg(MSGT_VO, MSGL_ERR, "vo_caca: failed to create canvas\n");
return ENOSYS;
}
display = caca_create_display(canvas);
if (display == NULL) {
mp_msg(MSGT_VO, MSGL_ERR, "vo_caca: failed to create display\n");
caca_free_canvas(canvas);
return ENOSYS;
}
caca_set_display_title(display, "MPlayer");
return 0;
}
int main(int argc, char *argv[])
{
char const * const *list;
caca_display_t *dp;
caca_canvas_t *cv;
list = caca_get_display_driver_list();
dp = caca_create_display(NULL);
if(dp == NULL)
{
printf("cannot create display\n");
return -1;
}
cv = caca_get_canvas(dp);
caca_set_color_ansi(cv, CACA_WHITE, CACA_BLACK);
while(1)
{
char const *driver;
int i, cur = 0;
caca_put_str(cv, 1, 0, "Available drivers:");
driver = caca_get_display_driver(dp);
for(i = 0; list[i]; i += 2)
{
int match = !strcmp(list[i], driver);
if(match)
cur = i;
caca_draw_line(cv, 0, i + 2, 9999, i + 2, ' ');
caca_printf(cv, 2, i + 2, "%c %s (%s)",
match ? '*' : ' ', list[i], list[i + 1]);
}
caca_put_str(cv, 1, i + 2, "Switching driver in 5 seconds");
caca_refresh_display(dp);
if(caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, 5000000))
break;
do
{
cur += 2;
if(list[cur] && !strcmp(list[cur], "raw"))
cur += 2;
if(!list[cur])
cur = 0;
}
while(caca_set_display_driver(dp, list[cur]));
}
caca_free_display(dp);
return 0;
}
int main(void)
{
// R G B A
uint32_t pattern = 0xFFFF00FF;
#ifdef __APPLE__
memset_pattern4(gfx, &pattern, sizeof(gfx));
#else
wmemset(gfx, pattern, (64*32) * sizeof(char));
#endif
gfx[0] = 0xFF0000FF; // R
gfx[1] = 0x00FF00FF; // G
gfx[2] = 0x0000FFFF; // B
gfx[63] = 0xFF0000FF; // R
gfx[64*31] =0x00FF00FF; // G
int x = 64, y = 32;
gfx[(y-1)*64+(x-1)] = 0x0000FFFF; // B
caca_canvas_t *cv; caca_display_t *dp; caca_event_t ev;
dp = caca_create_display(NULL);
if(!dp)
return 1;
/*
printf("Current driver: %s\n", caca_get_display_driver(dp));
char **drivers = caca_get_display_driver_list();
caca_free_display(dp);
while(*drivers != NULL) {
printf("%s\n", *drivers);
drivers++;
}
exit(0);*/
cv = caca_get_canvas(dp);
caca_dither_t *dither = caca_create_dither(32, 64, 32, 4*64,
0xFF000000,
0x00FF0000,
0x0000FF00,
0x000000FF);
int cw = caca_get_canvas_width(cv);
int ch = caca_get_canvas_height(cv);
caca_set_display_title(dp, "Hello!");
//caca_set_color_ansi(cv, CACA_BLUE, CACA_WHITE);
//caca_put_str(cv, 0, 0, "This is a message");
caca_dither_bitmap(cv, 0,0,cw,ch, dither, gfx);
caca_refresh_display(dp);
caca_free_dither(dither);
//caca_get_event(dp, CACA_EVENT_KEY_PRESS, &ev, -1);
caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1);
caca_free_display(dp);
return 0;
}
void gui_console_init(int argc, char *argv[], int w, int h, int bpp)
{
c_ui.dp = caca_create_display(NULL);
c_ui.cv = caca_get_canvas(c_ui.dp);
c_ui.ww = caca_get_canvas_width(c_ui.cv);
c_ui.wh = caca_get_canvas_height(c_ui.cv);
caca_set_display_title(c_ui.dp, PACKAGE_NAME);
c_ui.im = caca_create_dither(
bpp,
w, h,
3 * w /*stride*/,
0xff0000, 0x00ff00, 0x0000ff, 0);
}
int main(int argc, char *argv[])
{
caca_canvas_t *cv;
caca_display_t *dp;
int x, y;
cv = caca_create_canvas(32, 16);
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;
}
for(y = 0; y < 16; y++)
for(x = 0; x < 16; x++)
{
uint16_t bgcolor = 0xff00 | (y << 4) | x;
uint16_t fgcolor = 0xf000 | ((15 - y) << 4) | ((15 - x) << 8);
caca_set_color_argb(cv, fgcolor, bgcolor);
caca_put_str(cv, x * 2, y, "CA");
}
caca_set_color_ansi(cv, CACA_WHITE, CACA_LIGHTBLUE);
caca_put_str(cv, 2, 1, " truecolor libcaca ");
caca_refresh_display(dp);
caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1);
caca_free_display(dp);
caca_free_canvas(cv);
return 0;
}
static int preinit(struct vo *vo)
{
canvas = caca_create_canvas(0, 0);
if (canvas == NULL) {
mp_msg(MSGT_VO, MSGL_ERR, "vo_caca: failed to create canvas\n");
return ENOSYS;
}
display = caca_create_display(canvas);
if (display == NULL) {
mp_msg(MSGT_VO, MSGL_ERR, "vo_caca: failed to create display\n");
caca_free_canvas(canvas);
return ENOSYS;
}
caca_set_display_title(display, "mpv");
return 0;
}
static void caca_gfx_create()
{
caca_display = caca_create_display(NULL);
caca_cv = caca_get_canvas(caca_display);
if(!caca_video_width || !caca_video_height)
{
caca_video_width = caca_get_canvas_width(caca_cv);
caca_video_height = caca_get_canvas_height(caca_cv);
}
if (caca_rgb32)
caca_dither = caca_create_dither(32, caca_video_width, caca_video_height, caca_video_pitch,
0x00ff0000, 0xff00, 0xff, 0x0);
else
caca_dither = caca_create_dither(16, caca_video_width, caca_video_height, caca_video_pitch,
0xf800, 0x7e0, 0x1f, 0x0);
video_driver_set_size(&caca_video_width, &caca_video_height);
}
int main(int argc, char *argv[])
{
caca_canvas_t *cv, *sprite;
caca_display_t *dp;
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;
}
sprite = caca_create_canvas(0, 0);
caca_set_color_ansi(sprite, CACA_LIGHTRED, CACA_BLACK);
caca_import_canvas_from_memory(sprite, pig, strlen(pig), "text");
caca_set_canvas_handle(sprite, caca_get_canvas_width(sprite) / 2,
caca_get_canvas_height(sprite) / 2);
caca_set_color_ansi(cv, CACA_WHITE, CACA_BLUE);
caca_put_str(cv, 0, 0, "Centered sprite");
caca_blit(cv, caca_get_canvas_width(cv) / 2,
caca_get_canvas_height(cv) / 2, sprite, NULL);
caca_refresh_display(dp);
caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1);
caca_free_display(dp);
caca_free_canvas(sprite);
caca_free_canvas(cv);
return 0;
}
int main(int argc, char *argv[])
{
caca_display_t *dp;
caca_canvas_t *cv;
caca_dither_t *dither;
int x, y;
dp = caca_create_display(NULL);
if(dp == NULL)
{
printf("Can't create display\n");
return -1;
}
cv = caca_get_canvas(dp);
for(y = 0; y < 256; y++)
for(x = 0; x < 256; x++)
{
buffer[y * 256 + x] = ((y * x / 256) << 16) | ((y * x / 256) << 8) | (x<< 0);
}
dither = caca_create_dither(32, 256, 256, 4 * 256,
0x00ff0000, 0x0000ff00, 0x000000ff, 0x0);
caca_dither_bitmap(caca_get_canvas(dp), 0, 0, caca_get_canvas_width(cv),
caca_get_canvas_height(cv), dither, buffer);
caca_free_dither(dither);
caca_refresh_display(dp);
caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1);
caca_free_display(dp);
return 0;
}
CacaWrapperGui::CacaWrapperGui() {
_dp = caca_create_display(NULL);
_cv = caca_get_canvas(_dp);
caca_set_display_title(_dp, "THE GAME!");
initEventType();
}
static VALUE display_initialize(int argc, VALUE* argv, VALUE self)
{
caca_display_t *display;
caca_canvas_t *canvas = NULL;
const char *driver = NULL;
VALUE cv = Qnil;
VALUE arg1, arg2;
rb_scan_args(argc, argv, "02", &arg1, &arg2);
if(CLASS_OF(arg1) == cCanvas)
{
cv = arg1;
if(CLASS_OF(arg2) == cCanvas)
{
rb_raise(rb_eArgError, "Only one argument can be a Caca::Canvas");
}
}
else if(CLASS_OF(arg2) == cCanvas)
{
cv = arg2;
}
if(TYPE(arg1) == T_STRING)
{
driver = StringValuePtr(arg1);
if(TYPE(arg2) == T_STRING)
{
rb_raise(rb_eArgError, "Only one argument can be a string");
}
}
else if(TYPE(arg2) == T_STRING)
{
driver = StringValuePtr(arg2);
}
if(cv != Qnil)
canvas = DATA_PTR(cv);
if(driver == NULL)
{
display = caca_create_display(canvas);
if(display && NIL_P(cv))
{
cv = canvas_create(caca_get_canvas(display));
}
}
else
{
display = caca_create_display_with_driver(canvas, driver);
}
if(display == NULL)
{
rb_raise(rb_eRuntimeError, "%s", strerror(errno));
}
_SELF = display;
rb_iv_set(self, "@canvas", cv);
return self;
}
int main(int argc, char *argv[])
{
caca_canvas_t *cv, *image, *tmp, *sprite;
caca_display_t *dp;
cv = caca_create_canvas(0, 0);
if(cv == NULL)
{
printf("Can't created canvas\n");
return -1;
}
dp = caca_create_display(cv);
if(dp == NULL)
{
printf("Can't create display\n");
return -1;
}
image = caca_create_canvas(70, 6);
tmp = caca_create_canvas(70, 6);
sprite = caca_create_canvas(0, 0);
caca_set_color_ansi(sprite, CACA_LIGHTMAGENTA, CACA_BLACK);
caca_import_canvas_from_memory(sprite, pig, strlen(pig), "text");
caca_blit(image, 55, 0, sprite, NULL);
caca_set_color_ansi(sprite, CACA_LIGHTGREEN, CACA_BLACK);
caca_import_canvas_from_memory(sprite, duck, strlen(duck), "text");
caca_blit(image, 30, 1, sprite, NULL);
caca_set_color_ansi(image, CACA_LIGHTCYAN, CACA_BLACK);
caca_put_str(image, 1, 1, "hahaha mais vieux porc immonde !! [⽼ ⾗]");
caca_set_color_ansi(image, CACA_LIGHTRED, CACA_BLACK);
caca_put_char(image, 38, 1, '|');
caca_set_color_ansi(image, CACA_YELLOW, CACA_BLACK);
caca_put_str(image, 4, 2, "\\o\\ \\o| _o/ \\o_ |o/ /o/");
caca_set_color_ansi(image, CACA_WHITE, CACA_LIGHTRED);
caca_put_str(image, 7, 3, "▙▘▌▙▘▞▖▞▖▌ ▞▖▌ ▌▌");
caca_put_str(image, 7, 4, "▛▖▌▛▖▚▘▚▘▚▖▚▘▚▖▖▖");
caca_set_color_ansi(image, CACA_BLACK, CACA_LIGHTRED);
caca_put_str(image, 4, 3, "▓▒░");
caca_put_str(image, 4, 4, "▓▒░");
caca_put_str(image, 24, 3, "░▒▓");
caca_put_str(image, 24, 4, "░▒▓");
/* Blit the transformed canvas onto the main canvas */
caca_set_color_ansi(cv, CACA_WHITE, CACA_BLUE);
caca_put_str(cv, 0, 0, "normal");
caca_blit(cv, 10, 0, image, NULL);
caca_put_str(cv, 0, 6, "flip");
caca_blit(tmp, 0, 0, image, NULL);
caca_flip(tmp);
caca_blit(cv, 10, 6, tmp, NULL);
caca_put_str(cv, 0, 12, "flop");
caca_blit(tmp, 0, 0, image, NULL);
caca_flop(tmp);
caca_blit(cv, 10, 12, tmp, NULL);
caca_put_str(cv, 0, 18, "rotate");
caca_blit(tmp, 0, 0, image, NULL);
caca_rotate_180(tmp);
caca_blit(cv, 10, 18, tmp, NULL);
caca_refresh_display(dp);
caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1);
caca_free_display(dp);
caca_free_canvas(tmp);
caca_free_canvas(sprite);
caca_free_canvas(image);
caca_free_canvas(cv);
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[])
{
caca_canvas_t *cv;
caca_display_t *dp;
cv = caca_create_canvas(0, 0);
if(cv == NULL)
{
printf("Can't created canvas\n");
return -1;
}
dp = caca_create_display(cv);
if(dp == NULL)
{
printf("Can't create display\n");
return -1;
}
caca_set_color_ansi(cv, CACA_WHITE, CACA_BLUE);
caca_put_str(cv, 1, 1, "Basic Unicode support");
caca_set_color_ansi(cv, CACA_DEFAULT, CACA_TRANSPARENT);
caca_put_str(cv, 1, 2, "This is ASCII: | abc DEF 123 !@# |");
caca_put_str(cv, 1, 3, "This is Unicode: | äßç δεφ ☺♥♀ ╞╬╗ |");
caca_put_str(cv, 1, 4, "And this is, too: | ἀβϛ ΔЗҒ ᚴᛒᛯ ♩♔✈ |");
caca_put_str(cv, 41, 4, "Size test: 018adxmygWX'_ÍçÕĔŷ ﻙ が本");
caca_put_str(cv, 1, 5, "If the three lines do not have the same length, there is a bug somewhere.");
caca_set_color_ansi(cv, CACA_WHITE, CACA_BLUE);
caca_put_str(cv, 1, 7, "Gradient glyphs");
caca_set_color_ansi(cv, CACA_DEFAULT, CACA_TRANSPARENT);
caca_put_str(cv, 31, 8, " 0%");
caca_put_str(cv, 31, 9, " 25%");
caca_put_str(cv, 31, 10, " 50%");
caca_put_str(cv, 31, 11, " 75%");
caca_put_str(cv, 31, 12, "100%");
caca_set_color_ansi(cv, CACA_LIGHTRED, CACA_LIGHTGREEN);
caca_put_str(cv, 1, 8, " ");
caca_put_str(cv, 1, 9, "░░░░░░░░░░░░░░░░░░░░░░░░░░░░░");
caca_put_str(cv, 1, 10, "▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒");
caca_put_str(cv, 1, 11, "▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓");
caca_put_str(cv, 1, 12, "█████████████████████████████");
caca_set_color_ansi(cv, CACA_LIGHTGREEN, CACA_LIGHTRED);
caca_put_str(cv, 36, 8, "█████████████████████████████");
caca_put_str(cv, 36, 9, "▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓");
caca_put_str(cv, 36, 10, "▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒");
caca_put_str(cv, 36, 11, "░░░░░░░░░░░░░░░░░░░░░░░░░░░░░");
caca_put_str(cv, 36, 12, " ");
caca_set_color_ansi(cv, CACA_WHITE, CACA_BLUE);
caca_put_str(cv, 1, 14, "Double width characters");
caca_set_color_ansi(cv, CACA_LIGHTRED, CACA_TRANSPARENT);
caca_put_str(cv, 1, 15, "| ドラゴン ボーレ |");
caca_set_color_ansi(cv, CACA_DEFAULT, CACA_TRANSPARENT);
caca_put_str(cv, 1, 16, "| ()()()() ()()() |");
caca_set_color_ansi(cv, CACA_YELLOW, CACA_TRANSPARENT);
caca_put_str(cv, 1, 17, "| ドラゴン");
caca_put_str(cv, 12, 17, "ボーレ |");
caca_set_color_ansi(cv, CACA_DEFAULT, CACA_TRANSPARENT);
caca_put_str(cv, 1, 18, "If the three lines do not have the same length, there is a bug somewhere.");
caca_put_str(cv, 1, 20, "CP437 glyphs: ☺ ☻ ♥ ♦ ♣ ♠ • ◘ ○ ◙ ♂ ♀ ♪ ♫ ☼ ► ◄ ↕ ‼ ¶ § ▬ ↨ ↑ ↓ → ← ∟ ↔ ▲ ▼");
caca_put_str(cv, 1, 21, "more CP437: α ß Γ π Σ σ µ τ Φ Θ Ω δ ∞ φ ε ∩ ≡ ± ≥ ≤ ⌠ ⌡ ÷ ≈ ° ∙ · √ ⁿ ² ■");
caca_put_str(cv, 1, 22, "drawing blocks: ███ ▓▓▓ ▒▒▒ ░░░ ▀ ▄ ▌ ▐ █ ▖ ▗ ▘ ▝ ▚ ▞ ▙ ▛ ▜ ▟ ─ │ ┌ ┐ └ ┘ ├ ┤");
caca_put_str(cv, 1, 23, "more drawing: ┬ ┴ ┼ ═ ║ ╒ ╓ ╔ ╕ ╖ ╗ ╘ ╙ ╚ ╛ ╜ ╝ ╞ ╟ ╠ ╡ ╢ ╣ ╤ ╥ ╦ ╧ ╨ ╩ ╪ ╫ ╬");
caca_put_str(cv, 1, 24, "misc Unicode: ● ☭ ☮ ☯ ♔ ♛ ♙ ♞ ⚒ ⚓ ⚠");
caca_refresh_display(dp);
caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1);
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)
{
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[])
{
caca_canvas_t *cv;
caca_display_t *dp;
caca_font_t *f;
caca_dither_t *d;
uint8_t *buf;
unsigned int w, h;
char const * const * fonts;
/* Create a canvas */
cv = caca_create_canvas(8, 2);
if(cv == NULL)
{
printf("Can't create canvas\n");
return -1;
}
/* Draw stuff on our canvas */
caca_set_color_ansi(cv, CACA_WHITE, CACA_BLACK);
caca_put_str(cv, 0, 0, "ABcde");
caca_set_color_ansi(cv, CACA_LIGHTRED, CACA_BLACK);
caca_put_str(cv, 5, 0, "\\o/");
caca_set_color_ansi(cv, CACA_WHITE, CACA_BLUE);
caca_put_str(cv, 0, 1, "&$âøÿØ?!");
/* Load a libcaca internal font */
fonts = caca_get_font_list();
if(fonts[0] == NULL)
{
fprintf(stderr, "error: libcaca was compiled without any fonts\n");
return -1;
}
f = caca_load_font(fonts[0], 0);
if(f == NULL)
{
fprintf(stderr, "error: could not load font \"%s\"\n", fonts[0]);
return -1;
}
/* Create our bitmap buffer (32-bit ARGB) */
w = caca_get_canvas_width(cv) * caca_get_font_width(f);
h = caca_get_canvas_height(cv) * caca_get_font_height(f);
buf = malloc(4 * w * h);
/* Render the canvas onto our image buffer */
caca_render_canvas(cv, f, buf, w, h, 4 * w);
/* Just for fun, render the image using libcaca */
caca_set_canvas_size(cv, 80, 32);
dp = caca_create_display(cv);
{
#if defined(HAVE_ENDIAN_H)
if(__BYTE_ORDER == __BIG_ENDIAN)
#else
/* This is compile-time optimised with at least -O1 or -Os */
uint32_t const tmp = 0x12345678;
if(*(uint8_t const *)&tmp == 0x12)
#endif
d = caca_create_dither(32, w, h, 4 * w,
0xff0000, 0xff00, 0xff, 0xff000000);
else
d = caca_create_dither(32, w, h, 4 * w,
0xff00, 0xff0000, 0xff000000, 0xff);
}
caca_dither_bitmap(cv, 0, 0, caca_get_canvas_width(cv),
caca_get_canvas_height(cv), d, buf);
caca_refresh_display(dp);
caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1);
/* Free everything */
caca_free_display(dp);
free(buf);
caca_free_dither(d);
caca_free_font(f);
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;
}
/**
* This function initializes libcaca vout method.
*/
static int Open(vlc_object_t *object)
{
vout_display_t *vd = (vout_display_t *)object;
vout_display_sys_t *sys;
#if defined(WIN32) && !defined(UNDER_CE)
CONSOLE_SCREEN_BUFFER_INFO csbiInfo;
SMALL_RECT rect;
COORD coord;
HANDLE hstdout;
if (!AllocConsole()) {
msg_Err(vd, "cannot create console");
return VLC_EGENERIC;
}
hstdout =
CreateConsoleScreenBuffer(GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, CONSOLE_TEXTMODE_BUFFER, NULL);
if (!hstdout || hstdout == INVALID_HANDLE_VALUE) {
msg_Err(vd, "cannot create screen buffer");
FreeConsole();
return VLC_EGENERIC;
}
if (!SetConsoleActiveScreenBuffer(hstdout)) {
msg_Err(vd, "cannot set active screen buffer");
FreeConsole();
return VLC_EGENERIC;
}
coord = GetLargestConsoleWindowSize(hstdout);
msg_Dbg(vd, "SetConsoleWindowInfo: %ix%i", coord.X, coord.Y);
/* Force size for now */
coord.X = 100;
coord.Y = 40;
if (!SetConsoleScreenBufferSize(hstdout, coord))
msg_Warn(vd, "SetConsoleScreenBufferSize %i %i",
coord.X, coord.Y);
/* Get the current screen buffer size and window position. */
if (GetConsoleScreenBufferInfo(hstdout, &csbiInfo)) {
rect.Top = 0; rect.Left = 0;
rect.Right = csbiInfo.dwMaximumWindowSize.X - 1;
rect.Bottom = csbiInfo.dwMaximumWindowSize.Y - 1;
if (!SetConsoleWindowInfo(hstdout, TRUE, &rect))
msg_Dbg(vd, "SetConsoleWindowInfo failed: %ix%i",
rect.Right, rect.Bottom);
}
#endif
/* Allocate structure */
vd->sys = sys = calloc(1, sizeof(*sys));
if (!sys)
goto error;
sys->cv = cucul_create_canvas(0, 0);
if (!sys->cv) {
msg_Err(vd, "cannot initialize libcucul");
goto error;
}
sys->dp = caca_create_display(sys->cv);
if (!sys->dp) {
msg_Err(vd, "cannot initialize libcaca");
goto error;
}
if (vd->cfg->display.title)
caca_set_display_title(sys->dp,
vd->cfg->display.title);
else
caca_set_display_title(sys->dp,
VOUT_TITLE "(Colour AsCii Art)");
/* Fix format */
video_format_t fmt = vd->fmt;
if (fmt.i_chroma != VLC_CODEC_RGB32) {
fmt.i_chroma = VLC_CODEC_RGB32;
fmt.i_rmask = 0x00ff0000;
fmt.i_gmask = 0x0000ff00;
fmt.i_bmask = 0x000000ff;
}
/* */
sys->pool = picture_pool_NewFromFormat(&fmt, 1);
if (!sys->pool)
goto error;
/* TODO */
vout_display_info_t info = vd->info;
/* Setup vout_display now that everything is fine */
vd->fmt = fmt;
vd->info = info;
vd->get = Get;
vd->prepare = Prepare;
vd->display = Display;
vd->control = Control;
vd->manage = Manage;
/* Fix initial state */
vout_display_SendEventFullscreen(vd, false);
Refresh(vd);
return VLC_SUCCESS;
error:
if (sys) {
if (sys->pool)
picture_pool_Delete(sys->pool);
if (sys->dither)
cucul_free_dither(sys->dither);
if (sys->dp)
caca_free_display(sys->dp);
if (sys->cv)
cucul_free_canvas(sys->cv);
free(sys);
}
#if defined(WIN32) && !defined(UNDER_CE)
FreeConsole();
#endif
return VLC_EGENERIC;
}
int main(int argc, char *argv[])
{
caca_canvas_t *cv, *caca, *line;
caca_display_t *dp;
unsigned int i;
cv = caca_create_canvas(0, 0);
if(cv == NULL)
{
printf("Can't created canvas\n");
return -1;
}
dp = caca_create_display(cv);
if(dp == NULL)
{
printf("Can't create display\n");
return -1;
}
caca = caca_create_canvas(6, 10);
line = caca_create_canvas(2, 1);
/* Line of x's */
for(i = 0; i < 10; i++)
{
caca_set_color_ansi(caca, CACA_WHITE, CACA_BLUE);
caca_put_str(caca, 0, i, CACA);
caca_set_color_ansi(caca, CACA_WHITE, CACA_RED);
caca_put_char(caca, i - 2, i, 'x');
}
caca_blit(cv, 1, 1, caca, NULL);
/* Line of ホ's */
for(i = 0; i < 10; i++)
{
caca_set_color_ansi(caca, CACA_WHITE, CACA_BLUE);
caca_put_str(caca, 0, i, CACA);
caca_set_color_ansi(caca, CACA_WHITE, CACA_GREEN);
caca_put_str(caca, i - 2, i, "ホ");
}
caca_blit(cv, 15, 1, caca, NULL);
/* Line of canvas */
caca_set_color_ansi(line, CACA_WHITE, CACA_MAGENTA);
caca_put_str(line, 0, 0, "ほ");
for(i = 0; i < 10; i++)
{
caca_set_color_ansi(caca, CACA_WHITE, CACA_BLUE);
caca_put_str(caca, 0, i, CACA);
caca_blit(caca, i - 2, i, line, NULL);
}
caca_blit(cv, 29, 1, caca, NULL);
caca_refresh_display(dp);
caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, -1);
caca_free_display(dp);
caca_free_canvas(line);
caca_free_canvas(caca);
caca_free_canvas(cv);
return 0;
}
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;
}
/*****************************************************************************
* Create: allocates libcaca video output thread
*****************************************************************************
* This function initializes libcaca vout method.
*****************************************************************************/
static int Create( vlc_object_t *p_this )
{
vout_thread_t *p_vout = (vout_thread_t *)p_this;
#if defined( WIN32 ) && !defined( UNDER_CE )
CONSOLE_SCREEN_BUFFER_INFO csbiInfo;
SMALL_RECT rect;
COORD coord;
HANDLE hstdout;
if( !AllocConsole() )
{
msg_Err( p_vout, "cannot create console" );
return VLC_EGENERIC;
}
hstdout =
CreateConsoleScreenBuffer( GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, CONSOLE_TEXTMODE_BUFFER, NULL );
if( !hstdout || hstdout == INVALID_HANDLE_VALUE )
{
msg_Err( p_vout, "cannot create screen buffer" );
FreeConsole();
return VLC_EGENERIC;
}
if( !SetConsoleActiveScreenBuffer( hstdout) )
{
msg_Err( p_vout, "cannot set active screen buffer" );
FreeConsole();
return VLC_EGENERIC;
}
coord = GetLargestConsoleWindowSize( hstdout );
msg_Dbg( p_vout, "SetConsoleWindowInfo: %ix%i", coord.X, coord.Y );
/* Force size for now */
coord.X = 100;
coord.Y = 40;
if( !SetConsoleScreenBufferSize( hstdout, coord ) )
msg_Warn( p_vout, "SetConsoleScreenBufferSize %i %i",
coord.X, coord.Y );
/* Get the current screen buffer size and window position. */
if( GetConsoleScreenBufferInfo( hstdout, &csbiInfo ) )
{
rect.Top = 0; rect.Left = 0;
rect.Right = csbiInfo.dwMaximumWindowSize.X - 1;
rect.Bottom = csbiInfo.dwMaximumWindowSize.Y - 1;
if( !SetConsoleWindowInfo( hstdout, TRUE, &rect ) )
msg_Dbg( p_vout, "SetConsoleWindowInfo failed: %ix%i",
rect.Right, rect.Bottom );
}
#endif
/* Allocate structure */
p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
if( p_vout->p_sys == NULL )
{
msg_Err( p_vout, "out of memory" );
return VLC_ENOMEM;
}
p_vout->p_sys->p_cv = cucul_create_canvas(0, 0);
if( !p_vout->p_sys->p_cv )
{
msg_Err( p_vout, "cannot initialize libcucul" );
free( p_vout->p_sys );
return VLC_EGENERIC;
}
p_vout->p_sys->p_dp = caca_create_display( p_vout->p_sys->p_cv );
if( !p_vout->p_sys->p_dp )
{
msg_Err( p_vout, "cannot initialize libcaca" );
cucul_free_canvas( p_vout->p_sys->p_cv );
free( p_vout->p_sys );
return VLC_EGENERIC;
}
caca_set_display_title( p_vout->p_sys->p_dp,
VOUT_TITLE " - Colour AsCii Art (caca)" );
p_vout->pf_init = Init;
p_vout->pf_end = End;
p_vout->pf_manage = Manage;
p_vout->pf_render = Render;
p_vout->pf_display = Display;
return VLC_SUCCESS;
}
int main(int argc, char *argv[]) {
caca_canvas_t *cv;
caca_canvas_t *figcv;
caca_display_t *dp;
uint32_t w, h, fw, fh;
char *format = "%R:%S";
char *font = "/usr/share/figlet/mono12.tlf";
for(;;)
{
int option_index = 0;
static struct caca_option long_options[] =
{
{ "font", 1, NULL, 'f' },
{ "dateformat", 1, NULL, 'd' },
{ "help", 0, NULL, 'h' },
{ "version", 0, NULL, 'v' },
};
int c = caca_getopt(argc, argv, "f:d:hv",
long_options, &option_index);
if(c == -1)
break;
switch(c)
{
case 'h': /* --help */
usage(argc, argv);
return 0;
break;
case 'v': /* --version */
version();
return 0;
break;
case 'f': /* --font */
font = caca_optarg;
break;
case 'd': /* --dateformat */
format = caca_optarg;
break;
default:
return 1;
break;
}
}
cv = caca_create_canvas(0, 0);
figcv = caca_create_canvas(0, 0);
if(!cv || !figcv)
{
fprintf(stderr, "%s: unable to initialise libcaca\n", argv[0]);
return 1;
}
if(caca_canvas_set_figfont(figcv, font))
{
fprintf(stderr, "Could not open font\n");
return -1;
}
dp = caca_create_display(cv);
if(!dp) {
printf("Can't open window. CACA_DRIVER problem ?\n");
return -1;
}
caca_set_color_ansi(figcv, CACA_DEFAULT, CACA_DEFAULT);
caca_clear_canvas(cv);
for(;;) {
caca_event_t ev;
while(caca_get_event(dp, CACA_EVENT_KEY_PRESS
| CACA_EVENT_QUIT, &ev, 1))
{
if(caca_get_event_type(&ev))
goto end;
}
char *d = get_date(format);
uint32_t o = 0;
// figfont API is not complete, and does not allow us to put a string
// at another position than 0,0
// So, we have to create a canvas which will hold the figfont string,
// then blit this canvas to the main one at the desired position.
caca_clear_canvas(cv);
caca_clear_canvas(figcv);
while(d[o])
{
caca_put_figchar(figcv, d[o++]);
}
caca_flush_figlet (figcv);
free(d);
w = caca_get_canvas_width (cv);
h = caca_get_canvas_height(cv);
fw = caca_get_canvas_width (figcv);
fh = caca_get_canvas_height(figcv);
uint32_t x = (w/2) - (fw/2);
uint32_t y = (h/2) - (fh/2);
caca_blit(cv, x, y, figcv, NULL);
caca_refresh_display(dp);
usleep(250000);
}
end:
caca_free_canvas(figcv);
caca_free_canvas(cv);
caca_free_display(dp);
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;
}
