hackthelobby/libcaca/examples/frames.c

88 lines
2.4 KiB
C

/*
* frames canvas frame switching features
* Copyright (c) 2006-2012 Sam Hocevar <sam@hocevar.net>
* All Rights Reserved
*
* This program is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What the Fuck You Want
* to Public License, Version 2, as published by Sam Hocevar. See
* http://www.wtfpl.net/ for more details.
*/
#include "config.h"
#if !defined(__KERNEL__)
# include <stdio.h>
#endif
#include "caca.h"
int main(int argc, char *argv[])
{
caca_canvas_t *cv;
caca_display_t *dp;
int n, frame;
/* Create a canvas with 200 frames */
cv = caca_create_canvas(0, 0);
if(cv == NULL)
{
printf("Can't create canvas\n");
return -1;
}
for(frame = 1; frame < 200; frame++)
caca_create_frame(cv, frame);
fprintf(stderr, "canvas created, size is %ix%i\n",
caca_get_canvas_width(cv), caca_get_canvas_height(cv));
/* Resize it to 150 x 80 (around 19MB) */
caca_set_canvas_size(cv, 150, 80);
fprintf(stderr, "canvas expanded, size is %ix%i\n",
caca_get_canvas_width(cv), caca_get_canvas_height(cv));
/* Fill the first 16 frames with a different colour */
for(frame = 0; frame < 16; frame++)
{
caca_set_frame(cv, frame);
caca_set_color_ansi(cv, CACA_WHITE, frame);
caca_fill_box(cv, 0, 0, 40, 15, ':');
caca_set_color_ansi(cv, CACA_WHITE, CACA_BLUE);
caca_put_str(cv, frame * 5 / 2, frame, "カカ");
caca_set_color_ansi(cv, CACA_DEFAULT, CACA_TRANSPARENT);
}
/* Resize it to a more decent size */
caca_set_canvas_size(cv, 41, 16);
fprintf(stderr, "canvas shrinked, size is %ix%i\n",
caca_get_canvas_width(cv), caca_get_canvas_height(cv));
dp = caca_create_display(cv);
caca_set_display_time(dp, 50000);
fprintf(stderr, "display attached, size is %ix%i\n",
caca_get_canvas_width(cv), caca_get_canvas_height(cv));
n = 0;
while(!caca_get_event(dp, CACA_EVENT_KEY_PRESS, NULL, 0))
{
caca_set_frame(cv, n % 16);
caca_refresh_display(dp);
n++;
}
caca_free_display(dp);
/* It is possible, though not necessary, to free all additional frames
* separately. */
caca_free_canvas(cv);
return 0;
}