hackthelobby/libcaca/examples/text.c

92 lines
2.4 KiB
C

/*
* text canvas text import/export
* 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>
# include <string.h>
# include <stdlib.h>
#endif
#include "caca.h"
#define STRING \
" |_| \n" \
" _,----._ | | \n" \
" (/ @ @ \\) __ \n" \
" | OO | |_ \n" \
" \\ `--' / |__ \n" \
" `----' \n" \
" |_| \n" \
" Hello world! | \n" \
" \n"
int main(int argc, char *argv[])
{
caca_canvas_t *cv, *pig;
void *buffer;
size_t len;
int i, j;
pig = caca_create_canvas(0, 0);
caca_import_canvas_from_memory(pig, STRING, strlen(STRING), "text");
cv = caca_create_canvas(caca_get_canvas_width(pig) * 2,
caca_get_canvas_height(pig) * 2);
if(cv == NULL || pig == NULL)
{
printf("Can't created canvas\n");
return -1;
}
caca_blit(cv, 0, 0, pig, NULL);
caca_flip(pig);
caca_blit(cv, caca_get_canvas_width(pig), 0, pig, NULL);
caca_flip(pig);
caca_flop(pig);
caca_blit(cv, 0, caca_get_canvas_height(pig), pig, NULL);
caca_flop(pig);
caca_rotate_180(pig);
caca_blit(cv, caca_get_canvas_width(pig),
caca_get_canvas_height(pig), pig, NULL);
for(j = 0; j < caca_get_canvas_height(cv); j++)
{
for(i = 0; i < caca_get_canvas_width(cv); i += 2)
{
unsigned long int a;
caca_set_color_ansi(cv, CACA_LIGHTBLUE + (i + j) % 6,
CACA_DEFAULT);
a = caca_get_attr(cv, -1, -1);
caca_put_attr(cv, i, j, a);
caca_put_attr(cv, i + 1, j, a);
}
}
buffer = caca_export_canvas_to_memory(cv, "utf8", &len);
fwrite(buffer, len, 1, stdout);
free(buffer);
caca_rotate_left(cv);
buffer = caca_export_canvas_to_memory(cv, "utf8", &len);
fwrite(buffer, len, 1, stdout);
free(buffer);
caca_free_canvas(pig);
caca_free_canvas(cv);
return 0;
}