* Import toilet source code from libcaca's repository.
This commit is contained in:
parent
6076c47355
commit
622e8deeed
3 changed files with 289 additions and 18 deletions
12
configure.ac
12
configure.ac
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@ -25,11 +25,19 @@ if test "$build" != "$host" -a "${PKG_CONFIG_LIBDIR}" = ""; then
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export PKG_CONFIG_LIBDIR=/dev/null
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export PKG_CONFIG_LIBDIR=/dev/null
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fi
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fi
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AC_CHECK_HEADERS(getopt.h)
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AC_CHECK_FUNCS(getopt_long,
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[AC_DEFINE(HAVE_GETOPT_LONG, 1, Define to 1 if you have the `getopt_long' function.)],
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[AC_CHECK_LIB(gnugetopt, getopt_long,
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[AC_DEFINE(HAVE_GETOPT_LONG, 1, Define to 1 if you have the `getopt_long' function.)
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GETOPT_LIBS="${GETOPT_LIBS} -lgnugetopt"])])
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AC_SUBST(GETOPT_LIBS)
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CUCUL="no"
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CUCUL="no"
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PKG_CHECK_MODULES(cucul, cucul,
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PKG_CHECK_MODULES(cucul, cucul >= 0.99.beta5,
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[CUCUL="yes"],
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[CUCUL="yes"],
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[AC_MSG_RESULT(no)
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[AC_MSG_RESULT(no)
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AC_MSG_ERROR([you need libcucul version 0.99 or later])])
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AC_MSG_ERROR([you need libcucul version 0.99.beta5 or later])])
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# Optimizations
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# Optimizations
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CFLAGS="${CFLAGS} -g -O2 -fno-strength-reduce -fomit-frame-pointer"
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CFLAGS="${CFLAGS} -g -O2 -fno-strength-reduce -fomit-frame-pointer"
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@ -3,5 +3,5 @@ bin_PROGRAMS = toilet
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toilet_SOURCES = main.c
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toilet_SOURCES = main.c
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toilet_CFLAGS = `pkg-config --cflags cucul`
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toilet_CFLAGS = `pkg-config --cflags cucul`
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toilet_LDFLAGS = `pkg-config --libs cucul`
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toilet_LDFLAGS = `pkg-config --libs cucul` @GETOPT_LIBS@
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293
src/main.c
293
src/main.c
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@ -1,27 +1,290 @@
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/*
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/*
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* TOIlet The Other Implementation’s letters
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* Copyright (c) 2006 Sam Hocevar <sam@zoy.org>
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* All Rights Reserved
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*
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* $Id$
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* $Id$
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* This program is free software; you can redistribute it and/or
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* it under the terms of the GNU General Public License as published by
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* modify it under the terms of the Do What The Fuck You Want To
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* the Free Software Foundation; either version 2 of the License, or
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* Public License, Version 2, as published by Sam Hocevar. See
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* (at your option) any later version.
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* http://sam.zoy.org/wtfpl/COPYING for more details.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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*/
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#include "config.h"
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#include "config.h"
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#include <caca.h>
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#if defined(HAVE_INTTYPES_H)
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# include <inttypes.h>
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#endif
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#if defined(HAVE_GETOPT_H)
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# include <getopt.h>
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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int main (int argc, char **argv)
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#include "cucul.h"
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#include "caca.h"
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/* String to canvas transformations */
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static cucul_canvas_t *cuculize_big(uint32_t const *, unsigned int);
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static cucul_canvas_t *cuculize_tiny(uint32_t const *, unsigned int);
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/* Canvas special effects */
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static void filter_autocrop(cucul_canvas_t *);
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static void filter_gay(cucul_canvas_t *);
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int main(int argc, char *argv[])
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{
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{
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cucul_canvas_t *cv;
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cucul_buffer_t *buffer;
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uint32_t *string = NULL;
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unsigned int length;
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int i;
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char const *export = "utf8";
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unsigned flag_gay = 0;
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#if defined(HAVE_GETOPT_H)
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for(;;)
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{
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# ifdef HAVE_GETOPT_LONG
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# define MOREINFO "Try `%s --help' for more information.\n"
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int option_index = 0;
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static struct option long_options[] =
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{
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/* Long option, needs arg, flag, short option */
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{ "gay", 0, NULL, 'g' },
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{ "irc", 0, NULL, 'i' },
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{ "help", 0, NULL, 'h' },
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{ "version", 0, NULL, 'v' },
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{ NULL, 0, NULL, 0 }
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};
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int c = getopt_long(argc, argv, "gihv", long_options, &option_index);
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# else
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# define MOREINFO "Try `%s -h' for more information.\n"
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int c = getopt(argc, argv, "gihv");
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# endif
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if(c == -1)
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break;
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switch(c)
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{
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case 'h': /* --help */
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printf("Usage: %s [ -gihv ] [ message ]\n", argv[0]);
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# ifdef HAVE_GETOPT_LONG
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printf(" -g, --gay add a rainbow effect to the text\n");
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printf(" -i, --irc output IRC colour codes\n");
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printf(" -h, --help display this help and exit\n");
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printf(" -v, --version output version information and exit\n");
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# else
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printf(" -g add a rainbow effect to the text\n");
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printf(" -i output IRC colour codes\n");
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printf(" -h display this help and exit\n");
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printf(" -v output version information and exit\n");
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# endif
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return 0;
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case 'g': /* --gay */
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flag_gay = 1;
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break;
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case 'i': /* --irc */
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export = "irc";
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break;
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case 'v': /* --version */
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printf("TOIlet Copyright 2006 Sam Hocevar %s\n", VERSION);
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printf("Internet: <sam@zoy.org> Version: 0, date: 21 Sep 2006\n");
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printf("\n");
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return 0;
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case '?':
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printf(MOREINFO, argv[0]);
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return 1;
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default:
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printf("%s: invalid option -- %i\n", argv[0], c);
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printf(MOREINFO, argv[0]);
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return 1;
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}
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}
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#else
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# define MOREINFO "Usage: %s message...\n"
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int optind = 1;
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#endif
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if(optind >= argc)
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{
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printf("%s: too few arguments\n", argv[0]);
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printf(MOREINFO, argv[0]);
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return 1;
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}
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/* Load rest of commandline into a UTF-32 string */
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for(i = optind, length = 0; i < argc; i++)
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{
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unsigned int k, guessed_len, real_len;
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guessed_len = strlen(argv[i]);
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if(i > optind)
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string[length++] = (uint32_t)' ';
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string = realloc(string, (length + guessed_len + 1) * 4);
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for(k = 0, real_len = 0; k < guessed_len; real_len++)
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{
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unsigned int char_len;
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string[length + real_len] =
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cucul_utf8_to_utf32(argv[i] + k, &char_len);
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k += char_len;
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}
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length += real_len;
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}
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/* Do gay stuff with our string (léopard) */
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cv = cuculize_big(string, length);
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filter_autocrop(cv);
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if(flag_gay)
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filter_gay(cv);
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/* Output char */
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buffer = cucul_export_canvas(cv, export);
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fwrite(cucul_get_buffer_data(buffer),
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cucul_get_buffer_size(buffer), 1, stdout);
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cucul_free_buffer(buffer);
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cucul_free_canvas(cv);
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return 0;
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return 0;
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}
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}
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static cucul_canvas_t *cuculize_big(uint32_t const *string,
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unsigned int length)
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{
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cucul_canvas_t *cv;
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cucul_font_t *f;
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char const * const * fonts;
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unsigned char *buf;
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unsigned int w, h, x, y, miny, maxy;
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cv = cucul_create_canvas(length, 1);
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for(x = 0; x < length; x++)
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cucul_putchar(cv, x, 0, string[x]);
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fonts = cucul_get_font_list();
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f = cucul_load_font(fonts[0], 0);
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/* Create our bitmap buffer (32-bit ARGB) */
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w = cucul_get_canvas_width(cv) * cucul_get_font_width(f);
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h = cucul_get_canvas_height(cv) * cucul_get_font_height(f);
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buf = malloc(4 * w * h);
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/* Render the canvas onto our image buffer */
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cucul_render_canvas(cv, f, buf, w, h, 4 * w);
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/* Free our canvas, and allocate a bigger one */
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cucul_free_font(f);
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cucul_free_canvas(cv);
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cv = cucul_create_canvas(w, h);
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/* Render the image buffer on the canvas */
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cucul_set_color(cv, CUCUL_COLOR_WHITE, CUCUL_COLOR_TRANSPARENT);
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cucul_clear_canvas(cv);
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miny = h; maxy = 0;
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for(y = 0; y < h; y++)
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for(x = 0; x < w; x++)
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{
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unsigned char c = buf[4 * (x + y * w) + 2];
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if(c >= 0xa0)
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cucul_putstr(cv, x, y, "█");
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else if(c >= 0x80)
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cucul_putstr(cv, x, y, "▓");
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else if(c >= 0x40)
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cucul_putstr(cv, x, y, "▒");
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else if(c >= 0x20)
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cucul_putstr(cv, x, y, "░");
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}
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free(buf);
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return cv;
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}
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static cucul_canvas_t *cuculize_tiny(uint32_t const *string,
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unsigned int length)
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{
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unsigned int x;
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cucul_canvas_t *cv = cucul_create_canvas(length, 1);
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for(x = 0; x < length; x++)
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cucul_putchar(cv, x, 0, string[x]);
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return cv;
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}
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static void filter_autocrop(cucul_canvas_t *cv)
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{
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unsigned int x, y, w, h;
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unsigned int xmin, xmax, ymin, ymax;
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xmin = w = cucul_get_canvas_width(cv);
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xmax = 0;
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ymin = h = cucul_get_canvas_height(cv);
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ymax = 0;
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for(y = 0; y < h; y++)
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for(x = 0; x < w; x++)
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{
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unsigned long int ch = cucul_getchar(cv, x, y);
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if(ch != (unsigned char)' ')
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{
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if(x < xmin)
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xmin = x;
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if(x > xmax)
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xmax = x;
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if(y < ymin)
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ymin = y;
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if(y > ymax)
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ymax = y;
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}
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}
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cucul_set_canvas_boundaries(cv, xmin, ymin,
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xmax - xmin + 1, ymax - ymin + 1);
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}
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static void filter_gay(cucul_canvas_t *cv)
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{
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static unsigned char const rainbow[] =
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{
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CUCUL_COLOR_LIGHTMAGENTA,
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CUCUL_COLOR_LIGHTRED,
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CUCUL_COLOR_YELLOW,
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CUCUL_COLOR_LIGHTGREEN,
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CUCUL_COLOR_LIGHTCYAN,
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CUCUL_COLOR_LIGHTBLUE,
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};
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unsigned int x, y, w, h;
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w = cucul_get_canvas_width(cv);
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h = cucul_get_canvas_height(cv);
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for(y = 0; y < h; y++)
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for(x = 0; x < w; x++)
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{
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unsigned long int ch = cucul_getchar(cv, x, y);
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if(ch != (unsigned char)' ')
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{
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cucul_set_color(cv, rainbow[(x / 2 + y) % 6],
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CUCUL_COLOR_TRANSPARENT);
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cucul_putchar(cv, x, y, ch);
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}
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}
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}
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Loading…
Reference in a new issue