Changeset 1087 for toiletTweet

Timestamp:

Sep 23, 2006, 1:36:35 AM (15 years ago)

Author:

Sam Hocevar

Message:

• Import toilet source code from libcaca's repository.

Location:

toilet/trunk

Files:

• . (modified) (1 prop)
• configure.ac (modified) (1 diff)
• src/Makefile.am (modified) (1 diff)
• src/main.c (modified) (1 diff)

toilet/trunk

@@ -2 +2 @@
 Makefile.in
 aclocal.m4
+autom4te.cache
 autotools
 config.h

@@ -2 +2 @@
 Makefile.in
 aclocal.m4
+autom4te.cache
 autotools
 config.h

toilet/trunk/configure.ac

@@ -26 +26 @@
 fi
 
+AC_CHECK_HEADERS(getopt.h)
+AC_CHECK_FUNCS(getopt_long,
+ [AC_DEFINE(HAVE_GETOPT_LONG, 1, Define to 1 if you have the `getopt_long' function.)],
+ [AC_CHECK_LIB(gnugetopt, getopt_long,
+   [AC_DEFINE(HAVE_GETOPT_LONG, 1, Define to 1 if you have the `getopt_long' function.)
+    GETOPT_LIBS="${GETOPT_LIBS} -lgnugetopt"])])
+AC_SUBST(GETOPT_LIBS)
+
 CUCUL="no"
-PKG_CHECK_MODULES(cucul, cucul,
+PKG_CHECK_MODULES(cucul, cucul >= 0.99.beta5,
  [CUCUL="yes"],
  [AC_MSG_RESULT(no)
-  AC_MSG_ERROR([you need libcucul version 0.99 or later])])
+  AC_MSG_ERROR([you need libcucul version 0.99.beta5 or later])])
 
 # Optimizations

toilet/trunk/src/Makefile.am

@@ -4 +4 @@
 toilet_SOURCES = main.c
 toilet_CFLAGS = `pkg-config --cflags cucul`
-toilet_LDFLAGS = `pkg-config --libs cucul`
+toilet_LDFLAGS = `pkg-config --libs cucul` @GETOPT_LIBS@
 

toilet/trunk/src/main.c

@@ -1 +1 @@
 /*
- *   $Id$
+ *  TOIlet        The Other Implementation’s letters
+ *  Copyright (c) 2006 Sam Hocevar <sam@zoy.org>
+ *                All Rights Reserved
  *
- *   This program is free software; you can redistribute it and/or modify
- *   it under the terms of the GNU General Public License as published by
- *   the Free Software Foundation; either version 2 of the License, or
- *   (at your option) any later version.
+ *  $Id$
  *
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU General Public License for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program; if not, write to the Free Software
- *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *  This program is free software; 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://sam.zoy.org/wtfpl/COPYING for more details.
  */
 
 #include "config.h"
 
-#include <caca.h>
-
-int main (int argc, char **argv)
-{
+#if defined(HAVE_INTTYPES_H)
+#   include <inttypes.h>
+#endif
+#if defined(HAVE_GETOPT_H)
+#   include <getopt.h>
+#endif
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "cucul.h"
+#include "caca.h"
+
+/* String to canvas transformations */
+static cucul_canvas_t *cuculize_big(uint32_t const *, unsigned int);
+static cucul_canvas_t *cuculize_tiny(uint32_t const *, unsigned int);
+
+/* Canvas special effects */
+static void filter_autocrop(cucul_canvas_t *);
+static void filter_gay(cucul_canvas_t *);
+
+int main(int argc, char *argv[])
+{
+    cucul_canvas_t *cv;
+    cucul_buffer_t *buffer;
+
+    uint32_t *string = NULL;
+    unsigned int length;
+
+    int i;
+
+    char const *export = "utf8";
+    unsigned flag_gay = 0;
+
+#if defined(HAVE_GETOPT_H)
+    for(;;)
+    {
+#   ifdef HAVE_GETOPT_LONG
+#       define MOREINFO "Try `%s --help' for more information.\n"
+        int option_index = 0;
+        static struct option long_options[] =
+        {
+            /* Long option, needs arg, flag, short option */
+            { "gay", 0, NULL, 'g' },
+            { "irc", 0, NULL, 'i' },
+            { "help", 0, NULL, 'h' },
+            { "version", 0, NULL, 'v' },
+            { NULL, 0, NULL, 0 }
+        };
+
+        int c = getopt_long(argc, argv, "gihv", long_options, &option_index);
+#   else
+#       define MOREINFO "Try `%s -h' for more information.\n"
+        int c = getopt(argc, argv, "gihv");
+#   endif
+        if(c == -1)
+            break;
+
+        switch(c)
+        {
+        case 'h': /* --help */
+            printf("Usage: %s [ -gihv ] [ message ]\n", argv[0]);
+#   ifdef HAVE_GETOPT_LONG
+            printf("  -g, --gay        add a rainbow effect to the text\n");
+            printf("  -i, --irc        output IRC colour codes\n");
+            printf("  -h, --help       display this help and exit\n");
+            printf("  -v, --version    output version information and exit\n");
+#   else
+            printf("  -g    add a rainbow effect to the text\n");
+            printf("  -i    output IRC colour codes\n");
+            printf("  -h    display this help and exit\n");
+            printf("  -v    output version information and exit\n");
+#   endif
+            return 0;
+        case 'g': /* --gay */
+            flag_gay = 1;
+            break;
+        case 'i': /* --irc */
+            export = "irc";
+            break;
+        case 'v': /* --version */
+            printf("TOIlet Copyright 2006 Sam Hocevar %s\n", VERSION);
+            printf("Internet: <sam@zoy.org> Version: 0, date: 21 Sep 2006\n");
+            printf("\n");
+            return 0;
+        case '?':
+            printf(MOREINFO, argv[0]);
+            return 1;
+        default:
+            printf("%s: invalid option -- %i\n", argv[0], c);
+            printf(MOREINFO, argv[0]);
+            return 1;
+        }
+    }
+#else
+#   define MOREINFO "Usage: %s message...\n"
+    int optind = 1;
+#endif
+
+    if(optind >= argc)
+    {
+        printf("%s: too few arguments\n", argv[0]);
+        printf(MOREINFO, argv[0]);
+        return 1;
+    }
+
+    /* Load rest of commandline into a UTF-32 string */
+    for(i = optind, length = 0; i < argc; i++)
+    {
+        unsigned int k, guessed_len, real_len;
+
+        guessed_len = strlen(argv[i]);
+
+        if(i > optind)
+            string[length++] = (uint32_t)' ';
+
+        string = realloc(string, (length + guessed_len + 1) * 4);
+
+        for(k = 0, real_len = 0; k < guessed_len; real_len++)
+        {
+            unsigned int char_len;
+
+            string[length + real_len] =
+                cucul_utf8_to_utf32(argv[i] + k, &char_len);
+
+            k += char_len;
+        }
+
+        length += real_len;
+    }
+
+    /* Do gay stuff with our string (léopard) */
+    cv = cuculize_big(string, length);
+    filter_autocrop(cv);
+    if(flag_gay)
+        filter_gay(cv);
+
+    /* Output char */
+    buffer = cucul_export_canvas(cv, export);
+    fwrite(cucul_get_buffer_data(buffer),
+           cucul_get_buffer_size(buffer), 1, stdout);
+    cucul_free_buffer(buffer);
+
+    cucul_free_canvas(cv);
+
     return 0;
 }
 
+static cucul_canvas_t *cuculize_big(uint32_t const *string,
+                                    unsigned int length)
+{
+    cucul_canvas_t *cv;
+    cucul_font_t *f;
+    char const * const * fonts;
+    unsigned char *buf;
+    unsigned int w, h, x, y, miny, maxy;
+
+    cv = cucul_create_canvas(length, 1);
+    for(x = 0; x < length; x++)
+        cucul_putchar(cv, x, 0, string[x]);
+
+    fonts = cucul_get_font_list();
+    f = cucul_load_font(fonts[0], 0);
+
+    /* Create our bitmap buffer (32-bit ARGB) */
+    w = cucul_get_canvas_width(cv) * cucul_get_font_width(f);
+    h = cucul_get_canvas_height(cv) * cucul_get_font_height(f);
+    buf = malloc(4 * w * h);
+
+    /* Render the canvas onto our image buffer */
+    cucul_render_canvas(cv, f, buf, w, h, 4 * w);
+
+    /* Free our canvas, and allocate a bigger one */
+    cucul_free_font(f);
+    cucul_free_canvas(cv);
+    cv = cucul_create_canvas(w, h);
+
+    /* Render the image buffer on the canvas */
+    cucul_set_color(cv, CUCUL_COLOR_WHITE, CUCUL_COLOR_TRANSPARENT);
+    cucul_clear_canvas(cv);
+
+    miny = h; maxy = 0;
+
+    for(y = 0; y < h; y++)
+       for(x = 0; x < w; x++)
+    {
+        unsigned char c = buf[4 * (x + y * w) + 2];
+
+        if(c >= 0xa0)
+            cucul_putstr(cv, x, y, "█");
+        else if(c >= 0x80)
+            cucul_putstr(cv, x, y, "▓");
+        else if(c >= 0x40)
+            cucul_putstr(cv, x, y, "▒");
+        else if(c >= 0x20)
+            cucul_putstr(cv, x, y, "░");
+    }
+
+    free(buf);
+
+    return cv;
+}
+
+static cucul_canvas_t *cuculize_tiny(uint32_t const *string,
+                                     unsigned int length)
+{
+    unsigned int x;
+    cucul_canvas_t *cv = cucul_create_canvas(length, 1);
+
+    for(x = 0; x < length; x++)
+        cucul_putchar(cv, x, 0, string[x]);
+
+    return cv;
+}
+
+static void filter_autocrop(cucul_canvas_t *cv)
+{
+    unsigned int x, y, w, h;
+    unsigned int xmin, xmax, ymin, ymax;
+
+    xmin = w = cucul_get_canvas_width(cv);
+    xmax = 0;
+    ymin = h = cucul_get_canvas_height(cv);
+    ymax = 0;
+
+    for(y = 0; y < h; y++)
+        for(x = 0; x < w; x++)
+    {
+        unsigned long int ch = cucul_getchar(cv, x, y);
+        if(ch != (unsigned char)' ')
+        {
+            if(x < xmin)
+                xmin = x;
+            if(x > xmax)
+                xmax = x;
+            if(y < ymin)
+                ymin = y;
+            if(y > ymax)
+                ymax = y;
+        }
+    }
+
+    cucul_set_canvas_boundaries(cv, xmin, ymin,
+                                xmax - xmin + 1, ymax - ymin + 1);
+}
+
+static void filter_gay(cucul_canvas_t *cv)
+{
+    static unsigned char const rainbow[] =
+    {
+        CUCUL_COLOR_LIGHTMAGENTA,
+        CUCUL_COLOR_LIGHTRED,
+        CUCUL_COLOR_YELLOW,
+        CUCUL_COLOR_LIGHTGREEN,
+        CUCUL_COLOR_LIGHTCYAN,
+        CUCUL_COLOR_LIGHTBLUE,
+    };
+    unsigned int x, y, w, h;
+
+    w = cucul_get_canvas_width(cv);
+    h = cucul_get_canvas_height(cv);
+
+    for(y = 0; y < h; y++)
+        for(x = 0; x < w; x++)
+    {
+        unsigned long int ch = cucul_getchar(cv, x, y);
+        if(ch != (unsigned char)' ')
+        {
+            cucul_set_color(cv, rainbow[(x / 2 + y) % 6],
+                                CUCUL_COLOR_TRANSPARENT);
+            cucul_putchar(cv, x, y, ch);
+        }
+    }
+}
+

@@ -2 +2 @@
 Makefile.in
 aclocal.m4
+autom4te.cache
 autotools
 config.h