<?php
/*
* export libcaca export test program
* Copyright (c) 2008 Benjamin C. Wiley Sittler <bsittler@gmail.com>
*
* This file is a Php port of "examples/export.c"
* which is:
* Copyright (c) 2006 Sam Hocevar <sam@zoy.org>
* All Rights Reserved
*
* $Id$
*
* 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://sam.zoy.org/wtfpl/COPYING for more details.
*/
define('WIDTH', 80);
define('HEIGHT', 32);
$pixels = imagecreatetruecolor(256, 256);
imagealphablending($pixels, false);
imagesavealpha($pixels, true);
$exports = caca_get_export_list();
$file = isset($_FILES['file']) ? $_FILES['file']['tmp_name'] : NULL;
$filename = isset($_FILES['file']) ? $_FILES['file']['name'] : NULL;
$format = isset($_REQUEST['format']) ? $_REQUEST['format'] : NULL;
if((! $format) || (! array_key_exists($format, $exports)))
{
header("Content-type: text/html; charset=UTF-8");
?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>libcaca export test program</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<script type="text/javascript">
/*<![CDATA[*/
update_preview = function (select)
{
var iframe_map = {
'html': true,
'html3': true,
'bbfr': true
};
if (self.opera
||
(('' + navigator.userAgent).match(/.*(WebKit|Gecko).*/)))
{
iframe_map['svg'] = true;
}
var e;
try
{
var format = select.options[select.selectedIndex].value;
var newLocation = 'about:blank';
if (iframe_map[format])
{
newLocation = self.location.pathname + '?format=' + encodeURIComponent(format);
}
self.frames[0].location.replace(newLocation, true);
}
catch (e)
{
alert('e' + e);
}
return true;
};
/*]]>*/
</script>
</head>
<body onload="update_preview(document.forms.exportform.elements.format);">
<form id="exportform" name="exportform" action="#" enctype="multipart/form-data" method="post">
<label for="file">File:</label>
<input id="file" name="file" type="file" /> <em>(optional)</em>
<br />
<input type="submit" value="Export" />
<label for="format">as</label>
<select name="format" id="format" onchange="update_preview(this);">
<?php
foreach($exports as $format => $name)
{
?><option value="<?= htmlspecialchars($format) ?>"<?=
($format == 'html') ? ' selected="selected"' : '' ?>><?=
htmlspecialchars($name . " (" . $format . ")") ?></option><?php
}
?>
</select>
</form>
<?php
$export_php = isset($_SERVER['SCRIPT_NAME'])
?
$_SERVER['SCRIPT_NAME']
:
'export.php';
?><iframe frameborder="0" name="preview" id="preview" width="820" height="620" style="margin: 0; padding: 0; border: none; width: 100%"></iframe>
</body>
</html>
<?php
exit(0);
}
if($file)
{
$cv = caca_create_canvas(0, 0);
if(caca_import_file($cv, $file, "") < 0)
{
die("`" . htmlspecialchars($filename) . "' has unknown format\n");
}
}
else
{
$cv = caca_create_canvas(WIDTH, HEIGHT);
for($y = 0; $y < 256; $y++)
{
for($x = 0; $x < 256; $x++)
{
$r = $x;
$g = (255 - $y + $x) / 2;
$b = $y * (255 - $x) / 256;
imagesetpixel($pixels, $x, $y, imagecolorallocatealpha($pixels, $r, $g, $b, 127));
}
}
$dither = caca_create_dither($pixels);
if(($format == "ansi") || ($format == "utf8"))
caca_set_dither_charset($dither, "shades");
caca_dither_bitmap($cv, 0, 0, caca_get_canvas_width($cv),
caca_get_canvas_height($cv), $dither, $pixels);
caca_set_color_ansi($cv, CACA_WHITE, CACA_BLACK);
caca_draw_thin_box($cv, 0, 0, WIDTH - 1, HEIGHT - 1);
caca_set_color_ansi($cv, CACA_BLACK, CACA_WHITE);
caca_fill_ellipse($cv, WIDTH / 2, HEIGHT / 2,
WIDTH / 4, HEIGHT / 4, ord(' '));
caca_set_color_ansi($cv, CACA_LIGHTGRAY, CACA_BLACK);
caca_put_str($cv, WIDTH / 2 - 12, HEIGHT / 2 - 6,
" lightgray on black ");
caca_set_color_ansi($cv, CACA_DEFAULT, CACA_TRANSPARENT);
caca_put_str($cv, WIDTH / 2 - 12, HEIGHT / 2 - 5,
" default on transparent ");
caca_set_color_ansi($cv, CACA_BLACK, CACA_WHITE);
caca_put_str($cv, WIDTH / 2 - 12, HEIGHT / 2 - 4,
" black on white ");
caca_set_color_ansi($cv, CACA_BLACK, CACA_WHITE);
caca_put_str($cv, WIDTH / 2 - 8, HEIGHT / 2 - 3, "[<><><><> <>--<>]");
caca_put_str($cv, WIDTH / 2 - 8, HEIGHT / 2 - 2, "[ドラゴン ボーレ]");
caca_put_str($cv, WIDTH / 2 - 7, HEIGHT / 2 + 2, "äβç ░▒▓█▓▒░ ΔЗҒ");
caca_put_str($cv, WIDTH / 2 - 5, HEIGHT / 2 + 4, "(\") \\o/ <&>");
caca_set_attr($cv, CACA_BOLD);
caca_put_str($cv, WIDTH / 2 - 16, HEIGHT / 2 + 3, "Bold");
caca_set_attr($cv, CACA_BLINK);
caca_put_str($cv, WIDTH / 2 - 9, HEIGHT / 2 + 3, "Blink");
caca_set_attr($cv, CACA_ITALICS);
caca_put_str($cv, WIDTH / 2 - 1, HEIGHT / 2 + 3, "Italics");
caca_set_attr($cv, CACA_UNDERLINE);
caca_put_str($cv, WIDTH / 2 + 8, HEIGHT / 2 + 3, "Underline");
caca_set_attr($cv, 0);
caca_set_color_ansi($cv, CACA_WHITE, CACA_LIGHTBLUE);
caca_put_str($cv, WIDTH / 2 - 7, HEIGHT / 2, " LIBCACA ");
for($x = 0; $x < 16; $x++)
{
caca_set_color_argb($cv, 0xff00 | $x, 0xf00f | ($x << 4));
caca_put_char($cv, WIDTH / 2 - 7 + $x, HEIGHT / 2 + 6, ord('#'));
}
}
$content_type_map = array(
'ansi' => 'text/plain; charset=CP437',
'utf8' => 'text/plain; charset=UTF-8',
'utf8cr' => 'text/plain; charset=UTF-8',
'html' => 'text/html; charset=UTF-8',
'html3' => 'text/html; charset=UTF-8',
'bbfr' => 'text/plain; charset=UTF-8',
'irc' => 'text/plain; charset=UTF-8',
'ps' => 'application/postscript',
'svg' => 'image/svg+xml',
'tga' => 'image/x-targa'
);
$download_extension_map = array(
'caca' => 'caca',
'ansi' => 'txt',
'utf8' => 'txt',
'utf8cr' => 'txt',
'irc' => 'txt',
'tga' => 'tga'
);
$inline_extension_map = array(
'bbfr' => 'txt',
'ps' => 'ps',
'svg' => 'svg'
);
if (! array_key_exists($format, $content_type_map))
$content_type = 'application/octet-stream';
else
$content_type = $content_type_map[$format];
header('Content-Type: ' . $content_type);
if (array_key_exists($format, $download_extension_map))
header('Content-Disposition: attachment; filename=export.' . $download_extension_map[$format]);
else if (array_key_exists($format, $inline_extension_map))
header('Content-Disposition: inline; filename=export.' . $inline_extension_map[$format]);
echo caca_export_string($cv, $format);
?>