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libcaca
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working HTML version of export.php accepting an optional file upload and exporting it using the selected format

tags/v0.99.beta17
Ben Wiley Sittler bsittler 17 years ago
parent
242103d6d5
commit
f1eedaf0b1
1 changed files with 128 additions and 96 deletions
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  1. +128
    -96
      caca-php/examples/www/export.php

+ 128
- 96
caca-php/examples/www/export.php View File

@@ -1,4 +1,3 @@
#!/usr/bin/php5
<?php
/*
* export libcaca export test program
@@ -18,10 +17,6 @@
* http://sam.zoy.org/wtfpl/COPYING for more details.
*/

if (php_sapi_name() != "cli") {
die("You have to run this program with php-cli!\n");
}

define('WIDTH', 80);
define('HEIGHT', 32);

@@ -29,108 +24,145 @@ $pixels = imagecreatetruecolor(256, 256);

$exports = caca_get_export_list();

if($argc < 2 || $argc > 3)
{
$msg = ($argv[0] . ": wrong argument count\n" .
"usage: " . $argv[0] . " [file] <format>\n" .
"where <format> is one of:\n");
foreach($exports as $format => $name)
$msg .= " \"" . $name . "\" (" . $format . ")\n";
die($msg);
}

if($argc == 2)
{
$file = NULL;
$format = $argv[1];
}
else
{
$file = $argv[1];
$format = $argv[2];
}
$file = isset($_FILES['file']) ? $_FILES['file']['tmp_name'] : NULL;
$format = isset($_REQUEST['format']) ? $_REQUEST['format'] : NULL;

if(! array_key_exists($format, $exports))
if((! $format) || (! array_key_exists($format, $exports)))
{
$msg = ($argv[0] . ": unknown $format `" . $format . "'\n" .
"please use one of:\n");
foreach($exports as $format => $name)
$msg .= " \"" . $name . "\" (" . $format . ")\n";
die($msg);
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" />
</head>
<body>

<form action="#" enctype="multipart/form-data" method="post">
<label for="file">File:</label>
<input name="file" type="file" /> <em>(optional)</em>
<br />
<input type="submit" value="Export" />
<label for="format">as</label>
<select name="format" id="format">
<?php
foreach($exports as $format => $name)
{
?><option value="<?= htmlspecialchars($format) ?>"<?=
($format == 'html') ? ' selected="selected"' : '' ?>><?=
htmlspecialchars($name . " (" . $format . ")") ?></option><?php
}
?>
</select>
</form>
</body>
</html>
<?php
exit(0);
}

if($file)
{
$cv = caca_create_canvas(0, 0);
if(caca_import_file($cv, $file, "") < 0)
{
die($argv[0] . ": `" . $file . "' has unknown $format\n");
}
$cv = caca_create_canvas(0, 0);
if(caca_import_file($cv, $file, "") < 0)
{
die($argv[0] . ": `" . $file . "' 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, $y, imagecolorallocate($pixels, $r, $g, $b));
}
}

$dither = caca_create_dither($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($cv, CACA_BOLD, CACA_DEFAULT);
caca_put_str($cv, WIDTH / 2 - 16, HEIGHT / 2 + 3, "Bold");
caca_set_attr($cv, CACA_BLINK, CACA_DEFAULT);
caca_put_str($cv, WIDTH / 2 - 9, HEIGHT / 2 + 3, "Blink");
caca_set_attr($cv, CACA_ITALICS, CACA_DEFAULT);
caca_put_str($cv, WIDTH / 2 - 1, HEIGHT / 2 + 3, "Italics");
caca_set_attr($cv, CACA_UNDERLINE, CACA_DEFAULT);
caca_put_str($cv, WIDTH / 2 + 8, HEIGHT / 2 + 3, "Underline");
caca_set_attr($cv, 0, CACA_DEFAULT);
caca_set_color_ansi($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('#'));
}
$cv = caca_create_canvas(WIDTH, HEIGHT);
for($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, $y, imagecolorallocate($pixels, $r, $g, $b));
}
}
$dither = caca_create_dither($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($cv, CACA_BOLD, CACA_DEFAULT);
caca_put_str($cv, WIDTH / 2 - 16, HEIGHT / 2 + 3, "Bold");
caca_set_attr($cv, CACA_BLINK, CACA_DEFAULT);
caca_put_str($cv, WIDTH / 2 - 9, HEIGHT / 2 + 3, "Blink");
caca_set_attr($cv, CACA_ITALICS, CACA_DEFAULT);
caca_put_str($cv, WIDTH / 2 - 1, HEIGHT / 2 + 3, "Italics");
caca_set_attr($cv, CACA_UNDERLINE, CACA_DEFAULT);
caca_put_str($cv, WIDTH / 2 + 8, HEIGHT / 2 + 3, "Underline");
caca_set_attr($cv, 0, CACA_DEFAULT);
caca_set_color_ansi($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'
);

$extension_map = array(
'ansi' => 'txt',
'tga' => 'tga'
);

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, $extension_map))
header('Content-Disposition: attachment; filename=export.' . $extension_map[$format]);

echo caca_export_string($cv, $format);

?>

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