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error_reporting(7);

define('ROOT', getcwd());

define('BASEDIR', parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH));

if ($_POST['text']) {

$ret = array ();

$text = $_POST['text'];

try {

$ret['imgurl'] = text2img($text, (array)$_REQUEST['config']);

} catch (Exception $e) {

$ret['imgurl'] = print_r($e, true);

}

echo str_replace('\\/', '/', json_encode($ret));

exit (0);

}

function text2img($text, $options = array ()) {

$text .= "\n-------------------------------\n";

$text .= "http://iscup.com";

$rows = substr_count($text, "\n") + 1;

$font_path = $options['fontfile'] ? $options['fontfile'] : ROOT . '/SIMSUN.TTC';

if (!file_exists($font_path))

throw new Exception(" 找不到字体文件：$font_path ");

$font_size = $options['fontsize'] ? $options['fontsize'] : 12;

$padding = $options['padding'] ? $options['padding'] : 30;

$row_plus_height = $options['row_plus_height'] ? $options['row_plus_height'] : 4;

$border = 1;

$im_width = 430;

$im_height = ($row_plus_height + ($font_size * 4) / 3) * $rows + ($padding + $border) * 2;

$im = @ imagecreatetruecolor($im_width, $im_height);

if (!$im)

throw new Exception("初始化图片失败，请检查 GD 配置");

imagefilledrectangle($im, $border, $border, ($im_width -2 * $border), ($im_height -2 * $border), imagecolorallocate($im, 255, 255, 255));

imagettftext($im, $font_size, 0, ($border + $padding), (($font_size * 4) / 3 + $border + $padding), imagecolorallocate($im, 0, 0, 0), $font_path, $text);

$base_path = '/files';

$base_filename = date("Y-m-d,H-i-s") . '.png';

$short_filename = $base_path . '/' . $base_filename;

$short_url = rtrim(BASEDIR, '/') . $short_filename;

@ mkdir(ROOT . $base_path, 0777, true);

$filename = ROOT . $short_filename;

if (!imagepng($im, $filename)) {

throw new Exception("创建图片时出错。");

}

@ imagedestroy($im);

return $short_url;

}

?>