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;
}
?>
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