/**
* [thumb_url description]
* @param [type] $image [description]
* @param [type] $width [description]
* @param [type] $height [description]
* @param array $options [description]
* @return [type] [description]
*/
function thumb_url($image, $width = null, $height = null, $options = array())
{
if ($width && is_array($height)) {
$options = $height;
$height = $width;
} else {
$height = $height ?: $width;
}
$options = array_merge(array("rebuild" => false, "cachefolder" => "storage:thumbs", "quality" => 100, "base64" => false, "mode" => "crop", "domain" => false), $options);
extract($options);
$path = copi::$app->path($image);
$ext = pathinfo($path, PATHINFO_EXTENSION);
$url = "data:image/gif;base64,R0lGODlhAQABAJEAAAAAAP///////wAAACH5BAEHAAIALAAAAAABAAEAAAICVAEAOw==";
// transparent 1px gif
if (!file_exists($path) || is_dir($path)) {
return $url;
}
if (!in_array(strtolower($ext), array('png', 'jpg', 'jpeg', 'gif'))) {
return $url;
}
if (!is_numeric($height)) {
$height = $width;
}
if (is_null($width) && is_null($height)) {
return copi::$app->pathToUrl($path);
}
if (!in_array($mode, ['crop', 'best_fit', 'resize'])) {
$mode = 'crop';
}
$method = $mode == 'crop' ? 'thumbnail' : $mode;
if ($base64) {
try {
$data = copi::helper("image")->take($path)->{$method}($width, $height)->base64data(null, $quality);
} catch (Exception $e) {
return $url;
}
$url = $data;
} else {
$filetime = filemtime($path);
$savepath = copi::$app->path($cachefolder) . "/" . md5($path) . "_{$width}x{$height}_{$quality}_{$filetime}_{$mode}.{$ext}";
if ($rebuild || !file_exists($savepath)) {
try {
copi::helper("image")->take($path)->{$method}($width, $height)->save($savepath, $quality);
} catch (Exception $e) {
return $url;
}
}
$url = copi::$app->pathToUrl($savepath);
if ($domain) {
$url = rtrim(copi::$app->getSiteUrl(true), '/') . $url;
}
}
return $url;
}
