protected function generate($size)
{
$size = $original_size = (string) $size;
if (empty($size)) {
return false;
}
$size_num = (int) $size;
if (!is_numeric($size_num) || $size_num <= 0 || $size_num > Resizer::MAX_DIMENSION) {
return false;
}
$better_size = $this->moreRelevantSize($size);
if (false !== $better_size) {
return $this->path($better_size);
}
switch (true) {
case $size[strlen($size) - 1] == 's':
$width = $height = $size_num;
$mode = Resizer::SCALE_CROP;
$size = $size_num . 's';
break;
case $size[strlen($size) - 1] == 'w':
$width = $size_num;
$height = null;
$mode = Resizer::SCALE_LANDSCAPE;
$size = $size_num . 'w';
break;
case $size[strlen($size) - 1] == 'h':
$width = null;
$height = $size_num;
$mode = Resizer::SCALE_PORTRAIT;
$size = $size_num . 'h';
break;
default:
$width = $height = $size_num;
$mode = Resizer::SCALE_AUTO;
$size = $size_num . '';
break;
}
if ($size !== $original_size) {
return false;
}
$fullsize_stream = Storage::get($this->pathFromSize());
if (!$fullsize_stream) {
return false;
}
$temp_file = tempnam(sys_get_temp_dir(), 'laravel-image');
File::put($temp_file, $fullsize_stream);
if (!File::exists($temp_file)) {
return false;
}
try {
$resizer = new Resizer($temp_file);
$resizer->resize($width, $height, $mode);
if (!$resizer->save($temp_file, null, Config::get('laravel-image::image_resize_quality', 100))) {
throw Exception('Error resizing file.');
}
$stream = File::get($temp_file);
if (!$stream) {
throw Exception('Error retrieving file.');
}
} catch (Exception $e) {
File::delete($temp_file);
return false;
}
$new_path = $this->pathFromSize($size);
Storage::put($new_path, $stream);
File::delete($temp_file);
$sizes = $this->sizes;
$sizes[$size] = Storage::url($new_path);
$this->sizes = $sizes;
$this->save();
return $new_path;
}
