Microweber\Utils\Thumbnailer::createThumb PHP Method

    public function createThumb(array $specifications, $outputPath)
    {
        if (!strlen($this->image)) {
            return;
        }
        $sizes = $this->sizes;
        $originalImage = $this->loadImage($this->image, $sizes['mime']);
        $newWidth = 0;
        $newHeight = 0;
        if (isset($specifications['width']) && !isset($specifications['height']) && !isset($specifications['maxLength'])) {
            $newWidth = $specifications['width'];
            $newHeight = $sizes[1] * ($newWidth / $sizes[0]);
        } elseif (isset($specifications['height']) && !isset($specifications['width'])) {
            $newHeight = $specifications['height'];
            $newWidth = $sizes[0] * ($newHeight / $sizes[1]);
        } elseif (isset($specifications['height']) && isset($specifications['width'])) {
            $newWidth = $specifications['width'];
            $newHeight = $specifications['height'];
            // $newHeight = (int)(100 * $newWidth / $newHeight);
        } elseif (isset($specifications['maxLength'])) {
            if ($sizes[0] >= $sizes[1]) {
                $newWidth = $specifications['width'];
                $newHeight = $sizes[1] * ($newWidth / $sizes[0]);
            } else {
                $newHeight = $specifications['maxLength'];
                $newWidth = $sizes[0] * ($newHeight / $sizes[1]);
            }
        } else {
            $newWidth = $sizes[0];
            $newHeight = $sizes[1];
        }
        $crop_x = 0;
        if (isset($specifications['crop_x'])) {
            $crop_x = $specifications['crop_x'];
        }
        $crop_y = 0;
        if (isset($specifications['crop_y'])) {
            $crop_y = $specifications['crop_y'];
        }
        $im = @imagecreatetruecolor($newWidth, $newHeight);
        imagealphablending($im, false);
        imagesavealpha($im, true);
        imagecopyresampled($im, $originalImage, 0, 0, $crop_x, $crop_y, $newWidth, $newHeight, $sizes[0], $sizes[1]);
        $type = !isset($specifications['mime']) ? $sizes['mime'] : $specifications['mime'];
        if ($type == 'image/gif') {
            $type = 'image/png';
            //to preserve transpacency
            //  $outputPath = str_replace('.gif', '.png', $outputPath);
        }
        $this->saveImage($im, $outputPath, $type);
        // Free up memory
        imagedestroy($im);
        imagedestroy($originalImage);
    }