webman使用 intervention/image 生成带水印/二维码的图片

composer require intervention/image

use Intervention\Image\ImageManager;

class Image
{
    private $image;
    
    public function __construct() 
    {
        $this->image = new ImageManager(array(
            'driver'    => 'imagick'
        ));
    }
/*
     *      分享图片添加二维码
     * 
     * 基底图片
     * 尺寸：750 * 1200
     * 空白二维码位置 top：100, left：50
     * 空白二维码尺寸 200 * 200
     * 
     */
    public function create($qrcode) 
    {      
        $base_image = public_path() . "/images/share_bg.png";
        
        $file_path = runtime_path() . "/temp/share/";
        
        if (!is_dir($file_path)) {
            mkdir($file_path, 0755, true);
        }
        
        $share_image = md5($qrcode) . mt_rand(0, 9999) . ".png";
        
        $this->image
                ->make($base_image)
                ->resize(750, 1200)
                ->insert($qrcode, 'top-left', 50, 100)
                ->save($file_path . $share_image);
                    
        return $file_path . $share_image;
    }    
}