yii2-imagine 使用方法

  //压缩
        Image::thumbnail('@webroot/img/test-image.jpg', 120, 120)->save(Yii::getAlias('@webroot/img/thumb-test-image.jpg'), ['quality' => 100]);
        echo Yii::getAlias('@webroot/img/thumb-test-image.jpg');
        //剪切
        //$result =  Image::crop('@webroot/img/test-image.jpg', 200, 200,[100,100])->save('E:/phpWork/yii2.0/frontend/web/img/thumb-test-crop.jpg');
        $result =  Image::crop('@webroot/img/test-image.jpg', 200, 200,[100,100])->save(Yii::getAlias('@webroot/img/thumb-test-crop.jpg'));
        //旋转
        Image::frame('@webroot/img/test-image.jpg', 5, '666', 0)->rotate(-8)->save(Yii::getAlias('@webroot/img/thumb-test-frame.jpg'), ['quality' => 100]);
        //水印
        Image::watermark('@webroot/img/test-image.jpg', '@webroot/img/watermark.jpg', [10,10])->save(Yii::getAlias('@webroot/img/thumb-test-watermark.jpg'), ['quality' => 100]);
        //文字水印
        Image::text('@webroot/img/test-image.jpg', 'hello world', '@webroot/img/symbol.ttf',[100,100],['color'=>'000000','size'=>50])->save(Yii::getAlias('@webroot/img/thumb-test-text.jpg'), ['quality' => 100]);