snippet.txt

'width': 460, 'height': 460, 'method': 'scaleAndCrop', 'allowUpscale': false}) }}"/>
'width': 460, 'height': 460, 'method': 'scaleAndCrop', 'allowUpscale': false}) }}"/>
'width':620, 'height':380, 'method': 'crop'}) }}" alt="" />
'width': 140, 'height': 120, 'method': 'scaleAndCrop', 'allowUpscale': true}) }}" alt="{{ article.promo_title|raw }}" />
'width':220, 'height':180, 'method': 'scaleAndCrop', 'allowUpscale': true}) }}" alt="" />
'width': 122, 'height': 72, 'method': 'scaleAndCrop'}) }}"/>
'width': 134, 'height': 134, 'method': 'scaleAndCrop', 'allowUpscale': true}) }}"/> 
'width':424, 'height':200, 'method': 'scaleAndCrop'}) }}" alt="" />
'width':50, 'height':50, 'method': 'scaleAndCrop', 'allowUpscale': true}) }}" alt="" /></span>
'width': 134, 'height': 134, 'method': 'scaleAndCrop', 'allowUpscale': true}) }}"/> 
'width': 130, 'height': 130, 'method': 'crop', 'allowUpscale': true}) }}"/> 
'width':220, 'height':220, 'method': 'scaleAndCrop', 'allowUpscale': true})}}" alt="" />
'width': 140, 'height': 120, 'method': 'scaleAndCrop', 'allowUpscale': false}) }}" alt="" />
'width':70, 'height':80, 'method': 'scaleAndCrop'}) }}" alt="" /></span>
'width':193, 'height':193, 'method': 'scaleAndCrop', 'allowUpscale': false})) }}" alt="" />
'width': 200, 'height': 200, 'method': 'scaleAndCrop', 'allowUpscale': true}) }}" alt="" /> 
'width': 140, 'height': 120, 'method': 'scaleAndCrop', 'allowUpscale': false}) }}" alt="{{ article._title|raw }}" />
'width': 134, 'height': 134, 'method': 'crop', 'allowUpscale': true}) }}"/> 
'width': 260, 'height': 146, 'method': 'scaleAndCrop', 'allowUpscale': false}) }}"/></a>
'width': 120, 'height': 70, 'method': 'scaleAndCrop', 'allowUpscale': false}) }}"/></a>
'width': 120, 'height': 70, 'method': 'scaleAndCrop', 'allowUpscale': false}) }}"/></a>
'width': 120, 'height': 70, 'method': 'scaleAndCrop', 'allowUpscale': false}) }}"/></a>
'width': 140, 'height': 120, 'method': 'scaleAndCrop', 'allowUpscale': false}) }}" />

image_sizes: ['460_460_sc', '620_380_c', '140_120_scu']

kinds are c, cu, s, su, sc, scu

    if ($this->method == "crop") {
      $method = "c";
    }
    else if ($this->method == "scale") {
      $method = "s";
    }
    else if ($this->method == "scaleAndCrop") {
      $method = "sc";
    }
    else {
      $method = "";
    }
    return $this->width . "_" . $this->height . $method . ($this->upscale ? "u" : "");