resizeobject. If you set either height or width to null it will keep the aspect ratio based on the width or height that is set. So, for the example above the
widthis set to
1000pixels and since the
heightis set to
nullit will resize the image width to 1000 pixels and resize the height based on the current aspect ratio.
qualitykey. Typically between 70 and 100% there is little notice of image quality, but the image size may be dramatically lower.
upsizeto true. It will upsize all images to your specified resize values.
namewill be attached to your thumbnail image (as an example say the image you uploaded was ABC.jpg a thumbnail with the
mediumwould now be created at ABC-medium.jpg). The
scaleis the percentage amount you want that thumbnail to scale. This value will be a percentage of the resize width and height if specified.