Scale the canvas area with the width as reference, the height as reference, or something in between.
| MatchWidthOrHeight | Scale the canvas area with the width as reference, the height as reference, or something in between. |
| Expand | Expand the canvas area either horizontally or vertically, so the size of the canvas will never be smaller than the reference. |
| Shrink | Crop the canvas area either horizontally or vertically, so the size of the canvas will never be larger than the reference. |