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Fitting methods dictate how the image will be resized to the target dimensions.
The table below describes each method.
|1||Stretch||The original image is scaled vertically and horizontally to match exactly the target dimensions. Original aspect ratio is not maintained, so the image will get distorted.|
|2||Width||The width of the image is scaled to match exactly the target width. The height is then scaled accordingly to maintain the original aspect ratio.|
|3||Height||The height of the image is scaled to match exactly the target height. The width is then scaled accordingly to maintain the original aspect ratio.|
|4||Inside||Scale the image proportionally until it fits inside of the target dimensions box. Also known as "long side fit".|
|5||Outside||Scale the image proportionally until the target dimensions box fits inside of the image. Also known as "short side fit".|
|6||Inside and Pad||Same as Inside fitting method, but the unoccupied space in the target dimensions box is kept as padding.|
|7||Outside and Crop||Same as Outside fitting method, but the parts of image which do not overlap with target dimensions box are cropped.|
A demonstration below attempts to visually describe the operation (logic) of each fitting methods.
- Image A has aspect ratio greater than that of the target dimensions box.
- Image B has aspect ratio lesser than that of the target dimensions box.
- Target dimensions box is represented by a square for simplicity, while height and width can actually differ in practice.