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Aspect Ratio
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Source
The source aspect ratio is maintained
Container
The aspect ratio matches the container. When scale is to 1, the layer will be stretched to fit size of the container
Custom
Allows an arbitrary aspect ratio to be set.
Resize Mode
Auto
When set to Auto, the resize mode will be determined automatically based on the aspect ratio of both the source and the container.
Scale to fit Width
When scale is 1, the layer will be maximised to the width of the container.
Scale to fit Height
When scale is 1, the layer will be maximised to the height of the container.
Position Mode
Lock to Container
Prevents the layer being positioned outside of its container
Lock to Region
Prevents the layer being positioned outside of selected region.
Free
The layer can be freely positioned anywhere within the Workspace