The source is copied to the destination, excluding the transparent pixels.
No regions are enabled.
Only the source will be present.
Only the destination will be present.
Destination which overlaps the source replaces the source. Source is placed elsewhere.
Destination which overlaps the source, replaces the source.
Destination is placed, where it falls outside of the source.
Destination is placed over the source.
Display the sum of the source image and destination image.
Source which overlaps the destination, replaces the destination. Destination is placed elsewhere.
The source that overlaps the destination, replaces the destination.
Source is placed, where it falls outside of the destination.
Source is placed over the destination.
The non-overlapping regions of source and destination are combined.
Specifies the Porter Duff compositing method in which two pixels (source and destination) may contribute to the final color of the pixel.