This function places one image only outside of the mask of a second image, therefore only the second image's mask is considered in the composite; the color comes from the foreground image. This is a great tool to mask out effects.
| Name | Description |
|---|---|
| name | Object name [string] |
| input_a | "A" input bitmap [bitmap] |
| input_b | "B" Input bitmap [bitmap] |
| output | Output bitmap [bitmap] |