| Microsoft DirectX 9.0 |
The Compositor transition composites a subrectangle from the foreground into a designated rectangle on the background, without altering the rest of the background. Use this transition to create split-screen or picture-in-picture effects.
The following image shows the compositor transition:

Class ID (CLSID): {BB44391D-6ABD-422f-9E2E-385C9DFF51FC}
CLSID Variable Name: CLSID_DxtCompositor
Friendly Name: "DxtCompositor"
Properties
| Property | Type | Default | Description |
| Height | long | 0 | Height of the target rectangle, in pixels. |
| OffsetX | long | 0 | Horizontal offset of the target rectangle, in pixels. |
| OffsetY | long | 0 | Vertical offset of the target rectangle, in pixels. |
| SrcHeight | long | 0 | The height of the subrectangle on the source, in pixels. |
| SrcOffsetX | long | 0 | The x-coordinate of the subrectangle on the source, in pixels. |
| SrcOffsetY | long | 0 | The y-coordinate of the subrectangle on the source, in pixels. |
| SrcWidth | long | 0 | The width of the subrectangle on the source, in pixels. |
| Width | long | 0 | Width of the target rectangle, in pixels. |
The following diagram illustrates these properties:
