Specifies a single chroma key definition.
Fields:
| Name | Type | Description |
|---|---|---|
| nAlpha | integer | The transparency for color |
| nCancelAlpha | integer | Cancel alpha values |
| nCancelChroma | integer | Cancel chroma values |
| nCancelLuma | integer | Cancel luma values |
| nCancelPower | integer | Power of anti-spill correction |
| nCancelRange | integer | The range for anti-spill correction |
| nDelta | integer | The tolerance value (for each component) |
| nReverseKey | integer | Reverse key flag 0/1 (for exclude points) |
| nSmoothRange | integer | The additional value for delta (scalar value) |
| nValue | integer | The center value - RGB(R,G,B) or RGB(H,L,S) |