Alpha Setter Effect

Sets the alpha bits on a video image.

Class ID (CLSID): 506D89AE-909A-44f7-9444-ABD575896E35

CLSID Variable Name: CLSID_DxtAlphaSetter

Properties

Property Type Default Description

Alpha BYTE -1 Sets the alpha for the entire image.

AlphaRamp double -1.0 Sets the alpha as a percentage of the original alpha value.

Property	Type	Default	Description
Alpha	BYTE	-1	Sets the alpha for the entire image.
AlphaRamp	double	-1.0	Sets the alpha as a percentage of the original alpha value.

Remarks

A property with a negative value is ignored. Only one property can have a non-negative value. The Alpha property specifies a constant alpha value for every pixel in the image. This property overwrites the alpha values from the original image. The AlphaRamp property specifies each pixel's alpha value as a percentage of the pixel's original value, from 0.0 to 1.0.