MaskGraphic.SetMaskAlpha Method

MaskGraphic SetMaskAlpha Method

Cognex VisionPro 9.22

Set just the Alpha component of the color associated with the specified mask value. The Blue, Green, and Red components of that color entry are unchanged.

Namespace: Cognex.Vision
Assembly: Cognex.Vision.Core.Net (in Cognex.Vision.Core.Net.dll) Version: 9.22.2.0

Syntax

C++

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public void SetMaskAlpha(
	byte maskVal,
	byte alphaVal
)

public void SetMaskAlpha(
	byte maskVal,
	byte alphaVal
)

Public Sub SetMaskAlpha ( 
	maskVal As Byte,
	alphaVal As Byte
)

Public Sub SetMaskAlpha ( 
	maskVal As Byte,
	alphaVal As Byte
)

public:
void SetMaskAlpha(
	unsigned char maskVal, 
	unsigned char alphaVal
)

public:
void SetMaskAlpha(
	unsigned char maskVal, 
	unsigned char alphaVal
)

Parameters

maskVal: Type: System Byte
The mask pixel value.

alphaVal: Type: System Byte
The desired Alpha value. Zero means fully transparent, while 255 means fully opaque.

Remarks

Changed Raised when the color map changes.