Accusoft.ImagXpress12.Net
GetAlphaChannelAsBitmap Method
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Accusoft.ImagXpressSdk Namespace > Processor Class : GetAlphaChannelAsBitmap Method

Returns a bitmap object of type System.Drawing.Imaging.PixelFormat.Format8bppIndexed which is an 8 bit gray scale image depicting the alpha channel data layer.

Syntax

Visual Basic

Managed Extensions for C++

C++/CLI

'Declaration
 
Public Function GetAlphaChannelAsBitmap() As Bitmap

'Usage
 
Dim instance As Processor
Dim value As Bitmap
 
value = instance.GetAlphaChannelAsBitmap()

public Bitmap GetAlphaChannelAsBitmap()

public: Bitmap* GetAlphaChannelAsBitmap();

public:
Bitmap^ GetAlphaChannelAsBitmap();

Return Value

A System.Drawing.Bitmap value which represents the returned bitmap.

Remarks

The original image must be a 32 bit image where 8 bits are the alpha layer and 24 bits are rgb color layer.

Returning the handle implicitly reduces the image down to 24 bit. The alpha object may be modified and restored via the AlphaAdd method.

Syntax

Return Value

Remarks

See Also

Reference