FreeImage.GetTransparentIndex Method

FreeImage.NET

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FreeImageGetTransparentIndex Method
Returns the palette entry used as transparent color for the image specified. Works for palletised images only and returns -1 for high color images or if the image has no color set to be transparent.

Namespace: FreeImageAPI
Assembly: FreeImageNET (in FreeImageNET.dll) Version: 3.17.0.4 (3.17.0)
Syntax
C#
Copy
public static int GetTransparentIndex(
	FIBITMAP dib
)

Parameters

dib
Type: FreeImageAPIFIBITMAP
Handle to a FreeImage bitmap.

Return Value

Type: Int32
the index of the palette entry used as transparent color for the image specified or -1 if there is no transparent color found (e.g. the image is a high color image).
See Also
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