FreeImage.NET Class Library Reference
 | FreeImageIsGreyscaleImage Method |
Returns whether the image is a greyscale image or not.
The function scans all colors in the bitmaps palette for entries where
red, green and blue are not all the same (not a grey color).
Supports 1-, 4- and 8-bit bitmaps.
Namespace: FreeImageAPI
Assembly: FreeImageNET (in FreeImageNET.dll) Version: 3.17.0.4 (3.17.0)
SyntaxC#
public static bool IsGreyscaleImage( FIBITMAP dib )
Parameters
- dib
- Type: FreeImageAPIFIBITMAP
Handle to a FreeImage bitmap.
Return Value
Type: BooleanTrue if the image is a greyscale image, else false.
Exceptions| Exception | Condition |
|---|---|
| ArgumentNullException | dib is null. |
See Also