FreeImage.Rotate4bit Method

FreeImage.NET

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FreeImageRotate4bit Method
Rotates a 4-bit color FreeImage bitmap. Allowed values for angle are 90, 180 and 270. In case angle is 0 or 360 a clone is returned. 0 is returned for other values or in case the rotation fails.

Namespace: FreeImageAPI
Assembly: FreeImageNET (in FreeImageNET.dll) Version: 3.17.0.4 (3.17.0)
Syntax
C#
Copy
public static FIBITMAP Rotate4bit(
	FIBITMAP dib,
	double angle
)

Parameters

dib
Type: FreeImageAPIFIBITMAP
Handle to a FreeImage bitmap.
angle
Type: SystemDouble
The angle of rotation.

Return Value

Type: FIBITMAP
Handle to a FreeImage bitmap.
Exceptions
ExceptionCondition
ArgumentNullExceptiondib is null.
Remarks
This function is kind of temporary due to FreeImage's lack of rotating 4-bit images. It's particularly used by FreeImageBitmap's method RotateFlip. This function will be removed as soon as FreeImage supports rotating 4-bit images.
See Also
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