FreeImage.NET Class Library Reference
![]() | FreeImageRotate Method (FIBITMAP, Double) |
This function rotates a 1-, 8-bit greyscale or a 24-, 32-bit color image by means of 3 shears.
1-bit images rotation is limited to integer multiple of 90°.
null is returned for other values.
Namespace: FreeImageAPI
Assembly: FreeImageNET (in FreeImageNET.dll) Version: 3.17.0.4 (3.17.0)

C#
public static FIBITMAP Rotate( FIBITMAP dib, double angle )
Parameters
- dib
- Type: FreeImageAPIFIBITMAP
Handle to a FreeImage bitmap. - angle
- Type: SystemDouble
The angle of rotation.
Return Value
Type: FIBITMAPHandle to a FreeImage bitmap.
