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)

Syntax

C#
public static FIBITMAP RotateClassic(
	FIBITMAP dib,
	double angle
)
Visual Basic (Declaration)
Public Shared Function RotateClassic ( _
	dib As FIBITMAP, _
	angle As Double _
) As FIBITMAP
Visual C++
public:
static FIBITMAP RotateClassic(
	FIBITMAP dib, 
	double angle
)

Parameters

dib
Type: FreeImageAPI..::.FIBITMAP
Handle to a FreeImage bitmap.
angle
Type: System..::.Double
The angle of rotation.

Return Value

Handle to a FreeImage bitmap.

Version Information

FreeImage.NET

Supported in: 3.11.0, 3.12.0
Obsolete (compiler warning) in 3.13.0
Obsolete (compiler warning) in 3.13.1

See Also