Adjusts the contrast of a 8-, 24- or 32-bit image by a certain amount.

Namespace:  FreeImageAPI
Assembly:  FreeImageNET (in FreeImageNET.dll)

Syntax

C#
public bool AdjustContrast(
	double percentage
)
Visual Basic (Declaration)
Public Function AdjustContrast ( _
	percentage As Double _
) As Boolean
Visual C++
public:
bool AdjustContrast(
	double percentage
)

Parameters

percentage
Type: System..::.Double
A value 0 means no change, less than 0 will decrease the contrast and greater than 0 will increase the contrast of the image.

Return Value

Returns true on success, false on failure.

Version Information

FreeImage.NET

Supported in: 3.11.0, 3.12.0, 3.13.0, 3.13.1

See Also