IBasicBitmapOps::AdjustGamma
A version of this page is also available for
4/8/2010
This method adjusts the gamma of a bitmap image.
Syntax
HRESULT AdjustGamma(
FLOAT gamma
);
Parameters
gamma
[in] A FLOAT value used to adjust the gamma of a bitmap image.The gamma adjustment is described by the following equation.
New Intensity = Old Intensity ^ gamma
A value for gamma that is greater than 1 makes the image darker. A value for gamma that is less than 1 makes the image brighter.
Return Value
This method returns S_OK if successful.
Requirements
Header | imaging.h |
Library | Imaging.lib |
Windows Embedded CE | Windows CE 5.0 and later |
Windows Mobile | Windows Mobile Version 5.0 and later |