This topic documents a feature of Visual Filters and Transitions, which is deprecated as of Windows Internet Explorer 9 and obsolete as of Internet Explorer 10.
Retrieves the bias value used for the convolution.
HRESULT GetBias( float *pBias );
- [out] Pointer to a float with a value from -1.0 to 1.0, used for the filter bias.
Returns an HRESULT value that depends on the implementation of the interface.
The bias value is a percentage of a byte value added to each color component of the filtered result. Larger bias values lead to brighter filtered images.