GFL Filters
From XnView Wiki
gflAverage
gflSoften
gflBlur
gflGaussianBlur
gflMaximum
gflMinimum
gflMedianBox
gflMedianCross
gflSharpen
gflEnhanceDetail
gflEnhanceFocus
gflFocusRestoration
gflEdgeDetectLight
gflEdgeDetectMedium
gflEdgeDetectHeavy
gflEmboss
gflEmbossMore
gflConvolve
The gflConvolve function applies a convolution matrix on a picture.
GFL_ERROR gflConvolve(
GFL_BITMAP * src, GFL_BITMAP ** dst, const GFL_FILTER * filter
);
Parameters
src Pointer to a GFL_BITMAP structure. dst Address of a pointer to a GFL_BITMAP structure. NULL if on the same instance. filter Pointer to a GFL_FILTER structure.
Return value
The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.