GFL Filters

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.