//
public void Rebuild(Imaging.IImageFilterFunc filterFunc, bool normalization = true)
{
double r = filterFunc.GetRadius();
//---------------
_radius = r;
_diameter = AggMath.uceil(r) * 2;
_start = -((_diameter / 2) - 1);
int size = _diameter << ImgSubPixConst.SHIFT;
if (size > _weight_array.Length)
{
_weight_array = new int[size];
}
else if (size < _weight_array.Length)
{
_weight_array = new int[size];
}
//---------------
int i;
int pivot = Diameter << (ImgSubPixConst.SHIFT - 1);
for (i = 0; i < pivot; i++)
{
double x = (double)i / (double)ImgSubPixConst.SCALE;
double y = filterFunc.CalculateWeight(x);
_weight_array[pivot + i] =
_weight_array[pivot - i] = AggMath.iround(y * ImgFilterConst.SCALE);
}
int end = (Diameter << ImgSubPixConst.SHIFT) - 1;
_weight_array[0] = _weight_array[end];
if (normalization)
{
Normalize();
}
}
public ImageFilterLookUpTable(Imaging.IImageFilterFunc filterFunc, bool normalization = true)
{
_weight_array = new int[256];
Rebuild(filterFunc, normalization);
}
