Dilation filter

The filter allows enlarging black objects in the image.

You can select the omnidirectional, horizontal, vertical or diagonal way of dilation.

Preview windows controls

Option Description
Auto preview If this check box is selected, preview image will be recalculated every time you make a change in the dialog settings. If this box is unchecked, all changes you made will be calculated after you click the Preview button.
Quick view If you are performing filter configuration on a large image file it is advised to check this box to speed up image processing calculation. The program will choose the optimal processing algorithm.