The filter replaces the colors from a specified range with another color.
The range is specified as a deviation in hue, luminosity and saturation from a selected color measured as a percentage of full scale. The color to be substituted and the substitution color can be selected using the eyedropper tool or specified through the standard color selection dialog. The colors that do not enter the color range will not be affected by the filter.
|Drop color||This button opens the color pickier to choose the color to be substitute. Specify the range by selecting hue, luminosity and saturation in the right half of the configuration window. The area above the Drop color button displays the selected range of colors.|
Preview windows controls
|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.|