Gamma Correction

Before proceeding with this topic you need know how to work with selections.

This feature works only with RGB/Alpha Channel image formats.

Gamma Correction of a portion of image

1. Select a region with the selection tool. If no selection is active, the adjustments will apply to the whole image.

2. Choose Draw/Adjustments-Effects/Gamma Correction.

3. The dialog box Gamma Correction opens.

4. To get a better idea of the adjustments you're doing, we recommend you to activate the Preview option. It permits you to see the changes in background (editor and preview windows).

5. Adjust the Gamma Correction slider to get the desired result.

6. When done, click OK.