Corel Painter X3 Win/Mac, EDU, EN User's Guide download pdf (Page 288)

Correcting and adjusting colors 265

and then adjusting those values. The Equalize effect also allows gamma adjustment,

which lightens or darkens an image without changing highlights or shadows.

Before (left) and after (right) applying the Equalize effect.

To automatically set black and white points

1 Choose Effects  Tonal Control  Correct Colors.

2 In the Color Correction dialog box, choose Curve from the list box.

3 Click Auto Set.

To manually set black or white points

1 Choose the Dropper tool from the toolbox.

2 In the document window, click the color you want to assign as the darkest or

lightest point.

3 Choose Effects  Tonal Control  Correct Colors.

4 In the Color Correction dialog box, choose Curve from the list box.

5 Click one of the following:

• Black Point — assigns all colors equal to or darker than the current main color

• White Point — assigns all colors equal to or lighter than the current main color

To equalize colors

1 To apply the effect to:

• The canvas — Click the Canvas in the Layers panel.

Corel Painter X3 Win/Mac, EDU, EN User's Guide Page 288