User Guide

Corel Painter 273
Negative
The Negative effect inverts all the
colors in your image or in the selected
layer.
Positive and negative versions of an image.
To invert colors:
1 Select a layer or area of the canvas.
If you want to invert the entire
image, select nothing.
2 Choose Effects menu > Tonal
Control > Negative.
Posterize
Posterizing reduces the number of
color levels an image contains.
To posterize an image:
1 Select a layer or area of the canvas.
If you want to apply the effect to
the entire image, make sure there
are no selections.
2 Select Effects menu > Tonal
Control > Posterize.
3 In the Posterize dialog box, specify
a number of levels.
The fewer levels, the more
dramatic the effect.
4 When you are satisfied with the
settings, click OK to apply the
effect.
Tips
•
To posterize an image combined with
a paper grain, refer to “Apply Screen” on
page 286.
•
To posterize to two levels and also
adjust the brightness, refer to “Equalize”
on page 272.
Video Legal Colors
The Video Legal Colors effect makes
the colors in an image compatible
with video. Colors that aren’t possible
in video are converted to video legal
colors.
Only bright yellows and cyans are not
video legal. Corel Painter supports
both the National Television
Standards Committee (NTSC) for the
U.S. and Phase Alternation by Line
(PAL) for European video systems.
To apply video legal colors:
1 Select a layer or area of the canvas.
If you want to apply the effect to
the entire image, select nothing.
2 Choose Effects menu > Tonal
Control > Video Legal Colors.
3 In the Video Legal Colors dialog
box, choose NTSC or PAL from
the System pop-up menu.
Posterize Using Color Set
Corel Painter can posterize your
image based on a color set. This
allows you to create an image with