
8-2 Using Other Features in PhotoPC 500
❙
If you want to cancel any enhancement or special
effect, you can choose
Undo
from the Edit menu at any
time, even after you click
OK
.
NOTE
To use the enhancements or special effects, your images must be in
either the grayscale or 24-bit color data type. See page 7-10 for
information on converting images to these types.
Adjusting Brightness and Contrast
You can adjust the brightness and contrast of an entire
image or a selected part of an image. Follow these steps:
1
Select the area you want to change, or make sure no
area is selected if you want to change the entire image.
2
Click the
Brightness
button or choose
Brightness
and Contrast
from the Enhance menu.
3
Select the color channel you want to adjust. To adjust
the brightness and contrast of all the colors, select RGB.
The Brightness and Contrast dialog box appears:
4
Slide the Brightness control right to lighten the image,
or left to darken it.
5
Slide the Contrast control right to increase contrast, or
left to decrease it.
6
Click
OK
when you are finished.
pc-8.fm5 Page 2 Friday, November 1, 1996 11:21 AM