186 Corel PaintShop Pro X7 User Guide
Adjusting brightness, contrast, and clarity
Corel PaintShop Pro lets you adjust the brightness, contrast, and clarity
in your photos. Contrast is the difference between the photo’s lightest
and darkest pixels. Clarity lets you adjust the level of detail in the image
by analyzing contrast within localized areas.
By applying the commands to a selection or an entire image, you can
do the following:
• manually adjust the brightness and contrast
• give your photo a crisp, focused look to make the subject more
prominent
• adjust the individual brightness values in your image
• adjust the highlights, midtones, and shadows to provide smooth
tonal transitions
• correct the exposure
• distribute the lightness values of pixels more evenly across the
lightness spectrum from black to white
• increase the overall contrast when the histogram does not cover
the entire lightness spectrum
• make adjustments to the brightness, contrast, and gamma in the
image
• create a purely black-and-white image
Histograms
A histogram lets you display the tonal range of an image and
redistribute the balance of highlights, midtones, and shadows. In other
words, the histogram can reveal whether your photo is underexposed,
overexposed, or exposed properly.
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