Corel PaintShop Pro X7, DE User's Guide Page 198

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194 Corel PaintShop Pro X7 User Guide
7 Adjust the Midtones slider.
Note: If the graph has peaks on the left and right sides and
contains low points in the center, the midtones need to be
compressed. Shadows and highlights must be expanded to reveal
the information they contain. Photography subjects that are too
close to the camera appear brightly illuminated against a dark
background. To compress the midtones, drag the Midtones slider
up.
If the graph peaks in the center and has a low number of pixels at
the left and right sides, expand the midtones by dragging the
Midtones slider down.
8 Click OK.
You can create artistic effects by using the Output Max and
Output Min controls on the left side of the histogram. The Max
slider is the white circle within a gray square; the Min slider is
the black circle within a gray square. To darken the image’s
lightest pixels, drag the Max slider down. To lighten the image’s
darkest pixels, drag the Min slider up. Even though you are
dragging sliders along the vertical axis, the Max and Min values
(from 0 to 255) affect the horizontal axis. All pixels outside the
range are converted so that they fall within the range. You can
choose another color component from the Edit drop-list and
make similar adjustments.
To distribute lightness across a photo
Edit workspace
Choose Adjust Brightness and Contrast Histogram Equalize.
To increase contrast by stretching the histogram
Edit workspace
Choose Adjust Brightness and Contrast Histogram Stretch.
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