Operation Manual

Table Of Contents
532 | Corel DESIGNER X7 User Guide
To Do the following
View the image in one window with a divider between the original
and corrected versions
Click the Before and after split preview button . Move your
pointer over the dashed divider line, and drag to move the divider
to another area of the image.
Adjusting color and tone
Corel DESIGNER lets you adjust the color and tone of bitmaps. For example, you can replace colors and adjust the brightness, lightness, and
intensity of colors.
By adjusting color and tone, you can restore detail lost in shadows or highlights, remove color casts, correct underexposure or overexposure,
and generally improve the quality of the bitmaps. You can also correct color and tone quickly by using the Image Adjustment Lab. For more
information, see “Using the Image Adjustment Lab” on page 527.
You can adjust the color and tone of bitmaps automatically by using the Auto Adjust command or by using the following filters.
Effect Description
Contrast enhancement Lets you adjust the tone, color, and contrast of a bitmap while
preserving shadow and highlight detail. An interactive histogram
lets you shift or compress brightness values to printable limits.
The histogram can also be adjusted by sampling values from the
bitmap.
Local equalization Lets you enhance contrast near edges to reveal detail in both light
and dark regions. You can set the height and width around the
region to accentuate contrast.
Sample/Target balance Lets you adjust color values in a bitmap with sample colors taken
from the image. You can choose sample colors from the dark,
midtone, and light ranges of an image and apply target colors to
each of the sample colors.
Tone curve Lets you perform color corrections precisely, by controlling
individual pixel values. By changing pixel brightness values, you
can make changes to shadows, midtones, and highlights. For more
information, see “Using the Tone Curve filter” on page 533.
Brightness/contrast/intensity Lets you adjust the brightness of all colors and the difference
between light and dark areas
Color balance Lets you add cyan or red, magenta or green, and yellow or blue to
selected tones in a bitmap
Gamma Lets you accentuate detail in low contrast areas without affecting
shadows or highlights