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Choosing a graphics mode
You can change color images to grayscale by selecting the image and
then selecting Grayscale from the Graphics mode list.
Table 4: Graphics modes
Graphics mode Behavior
Default Keeps the picture the same as it was inserted.
Grayscale Shows the picture in gradual shades of gray.
Black / White Converts the picture into a monochromatic black and
white image.
Watermark Makes the picture into a watermark that blends into
the background.
Using graphic filters
Click the Filter icon to display the Graphic Filter
toolbar, which provides options for applying basic
photographic and effect filters to images from within
Calc. To “tear off” this toolbar and place it anywhere on
the screen, click on the three parallel lines and drag it
away.
Table 5: Graphic filters and their effects
Icon Name Behavior
Invert Inverts the colors in the picture like a negative.
Smooth Applies a Gaussian Blur to the image which softens
edges.
Sharpen Sharpens the image.
Remove
Noise
Applies crude noise reduction.
Solarization Reverses a portion of the tones, then produces
pronounced outlines of the highlights.
Aging Applies a Sepia filter.
Posterize Opens a dialog to determine the number of poster
colors. This effect is based on the reduction of the
number of colors. It makes photos look like
paintings.
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