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.
Pop Art Applies a Pop Art style to the image.
Charcoal
Sketch
Applies a Charcoal Sketch look to the image.
Relief
Displays a dialog for creating reliefs. The position of the
imaginary light source that determines the type of shadow
can be chosen.
Chapter 5 Using Graphics in Calc 125
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