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The Background setup dialog is comprised of three sections:
This is a minature representation of your display background, using the current settings. To apply these settings to your display, press the Apply button to continue using the KDE display setup utility, or the Ok button to apply your changes and quit.
Note: Pressing Ok or Apply applies changes made in all of the display setup modules.
The display background can be filled with a single color or with a color gradient.
Click the Flat button to fill the background with a single color. The background color can be changed by clicking on the colored box in the Color group. This will display a color selection dialog from which you may select a background color.
When you are happy with your color selection, press Ok in the color selection dialog. The color will be updated in the Preview Monitor. If you have a wallpaper selected, you may not see the background color, as the wallpaper will cover it.
To fill the background with a color gradient click the Gradient button. A second colored box will appear. The color gradient will run between the colors shown in the two boxes. The gradient runs up and down the display if the Portrait option is selected. Alternatively, if the Landscape option is selected, the color gradient will run across the display.
A gradient fill uses only 8 colors leaving plenty free for other applications. However, it requires an image the size of your display to be maintained in memory.
The wallpaper is an image displayed in the background (root window) of your display. To change the wallpaper displayed, select one from the list or click the Browse button and select an image.
The image may be: Tiled, Centred, or Scaled to fit the size of the display.
Displaying wallpaper requires that the image be kept memory. If you are low on memory, using a small, tiled image or none at all is recommended. Note that scaling or centring a small image still requires an image the size of your display to be maintained in memory.
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