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384 lines
14 KiB
384 lines
14 KiB
<?xml version="1.0" ?>
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<!DOCTYPE article PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN"
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"dtd/kdex.dtd" [
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<!ENTITY % addindex "IGNORE">
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<!ENTITY % English "INCLUDE" > <!-- change language only here -->
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]>
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<article lang="&language;">
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<articleinfo>
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<authorgroup>
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<author>&Mark.Donohoe;</author>
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<author>&Martin.R.Jones;</author>
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<!-- <author>&Duncan.H;</author> -->
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<author>&Mike.McBride;</author>
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<!-- TRANS:ROLES_OF_TRANSLATORS -->
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</authorgroup>
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<date>2005-01-18</date>
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<releaseinfo>3.4</releaseinfo>
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<keywordset>
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<keyword>KDE</keyword>
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<keyword>KControl</keyword>
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<keyword>background</keyword>
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<keyword>wallpaper</keyword>
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</keywordset>
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</articleinfo>
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<sect1 id="background">
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<title>Background</title>
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<para>The Background module allows you to configure colors or wallpapers for
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your desktop background.</para>
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<para>It is comprised of four areas:</para>
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<orderedlist>
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<listitem>
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<para>Desktop selection area</para>
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</listitem>
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<listitem>
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<para>An area for selecting background images</para>
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</listitem>
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<listitem>
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<para>The background Preview Monitor</para>
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</listitem>
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<listitem>
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<para>An area for determining the background color</para>
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</listitem>
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</orderedlist>
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<variablelist>
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<varlistentry>
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<term>Selecting the desktop</term>
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<listitem>
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<para>The drop down box labeled <guilabel>Setting for
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desktop:</guilabel> is used to select the desktop you want to
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configure. You can select any of the desktops individually, or you
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can select <guilabel>All Desktops</guilabel> and the changes you make
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will be applied to all desktops.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>Preview Monitor</term>
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<listitem>
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<para>This is a preview window. It will give you a sense of what to
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expect with each change.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><guilabel>Background</guilabel></term>
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<listitem>
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<para>This section allows you to load a wallpaper on top of the color
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gradient chosen in the section below.</para>
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<para>There are three choices available here:</para>
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<variablelist>
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<varlistentry>
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<term><guilabel>No Picture</guilabel></term>
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<listitem>
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<para>No picture background will be shown. The color and pattern
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choices below will still take effect.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><guilabel>Picture</guilabel></term>
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<listitem>
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<para>A single picture will be used as the background for the selected
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desktops.</para>
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<para>How this picture is positioned and scaled can be fine tuned
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below.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><guilabel>Slide show</guilabel></term>
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<listitem>
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<para>&kde; allows you to have an automatic slide show of wallpaper
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images. To enable this option, press the <guibutton>Setup...</guibutton>
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button. In the resulting dialog you may choose any
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image or folder of images available on your computer, using the
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<guibutton>Add...</guibutton> button to navigate your file system.
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<guibutton>Remove</guibutton> will remove the currently selected
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entry from the list.</para>
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<para>You may choose the length of time any image is displayed in the
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<guilabel>Change picture after:</guilabel> box, and you may choose
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<guibutton>Show pictures in random order</guibutton> if you don't want
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them displayed in the order they are listed.</para>
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<tip><para>Displaying wallpaper requires that the image be kept in
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memory. If you are low on memory, using a small, tiled image or none
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at all is recommended.</para>
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<para>Scaling or centering a small image still requires an image the
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size of your display to be maintained in memory.</para></tip>
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</listitem>
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</varlistentry>
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</variablelist>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><guilabel>Options</guilabel></term>
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<listitem>
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<variablelist><!-- Positioning -->
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<title><guilabel>Position:</guilabel></title>
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<varlistentry>
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<term>Centered</term>
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<listitem><para>The image will be centered on the screen without changing the
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size of the image. The background colors will be present anywhere the image
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does not cover.</para> </listitem>
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</varlistentry>
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<varlistentry>
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<term>Tiled</term>
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<listitem><para>The image will be duplicated until it fills the entire
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desktop. The first image will be placed in the upper left corner of the screen,
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and duplicated downward and to the right.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>Center Tiled</term>
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<listitem><para>The image will be duplicated until it
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fills the entire desktop. The first image will be placed in the center of the
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screen, and duplicated upward, downward to the right, and to the left.</para>
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</listitem></varlistentry>
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<varlistentry>
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<term>Centered Maxpect</term>
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<listitem><para>The image will be placed in the center of the screen. It will
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be scaled to fit the desktop, but it will not change the aspect ratio of the
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original image. This will provide you with an image that is not distorted.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>Tiled Maxpect</term>
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<listitem>
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<para>The image will be placed in the corner of the screen. It will
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be scaled to fit the desktop, but it will not change the aspect ratio
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of the original image. This will provide you with an image that is
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not distorted. If there is any space over, the image will be
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duplicated to fill it. </para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>Scaled</term>
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<listitem><para>The image will be scaled to fit the desktop. It will be
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stretched to fit to all four corners. This may distort the image.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>Centered Auto fit</term>
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<listitem>
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<para>If the picture fits the desktop size, this mode works like the
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centered option. If the picture is larger than the desktop then it is
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scaled down to fit while keeping the aspect ratio.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>Scale and Crop</term>
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<listitem>
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<para>Magnify the picture without distorting it until it fills both the
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width and height of the desktop (cropping the picture if necessary), and
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then center it on the desktop.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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<variablelist><!-- Colors -->
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<varlistentry>
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<term><guilabel>Colors:</guilabel></term>
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<listitem>
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<para>The first drop down box allows you to choose the type of color,
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gradient, or pattern to display under (or in place of) wallpaper.</para>
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<tip><para>If you are going to be using a picture as a wallpaper, you
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can skip this section of the dialog box.</para>
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<para>However, if your chosen wallpaper does not cover the entire
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desktop, the chosen colors will still show in the remaining
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space.</para></tip>
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<variablelist>
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<varlistentry>
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<term><guilabel>Single Color</guilabel></term>
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<listitem><para>By choosing this mode, you select one color using the
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first color bar, and the entire background is covered with this one
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color.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><guilabel>Horizontal Gradient</guilabel></term>
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<listitem><para>By choosing this mode, you select two colors (using both color
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buttons). &kde; will then start with the color selected by <guilabel>Primary
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Color</guilabel> on the left edge of the screen, and slowly transform into the
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color selected by <guilabel>Blend Color</guilabel> by the time it gets to the
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right edge of the screen.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><guilabel>Vertical Gradient</guilabel></term>
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<listitem><para>By choosing this mode, you select two colors (using both color
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buttons). &kde; will then start with the color selected by <guilabel>Primary
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Color</guilabel> on the top edge of the screen, and slowly transform into the
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color selected by <guilabel>Blend Color</guilabel> as it moves to the bottom of
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the screen.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><guilabel>Pyramid Gradient</guilabel></term>
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<listitem><para>By choosing this mode, you select two colors (using both color
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buttons). &kde; will then start with the color selected by
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<guilabel>Primary Color</guilabel> in each
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corner of the screen, and slowly transform into the color selected by
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<guilabel>Blend Color</guilabel> as it moves to the center of the
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screen.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><guilabel>Pipecross Gradient</guilabel></term>
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<listitem><para>By choosing this mode, you select two colors (using both color
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buttons). &kde; will then start with the color selected by
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<guilabel>Primary Color</guilabel> in each corner of the screen, and slowly
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transform into the color selected by <guilabel>Blend Color</guilabel>
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as it moves to the center of the screen. The shape of
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this gradient is different than the pyramid gradient.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><guilabel>Elliptic Gradient</guilabel></term>
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<listitem><para>By choosing this mode, you select two colors (using both color
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buttons). &kde; will then start with the color selected by
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<guilabel>Blend Color</guilabel> in the center of the screen, and slowly
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transform into the color selected by <guilabel>Primary Color</guilabel>
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as it moves to the edges, in an elliptical pattern.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><replaceable>Pattern</replaceable></term>
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<listitem>
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<para>The rest of the list are the names of various patterns
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or textures you can choose.</para>
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<para>Click on
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<guibutton>OK</guibutton>, and &kde; will render the pattern you
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selected using the two colors you selected. For more on patterns, see
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the section <link linkend="bkgnd-patterns">Adding, Removing and
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Modifying Patterns</link>.</para>
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<para>Select the primary color with the first color bar. If you have
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chosen a pattern that requires two colors to be set the secondary
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color can be set by pressing the appropriate button.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</listitem>
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</varlistentry>
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</variablelist>
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<variablelist>
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<varlistentry>
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<term><guilabel>Blending:</guilabel></term>
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<listitem>
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<para>The drop down box labeled <guilabel>Blending:</guilabel> contains the
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options to make a smooth transition (blend) from the wallpaper as it
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changes to the background.</para>
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<orderedlist>
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<listitem><para>A drop down box allows you to select the blending mode.
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Many of the modes are similar to blending modes for background colors. Select
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your mode from the list, and the preview window shows you what it will look
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like.</para></listitem>
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<listitem><para>The <guilabel>Balance</guilabel> slider adjusts the
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blending. The results can be seen immediately in the preview
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window.</para></listitem>
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<listitem><para>The <guilabel>Reverse roles</guilabel> can reverse the
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role of the picture and the background for some types of
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blending.</para>
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</listitem>
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</orderedlist>
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</listitem>
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</varlistentry>
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</variablelist>
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</listitem>
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</varlistentry>
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</variablelist>
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<sect2 id="bkgnd-advanced">
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<title>Advanced options</title>
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<para>Located below the preview monitor is a button labeled
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<guibutton>Advanced Options</guibutton>.</para>
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<para>To use an external program to determine and change the
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background of &kde;, simply select <guilabel>Use the following program
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for drawing the background</guilabel>. Available &kde; programs are
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listed, select one to enable it. To modify your choice, for example
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to change the refresh times, you may press the
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<guibutton>Modify...</guibutton> button.</para>
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<para>To add a third party application (⪚
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<application>XEarth</application>) you may use the
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<guibutton>Add...</guibutton> button. A dialog will open allowing you
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to choose your application, and fill in other data about it. You may
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remove any entries from this list by selecting it and pressing the
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<guibutton>Remove</guibutton> button.</para>
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<para>Using third party external programs to modify or change the
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background is beyond the scope of this document, see their respective
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documentation for the format of command-line switches and other
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configuration information.</para>
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<para>Also in this section you may choose to set the color of text
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that is used for icons on the desktop. If you find icon text
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difficult to read against a wallpaper or pattern, you can choose a
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solid color to show beneath text, or enable a shadow under the text to
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enhance its appearance.</para>
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<para>It is possible to set how many lines of text will be shown beneath each icon with the <guilabel>Lines for icon text:</guilabel> If the text is longer than can be shown in the configured number of lines, it will be truncated. You can also set a value for the <guilabel>Width for icon text:</guilabel> option. The value is in pixels, and the default is <guilabel>Auto</guilabel>, which is a default calculated based on the current font.
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<!-- TODO: Find out what the actual calculation here is, in case someone needs it -->
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</para>
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<para>Finally you can set the <guilabel>Size of the background
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cache:</guilabel>. The default (2048 KB) is usually a safe
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choice.</para>
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</sect2>
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<sect2 id="bkgnd-patterns">
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<title>Adding, Removing and Modifying Wallpapers and Patterns</title>
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<para>There is a button under the preview monitor labelled <guibutton>Get
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New Wallpapers</guibutton> that helps you fetch new wallpaper images from a
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selection of popular images from the <ulink
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url="http://www.kde-look.org">KDE-Look</ulink> website. You can of course
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select any image you have available to use as wallpaper, and it may be
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stored in any location on your hard drive. To have a wallpaper show up in
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the list automatically for all users, you should save it to the <filename
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class="directory">$<envar>KDEDIR</envar>/share/wallpapers</filename>
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folder.</para>
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<para>A pattern is a picture file which &kde; uses as a template to
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draw your background. The picture file provides the shapes, but &kde;
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provides the colors. &kde; is packaged with several patterns, and you also
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can add new patterns.</para>
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<para>To add a new pattern that is available to every user on your
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computer, simply place the file in <filename
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class="directory">$<envar>KDEDIR</envar>/share/apps/kdesktop/patterns/</filename>.</para>
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<para>Copy a <literal role="extension">.desktop</literal> file from
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this folder, and name it the same as your new pattern image file.
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Modify the contents to suit your new pattern.</para>
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<para>To add a new pattern for a single user, add the files to
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<filename
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class="directory">$<envar>KDEHOME</envar>/share/apps/kdesktop/patterns/</filename>.</para>
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<para>For best results, the pattern should be a grayscale PNG file.</para>
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</sect2>
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</sect1>
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</article>
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