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142 lines
4.4 KiB
142 lines
4.4 KiB
<sect1 id="tutorial-tablet">
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<title>Working with tablets</title>
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<para>This tutorial is intended to describe you the first steps with working
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with a tablet with &chalk;. The tutorial assumes you are using &Linux;.</para>
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<sect2 id="tutorial-tablet-configuring">
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<title>Configuring it</title>
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<para>
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As any hardware it nearly works out of the box. &Linux; should recognize it
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fine, but you might have to configure the X11 server by hand. The best way to
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do this is to follow the instruction on the Wacom &Linux; howto: <ulink
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url="http://linuxwacom.sourceforge.net/index.php/howto/main" />.
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</para><para>
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Then, in &chalk;, you need to enable the various tools (in the
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<guilabel>Tablet</guilabel> section of the
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<menuchoice><guimenu>Settings</guimenu><guimenuitem>Configure
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&chalk;...</guimenuitem></menuchoice> dialog) — you can find more
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information in the <link linkend="settings-preferences-tablet">tablet settings
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section</link>.
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</para>
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</sect2>
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<sect2 id="tutorial-tablet-firstcontact">
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<title>First contact with the tablet</title>
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<para>
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There are three devices of your tablet that you can use with &chalk;:
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</para>
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<itemizedlist>
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<listitem><para>the cursor, the mouse that was shipped with the Wacom
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tablet</para></listitem>
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<listitem><para>the eraser, the round part on the top of the pen</para></listitem>
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<listitem><para>the stylus, the thin point on the bottom of the pen</para></listitem>
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</itemizedlist>
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<para>
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By default, when you use the stylus or the cursor on the tablet, the Brush
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tool and the pixel brush painting operation will get selected. The eraser
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device is associated to the <quote>pixel eraser</quote> painting operation.
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But if you select a different tool or a different painting operation with one
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device, &chalk; will remember the association when you switch between devices.
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</para>
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</sect2>
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<sect2 id="tutorial-tablet-outlines">
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<title>Outlines of a flower</title>
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<para>
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Even if you knew how to draw before you started with a tablet, you will need
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to adapt to the tablet. It doesn't feel the same. So I suggest to start with
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something simple, like a flower, and to use a picture as a model:
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</para>
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<para>
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<screenshot>
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<screeninfo>A flower</screeninfo>
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<mediaobject>
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<imageobject>
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<imagedata fileref="tutorial-tablet-1.png" format="PNG" />
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</imageobject>
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<textobject>
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<phrase>A flower</phrase>
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</textobject>
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<caption><para>A flower</para></caption>
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</mediaobject>
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</screenshot>
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</para>
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<para>
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First, you will need to create a new layer for the outline. I advise you to
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lock the layer with the picture, it will prevent you from making mistakes.
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</para><para>
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Drawing the outline of the flower seems pretty easy, but for your first
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experience you will have a great difficulty to precisely follow the line on
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the screen while your hand has to move on the tablet. Eventually you will get
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something like this:
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</para>
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<para>
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<screenshot>
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<screeninfo>The outline of the flower</screeninfo>
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<mediaobject>
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<imageobject>
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<imagedata fileref="tutorial-tablet-2.png" format="PNG" />
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</imageobject>
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<textobject>
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<phrase>The outline of the flower</phrase>
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</textobject>
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<caption><para>The outline of the flower</para></caption>
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</mediaobject>
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</screenshot>
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</para>
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</sect2>
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<sect2 id="tutorial-tablet-colorization">
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<title>Colorization</title>
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<para>
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For the colorization, you will need to create a third layer. You will
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have to move it below the layer with the outlines, and do not forget to lock
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the outline layer.
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</para><para>
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It's mostly easier than the outline part, just select the color you want to
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use (either with the color selector or with the color picker), then for most
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of the work you can use the fill tool: with the mouse, click on the part you
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want to fill, as by default the fill tool will take the outline into
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consideration. On the following image, the different colors of the heart of
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the flower are not seperated by outlines, to do them I just completed the
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missing outline with a yellow or brown line to create the separation between
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the different colors.
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</para>
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<para>
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<screenshot>
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<screeninfo>The colored flower</screeninfo>
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<mediaobject>
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<imageobject>
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<imagedata fileref="tutorial-tablet-3.png" format="PNG" />
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</imageobject>
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<textobject>
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<phrase>The colored flower</phrase>
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</textobject>
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<caption><para>The colored flower</para></caption>
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</mediaobject>
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</screenshot>
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</para>
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<para>
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The resulting image looks and feels like old fashion clipart, mostly because
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it lacks shadows and illumination, which are not covered by this tutorial.
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</para>
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</sect2>
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</sect1>
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