[gimp-help-2] Add short overview for Color tools

[Ulf-D. Ehlert <ulfehlert src gnome org>]

commit de2c7b0f17e1e3fbc1058976130b035797d0b2a0
Author: Ulf-D. Ehlert <ulfehlert svn gnome org>
Date:   Tue Mar 2 12:44:47 2010 +0100

    Add short overview for Color tools

 images/C/toolbox/color-tools-menu1.png |  Bin 0 -> 9548 bytes
 images/C/toolbox/color-tools-menu2.png |  Bin 0 -> 6757 bytes
 src/toolbox/color-tools.xml            |    1 +
 src/toolbox/color/overview.xml         |  105 ++++++++++++++++++++++++++++++++
 4 files changed, 106 insertions(+), 0 deletions(-)
---
diff --git a/images/C/toolbox/color-tools-menu1.png b/images/C/toolbox/color-tools-menu1.png
new file mode 100644
index 0000000..01de63a
Binary files /dev/null and b/images/C/toolbox/color-tools-menu1.png differ
diff --git a/images/C/toolbox/color-tools-menu2.png b/images/C/toolbox/color-tools-menu2.png
new file mode 100644
index 0000000..0c46289
Binary files /dev/null and b/images/C/toolbox/color-tools-menu2.png differ
diff --git a/src/toolbox/color-tools.xml b/src/toolbox/color-tools.xml
index c969d42..13cd9b2 100644
--- a/src/toolbox/color-tools.xml
+++ b/src/toolbox/color-tools.xml
@@ -9,6 +9,7 @@
 -->
 <sect1 xmlns:xi="http://www.w3.org/2001/XInclude"; id="gimp-tools-color">
   <title>Color Tools</title>
+  <xi:include href="color/overview.xml"/>
   <xi:include href="color/color-balance.xml"/>
   <xi:include href="color/hue-saturation.xml"/>
   <xi:include href="color/colorize.xml"/>
diff --git a/src/toolbox/color/overview.xml b/src/toolbox/color/overview.xml
new file mode 100644
index 0000000..0ccdf8e
--- /dev/null
+++ b/src/toolbox/color/overview.xml
@@ -0,0 +1,105 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE sect2 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
+                       "http://www.docbook.org/xml/4.3/docbookx.dtd";>
+<!-- section history:
+  2010-03-02 ude: created
+-->
+<sect2 id="gimp-tools-color-overview">
+  <title>Overview</title>
+
+  <indexterm>
+    <primary>Tools</primary>
+    <secondary>Color</secondary>
+  </indexterm>
+  <indexterm>
+    <primary>Color tools</primary>
+  </indexterm>
+
+  <figure>
+    <title>The Color tools in the Tools menu</title>
+    <mediaobject>
+      <imageobject>
+        <imagedata format="PNG"
+          fileref="images/toolbox/color-tools-menu1.png"/>
+      </imageobject>
+      <caption>
+        <para>
+          Access to the Color tools through the <quote>classical</quote> Tools
+          menu.
+        </para>
+      </caption>
+    </mediaobject>
+  </figure>
+  <figure>
+    <title>The Color tools in the Colors menu</title>
+    <mediaobject>
+      <imageobject>
+        <imagedata format="PNG"
+          fileref="images/toolbox/color-tools-menu2.png"/>
+      </imageobject>
+      <caption>
+        <para>Access through the Colors menu is easier and faster.</para>
+      </caption>
+    </mediaobject>
+  </figure>
+
+  <!--XXX: Yes, this is a bit lame - any ideas for a really "sexy" intro?-->
+  <para>
+    With the Color tools you can manipulate image colors in several ways:
+  </para>
+
+  <itemizedlist>
+    <listitem>
+      <para>
+        Modify the color balance: <xref linkend="gimp-tool-color-balance"/>
+      </para>
+    </listitem>
+    <listitem>
+      <para>
+         Adjust hue, saturation and lightness levels:
+         <xref linkend="gimp-tool-hue-saturation"/>
+      </para>
+    </listitem>
+    <listitem>
+      <para>
+        Render into a greyscale image seen through a colored glass:
+        <xref linkend="gimp-tool-colorize"/>
+      </para>
+    </listitem>
+    <listitem>
+      <para>
+        Adjust brightness and contrast levels:
+        <xref linkend="gimp-tool-brightness-contrast"/>
+      </para>
+    </listitem>
+    <listitem>
+      <para>
+        Transform into a black and white image depending on pixel value:
+        <xref linkend="gimp-tool-threshold"/>
+      </para>
+    </listitem>
+    <listitem>
+      <para>
+        Change the intensity range in a channel:
+        <xref linkend="gimp-tool-levels"/>
+      </para>
+    </listitem>
+    <listitem>
+      <para>
+        Change color, brightness, contrast or transparency in a sophisticated
+        way: <xref linkend="gimp-tool-curves"/>
+      </para>
+    </listitem>
+    <listitem>
+      <para>
+        Reduce the number of colors: <xref linkend="gimp-tool-posterize"/>
+      </para>
+    </listitem>
+    <listitem>
+      <para>
+        Convert all colors to corresponding shades of gray:
+        <xref linkend="gimp-tool-desaturate"/>
+      </para>
+    </listitem>
+  </itemizedlist>
+</sect2>