Refactoring and adding tons of new parameters.

plugin.xml

@@ -237,6 +237,7 @@
             <val default="true">default</val>
             <val>none</val>
             <val>fade</val>
+            <val>linear</val>
             <val>slide</val>
             <val>convex</val>
             <val>concave</val>

samples/backgrounds/backgrounds.ditamap

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE map PUBLIC "-//OASIS//DTD DITA Map//EN" "map.dtd">
+<map>
+    <topicref href="slide01.dita"/>
+    <topicref href="slide02.dita"/>
+    <topicref href="slide03.dita"/>
+</map>

samples/backgrounds/slide01.dita

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?xml-model href="urn:jung:dita:rng:slide.rng" schematypens="http://relaxng.org/ns/structure/1.0"?>
+<?xml-model href="urn:jung:dita:rng:slide.rng" schematypens="http://purl.oclc.org/dsdl/schematron"?>
+<slide id="slide01" data-background="#00ffff">
+  <slide-title/>
+  <slide-body>
+    <slide-h2>data-background: #00ffff</slide-h2>
+  </slide-body>
+</slide>

samples/backgrounds/slide02.dita

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?xml-model href="urn:jung:dita:rng:slide.rng" schematypens="http://relaxng.org/ns/structure/1.0"?>
+<?xml-model href="urn:jung:dita:rng:slide.rng" schematypens="http://purl.oclc.org/dsdl/schematron"?>
+<slide id="slide02" data-background="#bb00bb">
+  <slide-title/>
+  <slide-body>
+    <slide-h2>data-background: #bb00bb</slide-h2>
+  </slide-body>
+</slide>

samples/backgrounds/slide03.dita

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?xml-model href="urn:jung:dita:rng:slide.rng" schematypens="http://relaxng.org/ns/structure/1.0"?>
+<?xml-model href="urn:jung:dita:rng:slide.rng" schematypens="http://purl.oclc.org/dsdl/schematron"?>
+<slide id="slide03" data-background="lightblue">
+  <slide-title/>
+  <slide-body>
+    <slide-h2>data-background: lightblue</slide-h2>
+  </slide-body>
+</slide>

samples/sample.xml

@@ -34,6 +34,18 @@
       <param name="reveal.center" value="true"/>
     </publication>
   </deliverable>
+
+  <deliverable name="Reveal Auto Backgrounds" id="backgrounds">
+    <context name="Reveal Auto Backgrounds" id="backgrounds_context">
+      <input href="backgrounds/backgrounds.ditamap"/>
+    </context>
+    <output href="./backgrounds"/>
+    <publication transtype="reveal">
+      <param name="reveal.theme" value="black"/>
+      <param name="reveal.transition" value="linear"/>
+      <param name="reveal.center" value="true"/>
+    </publication>
+  </deliverable>
 
   <deliverable name="Reveal Presentation - With progress bar" id="progress-bar">
     <context idref="reveal_context"/>