use svg instead of png + imagemap

.gitignore

@@ -8,3 +8,5 @@ test-output
 .idea
 .DS_Store
 .factorypath
+
+/*.svg

content/xdoc/scm.xml

@@ -67,33 +67,7 @@ repo start master --all</pre>
 
       <subsection name="Maven Sources Overview">
         <p align="center">
-          <img src="maven-sources.png" width="843" height="837" border="0" usemap="#maven-sources" />
-          <map name="maven-sources">
-            <area shape="rect" coords="8,1,82,36"       alt="Site"           href="https://github.com/apache/maven-site" />
-            <area shape="rect" coords="100,0,205,37"    alt="Sources"        href="https://github.com/apache/maven-sources/" />
-            <area shape="rect" coords="89,43,171,78"    alt="Maven"          href="/ref/current" />
-            <area shape="rect" coords="178,43,275,78"   alt="Core ITs"       href="/core-its" />
-            <area shape="rect" coords="283,43,387,78"   alt="Resolver"       href="/resolver" />
-            <area shape="rect" coords="393,43,497,78"   alt="Ant Tasks"      href="/resolver-ant-tasks" />
-            <area shape="rect" coords="1,89,842,424"    alt="Plugins"        href="/plugins" />
-            <area shape="rect" coords="80,432,163,466"  alt="Doxia"          href="/doxia/doxia" />
-            <area shape="rect" coords="169,432,278,467" alt="Site Tools"     href="/doxia/doxia-site-tools" />
-            <area shape="rect" coords="283,432,359,466" alt="Site"           href="/doxia" />
-            <area shape="rect" coords="445,431,549,466" alt="Converter"      href="/doxia/doxia-tools/doxia-converter" />
-            <area shape="rect" coords="554,431,659,466" alt="Linkcheck"      href="/doxia/doxia-tools/doxia-linkcheck" />
-            <area shape="rect" coords="69,473,191,508"  alt="Archetypes"     href="/archetypes" />
-            <area shape="rect" coords="198,473,272,508" alt="Poms"           href="/pom" />
-            <area shape="rect" coords="280,473,355,508" alt="Skins"          href="/skins" />
-            <area shape="rect" coords="392,472,468,507" alt="Studies"        href="/studies" />
-            <area shape="rect" coords="502,473,597,508" alt="Indexer"        href="/maven-indexer" />
-            <area shape="rect" coords="604,473,699,509" alt="Wagon"          href="/wagon" />
-            <area shape="rect" coords="705,473,836,509" alt="Plugin testing" href="/plugin-testing" />
-            <area shape="rect" coords="69,515,164,551"  alt="dist tool"      href="https://builds.apache.org/job/dist-tool-plugin/site/index.html" />
-            <area shape="rect" coords="280,514,354,550" alt="env"            href="https://github.com/apache/maven-jenkins-env" />
-            <area shape="rect" coords="360,515,435,550" alt="lib"            href="https://github.com/apache/maven-jenkins-lib" />
-            <area shape="rect" coords="1,557,833,779"   alt="shared"         href="/shared" />
-            <area shape="rect" coords="1,787,560,836"   alt="Plexus"         href="https://codehaus-plexus.github.io/" />
-          </map>
+          <object type="image/svg+xml" data="maven-sources.svg" width="1090" height="995"/>
         </p>
         <p>Each component has its own Jira project or component for issue tracking:
         see the <a href="/issue-management.html">Issue Management report</a> to get a summary.

prepare-svg.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+#libreoffice --headless --convert-to svg content/xdoc/maven-sources.odg
+# CLI export keeps full A3 page
+# I prefer doing it by hand, limiting export to "selection" = avoids extra space
+
+# svgo https://github.com/svg/svgo
+svgo --config svgo.config.mjs maven-sources.svg -o maven-sources-optimized.svg
+
+cat maven-sources-optimized.svg \
+  | sed 's/a xlink:href/a target="_parent" xlink:href/' \
+  | sed 's_file://__' \
+  > content/resources/maven-sources.svg

svgo.config.mjs

@@ -0,0 +1,37 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+export default {
+    js2svg: {
+        indent: 1,
+        pretty: true,
+      },
+    plugins: [
+      'preset-default',
+      {
+        name: "removeAttrs",
+        params: {
+          attrs: [
+            "g:class",
+            "path:class",
+          ]
+        }
+      },
+      ],
+  };