Try to get HTML Help to render SVG.

Add a custom stylesheet that inserts

    <meta http-equiv="X-UA-Compatible" content="IE=9" >

at the top of our HTML Help output. This *should* convince the
WebBrowser control to draw our new SVG images.

Change-Id: Iae491128195d3738951f3d19e2f82dd3fc73d1d8
Reviewed-on: https://code.wireshark.org/review/3814
Reviewed-by: Gerald Combs <gerald@wireshark.org>

1 files changed, 31 insertions, 0 deletions

diff --git a/docbook/custom_layer_chm.xsl b/docbook/custom_layer_chm.xsl
new file mode 100644
index 0000000000..9cca5c3997
--- /dev/null
+++ b/docbook/custom_layer_chm.xsl
@@ -0,0 +1,31 @@
+<?xml version='1.0'?>
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+                version="1.0">
+
+<!-- copied from custom_layer_pdf.xsl -->
+
+<!-- import the main stylesheet -->
+<xsl:import href="http://docbook.sourceforge.net/release/xsl/current/htmlhelp/htmlhelp.xsl"/>
+
+<!-- use graphics for admons (note, tip, ...)
+<xsl:param name="admon.graphics" select="1"/>
+<xsl:param name="admon.graphics.path">common_graphics/</xsl:param>
+<xsl:param name="admon.graphics.extension" select="'.svg'"/>
+-->
+
+<!--
+  Tell the WebBrowser control to use the IE9 rendering engine if present so
+  that our admonition graphics (which are SVG) show up. We might be able to
+  get away with "IE=8" if needed.
+  http://stackoverflow.com/questions/4612255/regarding-ie9-webbrowser-control/4613025#4613025
+-->
+<xsl:template name="system.head.content">
+  <meta http-equiv="X-UA-Compatible" content="IE=9" />
+</xsl:template>
+
+<!-- reduce the size of programlisting to make them fit the page -->
+<xsl:attribute-set name="monospace.verbatim.properties">
+  <xsl:attribute name="font-size">80%</xsl:attribute>
+</xsl:attribute-set>
+
+</xsl:stylesheet>