From 2f80ea36b6fd8d45647c15d85df96ca797b37cf2 Mon Sep 17 00:00:00 2001
From: Bob Stayton <bobs@sagehill.net>
Date: Sat, 9 Jul 2005 07:57:54 +0000
Subject: [PATCH] Applied patch #850001 to add content-type property to
 external-graphic element based on imagedata format attribute.

---
 xsl/fo/graphics.xsl | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/xsl/fo/graphics.xsl b/xsl/fo/graphics.xsl
index f2d491a46..a183f24ab 100644
--- a/xsl/fo/graphics.xsl
+++ b/xsl/fo/graphics.xsl
@@ -1,4 +1,8 @@
 <?xml version='1.0'?>
+<!DOCTYPE xsl:stylesheet [
+<!ENTITY lowercase "'abcdefghijklmnopqrstuvwxyz'">
+<!ENTITY uppercase "'ABCDEFGHIJKLMNOPQRSTUVWXYZ'">
+ ]>
 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                 xmlns:fo="http://www.w3.org/1999/XSL/Format"
                 xmlns:xlink="http://www.w3.org/1999/xlink"
@@ -83,6 +87,33 @@
                          concat(' ', $lcext, ' '))">1</xsl:if>
 </xsl:template>
 
+<xsl:template name="graphic.format.content-type">
+  <xsl:param name="format"/>
+  <xsl:variable name="is.graphic.format">
+    <xsl:call-template name="is.graphic.format">
+      <xsl:with-param name="format" select="$format"/>
+    </xsl:call-template>
+  </xsl:variable>
+  <xsl:if test="$is.graphic.format">
+    <xsl:choose>
+      <xsl:when test="$format = ''"></xsl:when>
+      <xsl:when test="$format = 'linespecific'"></xsl:when>
+      <xsl:when test="$format = 'PS'">application/postscript</xsl:when>
+      <xsl:when test="$format = 'PDF'">application/pdf</xsl:when>
+      <xsl:when test="$format = 'PNG'">image/png</xsl:when>
+      <xsl:when test="$format = 'SVG'">image/svg+xml</xsl:when>
+      <xsl:when test="$format = 'JPG'">image/jpeg</xsl:when>
+      <xsl:when test="$format = 'GIF87a'">image/gif</xsl:when>
+      <xsl:when test="$format = 'GIF89a'">image/gif</xsl:when>
+      <xsl:otherwise>
+          <xsl:value-of select="concat('image/', 
+            translate($format, &uppercase;, &lowercase;))"/>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:if>
+</xsl:template>
+
+
 <!-- ==================================================================== -->
 
 <xsl:template match="screenshot">
@@ -146,6 +177,14 @@
     </xsl:choose>
   </xsl:variable>
 
+  <xsl:variable name="content-type">
+    <xsl:if test="@format">
+      <xsl:call-template name="graphic.format.content-type">
+        <xsl:with-param name="format" select="@format"/>
+      </xsl:call-template>
+    </xsl:if>
+  </xsl:variable>
+
   <xsl:variable name="bgcolor">
     <xsl:call-template name="dbfo-attribute">
       <xsl:with-param name="pis"
@@ -248,6 +287,12 @@
       </xsl:choose>
     </xsl:attribute>
 
+    <xsl:if test="$content-type != ''">
+      <xsl:attribute name="content-type">
+        <xsl:value-of select="concat('content-type:',$content-type)"/>
+      </xsl:attribute>
+    </xsl:if>
+
     <xsl:if test="$bgcolor != ''">
       <xsl:attribute name="background-color">
         <xsl:value-of select="$bgcolor"/>
-- 
2.40.0