use origin as offset

Author: sunilshetye

blocks/xcos2xml/head.xsl

@@ -471,16 +471,26 @@
   </xsl:template>
   <xsl:template name="mxGeometry" match="mxGeometry">
     <xsl:element name="mxGeometry">
-      <xsl:if test="@x">
-        <xsl:attribute name="x">
-            <xsl:value-of select="@x" />
-        </xsl:attribute>
-      </xsl:if>
-      <xsl:if test="@y">
-        <xsl:attribute name="y">
-          <xsl:value-of select="@y" />
-        </xsl:attribute>
-      </xsl:if>
+      <xsl:attribute name="x">
+        <xsl:choose>
+          <xsl:when test="@x">
+            <xsl:value-of select="format-number(@x+$originx,'#.0')" />
+          </xsl:when>
+          <xsl:otherwise>
+            <xsl:value-of select="format-number($originx,'#.0')" />
+          </xsl:otherwise>
+        </xsl:choose>
+      </xsl:attribute>
+      <xsl:attribute name="y">
+        <xsl:choose>
+          <xsl:when test="@y">
+            <xsl:value-of select="format-number(@y+$originy,'#.0')" />
+          </xsl:when>
+          <xsl:otherwise>
+            <xsl:value-of select="format-number($originy,'#.0')" />
+          </xsl:otherwise>
+        </xsl:choose>
+      </xsl:attribute>
       <xsl:if test="@width">
         <xsl:attribute name="width">
           <xsl:value-of select="@width" />