Include rearrangement.
[dcpomatic.git] / src / lib / colour_conversion.cc
index c836cc2715728e8c75f09eb5271d4b003748dbc3..6dd4ab87675008abee80a9f517049e351ce75f16 100644 (file)
 
 */
 
-#include <libxml++/libxml++.h>
-#include <dcp/colour_matrix.h>
-#include <dcp/raw_convert.h>
-#include <libcxml/cxml.h>
 #include "config.h"
 #include "colour_conversion.h"
 #include "util.h"
 #include "md5_digester.h"
+#include <dcp/colour_matrix.h>
+#include <dcp/raw_convert.h>
+#include <libcxml/cxml.h>
+#include <libxml++/libxml++.h>
 
 #include "i18n.h"
 
@@ -84,6 +84,16 @@ ColourConversion::ColourConversion (cxml::NodePtr node)
        output_gamma = node->number_child<double> ("OutputGamma");
 }
 
+boost::optional<ColourConversion>
+ColourConversion::from_xml (cxml::NodePtr node)
+{
+       if (!node->optional_node_child ("InputGamma")) {
+               return boost::optional<ColourConversion> ();
+       }
+
+       return ColourConversion (node);
+}
+
 void
 ColourConversion::as_xml (xmlpp::Node* node) const
 {