[gnome-color-manager] trivial: add gcm_color_set_Yxy()

[Richard Hughes <rhughes src gnome org>]

commit ddc3e0cfe755ec0472ca00a28d06cb712e75b4c9
Author: Richard Hughes <richard hughsie com>
Date:   Wed Oct 13 16:22:23 2010 +0100

    trivial: add gcm_color_set_Yxy()

 libcolor-glib/gcm-color.c |   19 +++++++++++++++++++
 libcolor-glib/gcm-color.h |    4 ++++
 2 files changed, 23 insertions(+), 0 deletions(-)
---
diff --git a/libcolor-glib/gcm-color.c b/libcolor-glib/gcm-color.c
index 18e7871..9a040ad 100644
--- a/libcolor-glib/gcm-color.c
+++ b/libcolor-glib/gcm-color.c
@@ -183,6 +183,25 @@ gcm_color_set_RGB (GcmColorRGB *dest, gdouble R, gdouble G, gdouble B)
 }
 
 /**
+ * gcm_color_set_Yxy:
+ * @dest: the destination color
+ * @Y: component value
+ * @x: component value
+ * @y: component value
+ *
+ * Initialises a color value.
+ **/
+void
+gcm_color_set_Yxy (GcmColorYxy *dest, gdouble Y, gdouble x, gdouble y)
+{
+	g_return_if_fail (dest != NULL);
+
+	dest->Y = Y;
+	dest->x = x;
+	dest->y = y;
+}
+
+/**
  * gcm_color_copy_XYZ:
  * @src: the source color
  * @dest: the destination color
diff --git a/libcolor-glib/gcm-color.h b/libcolor-glib/gcm-color.h
index 1dd8a22..db1c36d 100644
--- a/libcolor-glib/gcm-color.h
+++ b/libcolor-glib/gcm-color.h
@@ -87,6 +87,10 @@ void		 gcm_color_set_RGB			(GcmColorRGB		*dest,
 							 gdouble		 R,
 							 gdouble		 G,
 							 gdouble		 B);
+void		 gcm_color_set_Yxy			(GcmColorYxy		*dest,
+							 gdouble		 Y,
+							 gdouble		 x,
+							 gdouble		 y);
 void		 gcm_color_copy_XYZ			(const GcmColorXYZ	*src,
 							 GcmColorXYZ		*dest);
 void		 gcm_color_copy_Yxy			(const GcmColorYxy	*src,