X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fcanvas%2Fcanvas%2Futils.h;h=8137b2abf723a503143bc6aaa5947bcc792cf79d;hb=4d3cd732c93dd64b8768ec5f8398999f521ee6f0;hp=9db677b61b6ce7d8c00257f1d42ce38831988abb;hpb=3c98de9ce4bf6754a10710cfcd4400b5ebaaaa88;p=ardour.git

diff --git a/libs/canvas/canvas/utils.h b/libs/canvas/canvas/utils.h
index 9db677b61b..8137b2abf7 100644
--- a/libs/canvas/canvas/utils.h
+++ b/libs/canvas/canvas/utils.h
@@ -17,16 +17,17 @@
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
-#include "canvas/types.h"
+#ifndef __CANVAS_UTILS_H__
+#define __CANVAS_UTILS_H__
 
-namespace ArdourCanvas {
+#include <cairomm/context.h>
 
-	extern void color_to_hsv (Color color, double& h, double& s, double& v);
-	extern Color hsv_to_color (double h, double s, double v, double a);
+#include "canvas/visibility.h"
+#include "canvas/types.h"
 
-	extern void color_to_rgba (Color, double& r, double& g, double& b, double& a);
-	extern Color rgba_to_color (double r, double g, double b, double a);
+namespace ArdourCanvas {
 
-	extern void set_source_rgba (Cairo::RefPtr<Cairo::Context>, Color);
+	Distance LIBCANVAS_API distance_to_segment_squared (Duple const & p, Duple const & p1, Duple const & p2, double& t, Duple& at);
 }
 
+#endif // __CANVAS_UTILS_H__