X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fcanvas%2Fcanvas%2Frectangle.h;h=351074cc42ae26962648bed9551c3f7494c7cd81;hb=4d3cd732c93dd64b8768ec5f8398999f521ee6f0;hp=2983d33ed2b6ec122804a1d630ac3f4c7aa7384d;hpb=ff46a3c3a216afc97fee0c796ac2eaa92d58becb;p=ardour.git

diff --git a/libs/canvas/canvas/rectangle.h b/libs/canvas/canvas/rectangle.h
index 2983d33ed2..351074cc42 100644
--- a/libs/canvas/canvas/rectangle.h
+++ b/libs/canvas/canvas/rectangle.h
@@ -23,8 +23,6 @@
 #include "canvas/visibility.h"
 #include "canvas/item.h"
 #include "canvas/types.h"
-#include "canvas/outline.h"
-#include "canvas/fill.h"
 
 namespace ArdourCanvas
 {
@@ -36,7 +34,7 @@ public:
 	Rectangle (Canvas*, Rect const &);
 	Rectangle (Item*);
 	Rectangle (Item*, Rect const &);
-	
+
 	void render (Rect const &, Cairo::RefPtr<Cairo::Context>) const;
 	void compute_bounding_box () const;
 
@@ -66,22 +64,30 @@ public:
 	void set_x1 (Coord);
 	void set_y1 (Coord);
 
+        /** return @param y as a floating point fraction of the overall
+         *  height of the rectangle. @param y is in canvas coordinate space.
+         *
+         *  A value of zero indicates that y is at the bottom of the
+         *  rectangle; a value of 1 indicates that y is at the top.
+         *
+         *  Will return zero if there is no bounding box or if y
+         *  is outside the bounding box.
+         */
+        double vertical_fraction (double y) const;
+
 	enum What {
+		NOTHING = 0x0,
 		LEFT = 0x1,
 		RIGHT = 0x2,
 		TOP = 0x4,
-		BOTTOM = 0x8
+		BOTTOM = 0x8,
+		ALL = LEFT|RIGHT|TOP|BOTTOM,
 	};
 
 	void set_outline_what (What);
-	void set_outline_all () {
-		set_outline_what (ArdourCanvas::Rectangle::What (ArdourCanvas::Rectangle::TOP|
-								 ArdourCanvas::Rectangle::LEFT|
-								 ArdourCanvas::Rectangle::RIGHT|
-								 ArdourCanvas::Rectangle::BOTTOM));
-	}
+	void set_outline_all () { set_outline_what (ArdourCanvas::Rectangle::ALL); }
 
-private:
+  private:
 	/** Our rectangle; note that x0 may not always be less than x1
 	 *  and likewise with y0 and y1.
 	 */