+/*
+ Copyright (C) 2011-2013 Paul Davis
+ Author: Carl Hetherington <cth@carlh.net>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
#ifndef __CANVAS_RECTANGLE_H__
#define __CANVAS_RECTANGLE_H__
+#include "canvas/visibility.h"
#include "canvas/item.h"
#include "canvas/types.h"
-#include "canvas/outline.h"
-#include "canvas/fill.h"
namespace ArdourCanvas
{
-class Rectangle : virtual public Item, public Outline, public Fill
+class LIBCANVAS_API Rectangle : public Item
{
public:
- Rectangle (Group *);
- Rectangle (Group *, Rect const &);
-
+ Rectangle (Canvas*);
+ Rectangle (Canvas*, Rect const &);
+ Rectangle (Item*);
+ Rectangle (Item*, Rect const &);
+
void render (Rect const &, Cairo::RefPtr<Cairo::Context>) const;
void compute_bounding_box () const;
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_what (int);
+ void set_outline_all () { set_outline_what (ArdourCanvas::Rectangle::ALL); }
+
+ protected:
+ void render_self (Rect const &, Cairo::RefPtr<Cairo::Context>, Rect) const;
+ Rect get_self_for_render () const;
-private:
+ private:
/** Our rectangle; note that x0 may not always be less than x1
* and likewise with y0 and y1.
*/