1 files changed, 115 insertions, 0 deletions
diff --git a/libs/canvas/canvas/types.h b/libs/canvas/canvas/types.h
new file mode 100644
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--- /dev/null
+++ b/libs/canvas/canvas/types.h
@@ -0,0 +1,115 @@
+/*
+    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_TYPES_H__
+#define __CANVAS_TYPES_H__
+
+#include <iostream>
+#include <vector>
+#include <stdint.h>
+#include <boost/optional.hpp>
+
+#include <cairomm/refptr.h>
+
+#include "canvas/visibility.h"
+
+namespace Cairo {
+	struct Context;
+}
+
+namespace ArdourCanvas
+{
+
+typedef double Coord;
+typedef double Distance;
+typedef uint32_t Color;
+
+extern LIBCANVAS_API Coord const COORD_MAX;
+
+struct LIBCANVAS_API Duple
+{
+	Duple ()
+		: x (0)
+		, y (0)
+	{}
+	
+	Duple (Coord x_, Coord y_)
+		: x (x_)
+		, y (y_)
+	{}
+		     
+	Coord x;
+	Coord y;
+
+	Duple translate (Duple) const;
+};
+
+
+extern LIBCANVAS_API Duple operator- (Duple const &);
+extern LIBCANVAS_API Duple operator+ (Duple const &, Duple const &);
+extern LIBCANVAS_API bool operator== (Duple const &, Duple const &);
+extern LIBCANVAS_API Duple operator- (Duple const &, Duple const &);
+extern LIBCANVAS_API Duple operator/ (Duple const &, double);
+extern LIBCANVAS_API std::ostream & operator<< (std::ostream &, Duple const &);
+
+struct LIBCANVAS_API Rect
+{
+	Rect ()
+		: x0 (0)
+		, y0 (0)
+		, x1 (0)
+		, y1 (0)
+	{}
+	
+	Rect (Coord x0_, Coord y0_, Coord x1_, Coord y1_)
+		: x0 (x0_)
+		, y0 (y0_)
+		, x1 (x1_)
+		, y1 (y1_)
+	{}
+		
+	Coord x0;
+	Coord y0;
+	Coord x1;
+	Coord y1;
+
+	boost::optional<Rect> intersection (Rect const &) const;
+	Rect extend (Rect const &) const;
+	Rect translate (Duple) const;
+	Rect expand (Distance) const;
+	bool contains (Duple) const;
+	Rect fix () const;
+	bool empty() const { return (x0 == x1 && y0 == y1); }
+
+	Distance width () const {
+		return x1 - x0;
+	}
+
+	Distance height () const {
+		return y1 - y0;
+	}
+};
+
+extern LIBCANVAS_API std::ostream & operator<< (std::ostream &, Rect const &);
+
+typedef std::vector<Duple> Points;
+
+}
+	
+#endif