X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fcanvas%2Ftypes.cc;h=536147a7f4ff917a443312a5fc34e8910159545d;hb=2d098c346aefd8eb2e3507e321e4bd7ff5ce679f;hp=ef5d3bb293406e7331d82d0bd17bcd562e0a5c50;hpb=f208593249c7bc1f139809aa32c8aa6320782af0;p=ardour.git

diff --git a/libs/canvas/types.cc b/libs/canvas/types.cc
index ef5d3bb293..536147a7f4 100644
--- a/libs/canvas/types.cc
+++ b/libs/canvas/types.cc
@@ -1,129 +1,33 @@
-#include <algorithm>
-#include <cfloat>
-#include <cassert>
-#include "canvas/types.h"
-
-using namespace std;
-using namespace ArdourCanvas;
+/*
+    Copyright (C) 2011-2013 Paul Davis
+    Author: Carl Hetherington <cth@carlh.net>
 
-Coord const ArdourCanvas::COORD_MAX = DBL_MAX;
-/* XXX: empirically arrived at */
-Coord const ArdourCanvas::CAIRO_MAX = 65536;
+    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.
 
-static inline Coord
-safe_add (Coord a, Coord b)
-{
-	if (((COORD_MAX - a) <= b) || ((COORD_MAX - b) <= a)) {
-		return COORD_MAX;
-	}
-
-	return a + b;
-}
+    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.
 
-Duple
-Duple::translate (Duple t) const
-{
-	Duple d;
-
-	d.x = safe_add (x, t.x);
-	d.y = safe_add (y, t.y);
-	
-	return d;
-}
-
-boost::optional<Rect>
-Rect::intersection (Rect const & o) const
-{
-	Rect i;
-	
-	i.x0 = max (x0, o.x0);
-	i.y0 = max (y0, o.y0);
-	i.x1 = min (x1, o.x1);
-	i.y1 = min (y1, o.y1);
-
-	if (i.x0 > i.x1 || i.y0 > i.y1) {
-		return boost::optional<Rect> ();
-	}
-	
-	return boost::optional<Rect> (i);
-}
-
-Rect
-Rect::translate (Duple t) const
-{
-	Rect r;
-
-	r.x0 = safe_add (x0, t.x);
-	r.y0 = safe_add (y0, t.y);
-	r.x1 = safe_add (x1, t.x);
-	r.y1 = safe_add (y1, t.y);
-	return r;
-}
-
-Rect
-Rect::extend (Rect const & o) const
-{
-	Rect r;
-	r.x0 = min (x0, o.x0);
-	r.y0 = min (y0, o.y0);
-	r.x1 = max (x1, o.x1);
-	r.y1 = max (y1, o.y1);
-	return r;
-}
+    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.
+*/
 
-Rect
-Rect::expand (Distance amount) const
-{
-	Rect r;
-	r.x0 = x0 - amount;
-	r.y0 = y0 - amount;
-	r.x1 = safe_add (x1, amount);
-	r.y1 = safe_add (y1, amount);
-	return r;
-}
-
-bool
-Rect::contains (Duple point) const
-{
-	return point.x >= x0 && point.x <= x1 && point.y >= y0 && point.y <= y1;
-}
-
-Rect
-Rect::fix () const
-{
-	Rect r;
-	
-	r.x0 = min (x0, x1);
-	r.y0 = min (y0, y1);
-	r.x1 = max (x0, x1);
-	r.y1 = max (y0, y1);
-
-	return r;
-}
+#include <cfloat>
+#include <cassert>
 
-Duple
-ArdourCanvas::operator- (Duple const & o)
-{
-	return Duple (-o.x, -o.y);
-}
+#include <cairomm/context.h>
 
-Duple
-ArdourCanvas::operator+ (Duple const & a, Duple const & b)
-{
-	return Duple (safe_add (a.x, b.x), safe_add (a.y, b.y));
-}
+#include "canvas/types.h"
 
-Duple
-ArdourCanvas::operator- (Duple const & a, Duple const & b)
-{
-	return Duple (a.x - b.x, a.y - b.y);
-}
+using namespace std;
+using namespace ArdourCanvas;
 
-Duple
-ArdourCanvas::operator/ (Duple const & a, double b)
-{
-	return Duple (a.x / b, a.y / b);
-}
+Coord const ArdourCanvas::COORD_MAX = 1.7e307;
 
 ostream &
 ArdourCanvas::operator<< (ostream & s, Duple const & r)