#include <algorithm>
#include <cfloat>
#include <cassert>
+
+#include <cairomm/context.h>
+
#include "canvas/types.h"
using namespace std;
using namespace ArdourCanvas;
-Coord const ArdourCanvas::COORD_MAX = DBL_MAX;
-/* XXX: empirically arrived at */
-Coord const ArdourCanvas::CAIRO_MAX = 65536;
+Coord const ArdourCanvas::COORD_MAX = 1.7e307;
static inline Coord
safe_add (Coord a, Coord b)
return r;
}
+Rect
+Rect::convert_to_device (Cairo::RefPtr<Cairo::Context> c) const
+{
+ Coord xa, ya, xb, yb;
+
+ xa = x0;
+ xb = x1;
+ ya = y0;
+ yb = y1;
+
+ c->user_to_device (xa, ya);
+ c->user_to_device (xb, yb);
+
+ return Rect (xa, ya, xb, yb);
+}
+
+
+Rect
+Rect::convert_to_user (Cairo::RefPtr<Cairo::Context> c) const
+{
+ Coord xa, ya, xb, yb;
+
+ xa = x0;
+ xb = x1;
+ ya = y0;
+ yb = y1;
+
+ c->device_to_user (xa, ya);
+ c->device_to_user (xb, yb);
+
+ return Rect (xa, ya, xb, yb);
+}
+
Duple
ArdourCanvas::operator- (Duple const & o)
{
return Duple (safe_add (a.x, b.x), safe_add (a.y, b.y));
}
+bool
+ArdourCanvas::operator== (Duple const & a, Duple const & b)
+{
+ return a.x == b.x && a.y == b.y;
+}
+
Duple
ArdourCanvas::operator- (Duple const & a, Duple const & b)
{