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// -*- c++ -*-
/* $Id: region.ccg,v 1.1 2003/01/21 13:38:38 murrayc Exp $ */
/*
*
* Copyright 1998-2002 The gtkmm Development Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <gdk/gdkregion.h>
namespace Gdk
{
Region::Region(const Glib::ArrayHandle<Gdk::Point>& points, FillRule fill_rule)
:
// The dangerous-looking cast to GdkPoint* works, because Gdk::Point
// has only one member variable of type GdkPoint, and no vtable. Please
// don't copy this code, casts like that won't work with most other types.
gobject_ (gdk_region_polygon(
reinterpret_cast<GdkPoint*>(const_cast<Gdk::Point*>(points.data())),
points.size(), (GdkFillRule)(fill_rule)))
{}
Region::Region(const Rectangle& rectangle)
:
gobject_ (gdk_region_rectangle(const_cast<GdkRectangle*>(rectangle.gobj())))
{}
Glib::ArrayHandle<Rectangle> Region::get_rectangles() const
{
GdkRectangle* rectangles = 0;
int n_rectangles = 0;
gdk_region_get_rectangles(gobject_, &rectangles, &n_rectangles);
// The dangerous-looking cast to Rectangle* works, because Gdk::Rectangle
// has only one member variable of type GdkRectangle, and no vtable. Please
// don't copy this code, casts like that won't work with most other types.
return Glib::ArrayHandle<Rectangle>(
reinterpret_cast<Rectangle*>(rectangles), n_rectangles, Glib::OWNERSHIP_SHALLOW);
}
} // namespace Gdk
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