dust3d/thirdparty/cgal/CGAL-4.13/include/CGAL/Qt/utility_impl.h

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// Copyright (c) 2008 GeometryFactory Sarl (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
// 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 3 of the License, or (at your option) any later version.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
// SPDX-License-Identifier: GPL-3.0+
//
//
// Author(s) : Andreas Fabri <Andreas.Fabri@geometryfactory.com>
// Laurent Rineau <Laurent.Rineau@geometryfactory.com>
#ifdef CGAL_HEADER_ONLY
#define CGAL_INLINE_FUNCTION inline
#include <CGAL/license/GraphicsView.h>
#else
#define CGAL_INLINE_FUNCTION
#endif
#include <CGAL/Qt/utility.h>
#include <QGraphicsScene>
#include <QGraphicsView>
#include <QList>
#include <QPoint>
#include <QPointF>
namespace CGAL {
namespace Qt {
CGAL_INLINE_FUNCTION
QRectF mapToScene(const QGraphicsView* v, const QRect rect)
{
QPointF top_left = v->mapToScene(rect.topLeft());
QPointF size = v->mapToScene(rect.bottomRight());
size -= top_left;
return QRectF(top_left.x(),
top_left.y(),
size.x(),
size.y());
}
CGAL_INLINE_FUNCTION
QRectF viewportsBbox(const QGraphicsScene* scene) {
QRectF rect;
Q_FOREACH(QGraphicsView* view, scene->views())
{
rect |= mapToScene(view, view->viewport()->rect());
}
rect = rect.normalized();
return rect;
}
} // namespace Qt
} // namespace CGAL