b2ibox.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
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 */
 
#pragma once
 
#include <ostream>
 
#include <basegfx/tuple/b2ituple.hxx>
#include <basegfx/range/basicbox.hxx>
 
namespace basegfx
{
    class B2IBox
    {
    public:
        typedef sal_Int32       ValueType;
        typedef Int32Traits     TraitsType;
 
        B2IBox() {}
 
        explicit B2IBox(const B2ITuple& rTuple)
        :   maRangeX(rTuple.getX()),
            maRangeY(rTuple.getY())
        {
        }
 
        B2IBox(sal_Int32 x1,
               sal_Int32 y1,
               sal_Int32 x2,
               sal_Int32 y2) :
            maRangeX(x1),
            maRangeY(y1)
        {
            maRangeX.expand(x2);
            maRangeY.expand(y2);
        }
 
        B2IBox(const B2ITuple& rTuple1,
               const B2ITuple& rTuple2) :
            maRangeX(rTuple1.getX()),
            maRangeY(rTuple1.getY())
        {
            expand( rTuple2 );
        }
 
        bool isEmpty() const
        {
            return maRangeX.isEmpty() || maRangeY.isEmpty();
        }
 
        bool operator==( const B2IBox& rBox ) const
        {
            return (maRangeX == rBox.maRangeX
                && maRangeY == rBox.maRangeY);
        }
 
        bool operator!=( const B2IBox& rBox ) const
        {
            return (maRangeX != rBox.maRangeX
                || maRangeY != rBox.maRangeY);
        }
 
        sal_Int32 getMinX() const
        {
            return maRangeX.getMinimum();
        }
 
        sal_Int32 getMinY() const
        {
            return maRangeY.getMinimum();
        }
 
        sal_Int32 getMaxX() const
        {
            return maRangeX.getMaximum();
        }
 
        sal_Int32 getMaxY() const
        {
            return maRangeY.getMaximum();
        }
 
        sal_Int64 getWidth() const
        {
            return maRangeX.getRange();
        }
 
        sal_Int64 getHeight() const
        {
            return maRangeY.getRange();
        }
 
        bool isInside(const B2ITuple& rTuple) const
        {
            return (
                maRangeX.isInside(rTuple.getX())
                && maRangeY.isInside(rTuple.getY())
                );
        }
 
        void expand(const B2ITuple& rTuple)
        {
            maRangeX.expand(rTuple.getX());
            maRangeY.expand(rTuple.getY());
        }
 
        void intersect(const B2IBox& rBox)
        {
            maRangeX.intersect(rBox.maRangeX);
            maRangeY.intersect(rBox.maRangeY);
        }
 
    private:
        BasicBox        maRangeX;
        BasicBox        maRangeY;
    };
 
} // end of namespace basegfx
 
template< typename charT, typename traits >
inline std::basic_ostream<charT, traits> & operator <<(
    std::basic_ostream<charT, traits> & stream, const basegfx::B2IBox& box )
{
    if (box.isEmpty())
        return stream << "EMPTY";
    else
        return stream << box.getWidth() << 'x' << box.getHeight()
                      << "@(" << box.getMinX() << "," << box.getMinY() << ")";
}
 
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