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Diffstat (limited to 'basegfx/inc/basegfx/range/b2ibox.hxx')
| -rw-r--r-- | basegfx/inc/basegfx/range/b2ibox.hxx | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/basegfx/inc/basegfx/range/b2ibox.hxx b/basegfx/inc/basegfx/range/b2ibox.hxx new file mode 100644 index 000000000000..1e2c790dc51d --- /dev/null +++ b/basegfx/inc/basegfx/range/b2ibox.hxx @@ -0,0 +1,254 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef _BGFX_RANGE_B2IBOX_HXX +#define _BGFX_RANGE_B2IBOX_HXX + +#include <basegfx/point/b2ipoint.hxx> +#include <basegfx/point/b2dpoint.hxx> +#include <basegfx/tuple/b2ituple.hxx> +#include <basegfx/tuple/b2i64tuple.hxx> +#include <basegfx/range/basicbox.hxx> +#include <vector> + + +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 ); + } + + B2IBox(const B2IBox& rBox) : + maRangeX(rBox.maRangeX), + maRangeY(rBox.maRangeY) + { + } + + bool isEmpty() const + { + return maRangeX.isEmpty() || maRangeY.isEmpty(); + } + + void reset() + { + maRangeX.reset(); + maRangeY.reset(); + } + + 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); + } + + void operator=(const B2IBox& rBox) + { + 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(); + } + + B2IPoint getMinimum() const + { + return B2IPoint( + maRangeX.getMinimum(), + maRangeY.getMinimum() + ); + } + + B2IPoint getMaximum() const + { + return B2IPoint( + maRangeX.getMaximum(), + maRangeY.getMaximum() + ); + } + + B2I64Tuple getRange() const + { + return B2I64Tuple( + maRangeX.getRange(), + maRangeY.getRange() + ); + } + + B2DPoint getCenter() const + { + return B2DPoint( + maRangeX.getCenter(), + maRangeY.getCenter() + ); + } + + bool isInside(const B2ITuple& rTuple) const + { + return ( + maRangeX.isInside(rTuple.getX()) + && maRangeY.isInside(rTuple.getY()) + ); + } + + bool isInside(const B2IBox& rBox) const + { + return ( + maRangeX.isInside(rBox.maRangeX) + && maRangeY.isInside(rBox.maRangeY) + ); + } + + bool overlaps(const B2IBox& rBox) const + { + return ( + maRangeX.overlaps(rBox.maRangeX) + && maRangeY.overlaps(rBox.maRangeY) + ); + } + + void expand(const B2ITuple& rTuple) + { + maRangeX.expand(rTuple.getX()); + maRangeY.expand(rTuple.getY()); + } + + void expand(const B2IBox& rBox) + { + maRangeX.expand(rBox.maRangeX); + maRangeY.expand(rBox.maRangeY); + } + + void intersect(const B2IBox& rBox) + { + maRangeX.intersect(rBox.maRangeX); + maRangeY.intersect(rBox.maRangeY); + } + + void grow(sal_Int32 nValue) + { + maRangeX.grow(nValue); + maRangeY.grow(nValue); + } + + private: + BasicBox maRangeX; + BasicBox maRangeY; + }; + + /** Compute the set difference of the two given boxes + + This method calculates the symmetric difference (aka XOR) + between the two given boxes, and returning the resulting + boxes. Thus, the result will contain all areas where one, but + not both boxes lie. + + @param o_rResult + Result vector. The up to four difference boxes are returned + within this vector + + @param rFirst + The first box + + @param rSecond + The second box + + @return the input vector + */ + ::std::vector< B2IBox >& computeSetDifference( ::std::vector< B2IBox >& o_rResult, + const B2IBox& rFirst, + const B2IBox& rSecond ); + +} // end of namespace basegfx + +#endif /* _BGFX_RANGE_B2IBOX_HXX */ + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |