/************************************************************************* * * 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 * * for a copy of the LGPLv3 License. * ************************************************************************/ #ifndef _BGFX_RANGE_RANGEEXPANDER_HXX #define _BGFX_RANGE_RANGEEXPANDER_HXX #include #include #include #include #include #include namespace basegfx { /** Generic functor for expanding a range with a number of other ranges. Since *Range::expand() is overloaded, straight-forward application of ::boost::bind and friends fails (because of ambiguities). Thus, this functor template can be used, to expand the given range with a number of other ranges, passed in at the function operator. @tpl RangeType Range type to operate with. Preferrably, one of B1*Range, B2*Range, or B3*Range. */ template< typename RangeType > class RangeExpander { public: typedef RangeType ValueType; typedef void result_type; explicit RangeExpander( ValueType& rBounds ) : mrBounds( rBounds ) { } void operator()( const ValueType& rBounds ) { mrBounds.expand( rBounds ); } private: ValueType& mrBounds; }; typedef RangeExpander< B1DRange > B1DRangeExpander; typedef RangeExpander< B1IRange > B1IRangeExpander; typedef RangeExpander< B2DRange > B2DRangeExpander; typedef RangeExpander< B2IRange > B2IRangeExpander; typedef RangeExpander< B3DRange > B3DRangeExpander; typedef RangeExpander< B3IRange > B3IRangeExpander; } // end of namespace basegfx #endif /* _BGFX_RANGE_RANGEEXPANDER_HXX */