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Diffstat (limited to 'basegfx/inc/basegfx/range/rangeexpander.hxx')
-rw-r--r-- | basegfx/inc/basegfx/range/rangeexpander.hxx | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/basegfx/inc/basegfx/range/rangeexpander.hxx b/basegfx/inc/basegfx/range/rangeexpander.hxx new file mode 100644 index 000000000000..e1dce0c2821d --- /dev/null +++ b/basegfx/inc/basegfx/range/rangeexpander.hxx @@ -0,0 +1,86 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2008 by Sun Microsystems, Inc. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: rangeexpander.hxx,v $ + * $Revision: 1.4 $ + * + * 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_RANGEEXPANDER_HXX +#define _BGFX_RANGE_RANGEEXPANDER_HXX + +#include <basegfx/range/b1drange.hxx> +#include <basegfx/range/b1irange.hxx> +#include <basegfx/range/b2drange.hxx> +#include <basegfx/range/b2irange.hxx> +#include <basegfx/range/b3drange.hxx> +#include <basegfx/range/b3irange.hxx> + +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 */ |