First checkin for OpenMesh 2.0
git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@2 fdac6126-5c0c-442c-9429-916003d36597
This commit is contained in:
Jan Möbius
393
Tools/Kernel_OSG/PropertyT.hh
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393
Tools/Kernel_OSG/PropertyT.hh
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/*===========================================================================*\
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* *
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* OpenMesh *
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* Copyright (C) 2001-2003 by Computer Graphics Group, RWTH Aachen *
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* www.openmesh.org *
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* *
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*---------------------------------------------------------------------------*
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* *
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* License *
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* *
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* This library is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as published *
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* by the Free Software Foundation, version 2.1. *
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* *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library; if not, write to the Free Software *
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
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* *
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\*===========================================================================*/
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#ifndef OPENMESH_KERNEL_OSG_PROPERTYT_HH
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#define OPENMESH_KERNEL_OSG_PROPERTYT_HH
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//== INCLUDES =================================================================
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#include <OpenMesh/Core/Attributes/Attributes.hh>
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#include <OpenMesh/Core/Mesh/Kernels/Common/BaseKernel.hh>
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#include <OpenMesh/Core/Utils/GenProg.hh>
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#include <OpenMesh/Core/Utils/Property.hh>
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//
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#include <OpenSG/OSGGeometry.h>
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//
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#include <stdexcept>
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#include <vector>
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//== NAMESPACES ===============================================================
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namespace OpenMesh {
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namespace Kernel_OSG {
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//== CLASS DEFINITION =========================================================
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// ----------------------------------------------------------------------------
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/** Property adaptor for OpenSG GeoProperties
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*
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* This class bridges the interfaces of %OpenMesh properties and
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* OpenSG GeoProperties. The PropertyKernelT uses these adaptors to
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* add all necessary property functions to the kernel, while the
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* AttribKernelT extends the kernel with the standard properites.
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* Finally the ArrayKernelT completes the kernel build with a specialized
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* version of the garbage collections since the GeoIndices require
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* special handling.
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*
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* \attention Data will be shared with a geometry core when linking
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* a mesh with a OpenSG geometry node using Kernel_OSG::bind.
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* \internal
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*/
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template <typename GeoProperty>
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class oPropertyT : public BaseProperty
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{
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public:
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// Type of the encapsulated OpenSG Geometry Property
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typedef GeoProperty property_t;
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typedef typename property_t::PtrType property_ptr_t;
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typedef typename property_t::StoredFieldType field_t;
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typedef typename field_t::StoredType element_t;
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typedef typename field_t::StoredType value_type;
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public:
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//
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oPropertyT( property_ptr_t _geo_prop,
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const std::string& _name = "<unknown>" )
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: BaseProperty(_name), data_( _geo_prop )
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{
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osg_init_check();
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}
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//
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oPropertyT( const std::string& _name = "<unknown>" )
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: BaseProperty(_name), data_(NULL)
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{
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data_ = property_t::create();
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// make sure data_ is not null. In that case most probably
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// osg::osgInit() hasn't been executed!
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osg_init_check();
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}
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///
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virtual ~oPropertyT()
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{ }
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public:
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oPropertyT& operator = (const oPropertyT& _rhs )
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{
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// Shallow copy! Remember, data_ is a osg pointer type, and the assign
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// operator makes a shallow copy!
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data_ = _rhs.data_;
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return *this;
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}
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public: // interface BaseProperty
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virtual void reserve(size_t _n) { data_->getField().reserve( _n ); }
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virtual void resize(size_t _n) { data_->resize( _n ); }
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virtual void push_back() { data_->resize( data_->size()+1 ); }
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virtual void swap(size_t _i0, size_t _i1)
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{ std::swap( data_->getField()[_i0], data_->getField()[_i1] ); }
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virtual oPropertyT<property_t>* clone() const
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{
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oPropertyT<property_t> *dolly = new oPropertyT<property_t>();
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if (n_elements() > 0)
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{
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// OSGGeoProperty does not provide a deep copy
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dolly->resize(n_elements());
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element_t *begin = const_cast<element_t*>(data());
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element_t *end = begin+n_elements();
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element_t *dst = const_cast<element_t*>(dolly->data());
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std::copy( begin, end, dst );
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}
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return dolly;
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}
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public:
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virtual void set_persistent( bool _yn )
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{
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check_and_set_persistent<element_t>(_yn);
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}
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virtual size_t n_elements() const
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{ return data_==osg::NullFC ? UnknownSize : data_->getSize(); }
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virtual size_t element_size() const
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{ return UnknownSize; }
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virtual size_t store( std::ostream& _ostr, bool _swap ) const
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{ return 0; }
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virtual size_t restore( std::istream& _istr, bool _swap )
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{ return 0; }
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public: // OpenSG GeoPropertyInterface compatibility
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void clear(void) { data_->clear(); }
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public: // access to OpenSG GeoProperty
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property_ptr_t& osg_ptr()
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{ return data_; }
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const property_ptr_t& osg_ptr() const
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{ return data_; }
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const element_t *data() const
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{ return &( (*this)[ 0 ] ); }
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element_t& operator[](size_t idx)
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{ return data_->getField()[ idx ]; }
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const element_t& operator[](size_t idx) const
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{ return data_->getField()[ idx ]; }
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protected:
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property_ptr_t data_;
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private:
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void osg_init_check(void)
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{
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// make sure data_ is not null. In that case most probably
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// osg::osgInit() hasn't been executed!
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if ( data_ == osg::NullFC )
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throw std::logic_error("OpenSG Runtime Environment is not initialized: " \
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"Use osg::osgInit()");
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}
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oPropertyT( const oPropertyT& );
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};
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// ----------------------------------------------------------------- class ----
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// ------------------------------------------------------------ properties ----
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/// OpenSG Vertex Properties Adaptors.
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namespace VP {
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// ---------------------------------------- Positions
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/// \name GeoPositions
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//@{
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/// Adaptor for osg::GeoPositions
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typedef oPropertyT< osg::GeoPositions2d > GeoPositions2d;
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typedef oPropertyT< osg::GeoPositions2f > GeoPositions2f;
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typedef oPropertyT< osg::GeoPositions3d > GeoPositions3d;
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typedef oPropertyT< osg::GeoPositions3f > GeoPositions3f;
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typedef oPropertyT< osg::GeoPositions4d > GeoPositions4d;
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typedef oPropertyT< osg::GeoPositions4f > GeoPositions4f;
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//@}
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// ---------------------------------------- Normals
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/// \name GeoNormals
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//@{
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/// Adaptor for osg::GeoNormals
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typedef oPropertyT< osg::GeoNormals3f > GeoNormals3f;
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//@}
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// ---------------------------------------- TexCoords
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/// \name GeoTexCoords
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//@{
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/// Adaptor for osg::GeoTexCoords
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typedef oPropertyT< osg::GeoTexCoords1f > GeoTexCoords1f;
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typedef oPropertyT< osg::GeoTexCoords2f > GeoTexCoords2f;
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typedef oPropertyT< osg::GeoTexCoords3f > GeoTexCoords3f;
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//@}
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// ---------------------------------------- Colors
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/// \name GeoColors
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//@{
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/// Adaptor for osg::GeoColors
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typedef oPropertyT< osg::GeoColors3f > GeoColors3f;
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typedef oPropertyT< osg::GeoColors3ub > GeoColors3ub;
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typedef oPropertyT< osg::GeoColors4f > GeoColors4f;
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typedef oPropertyT< osg::GeoColors4ub > GeoColors4ub;
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//@}
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} // namespace VP
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/// OpenSG Face Properties Adaptors.
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namespace FP {
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// ---------------------------------------- Types
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/// Adaptor for osg::GeoPTypesUI8
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typedef oPropertyT< osg::GeoPTypesUI8 > GeoPTypesUI8;
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// ---------------------------------------- Lengths
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/// Adaptor for osg::GeoPLengthsUI32
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typedef oPropertyT< osg::GeoPLengthsUI32 > GeoPLengthsUI32;
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// ---------------------------------------- Indices
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typedef oPropertyT< osg::GeoIndicesUI32 > _GeoIndicesUI32;
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/// Adaptor for osg::GeoIndicesUI32
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template < typename IsTriMesh >
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class GeoIndicesUI32 : public _GeoIndicesUI32
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{
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public: // ---------------------------------------- typedefs
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typedef _GeoIndicesUI32 inherited_t;
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typedef typename inherited_t::property_ptr_t property_ptr_t;
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public: // ---------------------------------------- ctor/dtor
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GeoIndicesUI32( property_ptr_t _geo_prop,
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GeoPTypesUI8& _types,
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GeoPLengthsUI32& _lengths)
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: inherited_t( _geo_prop ), types_(_types), length_(_lengths)
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{ }
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GeoIndicesUI32( GeoPTypesUI8& _types,
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GeoPLengthsUI32& _lengths)
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: inherited_t(), types_(_types), length_(_lengths)
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{ }
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virtual ~GeoIndicesUI32()
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{ }
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public: // ---------------------------------------- inherited
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void swap(size_t _i0, size_t _i1) { _swap( _i0, _i1, IsTriMesh() ); }
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virtual void reserve(size_t _n) { _reserve( _n, IsTriMesh() ); }
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virtual void resize(size_t _n) { _resize( _n, IsTriMesh() ); }
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protected: // ------------------------------------- swap
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void _swap(size_t _i0, size_t _i1, GenProg::False )
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{
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omerr() << "Unsupported mesh type!" << std::endl;
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assert(0);
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}
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void _swap(size_t _i0, size_t _i1, GenProg::True )
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{
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size_t j0 = _i0 + _i0 + _i0;
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size_t j1 = _i1 + _i1 + _i1;
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inherited_t::swap( j0, j1 );
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inherited_t::swap( ++j0, ++j1 );
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inherited_t::swap( ++j0, ++j1 );
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}
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virtual void _reserve(size_t _n, GenProg::True )
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{ inherited_t::reserve( _n + _n + _n ); }
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virtual void _reserve(size_t _n, GenProg::False )
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{ assert( false ); }
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virtual void _resize(size_t _n, GenProg::True )
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{ inherited_t::resize( _n + _n + _n ); }
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virtual void _resize(size_t _n, GenProg::False )
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{ assert( false ); }
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protected:
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GeoPTypesUI8 &types_;
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GeoPLengthsUI32 &length_;
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};
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} // namespace FP
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// ----------------------------------------------------------------------------
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#ifndef DOXY_IGNORE_THIS
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template <typename T> struct _t2vp;
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template <> struct _t2vp< osg::Pnt2f >
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{ typedef osg::GeoPositions2f type; typedef VP::GeoPositions2f prop; };
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template <> struct _t2vp< osg::Pnt3f >
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{ typedef osg::GeoPositions3f type; typedef VP::GeoPositions3f prop; };
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template <> struct _t2vp< osg::Pnt4f >
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{ typedef osg::GeoPositions4f type; typedef VP::GeoPositions4f prop; };
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template <> struct _t2vp< osg::Pnt2d >
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{ typedef osg::GeoPositions2d type; typedef VP::GeoPositions2d prop; };
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template <> struct _t2vp< osg::Pnt3d >
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{ typedef osg::GeoPositions3d type; typedef VP::GeoPositions3d prop; };
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template <> struct _t2vp< osg::Pnt4d >
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{ typedef osg::GeoPositions4d type; typedef VP::GeoPositions4d prop; };
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template <typename T> struct _t2vn;
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template <> struct _t2vn< osg::Vec3f >
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{ typedef osg::GeoNormals3f type; typedef VP::GeoNormals3f prop; };
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template <typename T> struct _t2vc;
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template <> struct _t2vc< osg::Color3f >
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{ typedef osg::GeoColors3f type; typedef VP::GeoColors3f prop; };
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template <> struct _t2vc< osg::Color4f >
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{ typedef osg::GeoColors4f type; typedef VP::GeoColors4f prop; };
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template <> struct _t2vc< osg::Color3ub >
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{ typedef osg::GeoColors3ub type; typedef VP::GeoColors3ub prop; };
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template <> struct _t2vc< osg::Color4ub >
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{ typedef osg::GeoColors4ub type; typedef VP::GeoColors3ub prop; };
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template <typename T> struct _t2vtc;
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template <> struct _t2vtc< osg::Vec2f >
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{ typedef osg::GeoTexCoords2f type; typedef VP::GeoTexCoords2f prop; };
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template <> struct _t2vtc< osg::Vec3f >
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{ typedef osg::GeoTexCoords3f type; typedef VP::GeoTexCoords3f prop; };
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#endif
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//=============================================================================
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} // namespace Kernel_OSG
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} // namespace OpenMesh
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//=============================================================================
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#endif // OPENMESH_PROPERTYT_HH defined
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//=============================================================================
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