| 1 | /* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield |
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| 2 | * |
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| 3 | * This library is open source and may be redistributed and/or modified under |
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| 4 | * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or |
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| 5 | * (at your option) any later version. The full license is in LICENSE file |
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| 6 | * included with this distribution, and on the openscenegraph.org website. |
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| 7 | * |
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| 8 | * This library is distributed in the hope that it will be useful, |
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| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 11 | * OpenSceneGraph Public License for more details. |
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| 12 | */ |
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| 13 | |
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| 14 | #ifndef OSGUTIL_OPERATIONARRAYFUNCTOR |
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| 15 | #define OSGUTIL_OPERATIONARRAYFUNCTOR 1 |
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| 16 | |
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| 17 | |
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| 18 | #include <osg/Array> |
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| 19 | #include <osgUtil/ConvertVec> |
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| 20 | |
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| 21 | // ** template ArrayVisitor to handle all method in one template. |
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| 22 | // ** Only use when process done on each array could be templated |
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| 23 | |
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| 24 | namespace osgUtil { |
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| 25 | |
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| 26 | template <class T> |
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| 27 | class OperationArrayFunctor : public osg::ArrayVisitor, public T |
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| 28 | { |
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| 29 | public: |
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| 30 | |
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| 31 | virtual void apply(osg::Array&) {} |
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| 32 | // virtual void apply(osg::ByteArray& array) { T::process<osg::ByteArray>(array); } |
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| 33 | // virtual void apply(osg::ShortArray& array) { T::process(array); } |
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| 34 | // virtual void apply(osg::IntArray& array) { T::process<osg::IntArray>(array); } |
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| 35 | // virtual void apply(osg::UByteArray& array) { T::process<osg::UByteArray>(array); } |
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| 36 | // virtual void apply(osg::UShortArray& array) { T::process<osg::UShortArray>(array); } |
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| 37 | // virtual void apply(osg::UIntArray& array) { T::process<osg::UIntArray>(array); } |
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| 38 | // virtual void apply(osg::FloatArray& array) { T::process<osg::FloatArray>(array); } |
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| 39 | // virtual void apply(osg::DoubleArray& array) { T::process<osg::DoubleArray>(array); } |
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| 40 | |
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| 41 | virtual void apply(osg::Vec2Array & array) { T::process(array); } |
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| 42 | virtual void apply(osg::Vec3Array& array) { T::process(array); } |
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| 43 | virtual void apply(osg::Vec4Array& array) { T::process(array); } |
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| 44 | |
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| 45 | virtual void apply(osg::Vec4ubArray& array) { T::process(array); } |
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| 46 | |
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| 47 | virtual void apply(osg::Vec2bArray& array) { T::process(array); } |
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| 48 | virtual void apply(osg::Vec3bArray& array) { T::process(array); } |
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| 49 | virtual void apply(osg::Vec4bArray& array) { T::process(array); } |
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| 50 | |
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| 51 | virtual void apply(osg::Vec2sArray& array) { T::process(array); } |
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| 52 | virtual void apply(osg::Vec3sArray& array) { T::process(array); } |
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| 53 | virtual void apply(osg::Vec4sArray& array) { T::process(array); } |
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| 54 | |
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| 55 | virtual void apply(osg::Vec2dArray& array) { T::process(array); } |
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| 56 | virtual void apply(osg::Vec3dArray& array) { T::process(array); } |
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| 57 | virtual void apply(osg::Vec4dArray& array) { T::process(array); } |
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| 58 | }; |
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| 59 | |
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| 60 | struct AddRangeOperator |
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| 61 | { |
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| 62 | template <typename ArrayType> |
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| 63 | void process(ArrayType & array) |
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| 64 | { |
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| 65 | typedef typename ArrayType::ElementDataType ElementDataType; |
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| 66 | |
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| 67 | ElementDataType convertedVector; |
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| 68 | osgUtil::ConvertVec<osg::Vec3d, ElementDataType>::convert(_vector, convertedVector); |
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| 69 | |
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| 70 | typename ArrayType::iterator it = array.begin(); |
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| 71 | std::advance(it, _begin); |
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| 72 | |
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| 73 | typename ArrayType::iterator end = it; |
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| 74 | std::advance(end, _count); |
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| 75 | |
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| 76 | for (; it < end; ++it) |
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| 77 | (*it) += convertedVector; |
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| 78 | } |
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| 79 | |
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| 80 | unsigned int _begin; |
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| 81 | unsigned int _count; |
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| 82 | |
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| 83 | osg::Vec3d _vector; |
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| 84 | }; |
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| 85 | typedef OperationArrayFunctor<AddRangeOperator> AddRangeFunctor; |
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| 86 | |
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| 87 | struct MultiplyRangeOperator |
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| 88 | { |
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| 89 | template <typename ArrayType> |
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| 90 | void process(ArrayType & array) |
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| 91 | { |
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| 92 | typedef typename ArrayType::ElementDataType ElementDataType; |
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| 93 | |
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| 94 | ElementDataType convertedVector; |
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| 95 | osgUtil::ConvertVec<osg::Vec3d, ElementDataType>::convert(_vector, convertedVector); |
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| 96 | |
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| 97 | typename ArrayType::iterator it = array.begin(); |
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| 98 | std::advance(it, _begin); |
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| 99 | |
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| 100 | typename ArrayType::iterator end = it; |
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| 101 | std::advance(end, _count); |
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| 102 | |
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| 103 | for (; it < end; ++it) |
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| 104 | (*it) *= convertedVector; |
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| 105 | } |
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| 106 | |
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| 107 | unsigned int _begin; |
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| 108 | unsigned int _count; |
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| 109 | |
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| 110 | osg::Vec3d _vector; |
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| 111 | }; |
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| 112 | typedef OperationArrayFunctor<MultiplyRangeOperator> MultiplyRangeFunctor; |
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| 113 | |
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| 114 | } // end osgUtil namespace |
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| 115 | |
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| 116 | #endif // ** OPERATIONARRAYFUNCTOR ** // |
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