75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSGTERRAIN_VALIDDATAOPERATOR
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#define OSGTERRAIN_VALIDDATAOPERATOR 1
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#include <osg/Referenced>
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#include <osg/Vec2>
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#include <osg/Vec3>
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#include <osg/Vec4>
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#include <osgTerrain/Export>
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namespace osgTerrain {
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struct ValidDataOperator : public osg::Referenced
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{
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virtual bool operator() (float value) const { return true; }
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virtual bool operator() (const osg::Vec2& value) const { return operator()(value.x()) && operator()(value.y()) ; }
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virtual bool operator() (const osg::Vec3& value) const { return operator()(value.x()) && operator()(value.y()) && operator()(value.z()); }
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virtual bool operator() (const osg::Vec4& value) const { return operator()(value.x()) && operator()(value.y()) && operator()(value.z()) && operator()(value.w()); }
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};
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struct ValidRange : public ValidDataOperator
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{
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ValidRange(float minValue, float maxValue):
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_minValue(minValue),
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_maxValue(maxValue) {}
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void setRange(float minValue, float maxValue)
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{
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_minValue = minValue;
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_maxValue = maxValue;
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}
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void setMinValue(float minValue) { _minValue = minValue; }
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float getMinValue() const { return _minValue; }
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void setMaxValue(float maxValue) { _maxValue = maxValue; }
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float getMaxValue() const { return _maxValue; }
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virtual bool operator() (float value) const { return value>=_minValue && value<=_maxValue; }
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float _minValue, _maxValue;
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};
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struct NoDataValue : public ValidDataOperator
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{
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NoDataValue(float value):
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_value(value) {}
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void setNoDataValue(float value) { _value = value; }
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float getValue() const { return _value; }
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virtual bool operator() (float value) const { return value!=_value; }
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float _value;
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};
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}
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#endif
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