xyzw.h

Go to the documentation of this file.

/** @file
 *  @author Bram de Greve (bramz@users.sourceforge.net)
 *  @author Tom De Muer (tomdemuer@users.sourceforge.net)
 *
 *  *** BEGIN LICENSE INFORMATION ***
 *  
 *  The contents of this file are subject to the Common Public Attribution License 
 *  Version 1.0 (the "License"); you may not use this file except in compliance with 
 *  the License. You may obtain a copy of the License at 
 *  http://lass.sourceforge.net/cpal-license. The License is based on the 
 *  Mozilla Public License Version 1.1 but Sections 14 and 15 have been added to cover 
 *  use of software over a computer network and provide for limited attribution for 
 *  the Original Developer. In addition, Exhibit A has been modified to be consistent 
 *  with Exhibit B.
 *  
 *  Software distributed under the License is distributed on an "AS IS" basis, WITHOUT 
 *  WARRANTY OF ANY KIND, either express or implied. See the License for the specific 
 *  language governing rights and limitations under the License.
 *  
 *  The Original Code is LASS - Library of Assembled Shared Sources.
 *  
 *  The Initial Developer of the Original Code is Bram de Greve and Tom De Muer.
 *  The Original Developer is the Initial Developer.
 *  
 *  All portions of the code written by the Initial Developer are:
 *  Copyright (C) 2004-2007 the Initial Developer.
 *  All Rights Reserved.
 *  
 *  Contributor(s):
 *
 *  Alternatively, the contents of this file may be used under the terms of the 
 *  GNU General Public License Version 2 or later (the GPL), in which case the 
 *  provisions of GPL are applicable instead of those above.  If you wish to allow use
 *  of your version of this file only under the terms of the GPL and not to allow 
 *  others to use your version of this file under the CPAL, indicate your decision by 
 *  deleting the provisions above and replace them with the notice and other 
 *  provisions required by the GPL License. If you do not delete the provisions above,
 *  a recipient may use your version of this file under either the CPAL or the GPL.
 *  
 *  *** END LICENSE INFORMATION ***
 */



/** @class lass::prim::XYZW
 *  @brief cyclic iterator over xyzw indices
 *  @author Bram de Greve [BdG]
 */

#ifndef LASS_GUARDIAN_OF_INCLUSION_PRIM_XYZW_H
#define LASS_GUARDIAN_OF_INCLUSION_PRIM_XYZW_H

#include "prim_common.h"
#include "../num/modulo.h"

namespace lass
{
namespace prim
{

class LASS_DLL XYZW
{
public:


    enum { dimension = 4 };

    XYZW();
    XYZW(char iAxis);
    explicit XYZW(int iValue);
    explicit XYZW(const std::string& iAxis);

    const char axis() const;
    operator int() const { return value_; } /**< convert axis to integer.
                                                        0 == @a x, 1 == @a y, 2 == @a z, 3 == @a w */

    XYZW& operator++();
    XYZW& operator--();
    XYZW operator++(int);
    XYZW operator--(int);

    XYZW& operator+=(int iOffset);
    XYZW& operator-=(int iOffset);

private:

    typedef num::Modulo<4, int> TValue;

    friend LASS_DLL bool LASS_CALL operator==(const XYZW& iA, const XYZW& iB);

    void reset(char iAxis);

    TValue value_;
};

LASS_DLL bool LASS_CALL operator==(const XYZW& iA, const XYZW& iB);
LASS_DLL bool LASS_CALL operator==(const XYZW& iA, char iB);
LASS_DLL bool LASS_CALL operator==(char iA, const XYZW& iB);
LASS_DLL bool LASS_CALL operator==(const XYZW& iA, const std::string& iB);
LASS_DLL bool LASS_CALL operator==(const std::string& iA, const XYZW& iB);

LASS_DLL bool LASS_CALL operator!=(const XYZW& iA, const XYZW& iB);
LASS_DLL bool LASS_CALL operator!=(const XYZW& iA, char iB);
LASS_DLL bool LASS_CALL operator!=(char iA, const XYZW& iB);
LASS_DLL bool LASS_CALL operator!=(const XYZW& iA, const std::string&  iB);
LASS_DLL bool LASS_CALL operator!=(const std::string&  iA, const XYZW& iB);

LASS_DLL XYZW LASS_CALL operator+(const XYZW& iA, int iOffset);
LASS_DLL XYZW LASS_CALL operator-(const XYZW& iA, int iOffset);

/** @relates lass::prim::XY
 */
template <typename Char, typename Traits>
std::basic_ostream<Char, Traits>& operator<<(std::basic_ostream<Char, Traits>& ioS, const XYZW& iXYZW)
{
    ioS << iXYZW.axis();
    return ioS;
}



}

}

#define LASS_PRIM_HAVE_PY_EXPORT_TRAITS_XYZW
#ifdef LASS_GUARDIAN_OF_INCLUSION_UTIL_PYOBJECT_PLUS_H
#   include "pyobject_util.h"
#endif

#endif

// EOF