Utilities.h

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/*

Copyright (c) 2017, Dr Franck P. Vidal (franck.p.vidal@fpvidal.net),
http://www.fpvidal.net/
All rights reserved.

Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation and/or
other materials provided with the distribution.

3. Neither the name of the Bangor University nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*/


#ifndef __Utilities_h
#define __Utilities_h


//******************************************************************************
//  Include
//******************************************************************************
#include <string>

#ifndef __gVirtualXRayConfig_h
#include "gVirtualXRay/gVirtualXRayConfig.h"
#endif


//******************************************************************************
//  namespace
//******************************************************************************
namespace gVirtualXRay {


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
int inflate(const void *src, int srcLen, char** apDst);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
int deflate(const void *src, int srcLen, char** apDst);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isMAT(const char* aFileName);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isDAT(const char* aFileName);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isTXT(const char* aFileName);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isPGM(const char* aFileName);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isRAW(const char* aFileName);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isMHA(const char* aFileName);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isMHD(const char* aFileName);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isDCM(const char* aFileName);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isJPEG(const char* aFileName);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isTIFF(const char* aFileName);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isMAT(const std::string& aFileName);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isDAT(const std::string& aFileName);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isTXT(const std::string& aFileName);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isPGM(const std::string& aFileName);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isRAW(const std::string& aFileName);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isMHA(const std::string& aFileName);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isMHD(const std::string& aFileName);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isDCM(const std::string& aFileName);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isJPEG(const std::string& aFileName);


//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool isTIFF(const std::string& aFileName);


bool checkExtension(const char* aFileName, const char* anExtension);


bool checkExtension(const std::string& aFileName,
                    const std::string& anExtension);


bool isBigEndian();


bool isLittleEndian();


bool isLetter(char aValue);


bool isUpperCase(char aValue);


bool isLowerCase(char aValue);


bool isNumber(char aValue);


template<typename T> void swapBytes(T& aValue);


template<typename T> T degreeToRadian(const T& aAngleInDegree);


template<typename T> T radianToDegree(const T& aAngleInRadian);


template <typename T> int sgn(const T& aValue);


double interpolate(const double& a_low,
    const double& a_high,
    const double& a0,
    const double& b_low,
    const double& b_high);


float interpolate(const float& a_low,
    const float& a_high,
    const float& a0,
    const float& b_low,
    const float& b_high);


} // namespace gVirtualXRay


//******************************************************************************
#include "Utilities.inl"


#endif // __Utilities_h