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/*****************************************************************************/
// Copyright 2006 Adobe Systems Incorporated
// All Rights Reserved.
//
// NOTICE: Adobe permits you to use, modify, and distribute this file in
// accordance with the terms of the Adobe license agreement accompanying it.
/*****************************************************************************/
/* $Id: //mondo/dng_sdk_1_4/dng_sdk/source/dng_orientation.h#1 $ */
/* $DateTime: 2012/05/30 13:28:51 $ */
/* $Change: 832332 $ */
/* $Author: tknoll $ */
/******************************************************************************/
#ifndef __dng_orientation__
#define __dng_orientation__
/******************************************************************************/
#include "dng_types.h"
/******************************************************************************/
class dng_orientation
{
private:
// We internally use an orientation encoding ("Adobe") that is
// different than the TIFF orientation encoding ("TIFF").
uint32 fAdobeOrientation;
public:
enum
{
kNormal = 0,
kRotate90CW = 1,
kRotate180 = 2,
kRotate90CCW = 3,
kMirror = 4,
kMirror90CW = 5,
kMirror180 = 6,
kMirror90CCW = 7,
kUnknown = 8
};
dng_orientation ()
: fAdobeOrientation (kNormal)
{
}
void SetAdobe (uint32 adobe)
{
fAdobeOrientation = adobe;
}
uint32 GetAdobe () const
{
return fAdobeOrientation;
}
void SetTIFF (uint32 tiff);
uint32 GetTIFF () const;
static dng_orientation AdobeToDNG (uint32 adobe)
{
dng_orientation result;
result.SetAdobe (adobe);
return result;
}
static dng_orientation TIFFtoDNG (uint32 tiff)
{
dng_orientation result;
result.SetTIFF (tiff);
return result;
}
static dng_orientation Normal ()
{
return AdobeToDNG (kNormal);
}
static dng_orientation Rotate90CW ()
{
return AdobeToDNG (kRotate90CW);
}
static dng_orientation Rotate180 ()
{
return AdobeToDNG (kRotate180);
}
static dng_orientation Rotate90CCW ()
{
return AdobeToDNG (kRotate90CCW);
}
static dng_orientation Mirror ()
{
return AdobeToDNG (kMirror);
}
static dng_orientation Mirror90CW ()
{
return AdobeToDNG (kMirror90CW);
}
static dng_orientation Mirror180 ()
{
return AdobeToDNG (kMirror180);
}
static dng_orientation Mirror90CCW ()
{
return AdobeToDNG (kMirror90CCW);
}
static dng_orientation Unknown ()
{
return AdobeToDNG (kUnknown);
}
bool IsValid () const
{
return fAdobeOrientation < kUnknown;
}
bool NotValid () const
{
return !IsValid ();
}
bool FlipD () const;
bool FlipH () const;
bool FlipV () const;
bool operator== (const dng_orientation &b) const
{
return fAdobeOrientation == b.fAdobeOrientation;
}
bool operator!= (const dng_orientation &b) const
{
return !(*this == b);
}
dng_orientation operator- () const;
dng_orientation operator+ (const dng_orientation &b) const;
dng_orientation operator- (const dng_orientation &b) const
{
return (*this) + (-b);
}
void operator+= (const dng_orientation &b)
{
*this = *this + b;
}
void operator-= (const dng_orientation &b)
{
*this = *this - b;
}
};
/******************************************************************************/
#endif
/******************************************************************************/