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