IMungeSamplesImageStreamData.h

//========================================================================================
// 
// $File$
// 
// Owner: jargast
// 
// $Author$
// 
// $DateTime$
// 
// $Revision$
// 
// $Change$
// 
// Copyright 1997-2010 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. If you have received
// this file from a source other than Adobe, then your use, modification, or 
// distribution of it requires the prior written permission of Adobe.
// 
// 
// Purpose:
// Data interface for the IMungeSamplesImageStream segment of the IImageStreamManager.
// This segment is used to strip extra channels from image data.
// 
//========================================================================================

#ifndef __IMungeSamplesImageStreamData__
#define __IMungeSamplesImageStreamData__

#include "IPMUnknown.h"

class IMungeSamplesImageStreamData : public IPMUnknown
{
public:
 typedef struct 
 {
 uint32 width; // number of pixels
 uint16 numChannels; // number of channels to skip
 uint16 extraChannels; // number of channels to strip
 int16 alphaIndex; // if >= 0 and alphaType is kPMAlphaAssociated, zero-based index of extra channel
 // to use as the alpha. If alphaType is kPMAlphaUnassociated, zero-based index
 // of extra channel to keep.
 uint32 colorSpace; // kPMGrayColorSpace, kPMRGBColorSpace, kPMCMYKColorSpace, kPMICCLabColorSpace
 uint32 alphaType; // type of data in the extra channels - either kPMAlphaAssociated or kPMAlphaUnassociated.
 // kPMAlphaAssociated will leave the color channels unchanged.
 // kPMAlphaUnassociated will multiply the color channels by the white alpha
 
 } MungeSamplesInfo;
 
 virtual void SetMungeSamplesInfo (const MungeSamplesInfo& mungeSamplesInfo) = 0;
 
 virtual void GetMungeSamplesInfo (MungeSamplesInfo* mungeSamplesInfo) const = 0;
};

#endif