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ImfMisc.h

///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC
// 
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// *       Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// *       Redistributions in binary form must reproduce the above
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// in the documentation and/or other materials provided with the
// distribution.
// *       Neither the name of Industrial Light & Magic 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
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///////////////////////////////////////////////////////////////////////////



#ifndef INCLUDED_IMF_MISC_H
#define INCLUDED_IMF_MISC_H

//-----------------------------------------------------------------------------
//
//    Miscellaneous image file related stuff
//
//-----------------------------------------------------------------------------

#include <ImfPixelType.h>
#include <vector>

namespace Imf {

class Header;


int   pixelTypeSize (PixelType type);

size_t      bytesPerLineTable (const Header &header,
                       std::vector<size_t> &bytesPerLine);

void  offsetInLineBufferTable (const std::vector<size_t> &bytesPerLine,
                         int linesInLineBuffer,
                         std::vector<size_t> &offsetInLineBuffer);

int   lineBufferMinY (int y, int minY, int linesInLineBuffer);
int   lineBufferMaxY (int y, int minY, int linesInLineBuffer);


} // namespace Imf

#endif

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