/usr/include/OpenEXR/ImfB44Compressor.h is in libopenexr-dev 2.2.0-10ubuntu2.
This file is owned by root:root, with mode 0o644.
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//
// Copyright (c) 2006, 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
// copyright notice, this list of conditions and the following disclaimer
// 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
// "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
// OWNER 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 INCLUDED_IMF_B44_COMPRESSOR_H
#define INCLUDED_IMF_B44_COMPRESSOR_H
//-----------------------------------------------------------------------------
//
// class B44Compressor -- lossy compression of 4x4 pixel blocks
//
//-----------------------------------------------------------------------------
#include "ImfCompressor.h"
#include "ImfNamespace.h"
#include "ImfExport.h"
#include "ImfForward.h"
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
class IMF_EXPORT B44Compressor: public Compressor
{
public:
B44Compressor (const Header &hdr,
size_t maxScanLineSize,
size_t numScanLines,
bool optFlatFields);
virtual ~B44Compressor ();
virtual int numScanLines () const;
virtual Format format () const;
virtual int compress (const char *inPtr,
int inSize,
int minY,
const char *&outPtr);
virtual int compressTile (const char *inPtr,
int inSize,
IMATH_NAMESPACE::Box2i range,
const char *&outPtr);
virtual int uncompress (const char *inPtr,
int inSize,
int minY,
const char *&outPtr);
virtual int uncompressTile (const char *inPtr,
int inSize,
IMATH_NAMESPACE::Box2i range,
const char *&outPtr);
private:
struct ChannelData;
int compress (const char *inPtr,
int inSize,
IMATH_NAMESPACE::Box2i range,
const char *&outPtr);
int uncompress (const char *inPtr,
int inSize,
IMATH_NAMESPACE::Box2i range,
const char *&outPtr);
int _maxScanLineSize;
bool _optFlatFields;
Format _format;
int _numScanLines;
unsigned short * _tmpBuffer;
char * _outBuffer;
int _numChans;
const ChannelList & _channels;
ChannelData * _channelData;
int _minX;
int _maxX;
int _maxY;
};
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
#endif
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