OpenCV_4.2.0/opencv-4.2.0/3rdparty/openexr/IlmImf/ImfInputPart.h

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2024-07-25 16:47:56 +08:00
///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2011, 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 IMFINPUTPART_H_
#define IMFINPUTPART_H_
#include "ImfInputFile.h"
#include "ImfOutputPart.h"
#include "ImfForward.h"
#include "ImfNamespace.h"
#include "ImfExport.h"
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
//-------------------------------------------------------------------
// class InputPart:
//
// Same interface as InputFile. Please refer to InputFile.
//-------------------------------------------------------------------
class InputPart
{
public:
IMF_EXPORT
InputPart(MultiPartInputFile& multiPartFile, int partNumber);
IMF_EXPORT
const char * fileName () const;
IMF_EXPORT
const Header & header () const;
IMF_EXPORT
int version () const;
IMF_EXPORT
void setFrameBuffer (const FrameBuffer &frameBuffer);
IMF_EXPORT
const FrameBuffer & frameBuffer () const;
IMF_EXPORT
bool isComplete () const;
IMF_EXPORT
bool isOptimizationEnabled () const;
IMF_EXPORT
void readPixels (int scanLine1, int scanLine2);
IMF_EXPORT
void readPixels (int scanLine);
IMF_EXPORT
void rawPixelData (int firstScanLine,
const char *&pixelData,
int &pixelDataSize);
IMF_EXPORT
void rawPixelDataToBuffer (int scanLine,
char *pixelData,
int &pixelDataSize) const;
IMF_EXPORT
void rawTileData (int &dx, int &dy,
int &lx, int &ly,
const char *&pixelData,
int &pixelDataSize);
private:
InputFile* file;
// for internal use - give OutputFile and TiledOutputFile access to file for copyPixels
friend void OutputFile::copyPixels(InputPart&);
friend void TiledOutputFile::copyPixels(InputPart&);
};
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
#endif /* IMFINPUTPART_H_ */