/usr/include/OpenEXR/ImfCompositeDeepScanLine.h is in libopenexr-dev 2.2.0-10ubuntu2.
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//
// Copyright (c) 2012, Weta Digital Ltd
//
// 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 Weta Digital 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_COMPOSITEDEEPSCANLINE_H
#define INCLUDED_IMF_COMPOSITEDEEPSCANLINE_H
//-----------------------------------------------------------------------------
//
// Class to composite deep samples into a frame buffer
// Initialise with a deep input part or deep inputfile
// (also supports multiple files and parts, and will
// composite them together, as long as their sizes and channelmaps agree)
//
// Then call setFrameBuffer, and readPixels, exactly as for reading
// regular scanline images.
//
// Restrictions - source file(s) must contain at least Z and alpha channels
// - if multiple files/parts are provided, sizes must match
// - all requested channels will be composited as premultiplied
// - only half and float channels can be requested
//
// This object should not be considered threadsafe
//
// The default compositing engine will give spurious results with overlapping
// volumetric samples - you may derive from DeepCompositing class, override the
// sort_pixel() and composite_pixel() functions, and pass an instance to
// setCompositing().
//
//-----------------------------------------------------------------------------
#include "ImfForward.h"
#include "ImfNamespace.h"
#include "ImfExport.h"
#include <ImathBox.h>
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
class IMF_EXPORT CompositeDeepScanLine
{
public:
CompositeDeepScanLine();
virtual ~CompositeDeepScanLine();
/// set the source data as a part
///@note all parts must remain valid until after last interaction with DeepComp
void addSource(DeepScanLineInputPart * part);
/// set the source data as a file
///@note all file must remain valid until after last interaction with DeepComp
void addSource(DeepScanLineInputFile * file);
/////////////////////////////////////////
//
// set the frame buffer for output values
// the buffers specified must be large enough
// to handle the dataWindow()
//
/////////////////////////////////////////
void setFrameBuffer(const FrameBuffer & fr);
/////////////////////////////////////////
//
// retrieve frameBuffer
//
////////////////////////////////////////
const FrameBuffer & frameBuffer() const;
//////////////////////////////////////////////////
//
// read scanlines start to end from the source(s)
// storing the result in the frame buffer provided
//
//////////////////////////////////////////////////
void readPixels(int start,int end);
int sources() const; // return number of sources
/////////////////////////////////////////////////
//
// retrieve the datawindow
// If multiple parts are specified, this will
// be the union of the dataWindow of all parts
//
////////////////////////////////////////////////
const IMATH_NAMESPACE::Box2i & dataWindow() const;
//
// override default sorting/compositing operation
// (otherwise an instance of the base class will be used)
//
void setCompositing(DeepCompositing *);
struct Data;
private :
struct Data *_Data;
CompositeDeepScanLine(const CompositeDeepScanLine &); // not implemented
const CompositeDeepScanLine & operator=(const CompositeDeepScanLine &); // not implemented
};
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
#endif
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