173 lines
4.8 KiB
C++
173 lines
4.8 KiB
C++
///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2007, Industrial Light & Magic, a division of Lucas
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// Digital Ltd. LLC
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Industrial Light & Magic nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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///////////////////////////////////////////////////////////////////////////
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//----------------------------------------------------------------------------
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//
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// Combine multiple single-view images
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// into one multi-view image.
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//
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//----------------------------------------------------------------------------
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#include "makeMultiView.h"
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#include "Image.h"
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#include <ImfInputFile.h>
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#include <ImfOutputFile.h>
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#include <ImfChannelList.h>
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#include <ImfFrameBuffer.h>
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#include <ImfStandardAttributes.h>
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#include <ImfMultiView.h>
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#include "Iex.h"
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#include <map>
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#include <algorithm>
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#include <iostream>
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#include "namespaceAlias.h"
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using namespace IMF;
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using namespace IMATH_NAMESPACE;
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using namespace std;
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void
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makeMultiView (const vector <string> &viewNames,
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const vector <const char *> &inFileNames,
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const char *outFileName,
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Compression compression,
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bool verbose)
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{
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Header header;
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Image image;
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FrameBuffer outFb;
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//
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// Find the size of the dataWindow, check files
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//
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Box2i d;
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for (size_t i = 0; i < viewNames.size(); ++i)
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{
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InputFile in (inFileNames[i]);
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if (verbose)
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{
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cout << "reading file " << inFileNames[i] << " "
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"for " << viewNames[i] << " view" << endl;
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}
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if (hasMultiView (in.header()))
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{
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THROW (IEX_NAMESPACE::NoImplExc,
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"The image in file " << inFileNames[i] << " is already a "
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"multi-view image. Cannot combine multiple multi-view "
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"images.");
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}
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header = in.header();
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if (i == 0)
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{
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d=header.dataWindow();
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}else{
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d.extendBy(header.dataWindow());
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}
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}
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image.resize (d);
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header.dataWindow()=d;
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// blow away channels; we'll rebuild them
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header.channels()=ChannelList();
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//
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// Read the input image files
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//
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for (size_t i = 0; i < viewNames.size(); ++i)
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{
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InputFile in (inFileNames[i]);
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if (verbose)
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{
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cout << "reading file " << inFileNames[i] << " "
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"for " << viewNames[i] << " view" << endl;
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}
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FrameBuffer inFb;
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for (ChannelList::ConstIterator j = in.header().channels().begin();
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j != in.header().channels().end();
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++j)
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{
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const Channel &inChannel = j.channel();
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string inChanName = j.name();
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string outChanName = insertViewName (inChanName, viewNames, i);
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image.addChannel (outChanName, inChannel);
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image.channel(outChanName).black();
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header.channels().insert (outChanName, inChannel);
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inFb.insert (inChanName, image.channel(outChanName).slice());
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outFb.insert (outChanName, image.channel(outChanName).slice());
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}
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in.setFrameBuffer (inFb);
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in.readPixels (in.header().dataWindow().min.y, in.header().dataWindow().max.y);
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}
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//
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// Write the output image file
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//
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{
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header.compression() = compression;
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addMultiView (header, viewNames);
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OutputFile out (outFileName, header);
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if (verbose)
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cout << "writing file " << outFileName << endl;
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out.setFrameBuffer (outFb);
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out.writePixels
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(header.dataWindow().max.y - header.dataWindow().min.y + 1);
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}
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}
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