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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2014, 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.
//
///////////////////////////////////////////////////////////////////////////
//----------------------------------------------------------------------------
//
// OpenEXR file I/O for deep images.
//
//----------------------------------------------------------------------------
#include "ImfImageIO.h"
#include "ImfFlatImageIO.h"
#include "ImfDeepImageIO.h"
#include <ImfMultiPartInputFile.h>
#include <ImfHeader.h>
#include <ImfTestFile.h>
#include <ImfPartType.h>
#include <Iex.h>
using namespace IMATH_NAMESPACE;
using namespace IEX_NAMESPACE;
using namespace std;
OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_ENTER
void
saveImage
(const string &fileName,
const Header &hdr,
const Image &img,
DataWindowSource dws)
{
if (const FlatImage *fimg = dynamic_cast <const FlatImage *> (&img))
{
if (fimg->levelMode() != ONE_LEVEL || hdr.hasTileDescription())
saveFlatTiledImage (fileName, hdr, *fimg, dws);
else
saveFlatScanLineImage (fileName, hdr, *fimg, dws);
}
if (const DeepImage *dimg = dynamic_cast <const DeepImage *> (&img))
{
if (dimg->levelMode() != ONE_LEVEL || hdr.hasTileDescription())
saveDeepTiledImage (fileName, hdr, *dimg, dws);
else
saveDeepScanLineImage (fileName, hdr, *dimg, dws);
}
}
void
saveImage (const string &fileName, const Image &img)
{
Header hdr;
hdr.displayWindow() = img.dataWindow();
saveImage (fileName, hdr, img);
}
Image *
loadImage (const string &fileName, Header &hdr)
{
bool tiled, deep, multiPart;
if (!isOpenExrFile (fileName.c_str(), tiled, deep, multiPart))
{
THROW (ArgExc, "Cannot load image file " << fileName << ". "
"The file is not an OpenEXR file.");
}
if (multiPart)
{
THROW (ArgExc, "Cannot load image file " << fileName << ". "
"Multi-part file loading is not supported.");
}
//XXX TODO: the tiled flag obtained above is unreliable;
// open the file as a multi-part file and inspect the header.
// Can the IlmImf library be fixed?
{
MultiPartInputFile mpi (fileName.c_str());
tiled = (mpi.parts() > 0 &&
mpi.header(0).hasType() &&
isTiled (mpi.header(0).type()));
}
Image *img = 0;
try
{
if (deep)
{
DeepImage *dimg = new DeepImage;
img = dimg;
if (tiled)
loadDeepTiledImage (fileName, hdr, *dimg);
else
loadDeepScanLineImage (fileName, hdr, *dimg);
}
else
{
FlatImage *fimg = new FlatImage;
img = fimg;
if (tiled)
loadFlatTiledImage (fileName, hdr, *fimg);
else
loadFlatScanLineImage (fileName, hdr, *fimg);
}
}
catch (...)
{
delete img;
throw;
}
return img;
}
Image *
loadImage (const string &fileName)
{
Header hdr;
return loadImage (fileName, hdr);
}
OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_EXIT
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