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///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2014, 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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// OpenEXR file I/O for flat images.
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//
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//----------------------------------------------------------------------------
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#include "ImfFlatImageIO.h"
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#include <ImfInputFile.h>
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#include <ImfOutputFile.h>
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#include <ImfTiledInputFile.h>
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#include <ImfTiledOutputFile.h>
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#include <ImfHeader.h>
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#include <ImfChannelList.h>
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#include <ImfTestFile.h>
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#include <Iex.h>
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#include <cstring>
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#include <cassert>
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using namespace IMATH_NAMESPACE;
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using namespace IEX_NAMESPACE;
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using namespace std;
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OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_ENTER
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void
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saveFlatImage
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(const string &fileName,
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const Header &hdr,
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const FlatImage &img,
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DataWindowSource dws)
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{
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if (img.levelMode() != ONE_LEVEL || hdr.hasTileDescription())
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saveFlatTiledImage (fileName, hdr, img, dws);
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else
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saveFlatScanLineImage (fileName, hdr, img, dws);
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}
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void
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saveFlatImage
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(const string &fileName,
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const FlatImage &img)
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{
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Header hdr;
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hdr.displayWindow() = img.dataWindow();
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saveFlatImage (fileName, hdr, img);
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}
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void
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loadFlatImage
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(const string &fileName,
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Header &hdr,
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FlatImage &img)
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{
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bool tiled, deep, multiPart;
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if (!isOpenExrFile (fileName.c_str(), tiled, deep, multiPart))
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{
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THROW (ArgExc, "Cannot load image file " << fileName << ". "
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"The file is not an OpenEXR file.");
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}
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if (multiPart)
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{
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THROW (ArgExc, "Cannot load image file " << fileName << ". "
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"Multi-part file loading is not supported.");
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}
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if (deep)
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{
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THROW (ArgExc, "Cannot load deep image file " << fileName << " "
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"as a flat image.");
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}
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if (tiled)
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loadFlatTiledImage (fileName, hdr, img);
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else
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loadFlatScanLineImage (fileName, hdr, img);
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}
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void
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loadFlatImage
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(const string &fileName,
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FlatImage &img)
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{
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Header hdr;
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loadFlatImage (fileName, hdr, img);
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}
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void
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saveFlatScanLineImage
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(const string &fileName,
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const Header &hdr,
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const FlatImage &img,
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DataWindowSource dws)
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{
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Header newHdr;
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for (Header::ConstIterator i = hdr.begin(); i != hdr.end(); ++i)
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{
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if (strcmp (i.name(), "dataWindow") &&
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strcmp (i.name(), "tiles") &&
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strcmp (i.name(), "channels"))
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{
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newHdr.insert (i.name(), i.attribute());
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}
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}
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newHdr.dataWindow() = dataWindowForFile (hdr, img, dws);
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const FlatImageLevel &level = img.level();
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FrameBuffer fb;
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for (FlatImageLevel::ConstIterator i = level.begin(); i != level.end(); ++i)
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{
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newHdr.channels().insert (i.name(), i.channel().channel());
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fb.insert (i.name(), i.channel().slice());
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}
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OutputFile out (fileName.c_str(), newHdr);
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out.setFrameBuffer (fb);
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out.writePixels (newHdr.dataWindow().max.y - newHdr.dataWindow().min.y + 1);
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}
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void
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saveFlatScanLineImage
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(const string &fileName,
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const FlatImage &img)
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{
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Header hdr;
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hdr.displayWindow() = img.dataWindow();
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saveFlatScanLineImage (fileName, hdr, img);
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}
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void
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loadFlatScanLineImage
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(const string &fileName,
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Header &hdr,
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FlatImage &img)
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{
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InputFile in (fileName.c_str());
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const ChannelList &cl = in.header().channels();
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img.clearChannels();
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for (ChannelList::ConstIterator i = cl.begin(); i != cl.end(); ++i)
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img.insertChannel (i.name(), i.channel());
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img.resize (in.header().dataWindow(), ONE_LEVEL, ROUND_DOWN);
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FlatImageLevel &level = img.level();
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FrameBuffer fb;
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for (FlatImageLevel::ConstIterator i = level.begin(); i != level.end(); ++i)
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fb.insert (i.name(), i.channel().slice());
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in.setFrameBuffer (fb);
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in.readPixels (level.dataWindow().min.y, level.dataWindow().max.y);
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for (Header::ConstIterator i = in.header().begin();
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i != in.header().end();
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++i)
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{
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if (strcmp (i.name(), "tiles"))
|
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hdr.insert (i.name(), i.attribute());
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}
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}
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|
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|
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void
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loadFlatScanLineImage
|
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(const string &fileName,
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FlatImage &img)
|
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{
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Header hdr;
|
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loadFlatScanLineImage (fileName, hdr, img);
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}
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namespace {
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void
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saveLevel (TiledOutputFile &out, const FlatImage &img, int x, int y)
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{
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const FlatImageLevel &level = img.level (x, y);
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FrameBuffer fb;
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|
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for (FlatImageLevel::ConstIterator i = level.begin(); i != level.end(); ++i)
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fb.insert (i.name(), i.channel().slice());
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out.setFrameBuffer (fb);
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out.writeTiles (0, out.numXTiles (x) - 1, 0, out.numYTiles (y) - 1, x, y);
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}
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|
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} // namespace
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void
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saveFlatTiledImage
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(const string &fileName,
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const Header &hdr,
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const FlatImage &img,
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DataWindowSource dws)
|
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{
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Header newHdr;
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for (Header::ConstIterator i = hdr.begin(); i != hdr.end(); ++i)
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{
|
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if (strcmp (i.name(), "dataWindow") &&
|
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strcmp (i.name(), "tiles") &&
|
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strcmp (i.name(), "channels"))
|
|
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{
|
|
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newHdr.insert (i.name(), i.attribute());
|
|
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}
|
|
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}
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|
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|
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if (hdr.hasTileDescription())
|
|
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{
|
|
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newHdr.setTileDescription
|
|
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(TileDescription (hdr.tileDescription().xSize,
|
|
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hdr.tileDescription().ySize,
|
|
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img.levelMode(),
|
|
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img.levelRoundingMode()));
|
|
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}
|
|
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else
|
|
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{
|
|
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newHdr.setTileDescription
|
|
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(TileDescription (64, // xSize
|
|
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64, // ySize
|
|
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img.levelMode(),
|
|
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img.levelRoundingMode()));
|
|
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}
|
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|
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newHdr.dataWindow() = dataWindowForFile (hdr, img, dws);
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|
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const FlatImageLevel &level = img.level (0, 0);
|
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|
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for (FlatImageLevel::ConstIterator i = level.begin(); i != level.end(); ++i)
|
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newHdr.channels().insert (i.name(), i.channel().channel());
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|
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TiledOutputFile out (fileName.c_str(), newHdr);
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|
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switch (img.levelMode())
|
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{
|
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case ONE_LEVEL:
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|
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saveLevel (out, img, 0, 0);
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|
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break;
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|
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case MIPMAP_LEVELS:
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|
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for (int x = 0; x < out.numLevels(); ++x)
|
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saveLevel (out, img, x, x);
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0d464f |
|
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0d464f |
break;
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0d464f |
|
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0d464f |
case RIPMAP_LEVELS:
|
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0d464f |
|
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0d464f |
for (int y = 0; y < out.numYLevels(); ++y)
|
|
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0d464f |
for (int x = 0; x < out.numXLevels(); ++x)
|
|
Packit |
0d464f |
saveLevel (out, img, x, y);
|
|
Packit |
0d464f |
|
|
Packit |
0d464f |
break;
|
|
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0d464f |
|
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0d464f |
default:
|
|
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0d464f |
|
|
Packit |
0d464f |
assert (false);
|
|
Packit |
0d464f |
}
|
|
Packit |
0d464f |
}
|
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|
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|
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void
|
|
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saveFlatTiledImage
|
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Packit |
0d464f |
(const string &fileName,
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Packit |
0d464f |
const FlatImage &img)
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Packit |
0d464f |
{
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Packit |
0d464f |
Header hdr;
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Packit |
0d464f |
hdr.displayWindow() = img.dataWindow();
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Packit |
0d464f |
saveFlatTiledImage (fileName, hdr, img);
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Packit |
0d464f |
}
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Packit |
0d464f |
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Packit |
0d464f |
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Packit |
0d464f |
namespace {
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Packit |
0d464f |
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Packit |
0d464f |
void
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Packit |
0d464f |
loadLevel (TiledInputFile &in, FlatImage &img, int x, int y)
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Packit |
0d464f |
{
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Packit |
0d464f |
FlatImageLevel &level = img.level (x, y);
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Packit |
0d464f |
FrameBuffer fb;
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Packit |
0d464f |
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Packit |
0d464f |
for (FlatImageLevel::ConstIterator i = level.begin(); i != level.end(); ++i)
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Packit |
0d464f |
fb.insert (i.name(), i.channel().slice());
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Packit |
0d464f |
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Packit |
0d464f |
in.setFrameBuffer (fb);
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Packit |
0d464f |
in.readTiles (0, in.numXTiles (x) - 1, 0, in.numYTiles (y) - 1, x, y);
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Packit |
0d464f |
}
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Packit |
0d464f |
|
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Packit |
0d464f |
} // namespace
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Packit |
0d464f |
|
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Packit |
0d464f |
|
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Packit |
0d464f |
void
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Packit |
0d464f |
loadFlatTiledImage
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|
Packit |
0d464f |
(const string &fileName,
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|
Packit |
0d464f |
Header &hdr,
|
|
Packit |
0d464f |
FlatImage &img)
|
|
Packit |
0d464f |
{
|
|
Packit |
0d464f |
TiledInputFile in (fileName.c_str());
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|
Packit |
0d464f |
|
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Packit |
0d464f |
const ChannelList &cl = in.header().channels();
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Packit |
0d464f |
|
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Packit |
0d464f |
img.clearChannels();
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Packit |
0d464f |
|
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Packit |
0d464f |
for (ChannelList::ConstIterator i = cl.begin(); i != cl.end(); ++i)
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Packit |
0d464f |
img.insertChannel (i.name(), i.channel());
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Packit |
0d464f |
|
|
Packit |
0d464f |
img.resize (in.header().dataWindow(),
|
|
Packit |
0d464f |
in.header().tileDescription().mode,
|
|
Packit |
0d464f |
in.header().tileDescription().roundingMode);
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Packit |
0d464f |
|
|
Packit |
0d464f |
switch (img.levelMode())
|
|
Packit |
0d464f |
{
|
|
Packit |
0d464f |
case ONE_LEVEL:
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|
Packit |
0d464f |
|
|
Packit |
0d464f |
loadLevel (in, img, 0, 0);
|
|
Packit |
0d464f |
|
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Packit |
0d464f |
break;
|
|
Packit |
0d464f |
|
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Packit |
0d464f |
case MIPMAP_LEVELS:
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Packit |
0d464f |
|
|
Packit |
0d464f |
for (int x = 0; x < img.numLevels(); ++x)
|
|
Packit |
0d464f |
loadLevel (in, img, x, x);
|
|
Packit |
0d464f |
|
|
Packit |
0d464f |
break;
|
|
Packit |
0d464f |
|
|
Packit |
0d464f |
case RIPMAP_LEVELS:
|
|
Packit |
0d464f |
|
|
Packit |
0d464f |
for (int y = 0; y < img.numYLevels(); ++y)
|
|
Packit |
0d464f |
for (int x = 0; x < img.numXLevels(); ++x)
|
|
Packit |
0d464f |
loadLevel (in, img, x, y);
|
|
Packit |
0d464f |
|
|
Packit |
0d464f |
break;
|
|
Packit |
0d464f |
|
|
Packit |
0d464f |
default:
|
|
Packit |
0d464f |
|
|
Packit |
0d464f |
assert (false);
|
|
Packit |
0d464f |
}
|
|
Packit |
0d464f |
|
|
Packit |
0d464f |
for (Header::ConstIterator i = in.header().begin();
|
|
Packit |
0d464f |
i != in.header().end();
|
|
Packit |
0d464f |
++i)
|
|
Packit |
0d464f |
{
|
|
Packit |
0d464f |
hdr.insert (i.name(), i.attribute());
|
|
Packit |
0d464f |
}
|
|
Packit |
0d464f |
}
|
|
Packit |
0d464f |
|
|
Packit |
0d464f |
|
|
Packit |
0d464f |
void
|
|
Packit |
0d464f |
loadFlatTiledImage
|
|
Packit |
0d464f |
(const string &fileName,
|
|
Packit |
0d464f |
FlatImage &img)
|
|
Packit |
0d464f |
{
|
|
Packit |
0d464f |
Header hdr;
|
|
Packit |
0d464f |
loadFlatTiledImage (fileName, hdr, img);
|
|
Packit |
0d464f |
}
|
|
Packit |
0d464f |
|
|
Packit |
0d464f |
|
|
Packit |
0d464f |
OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_EXIT
|