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878af7ada8
3rdparty: update OpenEXR 2.3.0 (#14725) * openexr 2.2.1 * openexr 2.3.0 * openexr: build fixes * openexr: build dwa tables on-demand
929 lines
23 KiB
C++
929 lines
23 KiB
C++
///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2004, 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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// class InputFile
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//
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//-----------------------------------------------------------------------------
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#include "ImfInputFile.h"
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#include "ImfScanLineInputFile.h"
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#include "ImfTiledInputFile.h"
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#include "ImfChannelList.h"
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#include "ImfMisc.h"
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#include "ImfStdIO.h"
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#include "ImfVersion.h"
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#include "ImfPartType.h"
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#include "ImfInputPartData.h"
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#include "ImfMultiPartInputFile.h"
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#include <ImfCompositeDeepScanLine.h>
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#include <ImfDeepScanLineInputFile.h>
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#include "ImathFun.h"
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#include "IlmThreadMutex.h"
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#include "Iex.h"
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#include "half.h"
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#include <fstream>
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#include <algorithm>
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#include "ImfNamespace.h"
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OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_ENTER
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using IMATH_NAMESPACE::Box2i;
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using IMATH_NAMESPACE::divp;
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using IMATH_NAMESPACE::modp;
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using ILMTHREAD_NAMESPACE::Mutex;
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using ILMTHREAD_NAMESPACE::Lock;
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//
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// Struct InputFile::Data stores things that will be
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// needed between calls to readPixels
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//
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struct InputFile::Data : public Mutex
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{
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Header header;
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int version;
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bool isTiled;
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TiledInputFile * tFile;
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ScanLineInputFile * sFile;
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DeepScanLineInputFile * dsFile;
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LineOrder lineOrder; // the file's lineorder
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int minY; // data window's min y coord
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int maxY; // data window's max x coord
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FrameBuffer tFileBuffer;
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FrameBuffer * cachedBuffer;
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CompositeDeepScanLine * compositor; // for loading deep files
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int cachedTileY;
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int offset;
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int numThreads;
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int partNumber;
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InputPartData* part;
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bool multiPartBackwardSupport;
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MultiPartInputFile* multiPartFile;
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InputStreamMutex * _streamData;
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bool _deleteStream;
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Data (int numThreads);
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~Data ();
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void deleteCachedBuffer();
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};
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InputFile::Data::Data (int numThreads):
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isTiled (false),
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tFile (0),
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sFile (0),
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dsFile(0),
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cachedBuffer (0),
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compositor(0),
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cachedTileY (-1),
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numThreads (numThreads),
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partNumber (-1),
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part(NULL),
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multiPartBackwardSupport (false),
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multiPartFile (0),
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_streamData(0),
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_deleteStream(false)
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{
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// empty
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}
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InputFile::Data::~Data ()
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{
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if (tFile)
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delete tFile;
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if (sFile)
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delete sFile;
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if (dsFile)
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delete dsFile;
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if (compositor)
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delete compositor;
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deleteCachedBuffer();
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if (multiPartBackwardSupport && multiPartFile)
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delete multiPartFile;
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}
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void
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InputFile::Data::deleteCachedBuffer()
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{
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//
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// Delete the cached frame buffer, and all memory
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// allocated for the slices in the cached frameBuffer.
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//
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if (cachedBuffer)
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{
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for (FrameBuffer::Iterator k = cachedBuffer->begin();
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k != cachedBuffer->end();
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++k)
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{
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Slice &s = k.slice();
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switch (s.type)
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{
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case OPENEXR_IMF_INTERNAL_NAMESPACE::UINT:
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delete [] (((unsigned int *)s.base) + offset);
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break;
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case OPENEXR_IMF_INTERNAL_NAMESPACE::HALF:
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delete [] ((half *)s.base + offset);
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break;
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case OPENEXR_IMF_INTERNAL_NAMESPACE::FLOAT:
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delete [] (((float *)s.base) + offset);
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break;
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case NUM_PIXELTYPES :
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throw(IEX_NAMESPACE::ArgExc("Invalid pixel type"));
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}
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}
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//
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// delete the cached frame buffer
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//
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delete cachedBuffer;
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cachedBuffer = 0;
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}
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}
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namespace {
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void
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bufferedReadPixels (InputFile::Data* ifd, int scanLine1, int scanLine2)
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{
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//
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// bufferedReadPixels reads each row of tiles that intersect the
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// scan-line range (scanLine1 to scanLine2). The previous row of
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// tiles is cached in order to prevent redundent tile reads when
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// accessing scanlines sequentially.
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//
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int minY = std::min (scanLine1, scanLine2);
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int maxY = std::max (scanLine1, scanLine2);
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if (minY < ifd->minY || maxY > ifd->maxY)
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{
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throw IEX_NAMESPACE::ArgExc ("Tried to read scan line outside "
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"the image file's data window.");
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}
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//
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// The minimum and maximum y tile coordinates that intersect this
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// scanline range
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//
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int minDy = (minY - ifd->minY) / ifd->tFile->tileYSize();
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int maxDy = (maxY - ifd->minY) / ifd->tFile->tileYSize();
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//
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// Figure out which one is first in the file so we can read without seeking
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//
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int yStart, yEnd, yStep;
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if (ifd->lineOrder == DECREASING_Y)
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{
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yStart = maxDy;
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yEnd = minDy - 1;
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yStep = -1;
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}
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else
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{
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yStart = minDy;
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yEnd = maxDy + 1;
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yStep = 1;
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}
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//
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// the number of pixels in a row of tiles
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//
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Box2i levelRange = ifd->tFile->dataWindowForLevel(0);
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//
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// Read the tiles into our temporary framebuffer and copy them into
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// the user's buffer
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//
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for (int j = yStart; j != yEnd; j += yStep)
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{
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Box2i tileRange = ifd->tFile->dataWindowForTile (0, j, 0);
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int minYThisRow = std::max (minY, tileRange.min.y);
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int maxYThisRow = std::min (maxY, tileRange.max.y);
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if (j != ifd->cachedTileY)
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{
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//
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// We don't have any valid buffered info, so we need to read in
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// from the file.
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//
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ifd->tFile->readTiles (0, ifd->tFile->numXTiles (0) - 1, j, j);
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ifd->cachedTileY = j;
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}
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//
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// Copy the data from our cached framebuffer into the user's
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// framebuffer.
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//
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for (FrameBuffer::ConstIterator k = ifd->cachedBuffer->begin();
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k != ifd->cachedBuffer->end();
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++k)
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{
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Slice fromSlice = k.slice(); // slice to write from
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Slice toSlice = ifd->tFileBuffer[k.name()]; // slice to write to
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char *fromPtr, *toPtr;
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int size = pixelTypeSize (toSlice.type);
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int xStart = levelRange.min.x;
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int yStart = minYThisRow;
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while (modp (xStart, toSlice.xSampling) != 0)
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++xStart;
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while (modp (yStart, toSlice.ySampling) != 0)
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++yStart;
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for (int y = yStart;
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y <= maxYThisRow;
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y += toSlice.ySampling)
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{
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//
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// Set the pointers to the start of the y scanline in
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// this row of tiles
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//
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fromPtr = fromSlice.base +
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(y - tileRange.min.y) * fromSlice.yStride +
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xStart * fromSlice.xStride;
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toPtr = toSlice.base +
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divp (y, toSlice.ySampling) * toSlice.yStride +
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divp (xStart, toSlice.xSampling) * toSlice.xStride;
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//
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// Copy all pixels for the scanline in this row of tiles
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//
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for (int x = xStart;
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x <= levelRange.max.x;
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x += toSlice.xSampling)
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{
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for (int i = 0; i < size; ++i)
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toPtr[i] = fromPtr[i];
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fromPtr += fromSlice.xStride * toSlice.xSampling;
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toPtr += toSlice.xStride;
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}
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}
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}
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}
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}
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} // namespace
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InputFile::InputFile (const char fileName[], int numThreads):
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_data (new Data (numThreads))
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{
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_data->_streamData = NULL;
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_data->_deleteStream=true;
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OPENEXR_IMF_INTERNAL_NAMESPACE::IStream* is = 0;
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try
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{
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is = new StdIFStream (fileName);
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readMagicNumberAndVersionField(*is, _data->version);
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//
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// compatibility to read multipart file.
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//
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if (isMultiPart(_data->version))
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{
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compatibilityInitialize(*is);
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}
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else
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{
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_data->_streamData = new InputStreamMutex();
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_data->_streamData->is = is;
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_data->header.readFrom (*_data->_streamData->is, _data->version);
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// fix type attribute in single part regular image types
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// (may be wrong if an old version of OpenEXR converts
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// a tiled image to scanline or vice versa)
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if(!isNonImage(_data->version) &&
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!isMultiPart(_data->version) &&
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_data->header.hasType())
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{
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_data->header.setType(isTiled(_data->version) ? TILEDIMAGE : SCANLINEIMAGE);
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}
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_data->header.sanityCheck (isTiled (_data->version));
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initialize();
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}
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}
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catch (IEX_NAMESPACE::BaseExc &e)
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{
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if (is) delete is;
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if ( _data && !_data->multiPartBackwardSupport && _data->_streamData)
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{
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delete _data->_streamData;
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_data->_streamData=NULL;
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}
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if (_data) delete _data;
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_data=NULL;
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REPLACE_EXC (e, "Cannot read image file "
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"\"" << fileName << "\". " << e.what());
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throw;
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}
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catch (...)
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{
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if (is) delete is;
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if (_data && !_data->multiPartBackwardSupport && _data->_streamData)
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{
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delete _data->_streamData;
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}
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if (_data) delete _data;
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throw;
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}
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}
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InputFile::InputFile (OPENEXR_IMF_INTERNAL_NAMESPACE::IStream &is, int numThreads):
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_data (new Data (numThreads))
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{
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_data->_streamData=NULL;
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_data->_deleteStream=false;
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try
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{
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readMagicNumberAndVersionField(is, _data->version);
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//
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// Backward compatibility to read multpart file.
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//
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if (isMultiPart(_data->version))
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{
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compatibilityInitialize(is);
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}
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else
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{
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_data->_streamData = new InputStreamMutex();
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_data->_streamData->is = &is;
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_data->header.readFrom (*_data->_streamData->is, _data->version);
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// fix type attribute in single part regular image types
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// (may be wrong if an old version of OpenEXR converts
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// a tiled image to scanline or vice versa)
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if(!isNonImage(_data->version) &&
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!isMultiPart(_data->version) &&
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_data->header.hasType())
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{
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_data->header.setType(isTiled(_data->version) ? TILEDIMAGE : SCANLINEIMAGE);
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}
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_data->header.sanityCheck (isTiled (_data->version));
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initialize();
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}
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}
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catch (IEX_NAMESPACE::BaseExc &e)
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{
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if (_data && !_data->multiPartBackwardSupport && _data->_streamData) delete _data->_streamData;
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if (_data) delete _data;
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_data=NULL;
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REPLACE_EXC (e, "Cannot read image file "
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"\"" << is.fileName() << "\". " << e.what());
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throw;
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}
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catch (...)
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{
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if (_data && !_data->multiPartBackwardSupport && _data->_streamData) delete _data->_streamData;
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if (_data) delete _data;
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_data=NULL;
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throw;
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}
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}
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InputFile::InputFile (InputPartData* part) :
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_data (new Data (part->numThreads))
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{
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_data->_deleteStream=false;
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multiPartInitialize (part);
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}
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void
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InputFile::compatibilityInitialize (OPENEXR_IMF_INTERNAL_NAMESPACE::IStream& is)
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{
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is.seekg(0);
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//
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// Construct a MultiPartInputFile, initialize InputFile
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// with the part 0 data.
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// (TODO) may want to have a way to set the reconstruction flag.
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//
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_data->multiPartBackwardSupport = true;
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_data->multiPartFile = new MultiPartInputFile(is, _data->numThreads);
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InputPartData* part = _data->multiPartFile->getPart(0);
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multiPartInitialize (part);
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}
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void
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InputFile::multiPartInitialize (InputPartData* part)
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{
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_data->_streamData = part->mutex;
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_data->version = part->version;
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_data->header = part->header;
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_data->partNumber = part->partNumber;
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_data->part = part;
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initialize();
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}
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void
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InputFile::initialize ()
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{
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if (!_data->part)
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{
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if(_data->header.hasType() && _data->header.type()==DEEPSCANLINE)
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{
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_data->isTiled=false;
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const Box2i &dataWindow = _data->header.dataWindow();
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_data->minY = dataWindow.min.y;
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_data->maxY = dataWindow.max.y;
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_data->dsFile = new DeepScanLineInputFile (_data->header,
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_data->_streamData->is,
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_data->version,
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_data->numThreads);
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_data->compositor = new CompositeDeepScanLine;
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_data->compositor->addSource(_data->dsFile);
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}
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else if (isTiled (_data->version))
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{
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_data->isTiled = true;
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_data->lineOrder = _data->header.lineOrder();
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//
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// Save the dataWindow information
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//
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const Box2i &dataWindow = _data->header.dataWindow();
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_data->minY = dataWindow.min.y;
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_data->maxY = dataWindow.max.y;
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_data->tFile = new TiledInputFile (_data->header,
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_data->_streamData->is,
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_data->version,
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_data->numThreads);
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}
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else if(!_data->header.hasType() || _data->header.type()==SCANLINEIMAGE)
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{
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_data->sFile = new ScanLineInputFile (_data->header,
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_data->_streamData->is,
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_data->numThreads);
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}else{
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// type set but not recognised
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THROW(IEX_NAMESPACE::ArgExc, "InputFile cannot handle parts of type " << _data->header.type());
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}
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}
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else
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{
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if(_data->header.hasType() && _data->header.type()==DEEPSCANLINE)
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{
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_data->isTiled=false;
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const Box2i &dataWindow = _data->header.dataWindow();
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_data->minY = dataWindow.min.y;
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_data->maxY = dataWindow.max.y;
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_data->dsFile = new DeepScanLineInputFile (_data->part);
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_data->compositor = new CompositeDeepScanLine;
|
|
_data->compositor->addSource(_data->dsFile);
|
|
}
|
|
else if (isTiled (_data->header.type()))
|
|
{
|
|
_data->isTiled = true;
|
|
_data->lineOrder = _data->header.lineOrder();
|
|
|
|
//
|
|
// Save the dataWindow information
|
|
//
|
|
|
|
const Box2i &dataWindow = _data->header.dataWindow();
|
|
_data->minY = dataWindow.min.y;
|
|
_data->maxY = dataWindow.max.y;
|
|
|
|
_data->tFile = new TiledInputFile (_data->part);
|
|
}
|
|
else if(!_data->header.hasType() || _data->header.type()==SCANLINEIMAGE)
|
|
{
|
|
_data->sFile = new ScanLineInputFile (_data->part);
|
|
}else{
|
|
THROW(IEX_NAMESPACE::ArgExc, "InputFile cannot handle parts of type " << _data->header.type());
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
#include <iostream>
|
|
InputFile::~InputFile ()
|
|
{
|
|
if (_data->_deleteStream)
|
|
delete _data->_streamData->is;
|
|
|
|
// unless this file was opened via the multipart API,
|
|
// delete the streamData object too
|
|
if (_data->partNumber==-1 && _data->_streamData)
|
|
delete _data->_streamData;
|
|
|
|
if (_data) delete _data;
|
|
}
|
|
|
|
const char *
|
|
InputFile::fileName () const
|
|
{
|
|
return _data->_streamData->is->fileName();
|
|
}
|
|
|
|
|
|
const Header &
|
|
InputFile::header () const
|
|
{
|
|
return _data->header;
|
|
}
|
|
|
|
|
|
int
|
|
InputFile::version () const
|
|
{
|
|
return _data->version;
|
|
}
|
|
|
|
|
|
void
|
|
InputFile::setFrameBuffer (const FrameBuffer &frameBuffer)
|
|
{
|
|
if (_data->isTiled)
|
|
{
|
|
Lock lock (*_data);
|
|
|
|
//
|
|
// We must invalidate the cached buffer if the new frame
|
|
// buffer has a different set of channels than the old
|
|
// frame buffer, or if the type of a channel has changed.
|
|
//
|
|
|
|
const FrameBuffer &oldFrameBuffer = _data->tFileBuffer;
|
|
|
|
FrameBuffer::ConstIterator i = oldFrameBuffer.begin();
|
|
FrameBuffer::ConstIterator j = frameBuffer.begin();
|
|
|
|
while (i != oldFrameBuffer.end() && j != frameBuffer.end())
|
|
{
|
|
if (strcmp (i.name(), j.name()) || i.slice().type != j.slice().type)
|
|
break;
|
|
|
|
++i;
|
|
++j;
|
|
}
|
|
|
|
if (i != oldFrameBuffer.end() || j != frameBuffer.end())
|
|
{
|
|
//
|
|
// Invalidate the cached buffer.
|
|
//
|
|
|
|
_data->deleteCachedBuffer ();
|
|
_data->cachedTileY = -1;
|
|
|
|
//
|
|
// Create new a cached frame buffer. It can hold a single
|
|
// row of tiles. The cached buffer can be reused for each
|
|
// row of tiles because we set the yTileCoords parameter of
|
|
// each Slice to true.
|
|
//
|
|
|
|
const Box2i &dataWindow = _data->header.dataWindow();
|
|
_data->cachedBuffer = new FrameBuffer();
|
|
_data->offset = dataWindow.min.x;
|
|
|
|
int tileRowSize = (dataWindow.max.x - dataWindow.min.x + 1) *
|
|
_data->tFile->tileYSize();
|
|
|
|
for (FrameBuffer::ConstIterator k = frameBuffer.begin();
|
|
k != frameBuffer.end();
|
|
++k)
|
|
{
|
|
Slice s = k.slice();
|
|
|
|
switch (s.type)
|
|
{
|
|
case OPENEXR_IMF_INTERNAL_NAMESPACE::UINT:
|
|
|
|
_data->cachedBuffer->insert
|
|
(k.name(),
|
|
Slice (UINT,
|
|
(char *)(new unsigned int[tileRowSize] -
|
|
_data->offset),
|
|
sizeof (unsigned int),
|
|
sizeof (unsigned int) *
|
|
_data->tFile->levelWidth(0),
|
|
1, 1,
|
|
s.fillValue,
|
|
false, true));
|
|
break;
|
|
|
|
case OPENEXR_IMF_INTERNAL_NAMESPACE::HALF:
|
|
|
|
_data->cachedBuffer->insert
|
|
(k.name(),
|
|
Slice (HALF,
|
|
(char *)(new half[tileRowSize] -
|
|
_data->offset),
|
|
sizeof (half),
|
|
sizeof (half) *
|
|
_data->tFile->levelWidth(0),
|
|
1, 1,
|
|
s.fillValue,
|
|
false, true));
|
|
break;
|
|
|
|
case OPENEXR_IMF_INTERNAL_NAMESPACE::FLOAT:
|
|
|
|
_data->cachedBuffer->insert
|
|
(k.name(),
|
|
Slice (OPENEXR_IMF_INTERNAL_NAMESPACE::FLOAT,
|
|
(char *)(new float[tileRowSize] -
|
|
_data->offset),
|
|
sizeof(float),
|
|
sizeof(float) *
|
|
_data->tFile->levelWidth(0),
|
|
1, 1,
|
|
s.fillValue,
|
|
false, true));
|
|
break;
|
|
|
|
default:
|
|
|
|
throw IEX_NAMESPACE::ArgExc ("Unknown pixel data type.");
|
|
}
|
|
}
|
|
|
|
_data->tFile->setFrameBuffer (*_data->cachedBuffer);
|
|
}
|
|
|
|
_data->tFileBuffer = frameBuffer;
|
|
}
|
|
else if(_data->compositor)
|
|
{
|
|
_data->compositor->setFrameBuffer(frameBuffer);
|
|
}else {
|
|
_data->sFile->setFrameBuffer(frameBuffer);
|
|
_data->tFileBuffer = frameBuffer;
|
|
}
|
|
}
|
|
|
|
|
|
const FrameBuffer &
|
|
InputFile::frameBuffer () const
|
|
{
|
|
if(_data->compositor)
|
|
{
|
|
return _data->compositor->frameBuffer();
|
|
}
|
|
else if(_data->isTiled)
|
|
{
|
|
Lock lock (*_data);
|
|
return _data->tFileBuffer;
|
|
}
|
|
else
|
|
{
|
|
return _data->sFile->frameBuffer();
|
|
}
|
|
}
|
|
|
|
|
|
bool
|
|
InputFile::isComplete () const
|
|
{
|
|
if (_data->dsFile)
|
|
return _data->dsFile->isComplete();
|
|
else if (_data->isTiled)
|
|
return _data->tFile->isComplete();
|
|
else
|
|
return _data->sFile->isComplete();
|
|
}
|
|
|
|
bool
|
|
InputFile::isOptimizationEnabled() const
|
|
{
|
|
if(_data->sFile)
|
|
{
|
|
return _data->sFile->isOptimizationEnabled();
|
|
}else{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
InputFile::readPixels (int scanLine1, int scanLine2)
|
|
{
|
|
if (_data->compositor)
|
|
{
|
|
_data->compositor->readPixels(scanLine1,scanLine2);
|
|
}
|
|
else if (_data->isTiled)
|
|
{
|
|
Lock lock (*_data);
|
|
bufferedReadPixels (_data, scanLine1, scanLine2);
|
|
}
|
|
else
|
|
{
|
|
_data->sFile->readPixels (scanLine1, scanLine2);
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
InputFile::readPixels (int scanLine)
|
|
{
|
|
readPixels (scanLine, scanLine);
|
|
}
|
|
|
|
|
|
void
|
|
InputFile::rawPixelData (int firstScanLine,
|
|
const char *&pixelData,
|
|
int &pixelDataSize)
|
|
{
|
|
try
|
|
{
|
|
if (_data->dsFile)
|
|
{
|
|
throw IEX_NAMESPACE::ArgExc ("Tried to read a raw scanline "
|
|
"from a deep image.");
|
|
}
|
|
|
|
else if (_data->isTiled)
|
|
{
|
|
throw IEX_NAMESPACE::ArgExc ("Tried to read a raw scanline "
|
|
"from a tiled image.");
|
|
}
|
|
|
|
_data->sFile->rawPixelData (firstScanLine, pixelData, pixelDataSize);
|
|
}
|
|
catch (IEX_NAMESPACE::BaseExc &e)
|
|
{
|
|
REPLACE_EXC (e, "Error reading pixel data from image "
|
|
"file \"" << fileName() << "\". " << e.what());
|
|
throw;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
|
InputFile::rawPixelDataToBuffer (int scanLine,
|
|
char *pixelData,
|
|
int &pixelDataSize) const
|
|
{
|
|
try
|
|
{
|
|
if (_data->dsFile)
|
|
{
|
|
throw IEX_NAMESPACE::ArgExc ("Tried to read a raw scanline "
|
|
"from a deep image.");
|
|
}
|
|
|
|
else if (_data->isTiled)
|
|
{
|
|
throw IEX_NAMESPACE::ArgExc ("Tried to read a raw scanline "
|
|
"from a tiled image.");
|
|
}
|
|
|
|
_data->sFile->rawPixelDataToBuffer(scanLine, pixelData, pixelDataSize);
|
|
}
|
|
catch (IEX_NAMESPACE::BaseExc &e)
|
|
{
|
|
REPLACE_EXC (e, "Error reading pixel data from image "
|
|
"file \"" << fileName() << "\". " << e.what());
|
|
throw;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void
|
|
InputFile::rawTileData (int &dx, int &dy,
|
|
int &lx, int &ly,
|
|
const char *&pixelData,
|
|
int &pixelDataSize)
|
|
{
|
|
try
|
|
{
|
|
if (!_data->isTiled)
|
|
{
|
|
throw IEX_NAMESPACE::ArgExc ("Tried to read a raw tile "
|
|
"from a scanline-based image.");
|
|
}
|
|
|
|
_data->tFile->rawTileData (dx, dy, lx, ly, pixelData, pixelDataSize);
|
|
}
|
|
catch (IEX_NAMESPACE::BaseExc &e)
|
|
{
|
|
REPLACE_EXC (e, "Error reading tile data from image "
|
|
"file \"" << fileName() << "\". " << e.what());
|
|
throw;
|
|
}
|
|
}
|
|
|
|
|
|
TiledInputFile*
|
|
InputFile::tFile()
|
|
{
|
|
if (!_data->isTiled)
|
|
{
|
|
throw IEX_NAMESPACE::ArgExc ("Cannot get a TiledInputFile pointer "
|
|
"from an InputFile that is not tiled.");
|
|
}
|
|
|
|
return _data->tFile;
|
|
}
|
|
|
|
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_EXIT
|