107 lines
3.7 KiB
C
107 lines
3.7 KiB
C
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///////////////////////////////////////////////////////////////////////////
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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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#ifndef INCLUDED_IMF_TILED_MISC_H
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#define INCLUDED_IMF_TILED_MISC_H
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//-----------------------------------------------------------------------------
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//
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// Miscellaneous stuff related to tiled files
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//
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//-----------------------------------------------------------------------------
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#include "ImathBox.h"
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#include "ImfHeader.h"
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#include "ImfNamespace.h"
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#include <stdio.h>
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#include <vector>
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OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
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IMF_EXPORT
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int levelSize (int min, int max, int l, LevelRoundingMode rmode);
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IMF_EXPORT
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IMATH_NAMESPACE::Box2i dataWindowForLevel (const TileDescription &tileDesc,
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int minX, int maxX,
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int minY, int maxY,
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int lx, int ly);
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IMF_EXPORT
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IMATH_NAMESPACE::Box2i dataWindowForTile (const TileDescription &tileDesc,
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int minX, int maxX,
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int minY, int maxY,
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int dx, int dy,
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int lx, int ly);
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IMF_EXPORT
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size_t calculateBytesPerPixel (const Header &header);
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//
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// Calculate the count of bytes for each lines in range [minY, maxY],
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// and pixels in range [minX, maxX].
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// Data will be saved in bytesPerLine.
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// sampleCountBase, sampleCountXStride and sampleCountYStride are
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// used to get the sample count values.
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//
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IMF_EXPORT
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void calculateBytesPerLine (const Header &header,
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char* sampleCountBase,
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int sampleCountXStride,
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int sampleCountYStride,
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int minX, int maxX,
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int minY, int maxY,
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std::vector<int>& xOffsets,
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std::vector<int>& yOffsets,
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std::vector<Int64>& bytesPerLine);
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IMF_EXPORT
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void precalculateTileInfo (const TileDescription& tileDesc,
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int minX, int maxX,
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int minY, int maxY,
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int *&numXTiles, int *&numYTiles,
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int &numXLevels, int &numYLevels);
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IMF_EXPORT
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int getTiledChunkOffsetTableSize(const Header& header);
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OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
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#endif
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