///////////////////////////////////////////////////////////////////////////

//

// Copyright (c) 2004, 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.

//

///////////////////////////////////////////////////////////////////////////

#ifndef INCLUDED_IMF_TILED_MISC_H

#define INCLUDED_IMF_TILED_MISC_H

//-----------------------------------------------------------------------------

//

//	Miscellaneous stuff related to tiled files

//

//-----------------------------------------------------------------------------

#include "ImathBox.h"

#include "ImfHeader.h"

#include "ImfNamespace.h"

#include <stdio.h>

#include <vector>

OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER

IMF_EXPORT 

int levelSize (int min, int max, int l, LevelRoundingMode rmode);

IMF_EXPORT 

IMATH_NAMESPACE::Box2i dataWindowForLevel (const TileDescription &tileDesc,

				 int minX, int maxX,

				 int minY, int maxY,

				 int lx, int ly);

IMF_EXPORT 

IMATH_NAMESPACE::Box2i dataWindowForTile (const TileDescription &tileDesc,

				int minX, int maxX,

				int minY, int maxY,

				int dx, int dy,

				int lx, int ly);

IMF_EXPORT 

size_t calculateBytesPerPixel (const Header &header);

//

// Calculate the count of bytes for each lines in range [minY, maxY],

// and pixels in range [minX, maxX].

// Data will be saved in bytesPerLine.

// sampleCountBase, sampleCountXStride and sampleCountYStride are

// used to get the sample count values.

//

IMF_EXPORT 

void calculateBytesPerLine (const Header &header,

                            char* sampleCountBase,

                            int sampleCountXStride,

                            int sampleCountYStride,

                            int minX, int maxX,

                            int minY, int maxY,

                            std::vector<int>& xOffsets,

                            std::vector<int>& yOffsets,

                            std::vector<Int64>& bytesPerLine);

IMF_EXPORT 

void precalculateTileInfo (const TileDescription& tileDesc,

			   int minX, int maxX,

			   int minY, int maxY,

			   int *&numXTiles, int *&numYTiles,

			   int &numXLevels, int &numYLevels);

IMF_EXPORT 

int getTiledChunkOffsetTableSize(const Header& header);

OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT

#endif