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cs440-acg/ext/openexr/OpenEXR/IlmImf/ImfTiledMisc.h

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+///////////////////////////////////////////////////////////////////////////
+//
+// 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