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cs440-acg/ext/openexr/OpenEXR/IlmImf/ImfTileDescription.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_TILE_DESCRIPTION_H
+#define INCLUDED_IMF_TILE_DESCRIPTION_H
+
+//-----------------------------------------------------------------------------
+//
+//	class TileDescription and enum LevelMode
+//
+//-----------------------------------------------------------------------------
+#include "ImfNamespace.h"
+
+OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
+
+
+enum LevelMode
+{
+    ONE_LEVEL = 0,
+    MIPMAP_LEVELS = 1,
+    RIPMAP_LEVELS = 2,
+    
+    NUM_LEVELMODES	// number of different level modes
+};
+
+
+enum LevelRoundingMode
+{
+    ROUND_DOWN = 0,
+    ROUND_UP = 1,
+
+    NUM_ROUNDINGMODES	// number of different rounding modes
+};
+
+
+class TileDescription
+{
+  public:
+
+    unsigned int	xSize;		// size of a tile in the x dimension
+    unsigned int	ySize;		// size of a tile in the y dimension
+    LevelMode		mode;
+    LevelRoundingMode	roundingMode;
+    
+    TileDescription (unsigned int xs = 32,
+		     unsigned int ys = 32,
+                     LevelMode m = ONE_LEVEL,
+		     LevelRoundingMode r = ROUND_DOWN)
+    :
+        xSize (xs),
+	ySize (ys),
+	mode (m),
+	roundingMode (r)
+    {
+	// empty
+    }
+
+    bool
+    operator == (const TileDescription &other) const
+    {
+	return xSize        == other.xSize &&
+	       ySize        == other.ySize &&
+	       mode         == other.mode &&
+	       roundingMode == other.roundingMode;
+    }
+};
+
+
+OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
+
+
+
+
+
+#endif