Update to 2.0.0 tree from current Fremantle build

[opencv] / 3rdparty / include / OpenEXR / ImfHuf.h

diff --git a/3rdparty/include/OpenEXR/ImfHuf.h b/3rdparty/include/OpenEXR/ImfHuf.h
new file mode 100644 (file)
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+++ b/3rdparty/include/OpenEXR/ImfHuf.h
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+///////////////////////////////////////////////////////////////////////////
+//
+// Copyright (c) 2002, 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_HUF_H
+#define INCLUDED_IMF_HUF_H
+
+
+//-----------------------------------------------------------------------------
+//
+//     16-bit Huffman compression and decompression:
+//
+//     hufCompress (r, nr, c)
+//
+//             Compresses the contents of array r (of length nr),
+//             stores the compressed data in array c, and returns
+//             the size of the compressed data (in bytes).
+//
+//             To avoid buffer overflows, the size of array c should
+//             be at least 2 * nr + 65536.
+//
+//     hufUncompress (c, nc, r, nr)
+//
+//             Uncompresses the data in array c (with length nc),
+//             and stores the results in array r (with length nr).
+//
+//-----------------------------------------------------------------------------
+
+namespace Imf {
+
+
+int
+hufCompress (const unsigned short raw[/*nRaw*/],
+            int nRaw,
+            char compressed[/*2 * nRaw + 65536*/]);
+
+
+void
+hufUncompress (const char compressed[/*nCompressed*/],
+              int nCompressed,
+              unsigned short raw[/*nRaw*/],
+              int nRaw);
+
+
+} // namespace Imf
+
+#endif