Disabled external gits

cs440-acg/ext/openexr/OpenEXR/IlmImf/ImfZipCompressor.cpp

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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.
+//
+///////////////////////////////////////////////////////////////////////////
+
+
+
+//-----------------------------------------------------------------------------
+//
+//	class ZipCompressor
+//
+//-----------------------------------------------------------------------------
+
+#include "ImfZipCompressor.h"
+#include "ImfCheckedArithmetic.h"
+#include "Iex.h"
+#include <zlib.h>
+#include "ImfNamespace.h"
+
+OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_ENTER
+
+
+ZipCompressor::ZipCompressor
+    (const Header &hdr,
+     size_t maxScanLineSize,
+     size_t numScanLines)
+:
+    Compressor (hdr),
+    _maxScanLineSize (maxScanLineSize),
+    _numScanLines (numScanLines),
+    _outBuffer (0),
+    _zip(maxScanLineSize, numScanLines)
+{
+    _outBuffer = new char[_zip.maxCompressedSize()];
+}
+
+
+ZipCompressor::~ZipCompressor ()
+{
+    delete [] _outBuffer;
+}
+
+
+int
+ZipCompressor::numScanLines () const
+{
+    return _numScanLines;
+}
+
+
+int
+ZipCompressor::compress (const char *inPtr,
+			 int inSize,
+			 int minY,
+			 const char *&outPtr)
+{
+    //
+    // Special case <20>- empty input buffer
+    //
+
+    if (inSize == 0)
+    {
+	outPtr = _outBuffer;
+	return 0;
+    }
+
+    int outSize = _zip.compress(inPtr, inSize, _outBuffer);
+
+    outPtr = _outBuffer;
+    return outSize;
+}
+
+
+int
+ZipCompressor::uncompress (const char *inPtr,
+			   int inSize,
+			   int minY,
+			   const char *&outPtr)
+{
+    //
+    // Special case <20>- empty input buffer
+    //
+
+    if (inSize == 0)
+    {
+	outPtr = _outBuffer;
+	return 0;
+    }
+
+    int outSize = _zip.uncompress(inPtr, inSize, _outBuffer);
+
+    outPtr = _outBuffer;
+    return outSize;
+}
+
+
+OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_EXIT
+