1 files changed, 69 insertions, 0 deletions
diff --git a/svtools/source/filter/igif/decode.hxx b/svtools/source/filter/igif/decode.hxx
new file mode 100644
index 000000000000..3dd6328839d9
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+++ b/svtools/source/filter/igif/decode.hxx
@@ -0,0 +1,69 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _DECODE_HXX
+#define _DECODE_HXX
+
+#include <vcl/bmpacc.hxx>
+
+struct GIFLZWTableEntry;
+
+class GIFLZWDecompressor
+{
+    GIFLZWTableEntry*   pTable;
+    HPBYTE              pOutBuf;
+    HPBYTE              pOutBufData;
+    HPBYTE              pBlockBuf;
+    sal_uLong               nInputBitsBuf;
+    sal_uInt16              nTableSize;
+    sal_uInt16              nClearCode;
+    sal_uInt16              nEOICode;
+    sal_uInt16              nCodeSize;
+    sal_uInt16              nOldCode;
+    sal_uInt16              nOutBufDataLen;
+    sal_uInt16              nInputBitsBufSize;
+    sal_Bool                bEOIFound;
+    sal_uInt8               nDataSize;
+    sal_uInt8               nBlockBufSize;
+    sal_uInt8               nBlockBufPos;
+
+    void                AddToTable(sal_uInt16 nPrevCode, sal_uInt16 nCodeFirstData);
+    sal_Bool                ProcessOneCode();
+
+
+public:
+
+                        GIFLZWDecompressor( sal_uInt8 cDataSize );
+                        ~GIFLZWDecompressor();
+
+    HPBYTE              DecompressBlock( HPBYTE pSrc, sal_uInt8 cBufSize, sal_uLong& rCount, sal_Bool& rEOI );
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */