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authorBjoern Michaelsen <bjoern.michaelsen@canonical.com>2013-04-18 18:26:28 +0200
committerBjoern Michaelsen <bjoern.michaelsen@canonical.com>2013-04-23 22:20:31 +0200
commitb9337e22ce1dbf2eba0e8c8db294ae99f4111f91 (patch)
tree53ee1bd3dfd213815a21579151983cb997922b05 /include/tools/zcodec.hxx
parentf4e1642a1761d5eab6ccdd89928869c2b2f1528a (diff)
execute move of global headers
see https://gerrit.libreoffice.org/#/c/3367/ and Change-Id: I00c96fa77d04b33a6f8c8cd3490dfcd9bdc9e84a for details Change-Id: I199a75bc4042af20817265d5ef85b1134a96ff5a
Diffstat (limited to 'include/tools/zcodec.hxx')
-rw-r--r--include/tools/zcodec.hxx110
1 files changed, 110 insertions, 0 deletions
diff --git a/include/tools/zcodec.hxx b/include/tools/zcodec.hxx
new file mode 100644
index 000000000000..185cb1d9ecb0
--- /dev/null
+++ b/include/tools/zcodec.hxx
@@ -0,0 +1,110 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef _ZCODEC_HXX
+#define _ZCODEC_HXX
+
+#include "tools/toolsdllapi.h"
+#include <tools/solar.h>
+
+// Defines
+
+#define DEFAULT_IN_BUFSIZE (0x00008000UL)
+#define DEFAULT_OUT_BUFSIZE (0x00008000UL)
+
+#define MAX_MEM_USAGE 8
+
+// memory requirement using compress:
+// [ INBUFFER ] + [ OUTBUFFER ] + 128KB + 1 << (MEM_USAGE+9)
+// memory requirement using decompress:
+// [ INBUFFER ] + [ OUTBUFFER ] + 32KB
+
+#define ZCODEC_NO_COMPRESSION (0x00000000UL)
+#define ZCODEC_BEST_SPEED (0x00000001UL)
+#define ZCODEC_DEFAULT_COMPRESSION (0x00000006UL)
+#define ZCODEC_BEST_COMPRESSION (0x00000009UL)
+
+#define ZCODEC_DEFAULT_STRATEGY (0x00000000UL)
+#define ZCODEC_ZFILTERED (0x00000100UL)
+#define ZCODEC_ZHUFFMAN_ONLY (0x00000200UL)
+
+#define ZCODEC_UPDATE_CRC (0x00010000UL)
+#define ZCODEC_GZ_LIB (0x00020000UL)
+
+#define ZCODEC_PNG_DEFAULT ( ZCODEC_NO_COMPRESSION | ZCODEC_DEFAULT_STRATEGY | ZCODEC_UPDATE_CRC )
+#define ZCODEC_DEFAULT ( ZCODEC_DEFAULT_COMPRESSION | ZCODEC_DEFAULT_STRATEGY )
+
+class SvStream;
+
+class TOOLS_DLLPUBLIC ZCodec
+{
+private:
+ sal_uIntPtr mbInit;
+ sal_Bool mbStatus;
+ sal_Bool mbFinish;
+ sal_uIntPtr mnMemUsage;
+ SvStream* mpIStm;
+ sal_uInt8* mpInBuf;
+ sal_uIntPtr mnInBufSize;
+ sal_uIntPtr mnInToRead;
+ SvStream* mpOStm;
+ sal_uInt8* mpOutBuf;
+ sal_uIntPtr mnOutBufSize;
+
+ sal_uIntPtr mnCRC;
+ sal_uIntPtr mnCompressMethod;
+ void* mpsC_Stream;
+
+ void ImplInitBuf( sal_Bool nIOFlag );
+ void ImplWriteBack( void );
+
+public:
+ ZCodec( sal_uIntPtr nInBuf, sal_uIntPtr nOutBuf, sal_uIntPtr nMemUsage = MAX_MEM_USAGE );
+ ZCodec( void );
+ virtual ~ZCodec();
+
+ virtual void BeginCompression( sal_uIntPtr nCompressMethod = ZCODEC_DEFAULT );
+ virtual long EndCompression();
+ sal_Bool IsFinished () const { return mbFinish; }
+
+ long Compress( SvStream& rIStm, SvStream& rOStm );
+ long Decompress( SvStream& rIStm, SvStream& rOStm );
+
+ long Write( SvStream& rOStm, const sal_uInt8* pData, sal_uIntPtr nSize );
+ long Read( SvStream& rIStm, sal_uInt8* pData, sal_uIntPtr nSize );
+ long ReadAsynchron( SvStream& rIStm, sal_uInt8* pData, sal_uIntPtr nSize );
+
+ void SetBreak( sal_uIntPtr );
+ sal_uIntPtr GetBreak( void );
+ void SetCRC( sal_uIntPtr nCurrentCRC );
+ sal_uIntPtr UpdateCRC( sal_uIntPtr nLatestCRC, sal_uInt8* pSource, long nDatSize );
+ sal_uIntPtr GetCRC();
+};
+
+class GZCodec : public ZCodec
+{
+public:
+ GZCodec(){};
+ ~GZCodec(){};
+ virtual void BeginCompression( sal_uIntPtr nCompressMethod = ZCODEC_DEFAULT );
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */