/////////////////////////////////////////////////////////////////////////////
-// Name: zstream.h
+// Name: wx/zstream.h
// Purpose: Memory stream classes
// Author: Guilhem Lavaux
// Modified by: Mike Wetherell
#if wxUSE_ZLIB && wxUSE_STREAMS
#include "wx/stream.h"
+#include "wx/versioninfo.h"
// Compression level
-enum {
+enum wxZlibCompressionLevels {
wxZ_DEFAULT_COMPRESSION = -1,
wxZ_NO_COMPRESSION = 0,
wxZ_BEST_SPEED = 1,
};
// Flags
-enum {
-#if WXWIN_COMPATIBILITY_2_4
- wxZLIB_24COMPATIBLE = 4, // read v2.4.x data without error
-#endif
+enum wxZLibFlags {
wxZLIB_NO_HEADER = 0, // raw deflate stream, no header or checksum
wxZLIB_ZLIB = 1, // zlib header and checksum
wxZLIB_GZIP = 2, // gzip header and checksum, requires zlib 1.2.1+
static bool CanHandleGZip();
+ bool SetDictionary(const char *data, const size_t datalen);
+ bool SetDictionary(const wxMemoryBuffer &buf);
+
protected:
size_t OnSysRead(void *buffer, size_t size);
wxFileOffset OnSysTell() const { return m_pos; }
unsigned char *m_z_buffer;
struct z_stream_s *m_inflate;
wxFileOffset m_pos;
-#if WXWIN_COMPATIBILITY_2_4
- bool m_24compatibilty;
-#endif
- DECLARE_NO_COPY_CLASS(wxZlibInputStream)
+ wxDECLARE_NO_COPY_CLASS(wxZlibInputStream);
};
class WXDLLIMPEXP_BASE wxZlibOutputStream: public wxFilterOutputStream {
static bool CanHandleGZip();
+ bool SetDictionary(const char *data, const size_t datalen);
+ bool SetDictionary(const wxMemoryBuffer &buf);
+
protected:
size_t OnSysWrite(const void *buffer, size_t size);
wxFileOffset OnSysTell() const { return m_pos; }
struct z_stream_s *m_deflate;
wxFileOffset m_pos;
- DECLARE_NO_COPY_CLASS(wxZlibOutputStream)
+ wxDECLARE_NO_COPY_CLASS(wxZlibOutputStream);
};
class WXDLLIMPEXP_BASE wxZlibClassFactory: public wxFilterClassFactory
DECLARE_DYNAMIC_CLASS(wxGzipClassFactory)
};
+WXDLLIMPEXP_BASE wxVersionInfo wxGetZlibVersionInfo();
+
#endif
// wxUSE_ZLIB && wxUSE_STREAMS