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-rwxr-xr-xtiff/contrib/stream/tiffstream.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/tiff/contrib/stream/tiffstream.h b/tiff/contrib/stream/tiffstream.h
new file mode 100755
index 0000000..a583ae2
--- /dev/null
+++ b/tiff/contrib/stream/tiffstream.h
@@ -0,0 +1,70 @@
+// tiff stream interface class definition
+
+#ifndef _TIFF_STREAM_H_
+#define _TIFF_STREAM_H_
+
+#include <iostream.h>
+
+#include "tiffio.h"
+
+class TiffStream {
+
+public:
+ // ctor/dtor
+ TiffStream();
+ ~TiffStream();
+
+public:
+ enum SeekDir {
+ beg,
+ cur,
+ end,
+ };
+
+public:
+ // factory methods
+ TIFF* makeFileStream(iostream* str);
+ TIFF* makeFileStream(istream* str);
+ TIFF* makeFileStream(ostream* str);
+
+public:
+ // tiff client methods
+ static tsize_t read(thandle_t fd, tdata_t buf, tsize_t size);
+ static tsize_t write(thandle_t fd, tdata_t buf, tsize_t size);
+ static toff_t seek(thandle_t fd, toff_t offset, int origin);
+ static toff_t size(thandle_t fd);
+ static int close(thandle_t fd);
+ static int map(thandle_t fd, tdata_t* phase, toff_t* psize);
+ static void unmap(thandle_t fd, tdata_t base, tsize_t size);
+
+public:
+ // query method
+ TIFF* getTiffHandle() const { return m_tif; }
+ unsigned int getStreamLength() { return m_streamLength; }
+
+private:
+ // internal methods
+ unsigned int getSize(thandle_t fd);
+ unsigned int tell(thandle_t fd);
+ bool seekInt(thandle_t fd, unsigned int offset, int origin);
+ bool isOpen(thandle_t fd);
+
+private:
+ thandle_t m_this;
+ TIFF* m_tif;
+ static const char* m_name;
+ istream* m_inStream;
+ ostream* m_outStream;
+ iostream* m_ioStream;
+ int m_streamLength;
+
+};
+
+#endif // _TIFF_STREAM_H_
+/*
+ * Local Variables:
+ * mode: c++
+ * c-basic-offset: 8
+ * fill-column: 78
+ * End:
+ */