1 files changed, 69 insertions, 0 deletions
diff --git a/tiff/contrib/stream/tiffstream.h b/tiff/contrib/stream/tiffstream.h
new file mode 100644
index 0000000..815a1a5
--- /dev/null
+++ b/tiff/contrib/stream/tiffstream.h
@@ -0,0 +1,69 @@
+// 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:
+ */