src/tiff/contrib/stream/tiffstream.h

// 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_
Commit	Line	Data
	1	// tiff stream interface class definition
	2
	3	#ifndef _TIFF_STREAM_H_
	4	#define _TIFF_STREAM_H_
	5
	6	#include <iostream.h>
	7
	8	#include "tiffio.h"
	9
	10	class TiffStream {
	11
	12	public:
	13	// ctor/dtor
	14	TiffStream();
	15	~TiffStream();
	16
	17	public:
	18	enum SeekDir {
	19	beg,
	20	cur,
	21	end,
	22	};
	23
	24	public:
	25	// factory methods
	26	TIFF* makeFileStream(iostream* str);
	27	TIFF* makeFileStream(istream* str);
	28	TIFF* makeFileStream(ostream* str);
	29
	30	public:
	31	// tiff client methods
	32	static tsize_t read(thandle_t fd, tdata_t buf, tsize_t size);
	33	static tsize_t write(thandle_t fd, tdata_t buf, tsize_t size);
	34	static toff_t seek(thandle_t fd, toff_t offset, int origin);
	35	static toff_t size(thandle_t fd);
	36	static int close(thandle_t fd);
	37	static int map(thandle_t fd, tdata_t* phase, toff_t* psize);
	38	static void unmap(thandle_t fd, tdata_t base, tsize_t size);
	39
	40	public:
	41	// query method
	42	TIFF* getTiffHandle() const { return m_tif; }
	43	unsigned int getStreamLength() { return m_streamLength; }
	44
	45	private:
	46	// internal methods
	47	unsigned int getSize(thandle_t fd);
	48	unsigned int tell(thandle_t fd);
	49	bool seekInt(thandle_t fd, unsigned int offset, int origin);
	50	bool isOpen(thandle_t fd);
	51
	52	private:
	53	thandle_t m_this;
	54	TIFF* m_tif;
	55	static const char* m_name;
	56	istream* m_inStream;
	57	ostream* m_outStream;
	58	iostream* m_ioStream;
	59	int m_streamLength;
	60
	61	};
	62
	63	#endif // _TIFF_STREAM_H_