#pragma once
#include "s2t_api.h"


class refer : public IRef
{
	volatile long ref_;

protected:
	refer();
	virtual ~refer();

	// IRef
public:
	COM_API_OVERRIDE(long, add_ref(void));
	COM_API_OVERRIDE(long, release(void));
};

class scanned_img : public IScanImg, virtual public refer
{
	SANE_Parameters head_;
	unsigned char*	data_;
	unsigned int	bytes_;

	std::string file_header(SANE_ImageType type, float resolution);

public:
	scanned_img(SANE_Parameters head, unsigned char* data);


protected:
	~scanned_img();

	// IRef
public:
	COM_API_OVERRIDE(long, add_ref(void));
	COM_API_OVERRIDE(long, release(void));

	// IScanImg
public:
	COM_API_OVERRIDE(int, width(void));
	COM_API_OVERRIDE(int, line_bytes(void));
	COM_API_OVERRIDE(int, height(void));
	COM_API_OVERRIDE(int, depth(void));
	COM_API_OVERRIDE(int, channel(void));
	COM_API_OVERRIDE(SANE_Frame, type(void));
	COM_API_OVERRIDE(unsigned int, bytes(void));
	COM_API_OVERRIDE(unsigned char*, bits(void));
	COM_API_OVERRIDE(void, copy_header(SANE_Parameters* head));
};