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/*
SANE EPSON backend
Copyright (C) 2001, 2005, 2008, 2009 SEIKO EPSON CORPORATION
Date Author Reason
06/01/2001 N.Sasaki New
This file is part of the `iscan' program.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
As a special exception, the copyright holders give permission
to link the code of this program with the esmod library and
distribute linked combinations including the two. You must obey
the GNU General Public License in all respects for all of the
code used other then esmod.
*/
#ifndef ___PISA_SCAN_MANAGER_H
#define ___PISA_SCAN_MANAGER_H
#include "esmod-wrapper.hh"
#include "pisa_sane_scan.h"
#include "pisa_error.h"
class scan_manager : public sane_scan
{
public:
// operator
void open_device ( char * name = 0 );
void init_preview (int *width, int *height);
void init_scan (int *width, int *height, bool reset_params = true);
void adjust_scan_param (long *resolution, long *scale) const;
void get_valid_resolution (long int *x_res, long int *y_res,
bool use_max = false) const;
void acquire_image ( unsigned char * img,
int row_bytes,
int height,
int cancel );
int release_memory ( void );
pisa_error_id set_scan_parameters (const settings& set,
const marquee& marq);
pisa_error_id set_scan_parameters (const settings& set,
const marquee& marq,
int resolution);
bool adf_duplex_direction_matches (void) const;
void has_prev_img ( int has_prev );
bool push_button_needs_polling (void) const;
protected:
void set_scan_parameters (bool is_preview = false);
void start_scan (int *width, int *height);
private:
typedef struct _IMAGE_INFO {
unsigned char* pImg_Buf;
long Img_Width;
long Img_Height;
unsigned long Img_RowBytes;
short BitsPerPixel;
} IMAGE_INFO, *LPIMAGE_INFO;
// operation
int init_img_process_info (void);
int init_zoom (resize_img_info *info);
int init_moire (moire_img_info *info);
int init_sharp (sharp_img_info *info);
int modify_img_info ( int * width, int * height );
int create_img_cls ( void );
void set_img_info ( LPIMAGE_INFO in_img_info,
LPIMAGE_INFO out_img_info,
const img_size & size );
void update_settings (bool is_preview);
bool area_is_too_large (void) const;
// FIXME: the following block of member functions should not be the
// responsibility of the scan_manager. They can be removed
// once the filter class hierarchy has support for chaining
// of filters and this class no longer needs to baby sit the
// data transfers.
int get_send_in_line ( int out_line );
int image_process ( unsigned char * in_img, unsigned char * out_img );
// for image module
long m_resize;
long m_moire;
long m_sharp;
resize_img_info m_resize_info;
moire_img_info m_moire_info;
sharp_img_info m_sharp_info;
iscan::scale * m_resize_cls;
iscan::moire * m_moire_cls;
iscan::focus * m_sharp_cls;
enum { _IN, _OUT };
IMAGE_INFO * m_resize_img_info;
IMAGE_INFO * m_moire_img_info;
IMAGE_INFO * m_sharp_img_info;
char _pixeltype;
char _bitdepth;
char _dropout;
char _monoopt;
char _halftone;
double _offset[2];
double _area[2];
long _resolution[2];
long _zoom[2];
gamma_struct _gamma;
double _coef[9];
long _threshold;
long _speed;
long _focus;
long _usm;
long _brightness;
long _contrast;
long _deskew;
long _de_screening;
long _max_descreen_resolution;
int _has_prev_img;
};
#endif // ___PISA_SCAN_MANAGER_H
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