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Diffstat (limited to 'frontend/pisa_scan_manager.h')
| -rw-r--r-- | frontend/pisa_scan_manager.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/frontend/pisa_scan_manager.h b/frontend/pisa_scan_manager.h new file mode 100644 index 0000000..18002ef --- /dev/null +++ b/frontend/pisa_scan_manager.h @@ -0,0 +1,151 @@ +/* + 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 + |