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sane-project-backends/backend/plustek.h

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/*.............................................................................
* Project : SANE library for Plustek flatbed scanners.
*.............................................................................
*/
/** @file plustek.h
* @brief Definitions for the backend.
*
* Based on Kazuhiro Sasayama previous
* work on plustek.[ch] file from the SANE package.<br>
*
* original code taken from sane-0.71<br>
* Copyright (C) 1997 Hypercore Software Design, Ltd.<br>
* Copyright (C) 2001-2007 Gerhard Jaeger <gerhard@gjaeger.de>
*
* History:
* - 0.30 - initial version
* - 0.31 - no changes
* - 0.32 - no changes
* - 0.33 - no changes
* - 0.34 - moved some definitions and typedefs from plustek.c
* - 0.35 - removed OPT_MODEL from options list
* - added max_y to struct Plustek_Scan
* - 0.36 - added reader_pid, pipe and bytes_read to struct Plustek_Scanner
* - removed unused variables from struct Plustek_Scanner
* - moved fd from struct Plustek_Scanner to Plustek_Device
* - added next members to struct Plustek_Scanner and Plustek_Device
* - 0.37 - added max_x to struct Plustek_Device
* - 0.38 - added caps to struct Plustek_Device
* - added exit code to struct Plustek_Scanner
* - removed dropout stuff
* - 0.39 - PORTTYPE enum
* - added function pointers to control a scanner device
* (Parport and USB)
* - 0.40 - added USB stuff
* - 0.41 - added configuration stuff
* - 0.42 - added custom gamma tables
* - changed usbId to static array
* - added _MAX_ID_LEN
* - 0.43 - no changes
* - 0.44 - added flag initialized
* - 0.45 - added readLine function
* - 0.46 - flag initialized is now used as device index
* - added calFile to Plustek_Device
* - removed _OPT_HALFTONE
* - 0.47 - added mov to adjustment
* - changed stopScan function definition
* - removed open function
* - added OPT_LAMPSWITCH and OPT_WARMUPTIME
* - 0.48 - added OPT_CACHECAL, OPT_OVR_*, OPT_LAMPOFF_TIMER and
* OPT_LAMPOFF_ONEND, also did some cleanup
* - moved SCANDEF definitions to plustek-usb.h
* - removed function pointer
* - added OPT_BIT_DEPTH
* - 0.49 - added typedef struct DevList
* - added button stuff
* - added transferRate to struct Plustek_Device
* - 0.50 - cleanup
* - added OPT_SPEEDUP
* - 0.51 - added OPT_CALIBRATE
* - 0.52 - added skipDarkStrip and incDarkTgt to struct AdjDef
* - added OPT_LOFF4DARK
* .
* <hr>
* This file is part of the SANE package.
*
* 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, see <https://www.gnu.org/licenses/>.
*
* As a special exception, the authors of SANE give permission for
* additional uses of the libraries contained in this release of SANE.
*
* The exception is that, if you link a SANE library with other files
* to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. Your use of that executable is in no way restricted on
* account of linking the SANE library code into it.
*
* This exception does not, however, invalidate any other reasons why
* the executable file might be covered by the GNU General Public
* License.
*
* If you submit changes to SANE to the maintainers to be included in
* a subsequent release, you agree by submitting the changes that
* those changes may be distributed with this exception intact.
*
* If you write modifications of your own for SANE, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
* <hr>
*/
#ifndef __PLUSTEK_H__
#define __PLUSTEK_H__
/************************ some definitions ***********************************/
#define PLUSTEK_CONFIG_FILE "plustek.conf"
#ifndef PATH_MAX
# define PATH_MAX 1024
#endif
#define _MEASURE_BASE 300UL
#define _DEF_DPI 50
#define DEFAULT_RATE 1000000
/** the default image size
*/
#define _DEFAULT_TLX 0 /* 0..216 mm */
#define _DEFAULT_TLY 0 /* 0..297 mm */
#define _DEFAULT_BRX 103 /* 0..216 mm */
#define _DEFAULT_BRY 76.21 /* 0..297 mm */
#define _DEFAULT_TP_TLX 3.5 /* 0..42.3 mm */
#define _DEFAULT_TP_TLY 10.5 /* 0..43.1 mm */
#define _DEFAULT_TP_BRX 38.5 /* 0..42.3 mm */
#define _DEFAULT_TP_BRY 33.5 /* 0..43.1 mm */
#define _DEFAULT_NEG_TLX 1.5 /* 0..38.9 mm */
#define _DEFAULT_NEG_TLY 1.5 /* 0..29.6 mm */
#define _DEFAULT_NEG_BRX 37.5 /* 0..38.9 mm */
#define _DEFAULT_NEG_BRY 25.5 /* 0..29.6 mm */
/** image sizes for normal, transparent and negative modes
*/
#define _TPAPageWidth 500UL
#define _TPAPageHeight 510UL
#define _TPALargePageWidth 1270UL
#define _TPALargePageHeight 1570UL
#define _TPAMinDpi 150
#define _NegPageWidth 460UL
#define _NegPageHeight 350UL
#define _NegLargePageWidth 1270UL
#define _NegLargePageHeight 1570UL
#define _SCALE(X) ((double)(X)/300.0 * MM_PER_INCH)
/** scan modes
*/
#define COLOR_BW 0
#define COLOR_256GRAY 1
#define COLOR_GRAY16 2
#define COLOR_TRUE24 3
#define COLOR_TRUE48 4
/** usb id buffer
*/
#define _MAX_ID_LEN 20
/**
*/
#define SFLAG_ADF 0x00000010 /* Automatic document feeder */
#define SFLAG_TPA 0x00000080 /* has transparency adapter */
/**
*/
#define SOURCE_Reflection 0
#define SOURCE_Transparency 1
#define SOURCE_Negative 2
#define SOURCE_ADF 3
/** for Gamma tables
*/
#define _MAP_RED 0
#define _MAP_GREEN 1
#define _MAP_BLUE 2
#define _MAP_MASTER 3
/** generic error codes...
*/
#define _FIRST_ERR -9000
#define _E_ALLOC (_FIRST_ERR-1) /**< error allocating memory */
#define _E_INVALID (_FIRST_ERR-2) /**< invalid parameter detected */
#define _E_INTERNAL (_FIRST_ERR-3) /**< internal error */
#define _E_ABORT (_FIRST_ERR-4) /**< operation aborted */
#define _E_LAMP_NOT_IN_POS (_FIRST_ERR-10)
#define _E_LAMP_NOT_STABLE (_FIRST_ERR-11)
#define _E_NODATA (_FIRST_ERR-12)
#define _E_BUFFER_TOO_SMALL (_FIRST_ERR-13)
#define _E_DATAREAD (_FIRST_ERR-14)
/************************ some structures ************************************/
#define _ENABLE(option) s->opt[option].cap &= ~SANE_CAP_INACTIVE
#define _DISABLE(option) s->opt[option].cap |= SANE_CAP_INACTIVE
enum {
OPT_NUM_OPTS = 0,
OPT_MODE_GROUP,
OPT_MODE,
OPT_BIT_DEPTH,
OPT_EXT_MODE,
OPT_RESOLUTION,
OPT_PREVIEW,
OPT_GEOMETRY_GROUP,
OPT_TL_X,
OPT_TL_Y,
OPT_BR_X,
OPT_BR_Y,
OPT_ENHANCEMENT_GROUP,
OPT_BRIGHTNESS,
OPT_CONTRAST,
OPT_CUSTOM_GAMMA,
OPT_GAMMA_VECTOR,
OPT_GAMMA_VECTOR_R,
OPT_GAMMA_VECTOR_G,
OPT_GAMMA_VECTOR_B,
OPT_DEVICE_GROUP,
OPT_LAMPSWITCH,
OPT_LAMPOFF_TIMER,
OPT_LAMPOFF_ONEND,
OPT_WARMUPTIME,
OPT_LOFF4DARK,
OPT_CACHECAL,
OPT_SPEEDUP,
OPT_CALIBRATE,
OPT_AFE_GROUP,
OPT_OVR_REDGAIN,
OPT_OVR_GREENGAIN,
OPT_OVR_BLUEGAIN,
OPT_OVR_REDOFS,
OPT_OVR_GREENOFS,
OPT_OVR_BLUEOFS,
OPT_OVR_RED_LOFF,
OPT_OVR_GREEN_LOFF,
OPT_OVR_BLUE_LOFF,
OPT_BUTTON_GROUP,
OPT_BUTTON_0,
OPT_BUTTON_1,
OPT_BUTTON_2,
OPT_BUTTON_3,
OPT_BUTTON_4,
OPT_BUTTON_LAST = OPT_BUTTON_4,
NUM_OPTIONS
};
/**
*/
typedef struct {
int x;
int y;
} OffsDef, *pOffsDef;
/** for adjusting the scanner settings
*/
typedef struct {
int mov; /**< model override */
int lampOff;
int lampOffOnEnd;
int warmup;
int enableTpa;
int skipCalibration; /**< skip entire calibration */
int skipFine;
int skipFineWhite;
int skipDarkStrip;
int incDarkTgt;
int disableSpeedup;
int invertNegatives;
int cacheCalData;
int altCalibrate; /* force use of the alternate canoscan autocal;
perhaps other Canon scanners require the
alternate autocalibration as well */
/* AFE adjustemnts, gain and offset */
int rgain;
int ggain;
int bgain;
int rofs;
int gofs;
int bofs;
int rlampoff; /* for red lamp off setting (CIS-scanner) */
int glampoff; /* for green lamp off setting (CIS-scanner) */
int blampoff; /* for blue lamp off setting (CIS-scanner) */
OffsDef pos; /* for adjusting normal scan area */
OffsDef tpa; /* for adjusting transparency scan area */
OffsDef neg; /* for adjusting negative scan area */
int posShadingY;
int tpaShadingY;
int negShadingY;
/* for adjusting the default gamma settings */
double rgamma;
double ggamma;
double bgamma;
double graygamma;
} AdjDef;
typedef struct {
unsigned short x;
unsigned short y;
unsigned short cx;
unsigned short cy;
} CropRect;
typedef struct image {
unsigned long dwFlag;
CropRect crArea;
XY xyDpi;
unsigned short wDataType;
} ImgDef;
typedef struct {
unsigned long dwPixelsPerLine;
unsigned long dwBytesPerLine;
unsigned long dwLinesPerArea;
ImgDef ImgDef;
} CropInfo;
typedef struct {
ImgDef ImgDef;
short siBrightness;
short siContrast;
} ScanInfo;
typedef struct {
unsigned long dwFlag;
unsigned short wMaxExtentX; /**< scanarea width */
unsigned short wMaxExtentY; /**< scanarea height */
} ScannerCaps;
typedef struct Plustek_Device
{
SANE_Int initialized; /* device already initialized? */
struct Plustek_Device *next; /* pointer to next dev in list */
int fd; /* device handle */
char *name; /* (to avoid compiler warnings!)*/
char *calFile; /* for saving calibration data */
unsigned long transferRate; /* detected USB-Speed in Bytes/s*/
SANE_Device sane; /* info struct */
SANE_Int max_x; /* max XY-extension of the scan-*/
SANE_Int max_y; /* area */
SANE_Range dpi_range; /* resolution range */
SANE_Range x_range; /* x-range of the scan-area */
SANE_Range y_range; /* y-range of the scan-area */
SANE_Int *res_list; /* to hold the available phys. */
SANE_Int res_list_size; /* resolution values */
ScannerCaps caps; /* caps reported by the driver */
AdjDef adj; /* for driver adjustment */
/**************************** USB-stuff **********************************/
char usbId[_MAX_ID_LEN];/* to keep Vendor and product */
/* ID string (from conf) file */
struct ScanDef scanning; /* here we hold all stuff for */
/* the USB-scanner */
struct DeviceDef usbDev;
#ifdef HAVE_SETITIMER
struct itimerval saveSettings; /* for lamp timer */
#endif
} Plustek_Device;
#ifndef SANE_OPTION
/* for compatibility with older versions */
typedef union
{
SANE_Word w;
SANE_Word *wa;
SANE_String s;
} Option_Value;
#endif
typedef struct Plustek_Scanner
{
struct Plustek_Scanner *next;
SANE_Pid reader_pid; /* process id of reader */
SANE_Status exit_code; /* status of the reader process */
int r_pipe; /* pipe to reader process */
int w_pipe; /* pipe from reader process */
unsigned long bytes_read; /* number of bytes currently read*/
Plustek_Device *hw; /* pointer to current device */
Option_Value val[NUM_OPTIONS];
SANE_Byte *buf; /* the image buffer */
SANE_Bool scanning; /* TRUE during scan-process */
SANE_Bool calibrating; /* TRUE during calibration */
SANE_Bool ipc_read_done; /* TRUE after ipc has been red */
SANE_Parameters params; /* for keeping the parameter */
/************************** gamma tables *********************************/
SANE_Word gamma_table[4][4096];
SANE_Range gamma_range;
int gamma_length;
SANE_Option_Descriptor opt[NUM_OPTIONS];
} Plustek_Scanner;
/** for collecting configuration info...
*/
typedef struct {
char devName[PATH_MAX];
char usbId[_MAX_ID_LEN];
/* contains the stuff to adjust... */
AdjDef adj;
} CnfDef;
/** for supported device list
*/
typedef struct DevList {
SANE_Word vendor_id;
SANE_Word device_id;
SANE_Bool attached;
SANE_Char *dev_name;
struct DevList *next;
} DevList;
#endif /* guard __PLUSTEK_H__ */
/* END PLUSTEK.H.............................................................*/
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