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sane-project-backends/backend/kvs20xx_opt.c

802 wiersze
22 KiB
C
Czysty Wina Historia

/*
Copyright (C) 2008, Panasonic Russia Ltd.
Copyright (C) 2010, m. allan noah
*/
/*
Panasonic KV-S20xx USB-SCSI scanners.
*/
#include "../include/sane/config.h"
#include <string.h>
#define DEBUG_DECLARE_ONLY
#define BACKEND_NAME kvs20xx
#include "../include/sane/sane.h"
#include "../include/sane/saneopts.h"
#include "../include/sane/sanei.h"
#include "../include/sane/sanei_backend.h"
#include "../include/sane/sanei_config.h"
#include "../include/lassert.h"
#include "kvs20xx.h"
#include "kvs20xx_cmd.h"
static size_t
max_string_size (SANE_String_Const strings[])
{
size_t size, max_size = 0;
SANE_Int i;
for (i = 0; strings[i]; ++i)
{
size = strlen (strings[i]) + 1;
if (size > max_size)
max_size = size;
}
return max_size;
}
static SANE_String_Const mode_list[] = {
SANE_VALUE_SCAN_MODE_LINEART,
SANE_VALUE_SCAN_MODE_GRAY,
SANE_VALUE_SCAN_MODE_COLOR,
NULL
};
static const unsigned mode_val[] = { 0, 2, 5 };
static const unsigned bps_val[] = { 1, 8, 24 };
static const SANE_Range resolutions_range = {100,600,10};
/* List of feeder modes */
static SANE_String_Const feeder_mode_list[] = {
SANE_I18N ("single"),
SANE_I18N ("continuous"),
NULL
};
/* List of manual feed mode */
static SANE_String_Const manual_feed_list[] = {
SANE_I18N ("off"),
SANE_I18N ("wait_doc"),
SANE_I18N ("wait_key"),
NULL
};
/* List of paper sizes */
static SANE_String_Const paper_list[] = {
SANE_I18N ("user_def"),
SANE_I18N ("business_card"),
/*SANE_I18N("Check"), */
/*SANE_I18N ("A3"), */
SANE_I18N ("A4"),
SANE_I18N ("A5"),
SANE_I18N ("A6"),
SANE_I18N ("Letter"),
/*SANE_I18N ("Double letter 11x17 in"),
SANE_I18N ("B4"), */
SANE_I18N ("B5"),
SANE_I18N ("B6"),
SANE_I18N ("Legal"),
NULL
};
static const unsigned paper_val[] = { 0, 1, 4, 5, 6, 7, 13, 14, 15 };
struct paper_size
{
int width;
int height;
};
static const struct paper_size paper_sizes[] = {
{210, 297}, /* User defined, default=A4 */
{54, 90}, /* Business card */
/*{80, 170}, *//* Check (China business) */
/*{297, 420}, *//* A3 */
{210, 297}, /* A4 */
{148, 210}, /* A5 */
{105, 148}, /* A6 */
{215, 280}, /* US Letter 8.5 x 11 in */
/*{280, 432}, *//* Double Letter 11 x 17 in */
/*{250, 353}, *//* B4 */
{176, 250}, /* B5 */
{125, 176}, /* B6 */
{215, 355} /* US Legal */
};
#define MIN_WIDTH 51
#define MAX_WIDTH 215
#define MIN_LENGTH 70
#define MAX_LENGTH 355
static SANE_Range tl_x_range = { 0, MAX_WIDTH - MIN_WIDTH, 0 };
static SANE_Range tl_y_range = { 0, MAX_LENGTH - MIN_LENGTH, 0 };
static SANE_Range br_x_range = { MIN_WIDTH, MAX_WIDTH, 0 };
static SANE_Range br_y_range = { MIN_LENGTH, MAX_LENGTH, 0 };
static SANE_Range byte_value_range = { 0, 255, 0 };
/* List of image emphasis options, 5 steps */
static SANE_String_Const image_emphasis_list[] = {
SANE_I18N ("none"),
SANE_I18N ("low"),
SANE_I18N ("medium"),
SANE_I18N ("high"),
SANE_I18N ("smooth"),
NULL
};
/* List of gamma */
static SANE_String_Const gamma_list[] = {
SANE_I18N ("normal"),
SANE_I18N ("crt"),
NULL
};
static unsigned gamma_val[] = { 0, 1 };
/* List of lamp color dropout */
static SANE_String_Const lamp_list[] = {
SANE_I18N ("normal"),
SANE_I18N ("red"),
SANE_I18N ("green"),
SANE_I18N ("blue"),
NULL
};
/* Reset the options for that scanner. */
void
kvs20xx_init_options (struct scanner *s)
{
int i;
SANE_Option_Descriptor *o;
/* Pre-initialize the options. */
memset (s->opt, 0, sizeof (s->opt));
memset (s->val, 0, sizeof (s->val));
for (i = 0; i < NUM_OPTIONS; i++)
{
s->opt[i].size = sizeof (SANE_Word);
s->opt[i].cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT;
}
/* Number of options. */
o = &s->opt[NUM_OPTS];
o->name = "";
o->title = SANE_TITLE_NUM_OPTIONS;
o->desc = SANE_DESC_NUM_OPTIONS;
o->type = SANE_TYPE_INT;
o->cap = SANE_CAP_SOFT_DETECT;
s->val[NUM_OPTS].w = NUM_OPTIONS;
/* Mode group */
o = &s->opt[MODE_GROUP];
o->title = SANE_I18N ("Scan Mode");
o->desc = ""; /* not valid for a group */
o->type = SANE_TYPE_GROUP;
o->cap = 0;
o->size = 0;
o->constraint_type = SANE_CONSTRAINT_NONE;
/* Scanner supported modes */
o = &s->opt[MODE];
o->name = SANE_NAME_SCAN_MODE;
o->title = SANE_TITLE_SCAN_MODE;
o->desc = SANE_DESC_SCAN_MODE;
o->type = SANE_TYPE_STRING;
o->size = max_string_size (mode_list);
o->constraint_type = SANE_CONSTRAINT_STRING_LIST;
o->constraint.string_list = mode_list;
s->val[MODE].s = malloc (o->size);
strcpy (s->val[MODE].s, mode_list[0]);
/* X and Y resolution */
o = &s->opt[RESOLUTION];
o->name = SANE_NAME_SCAN_RESOLUTION;
o->title = SANE_TITLE_SCAN_RESOLUTION;
o->desc = SANE_DESC_SCAN_RESOLUTION;
o->type = SANE_TYPE_INT;
o->unit = SANE_UNIT_DPI;
o->constraint_type = SANE_CONSTRAINT_RANGE;
o->constraint.range = &resolutions_range;
s->val[RESOLUTION].w = 100;
/* Duplex */
o = &s->opt[DUPLEX];
o->name = "duplex";
o->title = SANE_I18N ("Duplex");
o->desc = SANE_I18N ("Enable Duplex (Dual-Sided) Scanning");
o->type = SANE_TYPE_BOOL;
o->unit = SANE_UNIT_NONE;
s->val[DUPLEX].w = SANE_FALSE;
/*FIXME
if (!s->support_info.support_duplex)
o->cap |= SANE_CAP_INACTIVE;
*/
/* Feeder mode */
o = &s->opt[FEEDER_MODE];
o->name = "feeder-mode";
o->title = SANE_I18N ("Feeder mode");
o->desc = SANE_I18N ("Sets the feeding mode");
o->type = SANE_TYPE_STRING;
o->size = max_string_size (feeder_mode_list);
o->constraint_type = SANE_CONSTRAINT_STRING_LIST;
o->constraint.string_list = feeder_mode_list;
s->val[FEEDER_MODE].s = malloc (o->size);
strcpy (s->val[FEEDER_MODE].s, feeder_mode_list[0]);
/* Length control */
o = &s->opt[LENGTHCTL];
o->name = "length-control";
o->title = SANE_I18N ("Length control mode");
o->desc =
SANE_I18N
("Length Control Mode is a mode that the scanner reads up to the shorter length of actual"
" paper or logical document length.");
o->type = SANE_TYPE_BOOL;
o->unit = SANE_UNIT_NONE;
s->val[LENGTHCTL].w = SANE_FALSE;
/* Manual feed */
o = &s->opt[MANUALFEED];
o->name = "manual-feed";
o->title = SANE_I18N ("Manual feed mode");
o->desc = SANE_I18N ("Sets the manual feed mode");
o->type = SANE_TYPE_STRING;
o->size = max_string_size (manual_feed_list);
o->constraint_type = SANE_CONSTRAINT_STRING_LIST;
o->constraint.string_list = manual_feed_list;
s->val[MANUALFEED].s = malloc (o->size);
strcpy (s->val[MANUALFEED].s, manual_feed_list[0]);
/*Manual feed timeout */
o = &s->opt[FEED_TIMEOUT];
o->name = "feed-timeout";
o->title = SANE_I18N ("Manual feed timeout");
o->desc = SANE_I18N ("Sets the manual feed timeout in seconds");
o->type = SANE_TYPE_INT;
o->unit = SANE_UNIT_NONE;
o->size = sizeof (SANE_Int);
o->constraint_type = SANE_CONSTRAINT_RANGE;
o->constraint.range = &(byte_value_range);
o->cap |= SANE_CAP_INACTIVE;
s->val[FEED_TIMEOUT].w = 30;
/* Double feed */
o = &s->opt[DBLFEED];
o->name = "double-feed";
o->title = SANE_I18N ("Double feed detection");
o->desc = SANE_I18N ("Enable/Disable double feed detection");
o->type = SANE_TYPE_BOOL;
o->unit = SANE_UNIT_NONE;
s->val[DBLFEED].w = SANE_FALSE;
/* Fit to page */
o = &s->opt[FIT_TO_PAGE];
o->name = SANE_I18N ("fit-to-page");
o->title = SANE_I18N ("Fit to page");
o->desc = SANE_I18N ("Scanner shrinks image to fit scanned page");
o->type = SANE_TYPE_BOOL;
o->unit = SANE_UNIT_NONE;
s->val[FIT_TO_PAGE].w = SANE_FALSE;
/* Geometry group */
o = &s->opt[GEOMETRY_GROUP];
o->title = SANE_I18N ("Geometry");
o->desc = ""; /* not valid for a group */
o->type = SANE_TYPE_GROUP;
o->cap = 0;
o->size = 0;
o->constraint_type = SANE_CONSTRAINT_NONE;
/* Paper sizes list */
o = &s->opt[PAPER_SIZE];
o->name = "paper-size";
o->title = SANE_I18N ("Paper size");
o->desc = SANE_I18N ("Physical size of the paper in the ADF");
o->type = SANE_TYPE_STRING;
o->size = max_string_size (paper_list);
o->constraint_type = SANE_CONSTRAINT_STRING_LIST;
o->constraint.string_list = paper_list;
s->val[PAPER_SIZE].s = malloc (o->size);
strcpy (s->val[PAPER_SIZE].s, SANE_I18N ("A4"));
/* Landscape */
o = &s->opt[LANDSCAPE];
o->name = "landscape";
o->title = SANE_I18N ("Landscape");
o->desc =
SANE_I18N ("Set paper position : "
"true for landscape, false for portrait");
o->type = SANE_TYPE_BOOL;
o->unit = SANE_UNIT_NONE;
s->val[LANDSCAPE].w = SANE_FALSE;
o->cap |= SANE_CAP_INACTIVE;
/* Upper left X */
o = &s->opt[TL_X];
o->name = SANE_NAME_SCAN_TL_X;
o->title = SANE_TITLE_SCAN_TL_X;
o->desc = SANE_DESC_SCAN_TL_X;
o->type = SANE_TYPE_INT;
o->unit = SANE_UNIT_MM;
o->constraint_type = SANE_CONSTRAINT_RANGE;
o->constraint.range = &tl_x_range;
o->cap |= SANE_CAP_INACTIVE;
s->val[TL_X].w = 0;
/* Upper left Y */
o = &s->opt[TL_Y];
o->name = SANE_NAME_SCAN_TL_Y;
o->title = SANE_TITLE_SCAN_TL_Y;
o->desc = SANE_DESC_SCAN_TL_Y;
o->type = SANE_TYPE_INT;
o->unit = SANE_UNIT_MM;
o->constraint_type = SANE_CONSTRAINT_RANGE;
o->constraint.range = &tl_y_range;
o->cap |= SANE_CAP_INACTIVE;
s->val[TL_Y].w = 0;
/* Bottom-right x */
o = &s->opt[BR_X];
o->name = SANE_NAME_SCAN_BR_X;
o->title = SANE_TITLE_SCAN_BR_X;
o->desc = SANE_DESC_SCAN_BR_X;
o->type = SANE_TYPE_INT;
o->unit = SANE_UNIT_MM;
o->constraint_type = SANE_CONSTRAINT_RANGE;
o->constraint.range = &br_x_range;
o->cap |= SANE_CAP_INACTIVE;
s->val[BR_X].w = 210;
/* Bottom-right y */
o = &s->opt[BR_Y];
o->name = SANE_NAME_SCAN_BR_Y;
o->title = SANE_TITLE_SCAN_BR_Y;
o->desc = SANE_DESC_SCAN_BR_Y;
o->type = SANE_TYPE_INT;
o->unit = SANE_UNIT_MM;
o->constraint_type = SANE_CONSTRAINT_RANGE;
o->constraint.range = &br_y_range;
o->cap |= SANE_CAP_INACTIVE;
s->val[BR_Y].w = 297;
/* Enhancement group */
o = &s->opt[ADVANCED_GROUP];
o->title = SANE_I18N ("Advanced");
o->desc = ""; /* not valid for a group */
o->type = SANE_TYPE_GROUP;
o->cap = SANE_CAP_ADVANCED;
o->size = 0;
o->constraint_type = SANE_CONSTRAINT_NONE;
/* Brightness */
o = &s->opt[BRIGHTNESS];
o->name = SANE_NAME_BRIGHTNESS;
o->title = SANE_TITLE_BRIGHTNESS;
o->desc = SANE_DESC_BRIGHTNESS;
o->type = SANE_TYPE_INT;
o->unit = SANE_UNIT_NONE;
o->size = sizeof (SANE_Int);
o->constraint_type = SANE_CONSTRAINT_RANGE;
o->constraint.range = &(byte_value_range);
s->val[BRIGHTNESS].w = 128;
/* Contrast */
o = &s->opt[CONTRAST];
o->name = SANE_NAME_CONTRAST;
o->title = SANE_TITLE_CONTRAST;
o->desc = SANE_DESC_CONTRAST;
o->type = SANE_TYPE_INT;
o->unit = SANE_UNIT_NONE;
o->size = sizeof (SANE_Int);
o->constraint_type = SANE_CONSTRAINT_RANGE;
o->constraint.range = &(byte_value_range);
s->val[CONTRAST].w = 128;
/* threshold */
o = &s->opt[THRESHOLD];
o->name = SANE_NAME_THRESHOLD;
o->title = SANE_TITLE_THRESHOLD;
o->desc = SANE_DESC_THRESHOLD;
o->type = SANE_TYPE_INT;
o->size = sizeof (SANE_Int);
o->constraint_type = SANE_CONSTRAINT_RANGE;
o->constraint.range = &(byte_value_range);
s->val[THRESHOLD].w = 128;
/* Image emphasis */
o = &s->opt[IMAGE_EMPHASIS];
o->name = "image-emphasis";
o->title = SANE_I18N ("Image emphasis");
o->desc = SANE_I18N ("Sets the image emphasis");
o->type = SANE_TYPE_STRING;
o->size = max_string_size (image_emphasis_list);
o->constraint_type = SANE_CONSTRAINT_STRING_LIST;
o->constraint.string_list = image_emphasis_list;
s->val[IMAGE_EMPHASIS].s = malloc (o->size);
strcpy (s->val[IMAGE_EMPHASIS].s, image_emphasis_list[0]);
/* Gamma */
o = &s->opt[GAMMA_CORRECTION];
o->name = "gamma-cor";
o->title = SANE_I18N ("Gamma correction");
o->desc = SANE_I18N ("Gamma correction");
o->type = SANE_TYPE_STRING;
o->size = max_string_size (gamma_list);
o->constraint_type = SANE_CONSTRAINT_STRING_LIST;
o->constraint.string_list = gamma_list;
s->val[GAMMA_CORRECTION].s = malloc (o->size);
strcpy (s->val[GAMMA_CORRECTION].s, gamma_list[0]);
/* Lamp color dropout */
o = &s->opt[LAMP];
o->name = "lamp-color";
o->title = SANE_I18N ("Lamp color");
o->desc = SANE_I18N ("Sets the lamp color (color dropout)");
o->type = SANE_TYPE_STRING;
o->size = max_string_size (lamp_list);
o->constraint_type = SANE_CONSTRAINT_STRING_LIST;
o->constraint.string_list = lamp_list;
s->val[LAMP].s = malloc (o->size);
strcpy (s->val[LAMP].s, lamp_list[0]);
}
/* Lookup a string list from one array and return its index. */
static int
str_index (const SANE_String_Const * list, SANE_String_Const name)
{
int index;
index = 0;
while (list[index])
{
if (!strcmp (list[index], name))
return (index);
index++;
}
return (-1); /* not found */
}
/* Control option */
SANE_Status
sane_control_option (SANE_Handle handle, SANE_Int option,
SANE_Action action, void *val, SANE_Int * info)
{
int i;
SANE_Status status;
SANE_Word cap;
struct scanner *s = (struct scanner *) handle;
if (info)
*info = 0;
if (option < 0 || option >= NUM_OPTIONS)
return SANE_STATUS_UNSUPPORTED;
cap = s->opt[option].cap;
if (!SANE_OPTION_IS_ACTIVE (cap))
return SANE_STATUS_UNSUPPORTED;
if (action == SANE_ACTION_GET_VALUE)
{
if (s->opt[option].type == SANE_TYPE_STRING)
{
DBG (DBG_INFO, "sane_control_option: reading opt[%d] = %s\n",
option, s->val[option].s);
strcpy (val, s->val[option].s);
}
else
{
*(SANE_Word *) val = s->val[option].w;
DBG (DBG_INFO, "sane_control_option: reading opt[%d] = %d\n",
option, s->val[option].w);
}
return SANE_STATUS_GOOD;
}
else if (action == SANE_ACTION_SET_VALUE)
{
if (!SANE_OPTION_IS_SETTABLE (cap))
return SANE_STATUS_INVAL;
status = sanei_constrain_value (s->opt + option, val, info);
if (status != SANE_STATUS_GOOD)
return status;
if (s->opt[option].type == SANE_TYPE_STRING)
{
if (!strcmp (val, s->val[option].s))
return SANE_STATUS_GOOD;
DBG (DBG_INFO, "sane_control_option: writing opt[%d] = %s\n",
option, (SANE_String_Const) val);
}
else
{
if (*(SANE_Word *) val == s->val[option].w)
return SANE_STATUS_GOOD;
DBG (DBG_INFO, "sane_control_option: writing opt[%d] = %d\n",
option, *(SANE_Word *) val);
}
switch (option)
{
/* Side-effect options */
case RESOLUTION:
s->val[option].w = *(SANE_Word *) val;
if (info)
*info |= SANE_INFO_RELOAD_PARAMS;
return SANE_STATUS_GOOD;
case TL_Y:
if ((*(SANE_Word *) val) + MIN_LENGTH <= s->val[BR_Y].w)
{
s->val[option].w = *(SANE_Word *) val;
if (info)
*info |= SANE_INFO_RELOAD_PARAMS;
}
else if (info)
*info |= SANE_INFO_INEXACT;
return SANE_STATUS_GOOD;
case BR_Y:
if ((*(SANE_Word *) val) >= s->val[TL_Y].w + MIN_LENGTH)
{
s->val[option].w = *(SANE_Word *) val;
if (info)
*info |= SANE_INFO_RELOAD_PARAMS;
}
else if (info)
*info |= SANE_INFO_INEXACT;
return SANE_STATUS_GOOD;
case TL_X:
if ((*(SANE_Word *) val) + MIN_WIDTH <= s->val[BR_X].w)
{
s->val[option].w = *(SANE_Word *) val;
if (info)
*info |= SANE_INFO_RELOAD_PARAMS;
}
else if (info)
*info |= SANE_INFO_INEXACT;
return SANE_STATUS_GOOD;
case BR_X:
if (*(SANE_Word *) val >= s->val[TL_X].w + MIN_WIDTH)
{
s->val[option].w = *(SANE_Word *) val;
if (info)
*info |= SANE_INFO_RELOAD_PARAMS;
}
else if (info)
*info |= SANE_INFO_INEXACT;
return SANE_STATUS_GOOD;
case LANDSCAPE:
s->val[option].w = *(SANE_Word *) val;
if (info)
*info |= SANE_INFO_RELOAD_PARAMS;
return SANE_STATUS_GOOD;
/* Side-effect free options */
case CONTRAST:
case BRIGHTNESS:
case DUPLEX:
case LENGTHCTL:
case DBLFEED:
case FIT_TO_PAGE:
case THRESHOLD:
s->val[option].w = *(SANE_Word *) val;
return SANE_STATUS_GOOD;
case FEED_TIMEOUT:
s->val[option].w = *(SANE_Word *) val;
return kvs20xx_set_timeout (s, s->val[option].w);
/* String mode */
case IMAGE_EMPHASIS:
case GAMMA_CORRECTION:
case LAMP:
case FEEDER_MODE:
strcpy (s->val[option].s, val);
return SANE_STATUS_GOOD;
case MODE:
strcpy (s->val[MODE].s, val);
if (!strcmp (s->val[MODE].s, SANE_VALUE_SCAN_MODE_LINEART))
{
s->opt[THRESHOLD].cap &= ~SANE_CAP_INACTIVE;
s->opt[GAMMA_CORRECTION].cap |= SANE_CAP_INACTIVE;
s->opt[BRIGHTNESS].cap |= SANE_CAP_INACTIVE;
}
else
{
s->opt[THRESHOLD].cap |= SANE_CAP_INACTIVE;
s->opt[GAMMA_CORRECTION].cap &= ~SANE_CAP_INACTIVE;
s->opt[BRIGHTNESS].cap &= ~SANE_CAP_INACTIVE;
}
if (info)
*info |= SANE_INFO_RELOAD_OPTIONS | SANE_INFO_RELOAD_PARAMS;
return SANE_STATUS_GOOD;
case MANUALFEED:
strcpy (s->val[option].s, val);
if (strcmp (s->val[option].s, manual_feed_list[0]) == 0) /* off */
s->opt[FEED_TIMEOUT].cap |= SANE_CAP_INACTIVE;
else
s->opt[FEED_TIMEOUT].cap &= ~SANE_CAP_INACTIVE;
if (info)
*info |= SANE_INFO_RELOAD_OPTIONS;
return SANE_STATUS_GOOD;
case PAPER_SIZE:
strcpy (s->val[PAPER_SIZE].s, val);
i = str_index (paper_list, s->val[PAPER_SIZE].s);
if (i == 0)
{ /*user def */
s->opt[TL_X].cap &=
s->opt[TL_Y].cap &=
s->opt[BR_X].cap &= s->opt[BR_Y].cap &= ~SANE_CAP_INACTIVE;
s->opt[LANDSCAPE].cap |= SANE_CAP_INACTIVE;
s->val[LANDSCAPE].w = 0;
}
else
{
s->opt[TL_X].cap |=
s->opt[TL_Y].cap |=
s->opt[BR_X].cap |= s->opt[BR_Y].cap |= SANE_CAP_INACTIVE;
if (i == 3 || i == 4 || i == 7)
{ /*A5, A6 or B6 */
s->opt[LANDSCAPE].cap &= ~SANE_CAP_INACTIVE;
}
else
{
s->opt[LANDSCAPE].cap |= SANE_CAP_INACTIVE;
s->val[LANDSCAPE].w = 0;
}
}
if (info)
*info |= SANE_INFO_RELOAD_OPTIONS | SANE_INFO_RELOAD_PARAMS;
return SANE_STATUS_GOOD;
}
}
return SANE_STATUS_UNSUPPORTED;
}
static inline unsigned
mm2scanner_units (unsigned mm)
{
return mm * 12000 / 254;
}
static inline unsigned
scanner_units2mm (unsigned u)
{
return u * 254 / 12000;
}
void
kvs20xx_init_window (struct scanner *s, struct window *wnd, int wnd_id)
{
int paper = str_index (paper_list, s->val[PAPER_SIZE].s);
memset (wnd, 0, sizeof (struct window));
wnd->window_descriptor_block_length = cpu2be16 (64);
wnd->window_identifier = wnd_id;
wnd->x_resolution = cpu2be16 (s->val[RESOLUTION].w);
wnd->y_resolution = cpu2be16 (s->val[RESOLUTION].w);
if (!paper)
{
wnd->upper_left_x =
cpu2be32 (mm2scanner_units (s->val[TL_X].w));
wnd->upper_left_y =
cpu2be32 (mm2scanner_units (s->val[TL_Y].w));
wnd->width =
cpu2be32 (mm2scanner_units (s->val[BR_X].w - s->val[TL_X].w));
wnd->length =
cpu2be32 (mm2scanner_units (s->val[BR_Y].w - s->val[TL_Y].w));
}
else
{
u32 w = cpu2be32 (mm2scanner_units (paper_sizes[paper].width));
u32 h = cpu2be32 (mm2scanner_units (paper_sizes[paper].height));
wnd->upper_left_x = cpu2be32 (mm2scanner_units (0));
wnd->upper_left_y = cpu2be32 (mm2scanner_units (0));
if (!s->val[LANDSCAPE].b)
{
wnd->document_width = wnd->width = w;
wnd->document_length = wnd->length = h;
}
else
{
wnd->document_width = wnd->width = h;
wnd->document_length = wnd->length = w;
}
}
wnd->brightness = s->val[BRIGHTNESS].w;
wnd->threshold = s->val[THRESHOLD].w;
wnd->contrast = s->val[CONTRAST].w;
wnd->image_composition = mode_val[str_index (mode_list, s->val[MODE].s)];
wnd->bit_per_pixel = bps_val[str_index (mode_list, s->val[MODE].s)];
wnd->halftone_pattern = 0; /*Does not supported */
wnd->bit_ordering = cpu2be16 (BIT_ORDERING);
wnd->compression_type = 0; /*Does not supported */
wnd->compression_argument = 0; /*Does not supported */
wnd->vendor_unique_identifier = 0;
wnd->nobuf_fstspeed_dfstop = 0;
wnd->mirror_image = 0;
wnd->image_emphasis = str_index (image_emphasis_list,
s->val[IMAGE_EMPHASIS].s);
wnd->gamma_correction = gamma_val[str_index (gamma_list,
s->val[GAMMA_CORRECTION].s)];
wnd->mcd_lamp_dfeed_sens = str_index (lamp_list, s->val[LAMP].s) << 4 | 2;
wnd->document_size = (paper != 0) << 7
| s->val[LENGTHCTL].b << 6 | s->val[LANDSCAPE].b << 4 | paper_val[paper];
wnd->ahead_deskew_dfeed_scan_area_fspeed_rshad = s->val[DBLFEED].b << 4
| s->val[FIT_TO_PAGE].b << 2;
wnd->continuous_scanning_pages = str_index (feeder_mode_list,
s->val[FEEDER_MODE].
s) ? 0xff : 0;
wnd->automatic_threshold_mode = 0; /*Does not supported */
wnd->automatic_separation_mode = 0; /*Does not supported */
wnd->standard_white_level_mode = 0; /*Does not supported */
wnd->b_wnr_noise_reduction = 0; /*Does not supported */
if (str_index (manual_feed_list, s->val[MANUALFEED].s) == 2)
wnd->mfeed_toppos_btmpos_dsepa_hsepa_dcont_rstkr = 2 << 6;
wnd->stop_mode = 1;
}
/* Get scan parameters */
SANE_Status
sane_get_parameters (SANE_Handle handle, SANE_Parameters * params)
{
struct scanner *s = (struct scanner *) handle;
SANE_Parameters *p = &s->params;
if (!s->scanning)
{
unsigned w, h, res = s->val[RESOLUTION].w;
unsigned i = str_index (paper_list,
s->val[PAPER_SIZE].s);
if (i)
{
if (s->val[LANDSCAPE].b)
{
w = paper_sizes[i].height;
h = paper_sizes[i].width;
}
else
{
w = paper_sizes[i].width;
h = paper_sizes[i].height;
}
}
else
{
w = s->val[BR_X].w - s->val[TL_X].w;
h = s->val[BR_Y].w - s->val[TL_Y].w;
}
p->pixels_per_line = w * res / 25.4;
p->lines = h * res / 25.4;
}
p->format = (!strcmp(s->val[MODE].s,SANE_VALUE_SCAN_MODE_COLOR)) ?
SANE_FRAME_RGB : SANE_FRAME_GRAY;
p->last_frame = SANE_TRUE;
p->depth = bps_val[str_index (mode_list, s->val[MODE].s)];
p->bytes_per_line = p->depth * p->pixels_per_line / 8;
if (p->depth > 8)
p->depth = 8;
if (params)
memcpy (params, p, sizeof (SANE_Parameters));
return SANE_STATUS_GOOD;
}
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