SANE_Status
sane_get_parameters (SANE_Handle handle, SANE_Parameters * params)
{
Abaton_Scanner *s = handle;
DBG (FLOW_CONTROL, "Entering sane_get_parameters\n");
calc_parameters (s);
if (params)
*params = s->params;
return SANE_STATUS_GOOD;
}
SANE_Status
sane_get_parameters (SANE_Handle handle, SANE_Parameters * params)
{
Mustek_Usb_Scanner *s = handle;
SANE_Status status;
DBG (5, "sane_get_parameters: start\n");
RIE (calc_parameters (s));
if (params)
*params = s->params;
DBG (5, "sane_get_parameters: exit\n");
return SANE_STATUS_GOOD;
}
static SANE_Status
mode_update (SANE_Handle handle, char *val)
{
Abaton_Scanner *s = handle;
if (!strcmp (val, SANE_VALUE_SCAN_MODE_LINEART))
{
DISABLE (OPT_BRIGHTNESS);
DISABLE (OPT_CONTRAST);
ENABLE (OPT_THRESHOLD);
DISABLE (OPT_HALFTONE_PATTERN);
}
else if (!strcmp (val, SANE_VALUE_SCAN_MODE_HALFTONE))
{
ENABLE (OPT_BRIGHTNESS);
ENABLE (OPT_CONTRAST);
DISABLE (OPT_THRESHOLD);
ENABLE (OPT_HALFTONE_PATTERN);
}
else if (!strcmp (val, "Gray16") || !strcmp (val, "Gray256"))
{
ENABLE (OPT_BRIGHTNESS);
ENABLE (OPT_CONTRAST);
DISABLE (OPT_THRESHOLD);
DISABLE (OPT_HALFTONE_PATTERN);
} /* End of Gray */
else
{
DBG (ERROR_MESSAGE, "Invalid mode %s\n", (char *) val);
return SANE_STATUS_INVAL;
}
calc_parameters (s);
return SANE_STATUS_GOOD;
}
static SANE_Status
init_options (Mustek_Usb_Scanner * s)
{
SANE_Int option;
SANE_Status status;
DBG (5, "init_options: start\n");
memset (s->opt, 0, sizeof (s->opt));
memset (s->val, 0, sizeof (s->val));
for (option = 0; option < NUM_OPTIONS; ++option)
{
s->opt[option].size = sizeof (SANE_Word);
s->opt[option].cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT;
}
s->opt[OPT_NUM_OPTS].name = SANE_NAME_NUM_OPTIONS;
s->opt[OPT_NUM_OPTS].title = SANE_TITLE_NUM_OPTIONS;
s->opt[OPT_NUM_OPTS].desc = SANE_DESC_NUM_OPTIONS;
s->opt[OPT_NUM_OPTS].type = SANE_TYPE_INT;
s->opt[OPT_NUM_OPTS].cap = SANE_CAP_SOFT_DETECT;
s->val[OPT_NUM_OPTS].w = NUM_OPTIONS;
/* "Mode" group: */
s->opt[OPT_MODE_GROUP].title = SANE_I18N ("Scan Mode");
s->opt[OPT_MODE_GROUP].desc = "";
s->opt[OPT_MODE_GROUP].type = SANE_TYPE_GROUP;
s->opt[OPT_MODE_GROUP].size = 0;
s->opt[OPT_MODE_GROUP].cap = 0;
s->opt[OPT_MODE_GROUP].constraint_type = SANE_CONSTRAINT_NONE;
/* scan mode */
mode_list[0] = SANE_VALUE_SCAN_MODE_COLOR;
mode_list[1] = SANE_VALUE_SCAN_MODE_GRAY;
mode_list[2] = SANE_VALUE_SCAN_MODE_LINEART;
mode_list[3] = NULL;
s->opt[OPT_MODE].name = SANE_NAME_SCAN_MODE;
s->opt[OPT_MODE].title = SANE_TITLE_SCAN_MODE;
s->opt[OPT_MODE].desc = SANE_DESC_SCAN_MODE;
s->opt[OPT_MODE].type = SANE_TYPE_STRING;
s->opt[OPT_MODE].constraint_type = SANE_CONSTRAINT_STRING_LIST;
s->opt[OPT_MODE].size = max_string_size (mode_list);
s->opt[OPT_MODE].constraint.string_list = mode_list;
s->val[OPT_MODE].s = strdup (mode_list[1]);
/* resolution */
s->opt[OPT_RESOLUTION].name = SANE_NAME_SCAN_RESOLUTION;
s->opt[OPT_RESOLUTION].title = SANE_TITLE_SCAN_RESOLUTION;
s->opt[OPT_RESOLUTION].desc = SANE_DESC_SCAN_RESOLUTION;
s->opt[OPT_RESOLUTION].type = SANE_TYPE_FIXED;
s->opt[OPT_RESOLUTION].unit = SANE_UNIT_DPI;
s->opt[OPT_RESOLUTION].constraint_type = SANE_CONSTRAINT_RANGE;
s->opt[OPT_RESOLUTION].constraint.range = &s->hw->dpi_range;
s->val[OPT_RESOLUTION].w = s->hw->dpi_range.min;
if (s->hw->chip->scanner_type == MT_600CU)
s->hw->dpi_range.max = SANE_FIX (600);
else
s->hw->dpi_range.max = SANE_FIX (1200);
/* preview */
s->opt[OPT_PREVIEW].name = SANE_NAME_PREVIEW;
s->opt[OPT_PREVIEW].title = SANE_TITLE_PREVIEW;
s->opt[OPT_PREVIEW].desc = SANE_DESC_PREVIEW;
s->opt[OPT_PREVIEW].cap = SANE_CAP_SOFT_DETECT | SANE_CAP_SOFT_SELECT;
s->opt[OPT_PREVIEW].type = SANE_TYPE_BOOL;
s->val[OPT_PREVIEW].w = SANE_FALSE;
/* "Geometry" group: */
s->opt[OPT_GEOMETRY_GROUP].title = SANE_I18N ("Geometry");
s->opt[OPT_GEOMETRY_GROUP].desc = "";
s->opt[OPT_GEOMETRY_GROUP].type = SANE_TYPE_GROUP;
s->opt[OPT_GEOMETRY_GROUP].cap = SANE_CAP_ADVANCED;
s->opt[OPT_GEOMETRY_GROUP].size = 0;
s->opt[OPT_GEOMETRY_GROUP].constraint_type = SANE_CONSTRAINT_NONE;
/* top-left x */
s->opt[OPT_TL_X].name = SANE_NAME_SCAN_TL_X;
s->opt[OPT_TL_X].title = SANE_TITLE_SCAN_TL_X;
s->opt[OPT_TL_X].desc = SANE_DESC_SCAN_TL_X;
s->opt[OPT_TL_X].type = SANE_TYPE_FIXED;
s->opt[OPT_TL_X].unit = SANE_UNIT_MM;
s->opt[OPT_TL_X].constraint_type = SANE_CONSTRAINT_RANGE;
s->opt[OPT_TL_X].constraint.range = &s->hw->x_range;
s->val[OPT_TL_X].w = 0;
/* top-left y */
s->opt[OPT_TL_Y].name = SANE_NAME_SCAN_TL_Y;
s->opt[OPT_TL_Y].title = SANE_TITLE_SCAN_TL_Y;
s->opt[OPT_TL_Y].desc = SANE_DESC_SCAN_TL_Y;
s->opt[OPT_TL_Y].type = SANE_TYPE_FIXED;
s->opt[OPT_TL_Y].unit = SANE_UNIT_MM;
s->opt[OPT_TL_Y].constraint_type = SANE_CONSTRAINT_RANGE;
s->opt[OPT_TL_Y].constraint.range = &s->hw->y_range;
s->val[OPT_TL_Y].w = 0;
/* bottom-right x */
s->opt[OPT_BR_X].name = SANE_NAME_SCAN_BR_X;
s->opt[OPT_BR_X].title = SANE_TITLE_SCAN_BR_X;
s->opt[OPT_BR_X].desc = SANE_DESC_SCAN_BR_X;
s->opt[OPT_BR_X].type = SANE_TYPE_FIXED;
s->opt[OPT_BR_X].unit = SANE_UNIT_MM;
s->opt[OPT_BR_X].constraint_type = SANE_CONSTRAINT_RANGE;
s->opt[OPT_BR_X].constraint.range = &s->hw->x_range;
s->val[OPT_BR_X].w = s->hw->x_range.max;
/* bottom-right y */
s->opt[OPT_BR_Y].name = SANE_NAME_SCAN_BR_Y;
s->opt[OPT_BR_Y].title = SANE_TITLE_SCAN_BR_Y;
s->opt[OPT_BR_Y].desc = SANE_DESC_SCAN_BR_Y;
s->opt[OPT_BR_Y].type = SANE_TYPE_FIXED;
s->opt[OPT_BR_Y].unit = SANE_UNIT_MM;
s->opt[OPT_BR_Y].constraint_type = SANE_CONSTRAINT_RANGE;
s->opt[OPT_BR_Y].constraint.range = &s->hw->y_range;
s->val[OPT_BR_Y].w = s->hw->y_range.max;
/* "Enhancement" group: */
s->opt[OPT_ENHANCEMENT_GROUP].title = SANE_I18N ("Enhancement");
s->opt[OPT_ENHANCEMENT_GROUP].desc = "";
s->opt[OPT_ENHANCEMENT_GROUP].type = SANE_TYPE_GROUP;
s->opt[OPT_ENHANCEMENT_GROUP].size = 0;
s->opt[OPT_ENHANCEMENT_GROUP].cap = 0;
s->opt[OPT_ENHANCEMENT_GROUP].constraint_type = SANE_CONSTRAINT_NONE;
/* threshold */
s->opt[OPT_THRESHOLD].name = SANE_NAME_THRESHOLD;
s->opt[OPT_THRESHOLD].title = SANE_TITLE_THRESHOLD;
s->opt[OPT_THRESHOLD].desc = SANE_DESC_THRESHOLD;
s->opt[OPT_THRESHOLD].type = SANE_TYPE_INT;
s->opt[OPT_THRESHOLD].unit = SANE_UNIT_NONE;
s->opt[OPT_THRESHOLD].constraint_type = SANE_CONSTRAINT_RANGE;
s->opt[OPT_THRESHOLD].constraint.range = &u8_range;
s->opt[OPT_THRESHOLD].cap |= SANE_CAP_INACTIVE;
s->val[OPT_THRESHOLD].w = 128;
/* custom-gamma table */
s->opt[OPT_CUSTOM_GAMMA].name = SANE_NAME_CUSTOM_GAMMA;
s->opt[OPT_CUSTOM_GAMMA].title = SANE_TITLE_CUSTOM_GAMMA;
s->opt[OPT_CUSTOM_GAMMA].desc = SANE_DESC_CUSTOM_GAMMA;
s->opt[OPT_CUSTOM_GAMMA].type = SANE_TYPE_BOOL;
s->val[OPT_CUSTOM_GAMMA].w = SANE_FALSE;
/* gray gamma vector */
s->opt[OPT_GAMMA_VECTOR].name = SANE_NAME_GAMMA_VECTOR;
s->opt[OPT_GAMMA_VECTOR].title = SANE_TITLE_GAMMA_VECTOR;
s->opt[OPT_GAMMA_VECTOR].desc = SANE_DESC_GAMMA_VECTOR;
s->opt[OPT_GAMMA_VECTOR].type = SANE_TYPE_INT;
s->opt[OPT_GAMMA_VECTOR].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_GAMMA_VECTOR].unit = SANE_UNIT_NONE;
s->opt[OPT_GAMMA_VECTOR].size = 256 * sizeof (SANE_Word);
s->opt[OPT_GAMMA_VECTOR].constraint_type = SANE_CONSTRAINT_RANGE;
s->opt[OPT_GAMMA_VECTOR].constraint.range = &u8_range;
s->val[OPT_GAMMA_VECTOR].wa = &s->gray_gamma_table[0];
/* red gamma vector */
s->opt[OPT_GAMMA_VECTOR_R].name = SANE_NAME_GAMMA_VECTOR_R;
s->opt[OPT_GAMMA_VECTOR_R].title = SANE_TITLE_GAMMA_VECTOR_R;
s->opt[OPT_GAMMA_VECTOR_R].desc = SANE_DESC_GAMMA_VECTOR_R;
s->opt[OPT_GAMMA_VECTOR_R].type = SANE_TYPE_INT;
s->opt[OPT_GAMMA_VECTOR_R].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_GAMMA_VECTOR_R].unit = SANE_UNIT_NONE;
s->opt[OPT_GAMMA_VECTOR_R].size = 256 * sizeof (SANE_Word);
s->opt[OPT_GAMMA_VECTOR_R].constraint_type = SANE_CONSTRAINT_RANGE;
s->opt[OPT_GAMMA_VECTOR_R].constraint.range = &u8_range;
s->val[OPT_GAMMA_VECTOR_R].wa = &s->red_gamma_table[0];
/* green gamma vector */
s->opt[OPT_GAMMA_VECTOR_G].name = SANE_NAME_GAMMA_VECTOR_G;
s->opt[OPT_GAMMA_VECTOR_G].title = SANE_TITLE_GAMMA_VECTOR_G;
s->opt[OPT_GAMMA_VECTOR_G].desc = SANE_DESC_GAMMA_VECTOR_G;
s->opt[OPT_GAMMA_VECTOR_G].type = SANE_TYPE_INT;
s->opt[OPT_GAMMA_VECTOR_G].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_GAMMA_VECTOR_G].unit = SANE_UNIT_NONE;
s->opt[OPT_GAMMA_VECTOR_G].size = 256 * sizeof (SANE_Word);
s->opt[OPT_GAMMA_VECTOR_G].constraint_type = SANE_CONSTRAINT_RANGE;
s->opt[OPT_GAMMA_VECTOR_G].constraint.range = &u8_range;
s->val[OPT_GAMMA_VECTOR_G].wa = &s->green_gamma_table[0];
/* blue gamma vector */
s->opt[OPT_GAMMA_VECTOR_B].name = SANE_NAME_GAMMA_VECTOR_B;
s->opt[OPT_GAMMA_VECTOR_B].title = SANE_TITLE_GAMMA_VECTOR_B;
s->opt[OPT_GAMMA_VECTOR_B].desc = SANE_DESC_GAMMA_VECTOR_B;
s->opt[OPT_GAMMA_VECTOR_B].type = SANE_TYPE_INT;
s->opt[OPT_GAMMA_VECTOR_B].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_GAMMA_VECTOR_B].unit = SANE_UNIT_NONE;
s->opt[OPT_GAMMA_VECTOR_B].size = 256 * sizeof (SANE_Word);
s->opt[OPT_GAMMA_VECTOR_B].constraint_type = SANE_CONSTRAINT_RANGE;
s->opt[OPT_GAMMA_VECTOR_B].constraint.range = &u8_range;
s->val[OPT_GAMMA_VECTOR_B].wa = &s->blue_gamma_table[0];
RIE (calc_parameters (s));
DBG (5, "init_options: exit\n");
return SANE_STATUS_GOOD;
}
SANE_Status
sane_start (SANE_Handle handle)
{
Mustek_Usb_Scanner *s = handle;
SANE_Status status;
SANE_String val;
Colormode color_mode;
SANE_Word dpi, x, y, width, height;
DBG (5, "sane_start: start\n");
/* First make sure we have a current parameter set. Some of the
parameters will be overwritten below, but that's OK. */
s->total_bytes = 0;
s->total_lines = 0;
RIE (calc_parameters (s));
if (s->width_dots <= 0)
{
DBG (0, "sane_start: top left x > bottom right x --- exiting\n");
return SANE_STATUS_INVAL;
}
if (s->height_dots <= 0)
{
DBG (0, "sane_start: top left y > bottom right y --- exiting\n");
return SANE_STATUS_INVAL;
}
val = s->val[OPT_MODE].s;
if (!strcmp (val, SANE_VALUE_SCAN_MODE_LINEART))
color_mode = GRAY8;
else if (!strcmp (val, SANE_VALUE_SCAN_MODE_GRAY))
color_mode = GRAY8;
else /* Color */
color_mode = RGB24;
dpi = SANE_UNFIX (s->val[OPT_RESOLUTION].w);
x = s->tl_x_dots;
y = s->tl_y_dots;
width = s->width_dots;
height = s->height_dots;
if (!s->hw->is_prepared)
{
RIE (usb_high_scan_prepare (s->hw));
RIE (usb_high_scan_reset (s->hw));
}
RIE (usb_high_scan_set_threshold (s->hw, 128));
RIE (usb_high_scan_embed_gamma (s->hw, NULL));
RIE (usb_high_scan_suggest_parameters (s->hw, dpi, x, y, width, height,
color_mode));
RIE (usb_high_scan_setup_scan (s->hw, s->hw->scan_mode, s->hw->x_dpi,
s->hw->y_dpi, 0, s->hw->x, s->hw->y,
s->hw->width));
DBG (3, "sane_start: wanted: dpi=%d, x=%d, y=%d, width=%d, height=%d, "
"scan_mode=%d\n", dpi, x, y, width, height, color_mode);
DBG (3, "sane_start: got: x_dpi=%d, y_dpi=%d, x=%d, y=%d, width=%d, "
"height=%d, scan_mode=%d\n", s->hw->x_dpi, s->hw->y_dpi, s->hw->x,
s->hw->y, s->hw->width, s->hw->height, s->hw->scan_mode);
s->scanning = SANE_TRUE;
s->read_rows = s->hw->height;
s->hw->line_switch = s->hw->height;
s->hw->line_offset = 0;
s->hw->scan_buffer_len = 0;
DBG (5, "sane_start: exit\n");
return SANE_STATUS_GOOD;
}
SANE_Status
sane_control_option (SANE_Handle handle, SANE_Int option,
SANE_Action action, void *val, SANE_Int * info)
{
Mustek_Usb_Scanner *s = handle;
SANE_Status status;
SANE_Word cap;
SANE_Int myinfo = 0;
DBG (5, "sane_control_option: start: action = %s, option = %s (%d)\n",
(action == SANE_ACTION_GET_VALUE) ? "get" :
(action == SANE_ACTION_SET_VALUE) ? "set" :
(action == SANE_ACTION_SET_AUTO) ? "set_auto" : "unknown",
s->opt[option].name, option);
if (info)
*info = 0;
if (s->scanning)
{
DBG (1, "sane_control_option: don't call this function while "
"scanning\n");
return SANE_STATUS_DEVICE_BUSY;
}
if (option >= NUM_OPTIONS || option < 0)
{
DBG (1, "sane_control_option: option %d >= NUM_OPTIONS || option < 0\n",
option);
return SANE_STATUS_INVAL;
}
cap = s->opt[option].cap;
if (!SANE_OPTION_IS_ACTIVE (cap))
{
DBG (2, "sane_control_option: option %d is inactive\n", option);
return SANE_STATUS_INVAL;
}
if (action == SANE_ACTION_GET_VALUE)
{
switch (option)
{
/* word options: */
case OPT_NUM_OPTS:
case OPT_RESOLUTION:
case OPT_PREVIEW:
case OPT_TL_X:
case OPT_TL_Y:
case OPT_BR_X:
case OPT_BR_Y:
case OPT_THRESHOLD:
case OPT_CUSTOM_GAMMA:
*(SANE_Word *) val = s->val[option].w;
break;
/* word-array options: */
case OPT_GAMMA_VECTOR:
case OPT_GAMMA_VECTOR_R:
case OPT_GAMMA_VECTOR_G:
case OPT_GAMMA_VECTOR_B:
memcpy (val, s->val[option].wa, s->opt[option].size);
break;
/* string options: */
case OPT_MODE:
strcpy (val, s->val[option].s);
break;
default:
DBG (2, "sane_control_option: can't get unknown option %d\n",
option);
}
}
else if (action == SANE_ACTION_SET_VALUE)
{
if (!SANE_OPTION_IS_SETTABLE (cap))
{
DBG (2, "sane_control_option: option %d is not settable\n", option);
return SANE_STATUS_INVAL;
}
status = sanei_constrain_value (s->opt + option, val, &myinfo);
if (status != SANE_STATUS_GOOD)
{
DBG (2, "sane_control_option: sanei_constrain_value returned %s\n",
sane_strstatus (status));
return status;
}
switch (option)
{
/* (mostly) side-effect-free word options: */
case OPT_RESOLUTION:
case OPT_TL_X:
case OPT_TL_Y:
case OPT_BR_X:
case OPT_BR_Y:
s->val[option].w = *(SANE_Word *) val;
RIE (calc_parameters (s));
myinfo |= SANE_INFO_RELOAD_PARAMS;
break;
case OPT_THRESHOLD:
s->val[option].w = *(SANE_Word *) val;
break;
/* Boolean */
case OPT_PREVIEW:
s->val[option].w = *(SANE_Bool *) val;
break;
/* side-effect-free word-array options: */
case OPT_GAMMA_VECTOR:
case OPT_GAMMA_VECTOR_R:
case OPT_GAMMA_VECTOR_G:
case OPT_GAMMA_VECTOR_B:
memcpy (s->val[option].wa, val, s->opt[option].size);
check_gamma_table (s->val[option].wa);
break;
case OPT_CUSTOM_GAMMA:
s->val[OPT_CUSTOM_GAMMA].w = *(SANE_Word *) val;
myinfo |= SANE_INFO_RELOAD_OPTIONS;
if (s->val[OPT_CUSTOM_GAMMA].w == SANE_TRUE)
{
s->red_table = s->red_gamma_table;
s->green_table = s->green_gamma_table;
s->blue_table = s->blue_gamma_table;
s->gray_table = s->gray_gamma_table;
if (strcmp (s->val[OPT_MODE].s, SANE_VALUE_SCAN_MODE_GRAY) == 0)
s->opt[OPT_GAMMA_VECTOR].cap &= ~SANE_CAP_INACTIVE;
else if (strcmp (s->val[OPT_MODE].s, SANE_VALUE_SCAN_MODE_COLOR) == 0)
{
s->opt[OPT_GAMMA_VECTOR].cap &= ~SANE_CAP_INACTIVE;
s->opt[OPT_GAMMA_VECTOR_R].cap &= ~SANE_CAP_INACTIVE;
s->opt[OPT_GAMMA_VECTOR_G].cap &= ~SANE_CAP_INACTIVE;
s->opt[OPT_GAMMA_VECTOR_B].cap &= ~SANE_CAP_INACTIVE;
}
}
else
{
s->red_table = s->linear_gamma_table;
s->green_table = s->linear_gamma_table;
s->blue_table = s->linear_gamma_table;
s->gray_table = s->linear_gamma_table;
s->opt[OPT_GAMMA_VECTOR].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_GAMMA_VECTOR_R].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_GAMMA_VECTOR_G].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_GAMMA_VECTOR_B].cap |= SANE_CAP_INACTIVE;
}
break;
case OPT_MODE:
if (s->val[option].s)
free (s->val[option].s);
s->val[option].s = strdup (val);
RIE (calc_parameters (s));
s->opt[OPT_THRESHOLD].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_CUSTOM_GAMMA].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_GAMMA_VECTOR].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_GAMMA_VECTOR_R].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_GAMMA_VECTOR_G].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_GAMMA_VECTOR_B].cap |= SANE_CAP_INACTIVE;
if (strcmp (val, SANE_VALUE_SCAN_MODE_LINEART) == 0)
{
s->opt[OPT_THRESHOLD].cap &= ~SANE_CAP_INACTIVE;
}
else
{
s->opt[OPT_CUSTOM_GAMMA].cap &= ~SANE_CAP_INACTIVE;
if (s->val[OPT_CUSTOM_GAMMA].w == SANE_TRUE)
{
s->opt[OPT_GAMMA_VECTOR].cap &= ~SANE_CAP_INACTIVE;
s->opt[OPT_GAMMA_VECTOR_R].cap &= ~SANE_CAP_INACTIVE;
s->opt[OPT_GAMMA_VECTOR_G].cap &= ~SANE_CAP_INACTIVE;
s->opt[OPT_GAMMA_VECTOR_B].cap &= ~SANE_CAP_INACTIVE;
}
}
myinfo |= SANE_INFO_RELOAD_OPTIONS | SANE_INFO_RELOAD_PARAMS;
break;
default:
DBG (2, "sane_control_option: can't set unknown option %d\n",
option);
}
}
else
{
DBG (2, "sane_control_option: unknown action %d for option %d\n",
action, option);
return SANE_STATUS_INVAL;
}
if (info)
*info = myinfo;
DBG (5, "sane_control_option: exit\n");
return SANE_STATUS_GOOD;
}
SANE_Status
sane_start (SANE_Handle handle)
{
Abaton_Scanner *s = handle;
SANE_Status status;
/* First make sure we have a current parameter set. Some of the
parameters will be overwritten below, but that's OK. */
calc_parameters (s);
if (s->fd < 0)
{
/* this is the first (and maybe only) pass... */
status = sanei_scsi_open (s->hw->sane.name, &s->fd, sense_handler, 0);
if (status != SANE_STATUS_GOOD)
{
DBG (ERROR_MESSAGE, "open: open of %s failed: %s\n",
s->hw->sane.name, sane_strstatus (status));
return status;
}
}
status = wait_ready (s->fd);
if (status != SANE_STATUS_GOOD)
{
DBG (ERROR_MESSAGE, "open: wait_ready() failed: %s\n",
sane_strstatus (status));
goto stop_scanner_and_return;
}
status = request_sense (s);
if (status != SANE_STATUS_GOOD)
{
DBG (ERROR_MESSAGE, "sane_start: request_sense revealed error: %s\n",
sane_strstatus (status));
goto stop_scanner_and_return;
}
status = set_window (s);
if (status != SANE_STATUS_GOOD)
{
DBG (ERROR_MESSAGE, "open: set scan area command failed: %s\n",
sane_strstatus (status));
goto stop_scanner_and_return;
}
s->scanning = SANE_TRUE;
s->AbortedByUser = SANE_FALSE;
status = start_scan (s);
if (status != SANE_STATUS_GOOD)
goto stop_scanner_and_return;
return SANE_STATUS_GOOD;
stop_scanner_and_return:
s->scanning = SANE_FALSE;
s->AbortedByUser = SANE_FALSE;
return status;
}
SANE_Status
sane_control_option (SANE_Handle handle, SANE_Int option,
SANE_Action action, void *val, SANE_Int * info)
{
Abaton_Scanner *s = handle;
SANE_Status status;
SANE_Word cap;
if (option < 0 || option >= NUM_OPTIONS)
return SANE_STATUS_INVAL;
if (info != NULL)
*info = 0;
if (s->scanning)
return SANE_STATUS_DEVICE_BUSY;
cap = s->opt[option].cap;
if (!SANE_OPTION_IS_ACTIVE (cap))
return SANE_STATUS_INVAL;
if (action == SANE_ACTION_GET_VALUE)
{
switch (option)
{
/* word options: */
case OPT_NUM_OPTS:
case OPT_X_RESOLUTION:
case OPT_Y_RESOLUTION:
case OPT_RESOLUTION_BIND:
case OPT_PREVIEW:
case OPT_TL_X:
case OPT_TL_Y:
case OPT_BR_X:
case OPT_BR_Y:
case OPT_BRIGHTNESS:
case OPT_CONTRAST:
case OPT_THRESHOLD:
case OPT_NEGATIVE:
case OPT_MIRROR:
*(SANE_Word *) val = s->val[option].w;
return SANE_STATUS_GOOD;
/* string options */
case OPT_MODE:
case OPT_HALFTONE_PATTERN:
status = sanei_constrain_value (s->opt + option, s->val[option].s,
info);
strcpy (val, s->val[option].s);
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;
switch (option)
{
/* resolution should be uniform for previews, or when the
user says so. */
case OPT_PREVIEW:
s->val[option].w = *(SANE_Word *) val;
if (*(SANE_Word *) val) {
s->val[OPT_Y_RESOLUTION].w = s->val[OPT_X_RESOLUTION].w;
if (info)
*info |= SANE_INFO_RELOAD_OPTIONS;
}
/* always recalculate! */
calc_parameters (s);
if (info)
*info |= SANE_INFO_RELOAD_PARAMS;
return SANE_STATUS_GOOD;
case OPT_RESOLUTION_BIND:
s->val[option].w = *(SANE_Word *) val;
if (*(SANE_Word *) val) {
s->val[OPT_Y_RESOLUTION].w = s->val[OPT_X_RESOLUTION].w;
calc_parameters (s);
if (info)
*info |= SANE_INFO_RELOAD_PARAMS |
SANE_INFO_RELOAD_OPTIONS;
}
return SANE_STATUS_GOOD;
case OPT_X_RESOLUTION:
if (s->val[OPT_PREVIEW].w || s->val[OPT_RESOLUTION_BIND].w) {
s->val[OPT_Y_RESOLUTION].w = *(SANE_Word *)val;
if (info)
*info |= SANE_INFO_RELOAD_OPTIONS;
}
s->val[option].w = *(SANE_Word *) val;
calc_parameters (s);
if (info)
*info |= SANE_INFO_RELOAD_PARAMS;
return SANE_STATUS_GOOD;
case OPT_Y_RESOLUTION:
if (s->val[OPT_PREVIEW].w || s->val[OPT_RESOLUTION_BIND].w) {
s->val[OPT_X_RESOLUTION].w = *(SANE_Word *)val;
if (info)
*info |= SANE_INFO_RELOAD_OPTIONS;
}
s->val[option].w = *(SANE_Word *) val;
calc_parameters (s);
if (info)
*info |= SANE_INFO_RELOAD_PARAMS;
return SANE_STATUS_GOOD;
/* these ones don't have crazy side effects */
case OPT_TL_X:
case OPT_TL_Y:
case OPT_BR_Y:
s->val[option].w = *(SANE_Word *) val;
calc_parameters (s);
if (info)
*info |= SANE_INFO_RELOAD_PARAMS;
return SANE_STATUS_GOOD;
/* this one is somewhat imprecise */
case OPT_BR_X:
s->val[option].w = *(SANE_Word *) val;
calc_parameters (s);
if (info)
*info |= SANE_INFO_RELOAD_PARAMS
| SANE_INFO_INEXACT;
return SANE_STATUS_GOOD;
/* no side-effects whatsoever */
case OPT_BRIGHTNESS:
case OPT_CONTRAST:
case OPT_THRESHOLD:
case OPT_NEGATIVE:
case OPT_MIRROR:
s->val[option].w = *(SANE_Word *) val;
return SANE_STATUS_GOOD;
/* string options */
case OPT_HALFTONE_PATTERN:
if (info)
*info |= SANE_INFO_RELOAD_OPTIONS;
if (s->val[option].s)
free (s->val[option].s);
s->val[option].s = strdup (val);
return SANE_STATUS_GOOD;
case OPT_MODE:
status = mode_update (s, val);
if (status != SANE_STATUS_GOOD)
return status;
if (s->val[option].s)
free (s->val[option].s);
s->val[option].s = strdup (val);
if (info)
*info |= SANE_INFO_RELOAD_OPTIONS | SANE_INFO_RELOAD_PARAMS;
return SANE_STATUS_GOOD;
} /* End of switch */
} /* End of SET_VALUE */
return SANE_STATUS_INVAL;
}