sane-project-backends/backend/canon-sane.c

1415 wiersze
40 KiB
C

/**************************************************************************/
SANE_Status
sane_init (SANE_Int * version_code, SANE_Auth_Callback authorize)
{
char devnam[PATH_MAX] = "/dev/scanner";
FILE *fp;
DBG_INIT ();
DBG (1, ">> sane_init\n");
#if defined PACKAGE && defined VERSION
DBG (2, "sane_init: " PACKAGE " " VERSION "\n");
#endif
if (version_code)
*version_code = SANE_VERSION_CODE (V_MAJOR, V_MINOR, 0);
fp = sanei_config_open( CANON_CONFIG_FILE);
if (fp)
{
char line[PATH_MAX];
size_t len;
/* read config file */
while (sanei_config_read (line, sizeof (line), fp))
{
if (line[0] == '#') /* ignore line comments */
continue;
len = strlen (line);
if (!len)
continue; /* ignore empty lines */
strcpy (devnam, line);
}
fclose (fp);
}
sanei_config_attach_matching_devices (devnam, attach_one);
DBG (1, "<< sane_init\n");
return SANE_STATUS_GOOD;
}
/**************************************************************************/
void
sane_exit (void)
{
CANON_Device *dev, *next;
DBG (1, ">> sane_exit\n");
for (dev = first_dev; dev; dev = next)
{
next = dev->next;
free ((void *) dev->sane.name);
free ((void *) dev->sane.model);
free (dev);
}
DBG (1, "<< sane_exit\n");
}
/**************************************************************************/
SANE_Status
sane_get_devices (const SANE_Device *** device_list, SANE_Bool local_only)
{
static const SANE_Device **devlist = 0;
CANON_Device *dev;
int i;
DBG (1, ">> sane_get_devices\n");
if (devlist)
free (devlist);
devlist = malloc ((num_devices + 1) * sizeof (devlist[0]));
if (!devlist)
return (SANE_STATUS_NO_MEM);
i = 0;
for (dev = first_dev; dev; dev = dev->next)
devlist[i++] = &dev->sane;
devlist[i++] = 0;
*device_list = devlist;
DBG (1, "<< sane_get_devices\n");
return SANE_STATUS_GOOD;
}
/**************************************************************************/
SANE_Status
sane_open (SANE_String_Const devnam, SANE_Handle * handle)
{
SANE_Status status;
CANON_Device *dev;
CANON_Scanner *s;
int i, j;
DBG (1, ">> sane_open\n");
if (devnam[0] == '\0')
{
for (dev = first_dev; dev; dev = dev->next)
{
if (strcmp (dev->sane.name, devnam) == 0)
break;
}
if (!dev)
{
status = attach (devnam, &dev);
if (status != SANE_STATUS_GOOD)
return (status);
}
}
else
{
dev = first_dev;
}
if (!dev)
return (SANE_STATUS_INVAL);
s = malloc (sizeof (*s));
if (!s)
return SANE_STATUS_NO_MEM;
memset (s, 0, sizeof (*s));
s->fd = -1;
s->hw = dev;
for (i = 0; i < 4; ++i)
for (j = 0; j < 256; ++j)
s->gamma_table[i][j] = j;
init_options (s);
s->next = first_handle;
first_handle = s;
*handle = s;
DBG (1, "<< sane_open\n");
return SANE_STATUS_GOOD;
}
/**************************************************************************/
void
sane_close (SANE_Handle handle)
{
CANON_Scanner *s = (CANON_Scanner *) handle;
SANE_Status status;
DBG (1, ">> sane_close\n");
if (s->val[OPT_EJECT_BEFOREEXIT].w == SANE_TRUE)
{
if (s->fd == -1)
{
sanei_scsi_open (s->hw->sane.name, &s->fd, sense_handler, 0);
}
status = medium_position(s->fd);
if (status != SANE_STATUS_GOOD)
{
DBG (1, "attach: MEDIUM POSTITION failed\n");
sanei_scsi_close (s->fd);
s->fd = -1;
}
s->AF_NOW = SANE_TRUE;
DBG(1, "sane_close AF_NOW = '%d'\n", s->AF_NOW);
}
if (s->fd != -1)
{
sanei_scsi_close (s->fd);
}
free (s);
DBG (1, ">> sane_close\n");
}
/**************************************************************************/
const SANE_Option_Descriptor *
sane_get_option_descriptor (SANE_Handle handle, SANE_Int option)
{
CANON_Scanner *s = handle;
DBG (21, ">> sane_get_option_descriptor %s\n", option_name[option]);
if ((unsigned) option >= NUM_OPTIONS)
return (0);
DBG (21, "<< sane_get_option_descriptor %s\n", option_name[option]);
return (s->opt + option);
}
/**************************************************************************/
SANE_Status
sane_control_option (SANE_Handle handle, SANE_Int option,
SANE_Action action, void *val, SANE_Int * info)
{
CANON_Scanner *s = handle;
SANE_Status status;
SANE_Word w, cap;
SANE_Byte gbuf[256];
size_t buf_size;
int i, neg, gamma_component;
DBG (21, ">> sane_control_option %s\n", option_name[option]);
if (info)
*info = 0;
if (s->scanning == SANE_TRUE)
{
DBG (21, ">> sane_control_option: device is busy scanning\n");
return (SANE_STATUS_DEVICE_BUSY);
}
if (option >= NUM_OPTIONS)
return (SANE_STATUS_INVAL);
cap = s->opt[option].cap;
if (!SANE_OPTION_IS_ACTIVE (cap))
return (SANE_STATUS_INVAL);
if (action == SANE_ACTION_GET_VALUE)
{
DBG (21, "sane_control_option get value of %s\n", option_name[option]);
switch (option)
{
/* word options: */
case OPT_FLATBED_ONLY:
case OPT_TPU_ON:
case OPT_TPU_PN:
case OPT_TPU_TRANSPARENCY:
case OPT_RESOLUTION_BIND:
case OPT_HW_RESOLUTION_ONLY: /* 990320, ss */
case OPT_X_RESOLUTION:
case OPT_Y_RESOLUTION:
case OPT_TL_X:
case OPT_TL_Y:
case OPT_BR_X:
case OPT_BR_Y:
case OPT_NUM_OPTS:
case OPT_BRIGHTNESS:
case OPT_CONTRAST:
case OPT_CUSTOM_GAMMA:
case OPT_CUSTOM_GAMMA_BIND:
case OPT_HNEGATIVE:
/* case OPT_GRC: */
case OPT_MIRROR:
case OPT_AE:
case OPT_PREVIEW:
case OPT_BIND_HILO:
case OPT_HILITE_R:
case OPT_SHADOW_R:
case OPT_HILITE_G:
case OPT_SHADOW_G:
case OPT_HILITE_B:
case OPT_SHADOW_B:
case OPT_EJECT_AFTERSCAN:
case OPT_EJECT_BEFOREEXIT:
case OPT_THRESHOLD:
case OPT_AF:
case OPT_AF_ONCE:
case OPT_FOCUS:
if ( (option >= OPT_NEGATIVE) && (option <= OPT_SHADOW_B) )
{
DBG(21, "GET_VALUE for %s: s->val[%s].w = %d\n",
option_name[option], option_name[option], s->val[option].w);
}
*(SANE_Word *) val = s->val[option].w;
DBG(21, "value for option %s: %d\n", option_name[option], s->val[option].w);
if (info)
*info |= SANE_INFO_RELOAD_PARAMS;
return (SANE_STATUS_GOOD);
case OPT_GAMMA_VECTOR:
case OPT_GAMMA_VECTOR_R:
case OPT_GAMMA_VECTOR_G:
case OPT_GAMMA_VECTOR_B:
memset (gbuf, 0, sizeof (gbuf));
buf_size = sizeof (gbuf);
sanei_scsi_open (s->hw->sane.name, &s->fd, sense_handler, 0);
DBG (21, "sending GET_DENSITY_CURVE\n");
if (s->val[OPT_CUSTOM_GAMMA_BIND].w == SANE_TRUE)
{
/* If using bind analog gamma, option will be OPT_GAMMA_VECTOR.
In this case, use the curve for green */
gamma_component = 2;
}
else
{
/* Else use a different index for each curve */
gamma_component = option - OPT_GAMMA_VECTOR;
}
/* Now get the values from the scanner */
status =
get_density_curve (s->fd, gamma_component, gbuf, &buf_size);
sanei_scsi_close (s->fd);
s->fd = -1;
if (status != SANE_STATUS_GOOD)
{
DBG (21, "GET_DENSITY_CURVE\n");
return (SANE_STATUS_INVAL);
}
neg = (s->hw->info.model == CS2700) ?
s->val[OPT_NEGATIVE].w :
s->val[OPT_HNEGATIVE].w;
for (i=0; i<256; i++)
{
if(neg == SANE_FALSE)
{
s->gamma_table[option-OPT_GAMMA_VECTOR][i] = 255.0 / 256.0 * (SANE_Int)gbuf[i];
}
else
{
s->gamma_table[option-OPT_GAMMA_VECTOR][i] = 255 - 255.0 / 256.0 * (SANE_Int)gbuf[255-i];;
}
}
memcpy (val, s->val[option].wa, s->opt[option].size);
DBG(21, "value for option %s: %d\n", option_name[option], s->val[option].w);
return (SANE_STATUS_GOOD);
/* string options: */
case OPT_TPU_DCM:
case OPT_TPU_FILMTYPE:
case OPT_MODE:
strcpy (val, s->val[option].s);
if (info)
*info |= SANE_INFO_RELOAD_PARAMS;
DBG(21, "value for option %s: %s\n", option_name[option], s->val[option].s);
return (SANE_STATUS_GOOD);
case OPT_PAGE:
strcpy (val, s->val[option].s);
if (info)
*info |= SANE_INFO_RELOAD_PARAMS | SANE_INFO_RELOAD_OPTIONS;
DBG(21, "value for option %s: %s\n", option_name[option], s->val[option].s);
return (SANE_STATUS_GOOD);
case OPT_NEGATIVE:
strcpy (val, s->val[option].s);
if (info)
*info |= SANE_INFO_RELOAD_PARAMS | SANE_INFO_RELOAD_OPTIONS;
DBG(21, "value for option %s: %s\n", option_name[option], s->val[option].s);
return (SANE_STATUS_GOOD);
case OPT_NEGATIVE_TYPE:
strcpy (val, s->val[option].s);
if (info)
*info |= SANE_INFO_RELOAD_PARAMS | SANE_INFO_RELOAD_OPTIONS;
DBG(21, "value for option %s: %s\n", option_name[option], s->val[option].s);
return (SANE_STATUS_GOOD);
case OPT_SCANNING_SPEED:
strcpy (val, s->val[option].s);
if (info)
*info |= SANE_INFO_RELOAD_PARAMS | SANE_INFO_RELOAD_OPTIONS;
DBG(21, "value for option %s: %s\n", option_name[option], s->val[option].s);
return (SANE_STATUS_GOOD);
default:
val = 0;
return (SANE_STATUS_GOOD);
}
}
else if (action == SANE_ACTION_SET_VALUE)
{
DBG (21, "sane_control_option set value for %s\n", option_name[option]);
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)
{
/* (mostly) side-effect-free word options: */
case OPT_TPU_PN:
case OPT_TPU_TRANSPARENCY:
case OPT_X_RESOLUTION:
case OPT_Y_RESOLUTION:
case OPT_TL_X:
case OPT_TL_Y:
case OPT_BR_X:
case OPT_BR_Y:
if (info && s->val[option].w != *(SANE_Word *) val)
*info |= SANE_INFO_RELOAD_PARAMS;
/* fall through */
case OPT_NUM_OPTS:
case OPT_BRIGHTNESS:
case OPT_CONTRAST:
case OPT_THRESHOLD:
case OPT_HNEGATIVE:
/* case OPT_GRC: */
case OPT_MIRROR:
case OPT_AE:
case OPT_PREVIEW:
case OPT_HILITE_R:
case OPT_SHADOW_R:
case OPT_HILITE_G:
case OPT_SHADOW_G:
case OPT_HILITE_B:
case OPT_SHADOW_B:
case OPT_AF_ONCE:
case OPT_FOCUS:
case OPT_EJECT_AFTERSCAN:
case OPT_EJECT_BEFOREEXIT:
s->val[option].w = *(SANE_Word *) val;
DBG(21, "SET_VALUE for %s: s->val[%s].w = %d\n",
option_name[option], option_name[option], s->val[option].w);
return (SANE_STATUS_GOOD);
case OPT_RESOLUTION_BIND:
if (s->val[option].w != *(SANE_Word *) val)
{
s->val[option].w = *(SANE_Word *) val;
if (info) { *info |= SANE_INFO_RELOAD_OPTIONS; }
if (s->val[option].w == SANE_FALSE)
{ /* don't bind */
s->opt[OPT_Y_RESOLUTION].cap &= ~SANE_CAP_INACTIVE;
s->opt[OPT_X_RESOLUTION].title = SANE_TITLE_SCAN_X_RESOLUTION;
s->opt[OPT_X_RESOLUTION].name = SANE_NAME_SCAN_X_RESOLUTION;
s->opt[OPT_X_RESOLUTION].desc = SANE_DESC_SCAN_X_RESOLUTION;
}
else
{ /* bind */
s->opt[OPT_Y_RESOLUTION].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_X_RESOLUTION].title = SANE_TITLE_SCAN_RESOLUTION;
s->opt[OPT_X_RESOLUTION].name = SANE_NAME_SCAN_RESOLUTION;
s->opt[OPT_X_RESOLUTION].desc = SANE_DESC_SCAN_RESOLUTION;
}
}
return SANE_STATUS_GOOD;
/* 990320, ss: switch between slider and option menue for resolution */
case OPT_HW_RESOLUTION_ONLY:
if (s->val[option].w != *(SANE_Word *) val)
{
int iPos, xres, yres;
s->val[option].w = *(SANE_Word *) val;
if (info) { *info |= SANE_INFO_RELOAD_OPTIONS; }
if (s->val[option].w == SANE_FALSE)
{
/* use complete range */
s->opt[OPT_X_RESOLUTION].constraint_type = SANE_CONSTRAINT_RANGE;
s->opt[OPT_X_RESOLUTION].constraint.range = &s->hw->info.xres_range;
s->opt[OPT_Y_RESOLUTION].constraint_type = SANE_CONSTRAINT_RANGE;
s->opt[OPT_Y_RESOLUTION].constraint.range = &s->hw->info.yres_range;
}
else
{
/* use only hardware resolutions */
s->opt[OPT_X_RESOLUTION].constraint_type = SANE_CONSTRAINT_WORD_LIST;
s->opt[OPT_X_RESOLUTION].constraint.word_list = s->xres_word_list;
s->opt[OPT_Y_RESOLUTION].constraint_type = SANE_CONSTRAINT_WORD_LIST;
s->opt[OPT_Y_RESOLUTION].constraint.word_list = s->yres_word_list;
/* adjust resolutions */
xres = s->xres_word_list[1];
for (iPos = 0; iPos < s->xres_word_list[0]; iPos++)
{
if (s->val[OPT_X_RESOLUTION].w >= s->xres_word_list[iPos+1])
{
xres = s->xres_word_list[iPos+1];
}
}
s->val[OPT_X_RESOLUTION].w = xres;
yres = s->yres_word_list[1];
for (iPos = 0; iPos < s->yres_word_list[0]; iPos++)
{
if (s->val[OPT_Y_RESOLUTION].w >= s->yres_word_list[iPos+1])
{
yres = s->yres_word_list[iPos+1];
}
}
s->val[OPT_Y_RESOLUTION].w = yres;
}
}
return (SANE_STATUS_GOOD);
case OPT_BIND_HILO:
if (s->val[option].w != *(SANE_Word *) val)
{
s->val[option].w = *(SANE_Word *) val;
if (info) { *info |= SANE_INFO_RELOAD_OPTIONS; }
if (s->val[option].w == SANE_FALSE)
{ /* don't bind */
s->opt[OPT_HILITE_R].cap &= ~SANE_CAP_INACTIVE;
s->opt[OPT_SHADOW_R].cap &= ~SANE_CAP_INACTIVE;
s->opt[OPT_HILITE_B].cap &= ~SANE_CAP_INACTIVE;
s->opt[OPT_SHADOW_B].cap &= ~SANE_CAP_INACTIVE;
s->opt[OPT_HILITE_G].title = SANE_TITLE_HIGHLIGHT_G;
s->opt[OPT_HILITE_G].name = SANE_NAME_HIGHLIGHT_G;
s->opt[OPT_HILITE_G].desc = SANE_DESC_HIGHLIGHT_G;
s->opt[OPT_SHADOW_G].title = SANE_TITLE_SHADOW_G;
s->opt[OPT_SHADOW_G].name = SANE_NAME_SHADOW_G;
s->opt[OPT_SHADOW_G].desc = SANE_DESC_SHADOW_G;
}
else
{ /* bind */
s->opt[OPT_HILITE_R].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_SHADOW_R].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_HILITE_B].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_SHADOW_B].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_HILITE_G].title = SANE_TITLE_HIGHLIGHT;
s->opt[OPT_HILITE_G].name = SANE_NAME_HIGHLIGHT;
s->opt[OPT_HILITE_G].desc = SANE_DESC_HIGHLIGHT;
s->opt[OPT_SHADOW_G].title = SANE_TITLE_SHADOW;
s->opt[OPT_SHADOW_G].name = SANE_NAME_SHADOW;
s->opt[OPT_SHADOW_G].desc = SANE_DESC_SHADOW;
}
}
return SANE_STATUS_GOOD;
case OPT_AF:
if (info && s->val[option].w != *(SANE_Word *) val)
*info |= SANE_INFO_RELOAD_OPTIONS | SANE_INFO_RELOAD_PARAMS;
s->val[option].w = *(SANE_Word *) val;
w = *(SANE_Word *) val;
if (w)
{
s->opt[OPT_AF_ONCE].cap &= ~SANE_CAP_INACTIVE;
s->opt[OPT_FOCUS].cap |= SANE_CAP_INACTIVE;
}
else
{
s->opt[OPT_AF_ONCE].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_FOCUS].cap &= ~SANE_CAP_INACTIVE;
}
return (SANE_STATUS_GOOD);
case OPT_FLATBED_ONLY:
switch (action)
{
case SANE_ACTION_SET_VALUE:
s->val[option].w = *(SANE_Word *) val;
if (s->hw->adf.Status != ADF_STAT_NONE &&
s->val[option].w == SANE_TRUE) /* switch on */
{
s->hw->adf.Priority |= 0x03; /* flatbed mode */
s->hw->adf.Feeder &= 0x00; /* no autofeed mode (default)*/
s->hw->adf.Status = ADF_STAT_DISABLED;
s->val[option].w = SANE_TRUE;
} /* if it isn't connected, don't bother fixing */
break;
case SANE_ACTION_GET_VALUE:
val = &s->val[option].w;
break;
default:
break;
}
return SANE_STATUS_GOOD;
case OPT_TPU_ON:
if ( s->val[OPT_TPU_ON].w == TPU_STAT_INACTIVE ) /* switch on */
{
s->val[OPT_TPU_ON].w = TPU_STAT_ACTIVE;
s->opt[OPT_TPU_ON].title = "Turn Off the Transparency Unit";
s->opt[OPT_TPU_TRANSPARENCY].cap &=
(s->hw->tpu.ControlMode == 3) ? ~SANE_CAP_INACTIVE : ~0;
s->opt[OPT_TPU_FILMTYPE].cap &=
(s->hw->tpu.ControlMode == 1) ? ~SANE_CAP_INACTIVE : ~0;
}
else /* switch off */
{
s->val[OPT_TPU_ON].w = TPU_STAT_INACTIVE;
s->opt[OPT_TPU_ON].title = "Turn On Transparency Unit";
s->opt[OPT_TPU_TRANSPARENCY].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_TPU_FILMTYPE].cap |= SANE_CAP_INACTIVE;
}
s->opt[OPT_TPU_PN].cap ^= SANE_CAP_INACTIVE;
s->opt[OPT_TPU_DCM].cap ^= SANE_CAP_INACTIVE;
if (info)
*info |= SANE_INFO_RELOAD_PARAMS | SANE_INFO_RELOAD_OPTIONS;
return SANE_STATUS_GOOD;
case OPT_TPU_DCM:
if (s->val[OPT_TPU_DCM].s)
free (s->val[OPT_TPU_DCM].s);
s->val[OPT_TPU_DCM].s = strdup (val);
s->opt[OPT_TPU_TRANSPARENCY].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_TPU_FILMTYPE].cap |= SANE_CAP_INACTIVE;
if (!strcmp(s->val[OPT_TPU_DCM].s,
"Correction according to Transparency Ratio"))
{
s->hw->tpu.ControlMode = 3;
s->opt[OPT_TPU_TRANSPARENCY].cap &= ~SANE_CAP_INACTIVE;
}
else if (!strcmp(s->val[OPT_TPU_DCM].s,
"Correction according to Film type"))
{
s->hw->tpu.ControlMode = 1;
s->opt[OPT_TPU_FILMTYPE].cap &= ~SANE_CAP_INACTIVE;
}
else s->hw->tpu.ControlMode = 0;
if (info)
*info |= SANE_INFO_RELOAD_PARAMS | SANE_INFO_RELOAD_OPTIONS;
return SANE_STATUS_GOOD;
case OPT_TPU_FILMTYPE:
if (s->val[option].s)
free (s->val[option].s);
s->val[option].s = strdup (val);
return SANE_STATUS_GOOD;
case OPT_MODE:
if (info && strcmp (s->val[option].s, (SANE_String) val))
*info |= SANE_INFO_RELOAD_OPTIONS | SANE_INFO_RELOAD_PARAMS;
if (s->val[option].s)
free (s->val[option].s);
s->val[option].s = strdup (val);
if (!strcmp(val, "Lineart") || !strcmp(val, "Halftone"))
{
/* For Lineart and Halftone: */
/* Enable "threshold" */
s->opt[OPT_THRESHOLD].cap &= ~SANE_CAP_INACTIVE;
/* Disable "custom gamma" and "brightness & contrast" */
s->opt[OPT_CUSTOM_GAMMA].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_CUSTOM_GAMMA_BIND].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;
s->opt[OPT_BRIGHTNESS].cap |= SANE_CAP_INACTIVE ;
s->opt[OPT_CONTRAST].cap |= SANE_CAP_INACTIVE ;
}
else
{
/* For Gray and Color modes: */
/* Disable "threshold" */
s->opt[OPT_THRESHOLD].cap |= SANE_CAP_INACTIVE;
/* Enable "custom gamma" and "brightness & contrast" */
s->opt[OPT_CUSTOM_GAMMA].cap &= ~SANE_CAP_INACTIVE;
if (s->val[OPT_CUSTOM_GAMMA].w == SANE_TRUE)
{
if (!strcmp(val, "Color"))
{
s->opt[OPT_CUSTOM_GAMMA_BIND].cap &= ~SANE_CAP_INACTIVE;
if (s->val[OPT_CUSTOM_GAMMA_BIND].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;
}
else
{
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->opt[OPT_CUSTOM_GAMMA_BIND].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;
}
}
else
{
s->opt[OPT_BRIGHTNESS].cap &= ~SANE_CAP_INACTIVE ;
s->opt[OPT_CONTRAST].cap &= ~SANE_CAP_INACTIVE ;
}
}
return (SANE_STATUS_GOOD);
case OPT_NEGATIVE:
if (info && strcmp (s->val[option].s, (SANE_String) val))
*info |= SANE_INFO_RELOAD_OPTIONS | SANE_INFO_RELOAD_PARAMS;
if (s->val[option].s)
free (s->val[option].s);
s->val[option].s = strdup (val);
if (!strcmp(val, "Negatives"))
{
s->RIF = 0;
s->opt[OPT_NEGATIVE_TYPE].cap &= ~SANE_CAP_INACTIVE;
s->opt[OPT_SCANNING_SPEED].cap &= ~SANE_CAP_INACTIVE;
s->opt[OPT_AE].cap |= SANE_CAP_INACTIVE;
}
else
{
s->RIF = 1;
s->opt[OPT_NEGATIVE_TYPE].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_SCANNING_SPEED].cap |= SANE_CAP_INACTIVE;
s->opt[OPT_AE].cap &= ~SANE_CAP_INACTIVE;
}
return (SANE_STATUS_GOOD);
case OPT_NEGATIVE_TYPE:
if (info && strcmp (s->val[option].s, (SANE_String) val))
*info |= SANE_INFO_RELOAD_OPTIONS | SANE_INFO_RELOAD_PARAMS;
if (s->val[option].s)
free (s->val[option].s);
s->val[option].s = strdup (val);
for(i = 0; strcmp(val, negative_filmtype_list[i]); i++);
s->negative_filmtype = i;
return (SANE_STATUS_GOOD);
case OPT_SCANNING_SPEED:
if (info && strcmp (s->val[option].s, (SANE_String) val))
*info |= SANE_INFO_RELOAD_OPTIONS | SANE_INFO_RELOAD_PARAMS;
if (s->val[option].s)
free (s->val[option].s);
s->val[option].s = strdup (val);
for(i = 0; strcmp(val, scanning_speed_list[i]); i++);
s->scanning_speed = i;
return (SANE_STATUS_GOOD);
case OPT_PAGE:
if (info && strcmp (s->val[option].s, (SANE_String) val))
*info |= SANE_INFO_RELOAD_OPTIONS | SANE_INFO_RELOAD_PARAMS;
if (s->val[option].s)
free (s->val[option].s);
s->val[option].s = strdup (val);
if (info)
*info |= SANE_INFO_RELOAD_PARAMS | SANE_INFO_RELOAD_OPTIONS;
DBG(21, "value for option %s: %s\n", option_name[option], s->val[option].s);
if (!strcmp(val, "Show normal options"))
{
DBG(21,"setting OPT_PAGE to 'Normal options'\n");
s->opt[OPT_MODE_GROUP].cap &= ~SANE_CAP_ADVANCED;
s->opt[OPT_RESOLUTION_GROUP].cap &= ~SANE_CAP_ADVANCED;
s->opt[OPT_ENHANCEMENT_GROUP].cap &= ~SANE_CAP_ADVANCED;
s->opt[OPT_EJECT_GROUP].cap &= ~SANE_CAP_ADVANCED;
s->opt[OPT_ADF_GROUP].cap &= ~SANE_CAP_ADVANCED;
s->opt[OPT_FOCUS_GROUP].cap |= SANE_CAP_ADVANCED;
s->opt[OPT_MARGINS_GROUP].cap |= SANE_CAP_ADVANCED;
s->opt[OPT_COLORS_GROUP].cap |= SANE_CAP_ADVANCED;
}
else if (!strcmp(val, "Show advanced options"))
{
DBG(21,"setting OPT_PAGE to 'Advanced options'\n");
s->opt[OPT_MODE_GROUP].cap |= SANE_CAP_ADVANCED;
s->opt[OPT_RESOLUTION_GROUP].cap |= SANE_CAP_ADVANCED;
s->opt[OPT_ENHANCEMENT_GROUP].cap |= SANE_CAP_ADVANCED;
s->opt[OPT_EJECT_GROUP].cap |= SANE_CAP_ADVANCED;
s->opt[OPT_ADF_GROUP].cap |= SANE_CAP_ADVANCED;
s->opt[OPT_FOCUS_GROUP].cap &= ~SANE_CAP_ADVANCED;
s->opt[OPT_MARGINS_GROUP].cap &= ~SANE_CAP_ADVANCED;
s->opt[OPT_COLORS_GROUP].cap &= ~SANE_CAP_ADVANCED;
}
else
{
s->opt[OPT_MODE_GROUP].cap &= ~SANE_CAP_ADVANCED;
s->opt[OPT_RESOLUTION_GROUP].cap &= ~SANE_CAP_ADVANCED;
s->opt[OPT_ENHANCEMENT_GROUP].cap &= ~SANE_CAP_ADVANCED;
s->opt[OPT_EJECT_GROUP].cap &= ~SANE_CAP_ADVANCED;
s->opt[OPT_ADF_GROUP].cap &= ~SANE_CAP_ADVANCED;
s->opt[OPT_FOCUS_GROUP].cap &= ~SANE_CAP_ADVANCED;
s->opt[OPT_MARGINS_GROUP].cap &= ~SANE_CAP_ADVANCED;
s->opt[OPT_COLORS_GROUP].cap &= ~SANE_CAP_ADVANCED;
}
return (SANE_STATUS_GOOD);
case OPT_EJECT_NOW:
sanei_scsi_open (s->hw->sane.name, &s->fd, sense_handler, 0);
status = medium_position(s->fd);
if (status != SANE_STATUS_GOOD)
{
DBG (21, "MEDIUM POSTITION failed\n");
sanei_scsi_close (s->fd);
s->fd = -1;
return (SANE_STATUS_INVAL);
}
DBG(21, "AF_NOW before = '%d'\n", s->AF_NOW);
s->AF_NOW = SANE_TRUE;
DBG(21, "AF_NOW after = '%d'\n", s->AF_NOW);
sanei_scsi_close (s->fd);
s->fd = -1;
return status;
case OPT_CUSTOM_GAMMA:
w = *(SANE_Word *) val;
if (w == s->val[OPT_CUSTOM_GAMMA].w)
return SANE_STATUS_GOOD; /* no change */
if (info)
*info |= SANE_INFO_RELOAD_OPTIONS;
s->val[OPT_CUSTOM_GAMMA].w = w;
if (w)
{
const char *mode = s->val[OPT_MODE].s;
if (!strcmp (mode, "Gray"))
s->opt[OPT_GAMMA_VECTOR].cap &= ~SANE_CAP_INACTIVE;
else if (!strcmp (mode, "Color"))
{
s->opt[OPT_CUSTOM_GAMMA_BIND].cap &= ~SANE_CAP_INACTIVE;
if (s->val[OPT_CUSTOM_GAMMA_BIND].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;
}
else
{
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;
}
}
s->opt[OPT_BRIGHTNESS].cap |= SANE_CAP_INACTIVE ;
s->opt[OPT_CONTRAST].cap |= SANE_CAP_INACTIVE ;
}
else
{
s->opt[OPT_CUSTOM_GAMMA_BIND].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;
s->opt[OPT_BRIGHTNESS].cap &= ~SANE_CAP_INACTIVE;
s->opt[OPT_CONTRAST].cap &= ~SANE_CAP_INACTIVE;
}
return SANE_STATUS_GOOD;
case OPT_CUSTOM_GAMMA_BIND:
w = *(SANE_Word *) val;
if (w == s->val[OPT_CUSTOM_GAMMA_BIND].w)
return SANE_STATUS_GOOD; /* no change */
if (info)
*info |= SANE_INFO_RELOAD_OPTIONS;
s->val[OPT_CUSTOM_GAMMA_BIND].w = w;
if (w)
{
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->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;
}
return SANE_STATUS_GOOD;
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);
DBG(21, "setting gamma vector\n");
/* if (info) */
/* *info |= SANE_INFO_RELOAD_OPTIONS; */
return (SANE_STATUS_GOOD);
}
}
DBG (1, "<< sane_control_option %s\n", option_name[option]);
return (SANE_STATUS_INVAL);
}
/**************************************************************************/
SANE_Status
sane_get_parameters (SANE_Handle handle, SANE_Parameters * params)
{
CANON_Scanner *s = handle;
DBG (1, ">> sane_get_parameters\n");
if (!s->scanning)
{
int width, length, xres, yres;
const char *mode;
memset (&s->params, 0, sizeof (s->params));
width = SANE_UNFIX(s->val[OPT_BR_X].w - s->val[OPT_TL_X].w)
* s->hw->info.mud / MM_PER_INCH;
length = SANE_UNFIX(s->val[OPT_BR_Y].w - s->val[OPT_TL_Y].w)
* s->hw->info.mud / MM_PER_INCH;
xres = s->val[OPT_X_RESOLUTION].w;
yres = s->val[OPT_Y_RESOLUTION].w;
if ( (s->val[OPT_RESOLUTION_BIND].w == SANE_TRUE)
|| (s->val[OPT_PREVIEW].w == SANE_TRUE) )
{
yres = xres;
}
/* make best-effort guess at what parameters will look like once
scanning starts. */
if (xres > 0 && yres > 0 && width > 0 && length > 0)
{
DBG(11, "sane_get_parameters: width='%d', xres='%d', mud='%d'\n",
width, xres, s->hw->info.mud);
s->params.pixels_per_line = width * xres / s->hw->info.mud;
DBG(11, "sane_get_parameters: length='%d', yres='%d', mud='%d'\n",
length, yres, s->hw->info.mud);
s->params.lines = length * yres / s->hw->info.mud;
DBG(11, "sane_get_parameters: pixels_per_line='%d', lines='%d'\n",
s->params.pixels_per_line, s->params.lines);
}
mode = s->val[OPT_MODE].s;
if (strcmp (mode, "Lineart") == 0 || strcmp (mode, "Halftone") == 0)
{
s->params.format = SANE_FRAME_GRAY;
s->params.bytes_per_line = s->params.pixels_per_line / 8;
/* workaround rounding problems */
s->params.pixels_per_line = s->params.bytes_per_line * 8;
s->params.depth = 1;
}
else if (strcmp (mode, "Gray") == 0)
{
s->params.format = SANE_FRAME_GRAY;
s->params.bytes_per_line = s->params.pixels_per_line;
s->params.depth = 8;
}
else
{
s->params.format = SANE_FRAME_RGB;
s->params.bytes_per_line = 3 * s->params.pixels_per_line;
s->params.depth = 8;
}
s->params.last_frame = SANE_TRUE;
}
DBG(11, "sane_get_parameters: xres='%d', yres='%d', pixels_per_line='%d', bytes_per_line='%d', lines='%d'\n", s->xres, s->yres, s->params.pixels_per_line, s->params.bytes_per_line, s->params.lines);
if (params)
*params = s->params;
DBG (1, "<< sane_get_parameters\n");
return (SANE_STATUS_GOOD);
}
/**************************************************************************/
SANE_Status
sane_start (SANE_Handle handle)
{
int mode;
char *mode_str;
CANON_Scanner *s = handle;
SANE_Status status;
u_char wbuf[72], dbuf[28], ebuf[64];
size_t buf_size;
int i;
DBG (1, ">> sane_start\n");
s->scanning = SANE_FALSE;
if( (s->hw->adf.Status == SANE_TRUE)
&& (s->val[OPT_FLATBED_ONLY].w != SANE_TRUE)
&& (s->hw->adf.Problem != 0))
{
DBG (3, "SCANNER ADF HAS A PROBLEM\n");
if (s->hw->adf.Problem & 0x08)
{
status = SANE_STATUS_COVER_OPEN;
DBG (3, "ADF Cover Open\n");
}
else if (s->hw->adf.Problem & 0x04)
{
status = SANE_STATUS_JAMMED;
DBG (3, "ADF Paper Jam\n");
}
else /* adf.Problem = 0x02 */
{
status = SANE_STATUS_NO_DOCS;
DBG (3, "ADF No More Documents\n");
}
return status;
}
else if( (s->hw->adf.Status == SANE_TRUE)
&& (s->val[OPT_FLATBED_ONLY].w == SANE_TRUE))
{
set_adf_mode(s->fd, s->hw->adf.Priority);
/* 2.23 define ADF Mode */
}
else if( (s->val[OPT_AE].w == SANE_TRUE)
&& (!strcmp(s->val[OPT_NEGATIVE].s, "Slides"))
&& (s->val[OPT_PREVIEW].w == SANE_FALSE))
{
DBG (1, ">> going to adjust_hilo_points\n");
adjust_hilo_points(s);
DBG (1, "<< returned from adjust_hilo_points\n");
}
/* First make sure we have a current parameter set. Some of the
parameters will be overwritten below, but that's OK. */
status = sane_get_parameters (s, 0);
if (status != SANE_STATUS_GOOD)
return status;
status = sanei_scsi_open (s->hw->sane.name, &s->fd, sense_handler, 0);
if (status != SANE_STATUS_GOOD)
{
DBG (1, "open of %s failed: %s\n",
s->hw->sane.name, sane_strstatus (status));
return (status);
}
/* Do focus, but not for the preview */
if( (s->val[OPT_PREVIEW].w == SANE_FALSE) &&
(s->AF_NOW == SANE_TRUE))
{
do_focus(s);
if(s->val[OPT_AF_ONCE].w == SANE_TRUE)
{
s->AF_NOW = SANE_FALSE;
}
}
if (s->val[OPT_CUSTOM_GAMMA].w == 1)
{
do_gamma(s);
}
#if 1
DBG (3, "attach: sending GET SCAN MODE for scan control conditions\n");
memset (ebuf, 0, sizeof (ebuf));
buf_size = 20;
status = get_scan_mode (s->fd, (u_char)SCAN_CONTROL_CONDITIONS,
ebuf, &buf_size);
/* if (status != SANE_STATUS_GOOD) */
/* { */
/* DBG (1, "attach: GET SCAN MODE for scan control conditions failed\n"); */
/* sanei_scsi_close (s->fd); */
/* return (SANE_STATUS_INVAL); */
/* } */
for (i=0; i<buf_size; i++)
{
DBG(3, "scan mode control byte[%d] = %d\n", i, ebuf[i]);
}
DBG (3, "attach: sending GET SCAN MODE for transparency unit\n");
memset (ebuf, 0, sizeof (ebuf));
buf_size = 12;
status = get_scan_mode (s->fd, (u_char)TRANSPARENCY_UNIT,
ebuf, &buf_size);
if (status != SANE_STATUS_GOOD)
{
DBG (1, "attach: GET SCAN MODE for transparency unit failed\n");
sanei_scsi_close (s->fd);
return (SANE_STATUS_INVAL);
}
for (i=0; i<buf_size; i++)
{
DBG(3, "scan mode control byte[%d] = %d\n", i, ebuf[i]);
}
#endif
mode_str = s->val[OPT_MODE].s;
s->xres = s->val[OPT_X_RESOLUTION].w;
s->yres = s->val[OPT_Y_RESOLUTION].w;
if ( (s->val[OPT_RESOLUTION_BIND].w == SANE_TRUE)
|| (s->val[OPT_PREVIEW].w == SANE_TRUE) )
{
s->yres = s->xres;
}
s->ulx = SANE_UNFIX(s->val[OPT_TL_X].w) * s->hw->info.mud / MM_PER_INCH;
s->uly = SANE_UNFIX(s->val[OPT_TL_Y].w) * s->hw->info.mud / MM_PER_INCH;
s->width = SANE_UNFIX(s->val[OPT_BR_X].w - s->val[OPT_TL_X].w)
* s->hw->info.mud / MM_PER_INCH;
s->length = SANE_UNFIX(s->val[OPT_BR_Y].w - s->val[OPT_TL_Y].w)
* s->hw->info.mud / MM_PER_INCH;
DBG(11, "s->width='%d', s->length='%d'\n", s->width, s->length);
s->RIF = (s->hw->info.model == CS2700) ?
s->RIF :
((strcmp (mode_str, "Lineart") == 0) ||
(strcmp (mode_str, "Halftone") == 0))
? s->val[OPT_HNEGATIVE].w : !s->val[OPT_HNEGATIVE].w;
/* s->brightness = (s->RIF == 0) ? */
/* s->val[OPT_BRIGHTNESS].w : (255 - s->val[OPT_BRIGHTNESS].w); */
s->brightness = s->val[OPT_BRIGHTNESS].w;
s->contrast = s->val[OPT_CONTRAST].w;
s->threshold = s->val[OPT_THRESHOLD].w;
s->bpp = s->params.depth;
s->GRC = s->val[OPT_CUSTOM_GAMMA].w;
s->Mirror = s->val[OPT_MIRROR].w;
s->AE = s->val[OPT_AE].w;
s->HiliteG = s->val[OPT_HILITE_G].w;
s->ShadowG = s->val[OPT_SHADOW_G].w;
if (s->val[OPT_BIND_HILO].w == SANE_TRUE)
{
s->HiliteR = s->val[OPT_HILITE_G].w;
s->ShadowR = s->val[OPT_SHADOW_G].w;
s->HiliteB = s->val[OPT_HILITE_G].w;
s->ShadowB = s->val[OPT_SHADOW_G].w;
}
else
{
s->HiliteR = s->val[OPT_HILITE_R].w;
s->ShadowR = s->val[OPT_SHADOW_R].w;
s->HiliteB = s->val[OPT_HILITE_B].w;
s->ShadowB = s->val[OPT_SHADOW_B].w;
}
if (strcmp (mode_str, "Lineart") == 0)
{
mode = 4;
s->image_composition = 0;
}
else if (strcmp (mode_str, "Halftone") == 0)
{
mode = 4;
s->image_composition = 1;
}
else if (strcmp (mode_str, "Gray") == 0)
{
mode = 5;
s->image_composition = 2;
}
else if (strcmp (mode_str, "Color") == 0)
{
mode = 6;
s->image_composition = 5;
}
memset (wbuf, 0, sizeof (wbuf));
wbuf[7] = 64;
wbuf[10] = s->xres >> 8;
wbuf[11] = s->xres;
wbuf[12] = s->yres >> 8;
wbuf[13] = s->yres;
wbuf[14] = s->ulx >> 24;
wbuf[15] = s->ulx >> 16;
wbuf[16] = s->ulx >> 8;
wbuf[17] = s->ulx;
wbuf[18] = s->uly >> 24;
wbuf[19] = s->uly >> 16;
wbuf[20] = s->uly >> 8;
wbuf[21] = s->uly;
wbuf[22] = s->width >> 24;
wbuf[23] = s->width >> 16;
wbuf[24] = s->width >> 8;
wbuf[25] = s->width;
wbuf[26] = s->length >> 24;
wbuf[27] = s->length >> 16;
wbuf[28] = s->length >> 8;
wbuf[29] = s->length;
wbuf[30] = s->brightness;
wbuf[31] = s->threshold;
wbuf[32] = s->contrast;
wbuf[33] = s->image_composition;
wbuf[34] = s->bpp;
wbuf[36] = 1;
/* wbuf[37] = (s->RIF << 7) + 3; */
wbuf[37] = (1 << 7) + 3;
wbuf[50] = (s->GRC << 3) | (s->Mirror << 2) | (s->AE);
/* wbuf[50] = (s->GRC << 3) | (s->Mirror << 2) ; */
/* if(s->RIF == 1) */
/* { */
/* wbuf[50] |= s->AE; */
/* } */
wbuf[54] = 2;
wbuf[57] = 1;
wbuf[58] = 1;
wbuf[59] = s->HiliteR;
wbuf[60] = s->ShadowR;
wbuf[62] = s->HiliteG;
wbuf[64] = s->ShadowG;
wbuf[70] = s->HiliteB;
wbuf[71] = s->ShadowB;
DBG(7, "RIF=%d, GRC=%d, Mirror=%d, AE=%d\n",
s->RIF, s->GRC, s->Mirror, s->AE);
DBG(7, "HR=%d, SR=%d, HG=%d, SG=%d, HB=%d, SB=%d\n",
s->HiliteR, s->ShadowR,
s->HiliteG, s->ShadowG,
s->HiliteB, s->ShadowB);
buf_size = sizeof (wbuf);
status = set_window (s->fd, wbuf);
if (status != SANE_STATUS_GOOD)
{
DBG (1, "SET WINDOW failed: %s\n", sane_strstatus (status));
return (status);
}
buf_size = sizeof (wbuf);
memset (wbuf, 0, buf_size);
status = get_window (s->fd, wbuf, &buf_size);
if (status != SANE_STATUS_GOOD)
{
DBG (1, "GET WINDOW failed: %s\n", sane_strstatus (status));
return (status);
}
DBG (5, "xres=%d\n", (wbuf[10] * 256) + wbuf[11]);
DBG (5, "yres=%d\n", (wbuf[12] * 256) + wbuf[13]);
DBG (5, "ulx=%d\n", (wbuf[14] * 256 * 256 * 256)
+ (wbuf[15] * 256 * 256) + (wbuf[16] * 256) + wbuf[17]);
DBG (5, "uly=%d\n", (wbuf[18] * 256 * 256 * 256)
+ (wbuf[19] * 256 * 256) + (wbuf[20] * 256) + wbuf[21]);
DBG (5, "width=%d\n", (wbuf[22] * 256 * 256 * 256)
+ (wbuf[23] * 256 * 256) + (wbuf[24] * 256) + wbuf[25]);
DBG (5, "length=%d\n", (wbuf[26] * 256 * 256 * 256)
+ (wbuf[27] * 256 * 256) + (wbuf[28] * 256) + wbuf[29]);
#if 1
DBG (3, "sane_start: sending DEFINE SCAN MODE for transparency unit, NP=%d, Negative film type=%d\n", !s->RIF, s->negative_filmtype);
memset (wbuf, 0, sizeof (wbuf));
wbuf[0] = 0x02;
wbuf[1] = 6;
wbuf[2] = 0x80;
wbuf[3] = 0x05;
wbuf[4] = 39;
wbuf[5] = 16;
wbuf[6] = !s->RIF;
wbuf[7] = s->negative_filmtype;
status = define_scan_mode (s->fd, TRANSPARENCY_UNIT, wbuf);
if (status != SANE_STATUS_GOOD)
{
DBG (1, "define scan mode failed: %s\n", sane_strstatus (status));
return (status);
}
#endif
#if 1
DBG (3, "sane_start: sending DEFINE SCAN MODE for scan control conditions\n");
memset (wbuf, 0, sizeof (wbuf));
wbuf[0] = 0x20;
wbuf[1] = 14;
wbuf[11] = s->scanning_speed;
status = define_scan_mode (s->fd, SCAN_CONTROL_CONDITIONS, wbuf);
if (status != SANE_STATUS_GOOD)
{
DBG (1, "define scan mode failed: %s\n", sane_strstatus (status));
return (status);
}
DBG (3, "sane_start: sending GET SCAN MODE for scan control conditions\n");
memset (ebuf, 0, sizeof (ebuf));
buf_size = sizeof (ebuf);
status = get_scan_mode (s->fd, SCAN_CONTROL_CONDITIONS, ebuf, &buf_size);
if (status != SANE_STATUS_GOOD)
{
DBG (1, "sane_start: GET SCAN MODE for scan control conditions failed\n");
sanei_scsi_close (s->fd);
return (SANE_STATUS_INVAL);
}
for (i=0; i<buf_size; i++)
{
DBG(3, "scan mode byte[%d] = %d\n", i, ebuf[i]);
}
#endif
status = scan (s->fd);
if (status != SANE_STATUS_GOOD)
{
DBG (1, "start of scan failed: %s\n", sane_strstatus (status));
return (status);
}
buf_size = sizeof (dbuf);
memset (dbuf, 0, buf_size);
status = get_data_status (s->fd, dbuf, &buf_size);
if (status != SANE_STATUS_GOOD)
{
DBG (1, "GET DATA STATUS failed: %s\n", sane_strstatus (status));
return (status);
}
DBG (5, "Magnified Width=%d\n", (dbuf[12] * 256 * 256 * 256)
+ (dbuf[13] * 256 * 256) + (dbuf[14] * 256) + dbuf[15]);
DBG (5, "Magnified Length=%d\n", (dbuf[16] * 256 * 256 * 256)
+ (dbuf[17] * 256 * 256) + (dbuf[18] * 256) + dbuf[19]);
DBG (5, "Data=%d bytes\n", (dbuf[20] * 256 * 256 * 256)
+ (dbuf[21] * 256 * 256) + (dbuf[22] * 256) + dbuf[23]);
s->bytes_to_read = s->params.bytes_per_line * s->params.lines;
DBG (1, "%d pixels per line, %d bytes, %d lines high, total %lu bytes, "
"dpi=%d\n", s->params.pixels_per_line, s->params.bytes_per_line,
s->params.lines, (u_long) s->bytes_to_read, s->val[OPT_X_RESOLUTION].w);
s->scanning = SANE_TRUE;
DBG (1, "<< sane_start\n");
return (SANE_STATUS_GOOD);
}
/**************************************************************************/
SANE_Status
sane_read (SANE_Handle handle, SANE_Byte * buf, SANE_Int max_len,
SANE_Int * len)
{
CANON_Scanner *s = handle;
SANE_Status status;
size_t nread;
DBG (21, ">> sane_read\n");
*len = 0;
DBG(21, " sane_read: nread=%d, bytes_to_read=%d\n", nread, s->bytes_to_read);
if (s->bytes_to_read == 0)
{
do_cancel (s);
return (SANE_STATUS_EOF);
}
if (!s->scanning)
return (do_cancel (s));
nread = max_len;
if (nread > s->bytes_to_read)
nread = s->bytes_to_read;
status = read_data (s->fd, buf, &nread);
if (status != SANE_STATUS_GOOD)
{
do_cancel (s);
return (SANE_STATUS_IO_ERROR);
}
*len = nread;
s->bytes_to_read -= nread;
DBG(21, " sane_read: nread=%d, bytes_to_read=%d\n", nread, s->bytes_to_read);
DBG (21, "<< sane_read\n");
return (SANE_STATUS_GOOD);
}
/**************************************************************************/
void
sane_cancel (SANE_Handle handle)
{
CANON_Scanner *s = handle;
DBG (1, ">> sane_cancel\n");
s->scanning = SANE_FALSE;
DBG (1, "<< sane_cancel\n");
}
/**************************************************************************/
SANE_Status
sane_set_io_mode (SANE_Handle handle, SANE_Bool non_blocking)
{
DBG (1, ">> sane_set_io_mode\n");
DBG (1, "<< sane_set_io_mode\n");
return SANE_STATUS_UNSUPPORTED;
}
/**************************************************************************/
SANE_Status
sane_get_select_fd (SANE_Handle handle, SANE_Int * fd)
{
DBG (1, ">> sane_get_select_fd\n");
DBG (1, "<< sane_get_select_fd\n");
return SANE_STATUS_UNSUPPORTED;
}
/**************************************************************************/