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authorJörg Frings-Fürst <debian@jff-webhosting.net>2014-10-06 14:00:40 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2014-10-06 14:00:40 +0200
commit6e9c41a892ed0e0da326e0278b3221ce3f5713b8 (patch)
tree2e301d871bbeeb44aa57ff9cc070fcf3be484487 /backend/umax_pp.c
Initial import of sane-backends version 1.0.24-1.2
Diffstat (limited to 'backend/umax_pp.c')
-rw-r--r--backend/umax_pp.c2404
1 files changed, 2404 insertions, 0 deletions
diff --git a/backend/umax_pp.c b/backend/umax_pp.c
new file mode 100644
index 0000000..90cd486
--- /dev/null
+++ b/backend/umax_pp.c
@@ -0,0 +1,2404 @@
+/* sane - Scanner Access Now Easy.
+ Copyright (C) 2001-2012 Stéphane Voltz <stef.dev@free.fr>
+ 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, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA.
+
+ 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.
+
+ This file implements a SANE backend for Umax PP flatbed scanners. */
+
+/* CREDITS:
+ Started by being a mere copy of mustek_pp
+ by Jochen Eisinger <jochen.eisinger@gmx.net>
+ then evolved in its own thing
+
+ support for the 610P has been made possible thank to an hardware donation
+ from William Stuart
+ */
+
+
+#include "../include/sane/config.h"
+
+#include <ctype.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <math.h>
+
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#define DEBUG_NOT_STATIC
+
+#include "../include/sane/sane.h"
+#include "../include/sane/sanei.h"
+#include "../include/sane/saneopts.h"
+#include "../include/sane/sanei_config.h"
+
+#define BACKEND_NAME umax_pp
+#include "../include/sane/sanei_backend.h"
+
+#include "umax_pp_mid.h"
+#include "umax_pp.h"
+
+#ifdef DMALLOC
+#include "dmalloc.h"
+#endif
+
+#define UMAX_PP_CONFIG_FILE "umax_pp.conf"
+
+#define MIN(a,b) ((a) < (b) ? (a) : (b))
+
+
+/* DEBUG
+ * for debug output, set SANE_DEBUG_UMAX_PP to
+ * 0 for nothing
+ * 1 for errors
+ * 2 for warnings
+ * 3 for additional information
+ * 4 for debug information
+ * 5 for code flow protocol (there isn't any)
+ * 129 if you want to know which parameters are unused
+ */
+
+/* history:
+ * see Changelog
+ */
+
+#define UMAX_PP_BUILD 2301
+#define UMAX_PP_STATE "release"
+
+static int num_devices = 0;
+static Umax_PP_Descriptor *devlist = NULL;
+static const SANE_Device **devarray = NULL;
+
+static Umax_PP_Device *first_dev = NULL;
+
+
+/* 2 Meg scan buffer */
+static SANE_Word buf_size = 2048 * 1024;
+
+static SANE_Word red_gain = 0;
+static SANE_Word green_gain = 0;
+static SANE_Word blue_gain = 0;
+
+static SANE_Word red_offset = 0;
+static SANE_Word green_offset = 0;
+static SANE_Word blue_offset = 0;
+static SANE_Char scanner_vendor[128]="";
+static SANE_Char scanner_name[128]="";
+static SANE_Char scanner_model[128]="";
+static SANE_Char astra[128];
+
+
+
+static const SANE_String_Const mode_list[] = {
+ SANE_VALUE_SCAN_MODE_LINEART,
+ SANE_VALUE_SCAN_MODE_GRAY,
+ SANE_VALUE_SCAN_MODE_COLOR,
+ 0
+};
+
+static const SANE_Range u4_range = {
+ 0, /* minimum */
+ 15, /* maximum */
+ 0 /* quantization */
+};
+
+static const SANE_Range u8_range = {
+ 0, /* minimum */
+ 255, /* maximum */
+ 0 /* quantization */
+};
+
+/* range for int value in [0-15] */
+static const SANE_Range value16_range = {
+ 0, /* minimum */
+ 15, /* maximum */
+ 1 /* quantization */
+};
+
+/* range for buffer size */
+static const SANE_Range buffer_range = {
+ 2048, /* minimum */
+ 4096 * 4096, /* maximum */
+ 1 /* quantization */
+};
+
+/* list of astra models */
+static const SANE_String_Const astra_models[] =
+ { "610", "1220", "1600", "2000", NULL };
+
+
+#define UMAX_PP_CHANNEL_RED 0
+#define UMAX_PP_CHANNEL_GREEN 1
+#define UMAX_PP_CHANNEL_BLUE 2
+#define UMAX_PP_CHANNEL_GRAY 1
+
+#define UMAX_PP_STATE_SCANNING 2
+#define UMAX_PP_STATE_CANCELLED 1
+#define UMAX_PP_STATE_IDLE 0
+
+#define UMAX_PP_MODE_LINEART 0
+#define UMAX_PP_MODE_GRAYSCALE 1
+#define UMAX_PP_MODE_COLOR 2
+
+#define MM_TO_PIXEL(mm, res) (SANE_UNFIX(mm) * (float )res / MM_PER_INCH)
+#define PIXEL_TO_MM(px, res) (SANE_FIX((float )(px * MM_PER_INCH / (res / 10)) / 10.0))
+
+#define UMAX_PP_DEFAULT_PORT "/dev/parport0"
+
+#define UMAX_PP_RESERVE 259200
+
+/*
+ * devname may be either an hardware address for direct I/O (0x378 for instance)
+ * or the device name used by ppdev on linux systems (/dev/parport0 )
+ */
+
+
+static SANE_Status
+umax_pp_attach (SANEI_Config * config, const char *devname)
+{
+ Umax_PP_Descriptor *dev;
+ int i;
+ SANE_Status status = SANE_STATUS_GOOD;
+ int ret, prt = 0, mdl;
+ char model[32];
+ char name[64];
+ char *val;
+
+ memset (name, 0, 64);
+
+ if ((strlen (devname) < 3))
+ return SANE_STATUS_INVAL;
+
+ sanei_umax_pp_setastra (atoi((SANE_Char *) config->values[CFG_ASTRA]));
+
+ /* if the name begins with a slash, it's a device, else it's an addr */
+ if (devname != NULL)
+ {
+ if ((devname[0] == '/'))
+ {
+ strncpy (name, devname, 64);
+ }
+ else
+ {
+ if ((devname[0] == '0')
+ && ((devname[1] == 'x') || (devname[1] == 'X')))
+ prt = strtol (devname + 2, NULL, 16);
+ else
+ prt = atoi (devname);
+ }
+ }
+
+
+ for (i = 0; i < num_devices; i++)
+ {
+ if (devname[0] == '/')
+ {
+ if (strcmp (devlist[i].ppdevice, devname) == 0)
+ return SANE_STATUS_GOOD;
+ }
+ else
+ {
+ if (strcmp (devlist[i].port, devname) == 0)
+ return SANE_STATUS_GOOD;
+ }
+ }
+
+ ret = sanei_umax_pp_attach (prt, name);
+ switch (ret)
+ {
+ case UMAX1220P_OK:
+ status = SANE_STATUS_GOOD;
+ break;
+ case UMAX1220P_BUSY:
+ status = SANE_STATUS_DEVICE_BUSY;
+ break;
+ case UMAX1220P_TRANSPORT_FAILED:
+ DBG (1, "umax_pp_attach: failed to init transport layer on %s\n",
+ devname);
+ status = SANE_STATUS_IO_ERROR;
+ break;
+ case UMAX1220P_PROBE_FAILED:
+ DBG (1, "umax_pp_attach: failed to probe scanner on %s\n", devname);
+ status = SANE_STATUS_IO_ERROR;
+ break;
+ }
+
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (2, "umax_pp_attach: couldn't attach to `%s' (%s)\n", devname,
+ sane_strstatus (status));
+ DEBUG ();
+ return status;
+ }
+
+
+ /* now look for the model */
+ do
+ {
+ ret = sanei_umax_pp_model (prt, &mdl);
+ if (ret != UMAX1220P_OK)
+ {
+ DBG (1, "umax_pp_attach: waiting for busy scanner on %s\n",
+ devname);
+ }
+ }
+ while (ret == UMAX1220P_BUSY);
+
+ if (ret != UMAX1220P_OK)
+ {
+ DBG (1, "umax_pp_attach: failed to recognize scanner model on %s\n",
+ devname);
+ return SANE_STATUS_IO_ERROR;
+ }
+ sprintf (model, "Astra %dP", mdl);
+
+
+ dev = malloc (sizeof (Umax_PP_Descriptor) * (num_devices + 1));
+
+ if (dev == NULL)
+ {
+ DBG (2, "umax_pp_attach: not enough memory for device descriptor\n");
+ DEBUG ();
+ return SANE_STATUS_NO_MEM;
+ }
+
+ memset (dev, 0, sizeof (Umax_PP_Descriptor) * (num_devices + 1));
+
+ if (num_devices > 0)
+ {
+ memcpy (dev + 1, devlist, sizeof (Umax_PP_Descriptor) * (num_devices));
+ free (devlist);
+ }
+
+ devlist = dev;
+ num_devices++;
+
+ /* if there are user provided values, use them */
+ val=(SANE_Char *) config->values[CFG_NAME];
+ if(strlen(val)==0)
+ dev->sane.name = strdup (devname);
+ else
+ dev->sane.name = strdup (val);
+ val=(SANE_Char *) config->values[CFG_VENDOR];
+ if(strlen(val)==0)
+ dev->sane.vendor = strdup ("UMAX");
+ else
+ dev->sane.vendor = strdup (val);
+ dev->sane.type = "flatbed scanner";
+
+ if (devname[0] == '/')
+ dev->ppdevice = strdup (devname);
+ else
+ dev->port = strdup (devname);
+ dev->buf_size = buf_size;
+
+ if (mdl > 610)
+ { /* Astra 1220, 1600 and 2000 */
+ dev->max_res = 1200;
+ dev->ccd_res = 600;
+ dev->max_h_size = 5100;
+ dev->max_v_size = 7000 - 8; /* -8: workaround 'y overflow bug at 600 dpi' */
+ }
+ else
+ { /* Astra 610 */
+ dev->max_res = 600;
+ dev->ccd_res = 300;
+ dev->max_h_size = 2550;
+ dev->max_v_size = 3500;
+ }
+ val=(SANE_Char *) config->values[CFG_MODEL];
+ if(strlen(val)==0)
+ dev->sane.model = strdup (model);
+ else
+ dev->sane.model = strdup (val);
+
+
+ DBG (3, "umax_pp_attach: device %s attached\n", devname);
+
+ return SANE_STATUS_GOOD;
+}
+
+/*
+ * walk a port list and try to attach to them
+ *
+ */
+static SANE_Int
+umax_pp_try_ports (SANEI_Config * config, char **ports)
+{
+ int i;
+ int rc = SANE_STATUS_INVAL;
+
+ if (ports != NULL)
+ {
+ i = 0;
+ rc = SANE_STATUS_INVAL;
+ while (ports[i] != NULL)
+ {
+ if (rc != SANE_STATUS_GOOD)
+ {
+ DBG (3, "umax_pp_try_ports: trying port `%s'\n", ports[i]);
+ rc = umax_pp_attach (config, ports[i]);
+ if (rc != SANE_STATUS_GOOD)
+ DBG (3, "umax_pp_try_ports: couldn't attach to port `%s'\n",
+ ports[i]);
+ else
+ DBG (3,
+ "umax_pp_try_ports: attach to port `%s' successfull\n",
+ ports[i]);
+ }
+ free (ports[i]);
+ i++;
+ }
+ free (ports);
+ }
+ return rc;
+}
+
+/*
+ * attempt to auto detect right parallel port
+ * if safe set to SANE_TRUE, no direct hardware access
+ * is tried
+ */
+static SANE_Int
+umax_pp_auto_attach (SANEI_Config * config, SANE_Int safe)
+{
+ char **ports;
+ int rc = SANE_STATUS_INVAL;
+
+ /* safe tests: user parallel port devices */
+ ports = sanei_parport_find_device ();
+ if (ports != NULL)
+ rc = umax_pp_try_ports (config, ports);
+
+ /* try for direct hardware access */
+ if ((safe != SANE_TRUE) && (rc != SANE_STATUS_GOOD))
+ {
+ ports = sanei_parport_find_port ();
+ if (ports != NULL)
+ rc = umax_pp_try_ports (config, ports);
+ }
+ return rc;
+}
+
+/** callback use by sanei_configure_attach, it is called with the
+ * device name to use for attach try.
+ */
+static SANE_Status
+umax_pp_configure_attach (SANEI_Config * config, const char *devname)
+{
+ const char *lp;
+ SANE_Char *token;
+ SANE_Status status = SANE_STATUS_INVAL;
+
+ /* check for mandatory 'port' token */
+ lp = sanei_config_get_string (devname, &token);
+ if (strncmp (token, "port", 4) != 0)
+ {
+ DBG (3, "umax_pp_configure_attach: invalid port line `%s'\n", devname);
+ free (token);
+ return SANE_STATUS_INVAL;
+ }
+ free (token);
+
+ /* get argument */
+ lp = sanei_config_get_string (lp, &token);
+
+ /* if "safe-auto" or "auto" devname, use umax_pp_attach_auto */
+ if (strncmp (token, "safe-auto", 9) == 0)
+ {
+ status = umax_pp_auto_attach (config, SANE_TRUE);
+ }
+ else if (strncmp (token, "auto", 4) == 0)
+ {
+ status = umax_pp_auto_attach (config, SANE_FALSE);
+ }
+ else
+ {
+ status = umax_pp_attach (config, token);
+ }
+ free (token);
+ return status;
+}
+
+static SANE_Int
+umax_pp_get_sync (SANE_Int dpi)
+{
+ /* delta between color frames */
+ if (sanei_umax_pp_getastra () > 610)
+ {
+ switch (dpi)
+ {
+ case 1200:
+ return 8;
+ case 600:
+ return 4;
+ case 300:
+ return 2;
+ case 150:
+ return 1;
+ default:
+ return 0;
+ }
+ }
+ else
+ {
+ switch (dpi)
+ {
+ case 600:
+ return 16;
+ case 300:
+ return 8; /* 8 double-checked */
+ case 150:
+ /* wrong: 2, 3, 5
+ * double-checked : 4
+ */
+ return 4;
+ default:
+ return 2; /* 2 double-checked */
+ }
+ }
+}
+
+
+static SANE_Status
+init_options (Umax_PP_Device * dev)
+{
+ int i;
+
+ /* sets initial option value to zero */
+ memset (dev->opt, 0, sizeof (dev->opt));
+ memset (dev->val, 0, sizeof (dev->val));
+
+ for (i = 0; i < NUM_OPTIONS; ++i)
+ {
+ dev->opt[i].size = sizeof (SANE_Word);
+ dev->opt[i].cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT;
+ }
+
+ dev->opt[OPT_NUM_OPTS].name = SANE_NAME_NUM_OPTIONS;
+ dev->opt[OPT_NUM_OPTS].title = SANE_TITLE_NUM_OPTIONS;
+ dev->opt[OPT_NUM_OPTS].desc = SANE_DESC_NUM_OPTIONS;
+ dev->opt[OPT_NUM_OPTS].type = SANE_TYPE_INT;
+ dev->opt[OPT_NUM_OPTS].cap = SANE_CAP_SOFT_DETECT;
+ dev->val[OPT_NUM_OPTS].w = NUM_OPTIONS;
+
+ /* "Mode" group: */
+
+ dev->opt[OPT_MODE_GROUP].title = SANE_TITLE_SCAN_MODE;
+ dev->opt[OPT_MODE_GROUP].name = "";
+ dev->opt[OPT_MODE_GROUP].desc = "";
+ dev->opt[OPT_MODE_GROUP].type = SANE_TYPE_GROUP;
+ dev->opt[OPT_MODE_GROUP].size = 0;
+ dev->opt[OPT_MODE_GROUP].constraint_type = SANE_CONSTRAINT_NONE;
+
+ /* scan mode */
+ dev->opt[OPT_MODE].name = SANE_NAME_SCAN_MODE;
+ dev->opt[OPT_MODE].title = SANE_TITLE_SCAN_MODE;
+ dev->opt[OPT_MODE].desc = SANE_DESC_SCAN_MODE;
+ dev->opt[OPT_MODE].type = SANE_TYPE_STRING;
+ dev->opt[OPT_MODE].constraint_type = SANE_CONSTRAINT_STRING_LIST;
+ dev->opt[OPT_MODE].size = 10;
+ dev->opt[OPT_MODE].constraint.string_list = mode_list;
+ dev->val[OPT_MODE].s = strdup (mode_list[1]);
+
+ /* resolution */
+ dev->opt[OPT_RESOLUTION].name = SANE_NAME_SCAN_RESOLUTION;
+ dev->opt[OPT_RESOLUTION].title = SANE_TITLE_SCAN_RESOLUTION;
+ dev->opt[OPT_RESOLUTION].desc = SANE_DESC_SCAN_RESOLUTION;
+ dev->opt[OPT_RESOLUTION].type = SANE_TYPE_FIXED;
+ dev->opt[OPT_RESOLUTION].unit = SANE_UNIT_DPI;
+ dev->opt[OPT_RESOLUTION].constraint_type = SANE_CONSTRAINT_RANGE;
+ dev->opt[OPT_RESOLUTION].constraint.range = &dev->dpi_range;
+ dev->val[OPT_RESOLUTION].w = dev->dpi_range.min;
+
+
+ /* preview */
+ dev->opt[OPT_PREVIEW].name = SANE_NAME_PREVIEW;
+ dev->opt[OPT_PREVIEW].title = SANE_TITLE_PREVIEW;
+ dev->opt[OPT_PREVIEW].desc = SANE_DESC_PREVIEW;
+ dev->opt[OPT_PREVIEW].type = SANE_TYPE_BOOL;
+ dev->opt[OPT_PREVIEW].size = sizeof (SANE_Word);
+ dev->opt[OPT_PREVIEW].unit = SANE_UNIT_NONE;
+ dev->val[OPT_PREVIEW].w = SANE_FALSE;
+
+ /* gray preview */
+ dev->opt[OPT_GRAY_PREVIEW].name = SANE_NAME_GRAY_PREVIEW;
+ dev->opt[OPT_GRAY_PREVIEW].title = SANE_TITLE_GRAY_PREVIEW;
+ dev->opt[OPT_GRAY_PREVIEW].desc = SANE_DESC_GRAY_PREVIEW;
+ dev->opt[OPT_GRAY_PREVIEW].type = SANE_TYPE_BOOL;
+ dev->opt[OPT_GRAY_PREVIEW].size = sizeof (SANE_Word);
+ dev->opt[OPT_GRAY_PREVIEW].unit = SANE_UNIT_NONE;
+ dev->val[OPT_GRAY_PREVIEW].w = SANE_FALSE;
+
+ /* "Geometry" group: */
+
+ dev->opt[OPT_GEOMETRY_GROUP].title = SANE_I18N ("Geometry");
+ dev->opt[OPT_GEOMETRY_GROUP].desc = "";
+ dev->opt[OPT_GEOMETRY_GROUP].name = "";
+ dev->opt[OPT_GEOMETRY_GROUP].type = SANE_TYPE_GROUP;
+ dev->opt[OPT_GEOMETRY_GROUP].size = 0;
+ dev->opt[OPT_GEOMETRY_GROUP].constraint_type = SANE_CONSTRAINT_NONE;
+
+ /* top-left x */
+ dev->opt[OPT_TL_X].name = SANE_NAME_SCAN_TL_X;
+ dev->opt[OPT_TL_X].title = SANE_TITLE_SCAN_TL_X;
+ dev->opt[OPT_TL_X].desc = SANE_DESC_SCAN_TL_X;
+ dev->opt[OPT_TL_X].type = SANE_TYPE_INT;
+ dev->opt[OPT_TL_X].unit = SANE_UNIT_PIXEL;
+ dev->opt[OPT_TL_X].constraint_type = SANE_CONSTRAINT_RANGE;
+ dev->opt[OPT_TL_X].constraint.range = &dev->x_range;
+ dev->val[OPT_TL_X].w = 0;
+
+ /* top-left y */
+ dev->opt[OPT_TL_Y].name = SANE_NAME_SCAN_TL_Y;
+ dev->opt[OPT_TL_Y].title = SANE_TITLE_SCAN_TL_Y;
+ dev->opt[OPT_TL_Y].desc = SANE_DESC_SCAN_TL_Y;
+ dev->opt[OPT_TL_Y].type = SANE_TYPE_INT;
+ dev->opt[OPT_TL_Y].unit = SANE_UNIT_PIXEL;
+ dev->opt[OPT_TL_Y].constraint_type = SANE_CONSTRAINT_RANGE;
+ dev->opt[OPT_TL_Y].constraint.range = &dev->y_range;
+ dev->val[OPT_TL_Y].w = 0;
+
+ /* bottom-right x */
+ dev->opt[OPT_BR_X].name = SANE_NAME_SCAN_BR_X;
+ dev->opt[OPT_BR_X].title = SANE_TITLE_SCAN_BR_X;
+ dev->opt[OPT_BR_X].desc = SANE_DESC_SCAN_BR_X;
+ dev->opt[OPT_BR_X].type = SANE_TYPE_INT;
+ dev->opt[OPT_BR_X].unit = SANE_UNIT_PIXEL;
+ dev->opt[OPT_BR_X].constraint_type = SANE_CONSTRAINT_RANGE;
+ dev->opt[OPT_BR_X].constraint.range = &dev->x_range;
+ dev->val[OPT_BR_X].w = dev->x_range.max;
+
+ /* bottom-right y */
+ dev->opt[OPT_BR_Y].name = SANE_NAME_SCAN_BR_Y;
+ dev->opt[OPT_BR_Y].title = SANE_TITLE_SCAN_BR_Y;
+ dev->opt[OPT_BR_Y].desc = SANE_DESC_SCAN_BR_Y;
+ dev->opt[OPT_BR_Y].type = SANE_TYPE_INT;
+ dev->opt[OPT_BR_Y].unit = SANE_UNIT_PIXEL;
+ dev->opt[OPT_BR_Y].constraint_type = SANE_CONSTRAINT_RANGE;
+ dev->opt[OPT_BR_Y].constraint.range = &dev->y_range;
+ dev->val[OPT_BR_Y].w = dev->y_range.max;
+
+ /* "Enhancement" group: */
+
+ dev->opt[OPT_ENHANCEMENT_GROUP].title = SANE_I18N ("Enhancement");
+ dev->opt[OPT_ENHANCEMENT_GROUP].desc = "";
+ dev->opt[OPT_ENHANCEMENT_GROUP].name = "";
+ dev->opt[OPT_ENHANCEMENT_GROUP].type = SANE_TYPE_GROUP;
+ dev->opt[OPT_ENHANCEMENT_GROUP].size = 0;
+ dev->opt[OPT_ENHANCEMENT_GROUP].cap |= SANE_CAP_ADVANCED;
+ dev->opt[OPT_ENHANCEMENT_GROUP].constraint_type = SANE_CONSTRAINT_NONE;
+
+ /* lamp control */
+ dev->opt[OPT_LAMP_CONTROL].name = "lamp-control";
+ dev->opt[OPT_LAMP_CONTROL].title = SANE_I18N ("Lamp on");
+ dev->opt[OPT_LAMP_CONTROL].desc = SANE_I18N ("Sets lamp on/off");
+ dev->opt[OPT_LAMP_CONTROL].type = SANE_TYPE_BOOL;
+ dev->opt[OPT_LAMP_CONTROL].size = sizeof (SANE_Word);
+ dev->opt[OPT_LAMP_CONTROL].unit = SANE_UNIT_NONE;
+ dev->val[OPT_LAMP_CONTROL].w = SANE_TRUE;
+ dev->opt[OPT_LAMP_CONTROL].cap |= SANE_CAP_ADVANCED;
+
+ /* UTA control */
+ dev->opt[OPT_UTA_CONTROL].name = "UTA-control";
+ dev->opt[OPT_UTA_CONTROL].title = SANE_I18N ("UTA on");
+ dev->opt[OPT_UTA_CONTROL].desc = SANE_I18N ("Sets UTA on/off");
+ dev->opt[OPT_UTA_CONTROL].type = SANE_TYPE_BOOL;
+ dev->opt[OPT_UTA_CONTROL].size = sizeof (SANE_Word);
+ dev->opt[OPT_UTA_CONTROL].unit = SANE_UNIT_NONE;
+ dev->val[OPT_UTA_CONTROL].w = SANE_TRUE;
+ dev->opt[OPT_UTA_CONTROL].cap |= SANE_CAP_ADVANCED | SANE_CAP_INACTIVE;
+
+ /* custom-gamma table */
+ dev->opt[OPT_CUSTOM_GAMMA].name = SANE_NAME_CUSTOM_GAMMA;
+ dev->opt[OPT_CUSTOM_GAMMA].title = SANE_TITLE_CUSTOM_GAMMA;
+ dev->opt[OPT_CUSTOM_GAMMA].desc = SANE_DESC_CUSTOM_GAMMA;
+ dev->opt[OPT_CUSTOM_GAMMA].type = SANE_TYPE_BOOL;
+ dev->opt[OPT_CUSTOM_GAMMA].cap |= SANE_CAP_ADVANCED;
+ dev->val[OPT_CUSTOM_GAMMA].w = SANE_FALSE;
+
+ /* grayscale gamma vector */
+ dev->opt[OPT_GAMMA_VECTOR].name = SANE_NAME_GAMMA_VECTOR;
+ dev->opt[OPT_GAMMA_VECTOR].title = SANE_TITLE_GAMMA_VECTOR;
+ dev->opt[OPT_GAMMA_VECTOR].desc = SANE_DESC_GAMMA_VECTOR;
+ dev->opt[OPT_GAMMA_VECTOR].type = SANE_TYPE_INT;
+ dev->opt[OPT_GAMMA_VECTOR].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_GAMMA_VECTOR].unit = SANE_UNIT_NONE;
+ dev->opt[OPT_GAMMA_VECTOR].size = 256 * sizeof (SANE_Word);
+ dev->opt[OPT_GAMMA_VECTOR].constraint_type = SANE_CONSTRAINT_RANGE;
+ dev->opt[OPT_GAMMA_VECTOR].constraint.range = &u8_range;
+ dev->val[OPT_GAMMA_VECTOR].wa = &dev->gamma_table[0][0];
+
+ /* red gamma vector */
+ dev->opt[OPT_GAMMA_VECTOR_R].name = SANE_NAME_GAMMA_VECTOR_R;
+ dev->opt[OPT_GAMMA_VECTOR_R].title = SANE_TITLE_GAMMA_VECTOR_R;
+ dev->opt[OPT_GAMMA_VECTOR_R].desc = SANE_DESC_GAMMA_VECTOR_R;
+ dev->opt[OPT_GAMMA_VECTOR_R].type = SANE_TYPE_INT;
+ dev->opt[OPT_GAMMA_VECTOR_R].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_GAMMA_VECTOR_R].unit = SANE_UNIT_NONE;
+ dev->opt[OPT_GAMMA_VECTOR_R].size = 256 * sizeof (SANE_Word);
+ dev->opt[OPT_GAMMA_VECTOR_R].constraint_type = SANE_CONSTRAINT_RANGE;
+ dev->opt[OPT_GAMMA_VECTOR_R].constraint.range = &u8_range;
+ dev->val[OPT_GAMMA_VECTOR_R].wa = &dev->gamma_table[1][0];
+
+ /* green gamma vector */
+ dev->opt[OPT_GAMMA_VECTOR_G].name = SANE_NAME_GAMMA_VECTOR_G;
+ dev->opt[OPT_GAMMA_VECTOR_G].title = SANE_TITLE_GAMMA_VECTOR_G;
+ dev->opt[OPT_GAMMA_VECTOR_G].desc = SANE_DESC_GAMMA_VECTOR_G;
+ dev->opt[OPT_GAMMA_VECTOR_G].type = SANE_TYPE_INT;
+ dev->opt[OPT_GAMMA_VECTOR_G].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_GAMMA_VECTOR_G].unit = SANE_UNIT_NONE;
+ dev->opt[OPT_GAMMA_VECTOR_G].size = 256 * sizeof (SANE_Word);
+ dev->opt[OPT_GAMMA_VECTOR_G].constraint_type = SANE_CONSTRAINT_RANGE;
+ dev->opt[OPT_GAMMA_VECTOR_G].constraint.range = &u8_range;
+ dev->val[OPT_GAMMA_VECTOR_G].wa = &dev->gamma_table[2][0];
+
+ /* blue gamma vector */
+ dev->opt[OPT_GAMMA_VECTOR_B].name = SANE_NAME_GAMMA_VECTOR_B;
+ dev->opt[OPT_GAMMA_VECTOR_B].title = SANE_TITLE_GAMMA_VECTOR_B;
+ dev->opt[OPT_GAMMA_VECTOR_B].desc = SANE_DESC_GAMMA_VECTOR_B;
+ dev->opt[OPT_GAMMA_VECTOR_B].type = SANE_TYPE_INT;
+ dev->opt[OPT_GAMMA_VECTOR_B].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_GAMMA_VECTOR_B].unit = SANE_UNIT_NONE;
+ dev->opt[OPT_GAMMA_VECTOR_B].size = 256 * sizeof (SANE_Word);
+ dev->opt[OPT_GAMMA_VECTOR_B].constraint_type = SANE_CONSTRAINT_RANGE;
+ dev->opt[OPT_GAMMA_VECTOR_B].constraint.range = &u8_range;
+ dev->val[OPT_GAMMA_VECTOR_B].wa = &dev->gamma_table[3][0];
+
+ /* gain group */
+ dev->opt[OPT_MANUAL_GAIN].name = "manual-channel-gain";
+ dev->opt[OPT_MANUAL_GAIN].title = SANE_I18N ("Gain");
+ dev->opt[OPT_MANUAL_GAIN].desc = SANE_I18N ("Color channels gain settings");
+ dev->opt[OPT_MANUAL_GAIN].type = SANE_TYPE_BOOL;
+ dev->opt[OPT_MANUAL_GAIN].cap |= SANE_CAP_ADVANCED;
+ dev->val[OPT_MANUAL_GAIN].w = SANE_FALSE;
+
+ /* gray gain */
+ dev->opt[OPT_GRAY_GAIN].name = "gray-gain";
+ dev->opt[OPT_GRAY_GAIN].title = SANE_I18N ("Gray gain");
+ dev->opt[OPT_GRAY_GAIN].desc = SANE_I18N ("Sets gray channel gain");
+ dev->opt[OPT_GRAY_GAIN].type = SANE_TYPE_INT;
+ dev->opt[OPT_GRAY_GAIN].cap |= SANE_CAP_INACTIVE | SANE_CAP_ADVANCED;
+ dev->opt[OPT_GRAY_GAIN].unit = SANE_UNIT_NONE;
+ dev->opt[OPT_GRAY_GAIN].size = sizeof (SANE_Int);
+ dev->opt[OPT_GRAY_GAIN].constraint_type = SANE_CONSTRAINT_RANGE;
+ dev->opt[OPT_GRAY_GAIN].constraint.range = &u4_range;
+ dev->val[OPT_GRAY_GAIN].w = dev->gray_gain;
+
+ /* red gain */
+ dev->opt[OPT_RED_GAIN].name = "red-gain";
+ dev->opt[OPT_RED_GAIN].title = SANE_I18N ("Red gain");
+ dev->opt[OPT_RED_GAIN].desc = SANE_I18N ("Sets red channel gain");
+ dev->opt[OPT_RED_GAIN].type = SANE_TYPE_INT;
+ dev->opt[OPT_RED_GAIN].cap |= SANE_CAP_INACTIVE | SANE_CAP_ADVANCED;
+ dev->opt[OPT_RED_GAIN].unit = SANE_UNIT_NONE;
+ dev->opt[OPT_RED_GAIN].size = sizeof (SANE_Int);
+ dev->opt[OPT_RED_GAIN].constraint_type = SANE_CONSTRAINT_RANGE;
+ dev->opt[OPT_RED_GAIN].constraint.range = &u4_range;
+ dev->val[OPT_RED_GAIN].w = dev->red_gain;
+
+ /* green gain */
+ dev->opt[OPT_GREEN_GAIN].name = "green-gain";
+ dev->opt[OPT_GREEN_GAIN].title = SANE_I18N ("Green gain");
+ dev->opt[OPT_GREEN_GAIN].desc = SANE_I18N ("Sets green channel gain");
+ dev->opt[OPT_GREEN_GAIN].type = SANE_TYPE_INT;
+ dev->opt[OPT_GREEN_GAIN].cap |= SANE_CAP_INACTIVE | SANE_CAP_ADVANCED;
+ dev->opt[OPT_GREEN_GAIN].unit = SANE_UNIT_NONE;
+ dev->opt[OPT_GREEN_GAIN].size = sizeof (SANE_Int);
+ dev->opt[OPT_GREEN_GAIN].constraint_type = SANE_CONSTRAINT_RANGE;
+ dev->opt[OPT_GREEN_GAIN].constraint.range = &u4_range;
+ dev->val[OPT_GREEN_GAIN].w = dev->green_gain;
+
+ /* blue gain */
+ dev->opt[OPT_BLUE_GAIN].name = "blue-gain";
+ dev->opt[OPT_BLUE_GAIN].title = SANE_I18N ("Blue gain");
+ dev->opt[OPT_BLUE_GAIN].desc = SANE_I18N ("Sets blue channel gain");
+ dev->opt[OPT_BLUE_GAIN].type = SANE_TYPE_INT;
+ dev->opt[OPT_BLUE_GAIN].cap |= SANE_CAP_INACTIVE | SANE_CAP_ADVANCED;
+ dev->opt[OPT_BLUE_GAIN].unit = SANE_UNIT_NONE;
+ dev->opt[OPT_BLUE_GAIN].size = sizeof (SANE_Int);
+ dev->opt[OPT_BLUE_GAIN].constraint_type = SANE_CONSTRAINT_RANGE;
+ dev->opt[OPT_BLUE_GAIN].constraint.range = &u4_range;
+ dev->val[OPT_BLUE_GAIN].w = dev->blue_gain;
+
+ /* offset group */
+ dev->opt[OPT_MANUAL_OFFSET].name = "manual-offset";
+ dev->opt[OPT_MANUAL_OFFSET].title = SANE_I18N ("Offset");
+ dev->opt[OPT_MANUAL_OFFSET].desc =
+ SANE_I18N ("Color channels offset settings");
+ dev->opt[OPT_MANUAL_OFFSET].type = SANE_TYPE_BOOL;
+ dev->opt[OPT_MANUAL_OFFSET].cap |= SANE_CAP_ADVANCED;
+ dev->val[OPT_MANUAL_OFFSET].w = SANE_FALSE;
+
+ /* gray offset */
+ dev->opt[OPT_GRAY_OFFSET].name = "gray-offset";
+ dev->opt[OPT_GRAY_OFFSET].title = SANE_I18N ("Gray offset");
+ dev->opt[OPT_GRAY_OFFSET].desc = SANE_I18N ("Sets gray channel offset");
+ dev->opt[OPT_GRAY_OFFSET].type = SANE_TYPE_INT;
+ dev->opt[OPT_GRAY_OFFSET].cap |= SANE_CAP_INACTIVE | SANE_CAP_ADVANCED;
+ dev->opt[OPT_GRAY_OFFSET].unit = SANE_UNIT_NONE;
+ dev->opt[OPT_GRAY_OFFSET].size = sizeof (SANE_Int);
+ dev->opt[OPT_GRAY_OFFSET].constraint_type = SANE_CONSTRAINT_RANGE;
+ dev->opt[OPT_GRAY_OFFSET].constraint.range = &u4_range;
+ dev->val[OPT_GRAY_OFFSET].w = dev->gray_offset;
+
+ /* red offset */
+ dev->opt[OPT_RED_OFFSET].name = "red-offset";
+ dev->opt[OPT_RED_OFFSET].title = SANE_I18N ("Red offset");
+ dev->opt[OPT_RED_OFFSET].desc = SANE_I18N ("Sets red channel offset");
+ dev->opt[OPT_RED_OFFSET].type = SANE_TYPE_INT;
+ dev->opt[OPT_RED_OFFSET].cap |= SANE_CAP_INACTIVE | SANE_CAP_ADVANCED;
+ dev->opt[OPT_RED_OFFSET].unit = SANE_UNIT_NONE;
+ dev->opt[OPT_RED_OFFSET].size = sizeof (SANE_Int);
+ dev->opt[OPT_RED_OFFSET].constraint_type = SANE_CONSTRAINT_RANGE;
+ dev->opt[OPT_RED_OFFSET].constraint.range = &u4_range;
+ dev->val[OPT_RED_OFFSET].w = dev->red_offset;
+
+ /* green offset */
+ dev->opt[OPT_GREEN_OFFSET].name = "green-offset";
+ dev->opt[OPT_GREEN_OFFSET].title = SANE_I18N ("Green offset");
+ dev->opt[OPT_GREEN_OFFSET].desc = SANE_I18N ("Sets green channel offset");
+ dev->opt[OPT_GREEN_OFFSET].type = SANE_TYPE_INT;
+ dev->opt[OPT_GREEN_OFFSET].cap |= SANE_CAP_INACTIVE | SANE_CAP_ADVANCED;
+ dev->opt[OPT_GREEN_OFFSET].unit = SANE_UNIT_NONE;
+ dev->opt[OPT_GREEN_OFFSET].size = sizeof (SANE_Int);
+ dev->opt[OPT_GREEN_OFFSET].constraint_type = SANE_CONSTRAINT_RANGE;
+ dev->opt[OPT_GREEN_OFFSET].constraint.range = &u4_range;
+ dev->val[OPT_GREEN_OFFSET].w = dev->green_offset;
+
+ /* blue offset */
+ dev->opt[OPT_BLUE_OFFSET].name = "blue-offset";
+ dev->opt[OPT_BLUE_OFFSET].title = SANE_I18N ("Blue offset");
+ dev->opt[OPT_BLUE_OFFSET].desc = SANE_I18N ("Sets blue channel offset");
+ dev->opt[OPT_BLUE_OFFSET].type = SANE_TYPE_INT;
+ dev->opt[OPT_BLUE_OFFSET].cap |= SANE_CAP_INACTIVE | SANE_CAP_ADVANCED;
+ dev->opt[OPT_BLUE_OFFSET].unit = SANE_UNIT_NONE;
+ dev->opt[OPT_BLUE_OFFSET].size = sizeof (SANE_Int);
+ dev->opt[OPT_BLUE_OFFSET].constraint_type = SANE_CONSTRAINT_RANGE;
+ dev->opt[OPT_BLUE_OFFSET].constraint.range = &u4_range;
+ dev->val[OPT_BLUE_OFFSET].w = dev->blue_offset;
+
+ return SANE_STATUS_GOOD;
+}
+
+
+SANE_Status
+sane_init (SANE_Int * version_code, SANE_Auth_Callback authorize)
+{
+ SANE_Status status;
+ SANEI_Config config;
+ SANE_Option_Descriptor *options[NUM_CFG_OPTIONS];
+ void *values[NUM_CFG_OPTIONS];
+ int i = 0;
+
+ DBG_INIT ();
+
+ if (authorize != NULL)
+ {
+ DBG (2, "init: SANE_Auth_Callback not supported ...\n");
+ }
+
+ if (version_code != NULL)
+ *version_code = SANE_VERSION_CODE (SANE_CURRENT_MAJOR, V_MINOR, UMAX_PP_BUILD);
+
+ DBG (3, "init: SANE v%s, backend v%d.%d.%d-%s\n", VERSION, SANE_CURRENT_MAJOR, V_MINOR,
+ UMAX_PP_BUILD, UMAX_PP_STATE);
+
+ /* set up configuration options to parse */
+ options[CFG_BUFFER] =
+ (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+ options[CFG_BUFFER]->name = "buffer";
+ options[CFG_BUFFER]->type = SANE_TYPE_INT;
+ options[CFG_BUFFER]->unit = SANE_UNIT_NONE;
+ options[CFG_BUFFER]->size = sizeof (SANE_Word);
+ options[CFG_BUFFER]->cap = SANE_CAP_SOFT_SELECT;
+ options[CFG_BUFFER]->constraint_type = SANE_CONSTRAINT_RANGE;
+ options[CFG_BUFFER]->constraint.range = &buffer_range;
+ values[CFG_BUFFER] = &buf_size;
+
+ options[CFG_RED_GAIN] =
+ (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+ options[CFG_RED_GAIN]->name = "red-gain";
+ options[CFG_RED_GAIN]->type = SANE_TYPE_INT;
+ options[CFG_RED_GAIN]->unit = SANE_UNIT_NONE;
+ options[CFG_RED_GAIN]->size = sizeof (SANE_Word);
+ options[CFG_RED_GAIN]->cap = SANE_CAP_SOFT_SELECT;
+ options[CFG_RED_GAIN]->constraint_type = SANE_CONSTRAINT_RANGE;
+ options[CFG_RED_GAIN]->constraint.range = &value16_range;
+ values[CFG_RED_GAIN] = &red_gain;
+
+ options[CFG_GREEN_GAIN] =
+ (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+ options[CFG_GREEN_GAIN]->name = "green-gain";
+ options[CFG_GREEN_GAIN]->type = SANE_TYPE_INT;
+ options[CFG_GREEN_GAIN]->unit = SANE_UNIT_NONE;
+ options[CFG_GREEN_GAIN]->size = sizeof (SANE_Word);
+ options[CFG_GREEN_GAIN]->cap = SANE_CAP_SOFT_SELECT;
+ options[CFG_GREEN_GAIN]->constraint_type = SANE_CONSTRAINT_RANGE;
+ options[CFG_GREEN_GAIN]->constraint.range = &value16_range;
+ values[CFG_GREEN_GAIN] = &green_gain;
+
+ options[CFG_BLUE_GAIN] =
+ (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+ options[CFG_BLUE_GAIN]->name = "blue-gain";
+ options[CFG_BLUE_GAIN]->type = SANE_TYPE_INT;
+ options[CFG_BLUE_GAIN]->unit = SANE_UNIT_NONE;
+ options[CFG_BLUE_GAIN]->size = sizeof (SANE_Word);
+ options[CFG_BLUE_GAIN]->cap = SANE_CAP_SOFT_SELECT;
+ options[CFG_BLUE_GAIN]->constraint_type = SANE_CONSTRAINT_RANGE;
+ options[CFG_BLUE_GAIN]->constraint.range = &value16_range;
+ values[CFG_BLUE_GAIN] = &blue_gain;
+
+ options[CFG_RED_OFFSET] =
+ (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+ options[CFG_RED_OFFSET]->name = "red-offset";
+ options[CFG_RED_OFFSET]->type = SANE_TYPE_INT;
+ options[CFG_RED_OFFSET]->unit = SANE_UNIT_NONE;
+ options[CFG_RED_OFFSET]->size = sizeof (SANE_Word);
+ options[CFG_RED_OFFSET]->cap = SANE_CAP_SOFT_SELECT;
+ options[CFG_RED_OFFSET]->constraint_type = SANE_CONSTRAINT_RANGE;
+ options[CFG_RED_OFFSET]->constraint.range = &value16_range;
+ values[CFG_RED_OFFSET] = &red_offset;
+
+ options[CFG_GREEN_OFFSET] =
+ (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+ options[CFG_GREEN_OFFSET]->name = "green-offset";
+ options[CFG_GREEN_OFFSET]->type = SANE_TYPE_INT;
+ options[CFG_GREEN_OFFSET]->unit = SANE_UNIT_NONE;
+ options[CFG_GREEN_OFFSET]->size = sizeof (SANE_Word);
+ options[CFG_GREEN_OFFSET]->cap = SANE_CAP_SOFT_SELECT;
+ options[CFG_GREEN_OFFSET]->constraint_type = SANE_CONSTRAINT_RANGE;
+ options[CFG_GREEN_OFFSET]->constraint.range = &value16_range;
+ values[CFG_GREEN_OFFSET] = &green_offset;
+
+ options[CFG_BLUE_OFFSET] =
+ (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+ options[CFG_BLUE_OFFSET]->name = "blue-offset";
+ options[CFG_BLUE_OFFSET]->type = SANE_TYPE_INT;
+ options[CFG_BLUE_OFFSET]->unit = SANE_UNIT_NONE;
+ options[CFG_BLUE_OFFSET]->size = sizeof (SANE_Word);
+ options[CFG_BLUE_OFFSET]->cap = SANE_CAP_SOFT_SELECT;
+ options[CFG_BLUE_OFFSET]->constraint_type = SANE_CONSTRAINT_RANGE;
+ options[CFG_BLUE_OFFSET]->constraint.range = &value16_range;
+ values[CFG_BLUE_OFFSET] = &blue_offset;
+
+ options[CFG_VENDOR] =
+ (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+ options[CFG_VENDOR]->name = "vendor";
+ options[CFG_VENDOR]->type = SANE_TYPE_STRING;
+ options[CFG_VENDOR]->unit = SANE_UNIT_NONE;
+ options[CFG_VENDOR]->size = 128;
+ options[CFG_VENDOR]->cap = SANE_CAP_SOFT_SELECT;
+ values[CFG_VENDOR] = scanner_vendor;
+
+ options[CFG_NAME] =
+ (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+ options[CFG_NAME]->name = "name";
+ options[CFG_NAME]->type = SANE_TYPE_STRING;
+ options[CFG_NAME]->unit = SANE_UNIT_NONE;
+ options[CFG_NAME]->size = 128;
+ options[CFG_NAME]->cap = SANE_CAP_SOFT_SELECT;
+ values[CFG_NAME] = scanner_name;
+
+ options[CFG_MODEL] =
+ (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+ options[CFG_MODEL]->name = "model";
+ options[CFG_MODEL]->type = SANE_TYPE_STRING;
+ options[CFG_MODEL]->unit = SANE_UNIT_NONE;
+ options[CFG_MODEL]->size = 128;
+ options[CFG_MODEL]->cap = SANE_CAP_SOFT_SELECT;
+ values[CFG_MODEL] = scanner_model;
+
+ options[CFG_ASTRA] =
+ (SANE_Option_Descriptor *) malloc (sizeof (SANE_Option_Descriptor));
+ options[CFG_ASTRA]->name = "astra";
+ options[CFG_ASTRA]->type = SANE_TYPE_STRING;
+ options[CFG_ASTRA]->unit = SANE_UNIT_NONE;
+ options[CFG_ASTRA]->size = 128;
+ options[CFG_ASTRA]->cap = SANE_CAP_SOFT_SELECT;
+ options[CFG_ASTRA]->constraint_type = SANE_CONSTRAINT_STRING_LIST;
+ options[CFG_ASTRA]->constraint.string_list = astra_models;
+ values[CFG_ASTRA] = astra;
+
+ config.descriptors = options;
+ config.values = values;
+ config.count = NUM_CFG_OPTIONS;
+
+ /* generic configure and attach function */
+ status = sanei_configure_attach (UMAX_PP_CONFIG_FILE, &config,
+ umax_pp_configure_attach);
+
+ /* free option descriptors */
+ for (i = 0; i < NUM_CFG_OPTIONS; i++)
+ {
+ free (options[i]);
+ }
+
+ return status;
+}
+
+void
+sane_exit (void)
+{
+ int i;
+ Umax_PP_Device *dev;
+
+ DBG (3, "sane_exit: (...)\n");
+ if (first_dev)
+ DBG (3, "exit: closing open devices\n");
+
+ while (first_dev)
+ {
+ dev = first_dev;
+ sane_close (dev);
+ }
+
+ for (i = 0; i < num_devices; i++)
+ {
+ free (devlist[i].port);
+ free (devlist[i].sane.name);
+ free (devlist[i].sane.model);
+ free (devlist[i].sane.vendor);
+ }
+
+ if (devlist != NULL)
+ {
+ free (devlist);
+ devlist = NULL;
+ }
+
+ if (devarray != NULL)
+ {
+ free (devarray);
+ devarray = NULL;
+ }
+
+ /* reset values */
+ num_devices = 0;
+ first_dev = NULL;
+
+ red_gain = 0;
+ green_gain = 0;
+ blue_gain = 0;
+
+ red_offset = 0;
+ green_offset = 0;
+ blue_offset = 0;
+
+}
+
+SANE_Status
+sane_get_devices (const SANE_Device *** device_list, SANE_Bool local_only)
+{
+ int i;
+
+ DBG (3, "get_devices\n");
+ DBG (129, "unused arg: local_only = %d\n", (int) local_only);
+
+ if (devarray != NULL)
+ {
+ free (devarray);
+ devarray = NULL;
+ }
+
+ devarray = malloc ((num_devices + 1) * sizeof (devarray[0]));
+
+ if (devarray == NULL)
+ {
+ DBG (2, "get_devices: not enough memory for device list\n");
+ DEBUG ();
+ return SANE_STATUS_NO_MEM;
+ }
+
+ for (i = 0; i < num_devices; i++)
+ devarray[i] = &devlist[i].sane;
+
+ devarray[num_devices] = NULL;
+ *device_list = devarray;
+
+ return SANE_STATUS_GOOD;
+}
+
+SANE_Status
+sane_open (SANE_String_Const devicename, SANE_Handle * handle)
+{
+ Umax_PP_Device *dev;
+ Umax_PP_Descriptor *desc;
+ int i, j;
+ int rc, prt = 0;
+ char *name = NULL;
+
+ DBG (3, "open: device `%s'\n", devicename);
+
+ /* if no device given or 'umax_pp' default value given */
+ if (devicename == NULL || devicename[0] == 0
+ || strncmp (devicename, "umax_pp", 7) == 0)
+ {
+
+ if (num_devices == 0)
+ {
+ DBG (1, "open: no devices present\n");
+ return SANE_STATUS_INVAL;
+ }
+
+ DBG (3, "open: trying default device %s, port=%s,ppdev=%s\n",
+ devlist[0].sane.name, devlist[0].port, devlist[0].ppdevice);
+ if (devlist[0].port != NULL)
+ {
+ if ((devlist[0].port[0] == '0')
+ && ((devlist[0].port[1] == 'x') || (devlist[0].port[1] == 'X')))
+ prt = strtol (devlist[0].port + 2, NULL, 16);
+ else
+ prt = atoi (devlist[0].port);
+ rc = sanei_umax_pp_open (prt, NULL);
+ }
+ else
+ {
+ rc = sanei_umax_pp_open (0, devlist[0].ppdevice);
+ }
+ desc = &devlist[0];
+ }
+ else /* specific value */
+ {
+ for (i = 0; i < num_devices; i++)
+ if (strcmp (devlist[i].sane.name, devicename) == 0)
+ break;
+
+ if (i >= num_devices)
+ for (i = 0; i < num_devices; i++)
+ if (strcmp (devlist[i].port, devicename) == 0)
+ break;
+
+ if (i >= num_devices)
+ {
+ DBG (2, "open: device doesn't exist\n");
+ DEBUG ();
+ return SANE_STATUS_INVAL;
+ }
+
+ desc = &devlist[i];
+
+ if (devlist[i].ppdevice != NULL)
+ {
+ if (devlist[i].ppdevice[0] == '/')
+ {
+ name = devlist[i].ppdevice;
+ }
+ }
+ else
+ {
+ if ((devlist[i].port[0] == '0')
+ && ((devlist[i].port[1] == 'x') || (devlist[i].port[1] == 'X')))
+ prt = strtol (devlist[i].port + 2, NULL, 16);
+ else
+ prt = atoi (devlist[i].port);
+ DBG (64, "open: devlist[i].port='%s' -> port=0x%X\n",
+ devlist[i].port, prt);
+ }
+ rc = sanei_umax_pp_open (prt, name);
+ }
+
+ /* treat return code from open */
+ switch (rc)
+ {
+ case UMAX1220P_TRANSPORT_FAILED:
+ if (name == NULL)
+ {
+ DBG (1, "failed to init transport layer on port 0x%03X\n", prt);
+ }
+ else
+ {
+ DBG (1, "failed to init transport layer on device %s\n", name);
+ }
+ return SANE_STATUS_IO_ERROR;
+
+ case UMAX1220P_SCANNER_FAILED:
+ if (name == NULL)
+ {
+ DBG (1, "failed to initialize scanner on port 0x%03X\n", prt);
+ }
+ else
+ {
+ DBG (1, "failed to initialize scanner on device %s\n", name);
+ }
+ return SANE_STATUS_IO_ERROR;
+ case UMAX1220P_BUSY:
+ if (name == NULL)
+ {
+ DBG (1, "busy scanner on port 0x%03X\n", prt);
+ }
+ else
+ {
+ DBG (1, "busy scanner on device %s\n", name);
+ }
+ return SANE_STATUS_DEVICE_BUSY;
+ }
+
+
+ dev = (Umax_PP_Device *) malloc (sizeof (*dev));
+
+ if (dev == NULL)
+ {
+ DBG (2, "open: not enough memory for device descriptor\n");
+ DEBUG ();
+ return SANE_STATUS_NO_MEM;
+ }
+
+ memset (dev, 0, sizeof (*dev));
+
+ dev->desc = desc;
+
+ for (i = 0; i < 4; ++i)
+ for (j = 0; j < 256; ++j)
+ dev->gamma_table[i][j] = j;
+
+ /* the extra amount of UMAX_PP_RESERVE bytes is to handle */
+ /* the data needed to resync the color frames */
+ dev->buf = malloc (dev->desc->buf_size + UMAX_PP_RESERVE);
+ dev->bufsize = dev->desc->buf_size;
+
+ dev->dpi_range.min = SANE_FIX (75);
+ dev->dpi_range.max = SANE_FIX (dev->desc->max_res);
+ dev->dpi_range.quant = 0;
+
+ dev->x_range.min = 0;
+ dev->x_range.max = dev->desc->max_h_size;
+ dev->x_range.quant = 0;
+
+ dev->y_range.min = 0;
+ dev->y_range.max = dev->desc->max_v_size;
+ dev->y_range.quant = 0;
+
+ dev->gray_gain = 0;
+
+ /* use pre defined settings read from umax_pp.conf */
+ dev->red_gain = red_gain;
+ dev->green_gain = green_gain;
+ dev->blue_gain = blue_gain;
+ dev->red_offset = red_offset;
+ dev->green_offset = green_offset;
+ dev->blue_offset = blue_offset;
+
+
+ if (dev->buf == NULL)
+ {
+ DBG (2, "open: not enough memory for scan buffer (%lu bytes)\n",
+ (long int) dev->desc->buf_size);
+ DEBUG ();
+ free (dev);
+ return SANE_STATUS_NO_MEM;
+ }
+
+ init_options (dev);
+
+ dev->next = first_dev;
+ first_dev = dev;
+
+
+ if (sanei_umax_pp_UTA () == 1)
+ dev->opt[OPT_UTA_CONTROL].cap &= ~SANE_CAP_INACTIVE;
+
+ *handle = dev;
+
+ DBG (3, "open: success\n");
+
+ return SANE_STATUS_GOOD;
+}
+
+void
+sane_close (SANE_Handle handle)
+{
+ Umax_PP_Device *prev, *dev;
+ int rc;
+
+ DBG (3, "sane_close: ...\n");
+ /* remove handle from list of open handles: */
+ prev = NULL;
+
+ for (dev = first_dev; dev; dev = dev->next)
+ {
+ if (dev == handle)
+ break;
+ prev = dev;
+ }
+
+ if (dev == NULL)
+ {
+ DBG (2, "close: unknown device\n");
+ DEBUG ();
+ return; /* oops, not a handle we know about */
+ }
+
+ if (dev->state == UMAX_PP_STATE_SCANNING)
+ sane_cancel (handle); /* remember: sane_cancel is a macro and
+ expands to sane_umax_pp_cancel ()... */
+
+
+ /* if the scanner is parking head, we wait it to finish */
+ while (dev->state == UMAX_PP_STATE_CANCELLED)
+ {
+ DBG (2, "close: waiting scanner to park head\n");
+ rc = sanei_umax_pp_status ();
+
+ /* check if scanner busy parking */
+ if (rc != UMAX1220P_BUSY)
+ {
+ DBG (2, "close: scanner head parked\n");
+ dev->state = UMAX_PP_STATE_IDLE;
+ }
+ }
+
+ /* then we switch off gain if needed */
+ if (dev->val[OPT_LAMP_CONTROL].w == SANE_TRUE)
+ {
+ rc = sanei_umax_pp_lamp (0);
+ if (rc == UMAX1220P_TRANSPORT_FAILED)
+ {
+ DBG (1, "close: switch off gain failed (ignored....)\n");
+ }
+ }
+
+ sanei_umax_pp_close ();
+
+
+
+ if (prev != NULL)
+ prev->next = dev->next;
+ else
+ first_dev = dev->next;
+
+ free (dev->buf);
+ DBG (3, "close: device closed\n");
+
+ free (handle);
+
+}
+
+const SANE_Option_Descriptor *
+sane_get_option_descriptor (SANE_Handle handle, SANE_Int option)
+{
+ Umax_PP_Device *dev = handle;
+
+ if ((unsigned) option >= NUM_OPTIONS)
+ {
+ DBG (2, "get_option_descriptor: option %d doesn't exist\n", option);
+ DEBUG ();
+ return NULL;
+ }
+
+ DBG (6, "get_option_descriptor: requested option %d (%s)\n",
+ option, dev->opt[option].name);
+
+ return dev->opt + option;
+}
+
+SANE_Status
+sane_control_option (SANE_Handle handle, SANE_Int option,
+ SANE_Action action, void *val, SANE_Int * info)
+{
+ Umax_PP_Device *dev = handle;
+ SANE_Status status;
+ SANE_Word w, cap, tmpw;
+ int dpi, rc;
+
+ DBG (6, "control_option: option %d, action %d\n", option, action);
+
+ if (info)
+ *info = 0;
+
+ if (dev->state == UMAX_PP_STATE_SCANNING)
+ {
+ DBG (2, "control_option: device is scanning\n");
+ return SANE_STATUS_DEVICE_BUSY;
+ }
+
+ if ((unsigned int) option >= NUM_OPTIONS)
+ {
+ DBG (2, "control_option: option doesn't exist\n");
+ return SANE_STATUS_INVAL;
+ }
+
+
+ cap = dev->opt[option].cap;
+
+ if (!SANE_OPTION_IS_ACTIVE (cap))
+ {
+ DBG (2, "control_option: option isn't active\n");
+ return SANE_STATUS_INVAL;
+ }
+
+ DBG (6, "control_option: option <%s>, action ... %d\n",
+ dev->opt[option].name, action);
+
+ if (action == SANE_ACTION_GET_VALUE)
+ {
+ DBG (6, " get value\n");
+ switch (option)
+ {
+ /* word options: */
+ case OPT_PREVIEW:
+ case OPT_GRAY_PREVIEW:
+ case OPT_LAMP_CONTROL:
+ case OPT_UTA_CONTROL:
+ case OPT_RESOLUTION:
+ case OPT_TL_X:
+ case OPT_TL_Y:
+ case OPT_BR_X:
+ case OPT_BR_Y:
+ case OPT_NUM_OPTS:
+ case OPT_CUSTOM_GAMMA:
+ case OPT_MANUAL_GAIN:
+ case OPT_GRAY_GAIN:
+ case OPT_GREEN_GAIN:
+ case OPT_RED_GAIN:
+ case OPT_BLUE_GAIN:
+ case OPT_MANUAL_OFFSET:
+ case OPT_GRAY_OFFSET:
+ case OPT_GREEN_OFFSET:
+ case OPT_RED_OFFSET:
+ case OPT_BLUE_OFFSET:
+
+ *(SANE_Word *) val = dev->val[option].w;
+ return SANE_STATUS_GOOD;
+
+ /* word-array options: */
+ case OPT_GAMMA_VECTOR:
+ case OPT_GAMMA_VECTOR_R:
+ case OPT_GAMMA_VECTOR_G:
+ case OPT_GAMMA_VECTOR_B:
+ memcpy (val, dev->val[option].wa, dev->opt[option].size);
+ return SANE_STATUS_GOOD;
+
+ /* string options: */
+ case OPT_MODE:
+
+ strcpy (val, dev->val[option].s);
+ return SANE_STATUS_GOOD;
+ }
+ }
+ else if (action == SANE_ACTION_SET_VALUE)
+ {
+ DBG (6, " set value\n");
+
+ if (!SANE_OPTION_IS_SETTABLE (cap))
+ {
+ DBG (2, "control_option: option can't be set\n");
+ return SANE_STATUS_INVAL;
+ }
+
+ status = sanei_constrain_value (dev->opt + option, val, info);
+
+ if (status != SANE_STATUS_GOOD)
+ {
+ DBG (2, "control_option: constrain_value failed (%s)\n",
+ sane_strstatus (status));
+ return status;
+ }
+
+ if (option == OPT_RESOLUTION)
+ {
+ DBG (16, "control_option: setting resolution to %d\n",
+ *(SANE_Int *) val);
+ }
+ if (option == OPT_PREVIEW)
+ {
+ DBG (16, "control_option: setting preview to %d\n",
+ *(SANE_Word *) val);
+ }
+
+ switch (option)
+ {
+ /* (mostly) side-effect-free word options: */
+ case OPT_PREVIEW:
+ case OPT_GRAY_PREVIEW:
+ case OPT_TL_Y:
+ case OPT_BR_Y:
+
+ if (info)
+ *info |= SANE_INFO_RELOAD_PARAMS;
+
+ case OPT_GRAY_GAIN:
+ case OPT_GREEN_GAIN:
+ case OPT_RED_GAIN:
+ case OPT_BLUE_GAIN:
+ case OPT_GRAY_OFFSET:
+ case OPT_GREEN_OFFSET:
+ case OPT_RED_OFFSET:
+ case OPT_BLUE_OFFSET:
+
+ dev->val[option].w = *(SANE_Word *) val;
+ /* sanity check */
+ if (dev->val[OPT_BR_Y].w < dev->val[OPT_TL_Y].w)
+ {
+ tmpw = dev->val[OPT_BR_Y].w;
+ dev->val[OPT_BR_Y].w = dev->val[OPT_TL_Y].w;
+ dev->val[OPT_TL_Y].w = tmpw;
+ if (info)
+ *info |= SANE_INFO_INEXACT;
+ DBG (16, "control_option: swapping Y coordinates\n");
+ }
+ if (strcmp (dev->val[OPT_MODE].s, SANE_VALUE_SCAN_MODE_COLOR) == 0)
+ {
+ dpi = (int) (SANE_UNFIX (dev->val[OPT_RESOLUTION].w));
+ if (dev->val[OPT_TL_Y].w < 2 * umax_pp_get_sync (dpi))
+ {
+ DBG (16, "control_option: correcting TL_Y coordinates\n");
+ dev->val[OPT_TL_Y].w = 2 * umax_pp_get_sync (dpi);
+ if (info)
+ *info |= SANE_INFO_INEXACT;
+ }
+ }
+ return SANE_STATUS_GOOD;
+
+ /* 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 (dev->val[option].wa, val, dev->opt[option].size);
+ return SANE_STATUS_GOOD;
+
+
+ /* options with side-effects: */
+ case OPT_UTA_CONTROL:
+ dev->val[option].w = *(SANE_Word *) val;
+ return SANE_STATUS_GOOD;
+
+ case OPT_LAMP_CONTROL:
+ if (dev->state != UMAX_PP_STATE_IDLE)
+ {
+ rc = sanei_umax_pp_status ();
+
+ /* check if scanner busy parking */
+ if (rc == UMAX1220P_BUSY)
+ {
+ DBG (2, "control_option: scanner busy\n");
+ if (info)
+ *info |= SANE_INFO_RELOAD_PARAMS;
+ return SANE_STATUS_DEVICE_BUSY;
+ }
+ dev->state = UMAX_PP_STATE_IDLE;
+ }
+ dev->val[option].w = *(SANE_Word *) val;
+ if (dev->val[option].w == SANE_TRUE)
+ rc = sanei_umax_pp_lamp (1);
+ else
+ rc = sanei_umax_pp_lamp (0);
+ if (rc == UMAX1220P_TRANSPORT_FAILED)
+ return SANE_STATUS_IO_ERROR;
+ return SANE_STATUS_GOOD;
+
+ case OPT_TL_X:
+ case OPT_BR_X:
+ if (info)
+ *info |= SANE_INFO_RELOAD_PARAMS;
+ dpi = (int) (SANE_UNFIX (dev->val[OPT_RESOLUTION].w));
+ dev->val[option].w = *(SANE_Word *) val;
+ /* coords rounded to allow 32 bit IO/transfer */
+ /* at high resolution */
+ if (dpi >= 600)
+ {
+ if (dev->val[option].w & 0x03)
+ {
+ if (info)
+ *info |= SANE_INFO_INEXACT;
+ dev->val[option].w = dev->val[option].w & 0xFFFC;
+ *(SANE_Word *) val = dev->val[option].w;
+ DBG (16, "control_option: rounding X to %d\n",
+ *(SANE_Word *) val);
+ }
+ }
+ /* sanity check */
+ if (dev->val[OPT_BR_X].w < dev->val[OPT_TL_X].w)
+ {
+ tmpw = dev->val[OPT_BR_X].w;
+ dev->val[OPT_BR_X].w = dev->val[OPT_TL_X].w;
+ dev->val[OPT_TL_X].w = tmpw;
+ if (info)
+ *info |= SANE_INFO_INEXACT;
+ DBG (16, "control_option: swapping X coordinates\n");
+ }
+ return SANE_STATUS_GOOD;
+
+
+
+ case OPT_RESOLUTION:
+ if (info)
+ *info |= SANE_INFO_RELOAD_PARAMS;
+ /* resolution : only have 75, 150, 300, 600 and 1200 */
+ dpi = (int) (SANE_UNFIX (*(SANE_Word *) val));
+ if ((dpi != 75)
+ && (dpi != 150)
+ && (dpi != 300) && (dpi != 600) && (dpi != 1200))
+ {
+ if (dpi <= 75)
+ dpi = 75;
+ else if (dpi <= 150)
+ dpi = 150;
+ else if (dpi <= 300)
+ dpi = 300;
+ else if (dpi <= 600)
+ dpi = 600;
+ else
+ dpi = 1200;
+ if (info)
+ *info |= SANE_INFO_INEXACT;
+ *(SANE_Word *) val = SANE_FIX ((SANE_Word) dpi);
+ }
+ dev->val[option].w = *(SANE_Word *) val;
+
+ /* correct top x and bottom x if needed */
+ if (dpi >= 600)
+ {
+ dev->val[OPT_TL_X].w = dev->val[OPT_TL_X].w & 0xFFFC;
+ dev->val[OPT_BR_X].w = dev->val[OPT_BR_X].w & 0xFFFC;
+ }
+ /* corrects top y for offset */
+ if (strcmp (dev->val[OPT_MODE].s, SANE_VALUE_SCAN_MODE_COLOR) == 0)
+ {
+ if (dev->val[OPT_TL_Y].w < 2 * umax_pp_get_sync (dpi))
+ {
+ DBG (16, "control_option: correcting TL_Y coordinates\n");
+ dev->val[OPT_TL_Y].w = 2 * umax_pp_get_sync (dpi);
+ if (info)
+ *info |= SANE_INFO_INEXACT;
+ }
+ }
+ return SANE_STATUS_GOOD;
+
+ case OPT_MANUAL_OFFSET:
+ w = *(SANE_Word *) val;
+
+ if (w == dev->val[OPT_MANUAL_OFFSET].w)
+ return SANE_STATUS_GOOD; /* no change */
+
+ if (info)
+ *info |= SANE_INFO_RELOAD_OPTIONS;
+
+ dev->val[OPT_MANUAL_OFFSET].w = w;
+
+ if (w == SANE_TRUE)
+ {
+ const char *mode = dev->val[OPT_MODE].s;
+
+ if ((strcmp (mode, SANE_VALUE_SCAN_MODE_GRAY) == 0)
+ || (strcmp (mode, SANE_VALUE_SCAN_MODE_LINEART) == 0))
+ dev->opt[OPT_GRAY_OFFSET].cap &= ~SANE_CAP_INACTIVE;
+ else if (strcmp (mode, SANE_VALUE_SCAN_MODE_COLOR) == 0)
+ {
+ dev->opt[OPT_GRAY_OFFSET].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_RED_OFFSET].cap &= ~SANE_CAP_INACTIVE;
+ dev->opt[OPT_GREEN_OFFSET].cap &= ~SANE_CAP_INACTIVE;
+ dev->opt[OPT_BLUE_OFFSET].cap &= ~SANE_CAP_INACTIVE;
+ }
+ }
+ else
+ {
+ dev->opt[OPT_GRAY_OFFSET].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_RED_OFFSET].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_GREEN_OFFSET].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_BLUE_OFFSET].cap |= SANE_CAP_INACTIVE;
+ }
+ return SANE_STATUS_GOOD;
+
+
+
+ case OPT_MANUAL_GAIN:
+ w = *(SANE_Word *) val;
+
+ if (w == dev->val[OPT_MANUAL_GAIN].w)
+ return SANE_STATUS_GOOD; /* no change */
+
+ if (info)
+ *info |= SANE_INFO_RELOAD_OPTIONS;
+
+ dev->val[OPT_MANUAL_GAIN].w = w;
+
+ if (w == SANE_TRUE)
+ {
+ const char *mode = dev->val[OPT_MODE].s;
+
+ if ((strcmp (mode, SANE_VALUE_SCAN_MODE_GRAY) == 0)
+ || (strcmp (mode, SANE_VALUE_SCAN_MODE_LINEART) == 0))
+ dev->opt[OPT_GRAY_GAIN].cap &= ~SANE_CAP_INACTIVE;
+ else if (strcmp (mode, SANE_VALUE_SCAN_MODE_COLOR) == 0)
+ {
+ dev->opt[OPT_GRAY_GAIN].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_RED_GAIN].cap &= ~SANE_CAP_INACTIVE;
+ dev->opt[OPT_GREEN_GAIN].cap &= ~SANE_CAP_INACTIVE;
+ dev->opt[OPT_BLUE_GAIN].cap &= ~SANE_CAP_INACTIVE;
+ }
+ }
+ else
+ {
+ dev->opt[OPT_GRAY_GAIN].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_RED_GAIN].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_GREEN_GAIN].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_BLUE_GAIN].cap |= SANE_CAP_INACTIVE;
+ }
+ return SANE_STATUS_GOOD;
+
+
+
+
+ case OPT_CUSTOM_GAMMA:
+ w = *(SANE_Word *) val;
+
+ if (w == dev->val[OPT_CUSTOM_GAMMA].w)
+ return SANE_STATUS_GOOD; /* no change */
+
+ if (info)
+ *info |= SANE_INFO_RELOAD_OPTIONS;
+
+ dev->val[OPT_CUSTOM_GAMMA].w = w;
+
+ if (w == SANE_TRUE)
+ {
+ const char *mode = dev->val[OPT_MODE].s;
+
+ if ((strcmp (mode, SANE_VALUE_SCAN_MODE_GRAY) == 0)
+ || (strcmp (mode, SANE_VALUE_SCAN_MODE_LINEART) == 0))
+ {
+ dev->opt[OPT_GAMMA_VECTOR].cap &= ~SANE_CAP_INACTIVE;
+ sanei_umax_pp_gamma (NULL, dev->val[OPT_GAMMA_VECTOR].wa,
+ NULL);
+ }
+ else if (strcmp (mode, SANE_VALUE_SCAN_MODE_COLOR) == 0)
+ {
+ dev->opt[OPT_GAMMA_VECTOR].cap &= ~SANE_CAP_INACTIVE;
+ dev->opt[OPT_GAMMA_VECTOR_R].cap &= ~SANE_CAP_INACTIVE;
+ dev->opt[OPT_GAMMA_VECTOR_G].cap &= ~SANE_CAP_INACTIVE;
+ dev->opt[OPT_GAMMA_VECTOR_B].cap &= ~SANE_CAP_INACTIVE;
+ sanei_umax_pp_gamma (dev->val[OPT_GAMMA_VECTOR_R].wa,
+ dev->val[OPT_GAMMA_VECTOR_G].wa,
+ dev->val[OPT_GAMMA_VECTOR_B].wa);
+ }
+ }
+ else
+ {
+ dev->opt[OPT_GAMMA_VECTOR].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_GAMMA_VECTOR_R].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_GAMMA_VECTOR_G].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_GAMMA_VECTOR_B].cap |= SANE_CAP_INACTIVE;
+ sanei_umax_pp_gamma (NULL, NULL, NULL);
+ }
+
+ return SANE_STATUS_GOOD;
+
+ case OPT_MODE:
+ {
+ char *old_val = dev->val[option].s;
+
+ if (old_val)
+ {
+ if (strcmp (old_val, val) == 0)
+ return SANE_STATUS_GOOD; /* no change */
+
+ free (old_val);
+ }
+
+ if (info)
+ *info |= SANE_INFO_RELOAD_OPTIONS | SANE_INFO_RELOAD_PARAMS;
+
+ dev->val[option].s = strdup (val);
+
+ /* corrects top y for offset */
+ if (strcmp (val, SANE_VALUE_SCAN_MODE_COLOR) == 0)
+ {
+ dpi = (int) (SANE_UNFIX (dev->val[OPT_RESOLUTION].w));
+ if (dev->val[OPT_TL_Y].w < 2 * umax_pp_get_sync (dpi))
+ {
+ dev->val[OPT_TL_Y].w = 2 * umax_pp_get_sync (dpi);
+ DBG (16, "control_option: correcting TL_Y coordinates\n");
+ if (info)
+ *info |= SANE_INFO_INEXACT;
+ }
+ }
+
+ dev->opt[OPT_CUSTOM_GAMMA].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_GAMMA_VECTOR].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_GAMMA_VECTOR_R].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_GAMMA_VECTOR_G].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_GAMMA_VECTOR_B].cap |= SANE_CAP_INACTIVE;
+ sanei_umax_pp_gamma (NULL, NULL, NULL);
+
+
+ if (dev->val[OPT_CUSTOM_GAMMA].w == SANE_TRUE)
+ {
+ if ((strcmp (val, SANE_VALUE_SCAN_MODE_GRAY) == 0)
+ || (strcmp (val, SANE_VALUE_SCAN_MODE_LINEART) == 0))
+ {
+ dev->opt[OPT_GAMMA_VECTOR].cap &= ~SANE_CAP_INACTIVE;
+ sanei_umax_pp_gamma (NULL, dev->val[OPT_GAMMA_VECTOR].wa,
+ NULL);
+ }
+ else if (strcmp (val, SANE_VALUE_SCAN_MODE_COLOR) == 0)
+ {
+ dev->opt[OPT_GAMMA_VECTOR].cap &= ~SANE_CAP_INACTIVE;
+ dev->opt[OPT_GAMMA_VECTOR_R].cap &= ~SANE_CAP_INACTIVE;
+ dev->opt[OPT_GAMMA_VECTOR_G].cap &= ~SANE_CAP_INACTIVE;
+ dev->opt[OPT_GAMMA_VECTOR_B].cap &= ~SANE_CAP_INACTIVE;
+ sanei_umax_pp_gamma (dev->val[OPT_GAMMA_VECTOR_R].wa,
+ dev->val[OPT_GAMMA_VECTOR_G].wa,
+ dev->val[OPT_GAMMA_VECTOR_B].wa);
+ }
+ }
+
+ /* rebuild OPT OFFSET */
+ dev->opt[OPT_GRAY_OFFSET].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_RED_OFFSET].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_GREEN_OFFSET].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_BLUE_OFFSET].cap |= SANE_CAP_INACTIVE;
+
+
+ if (dev->val[OPT_MANUAL_OFFSET].w == SANE_TRUE)
+ {
+ if ((strcmp (val, SANE_VALUE_SCAN_MODE_GRAY) == 0)
+ || (strcmp (val, SANE_VALUE_SCAN_MODE_LINEART) == 0))
+ dev->opt[OPT_GRAY_OFFSET].cap &= ~SANE_CAP_INACTIVE;
+ else if (strcmp (val, SANE_VALUE_SCAN_MODE_COLOR) == 0)
+ {
+ dev->opt[OPT_RED_OFFSET].cap &= ~SANE_CAP_INACTIVE;
+ dev->opt[OPT_GREEN_OFFSET].cap &= ~SANE_CAP_INACTIVE;
+ dev->opt[OPT_BLUE_OFFSET].cap &= ~SANE_CAP_INACTIVE;
+ }
+ }
+
+ /* rebuild OPT GAIN */
+ dev->opt[OPT_GRAY_GAIN].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_RED_GAIN].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_GREEN_GAIN].cap |= SANE_CAP_INACTIVE;
+ dev->opt[OPT_BLUE_GAIN].cap |= SANE_CAP_INACTIVE;
+
+
+ if (dev->val[OPT_MANUAL_GAIN].w == SANE_TRUE)
+ {
+ if ((strcmp (val, SANE_VALUE_SCAN_MODE_GRAY) == 0)
+ || (strcmp (val, SANE_VALUE_SCAN_MODE_LINEART) == 0))
+ dev->opt[OPT_GRAY_GAIN].cap &= ~SANE_CAP_INACTIVE;
+ else if (strcmp (val, SANE_VALUE_SCAN_MODE_COLOR) == 0)
+ {
+ dev->opt[OPT_RED_GAIN].cap &= ~SANE_CAP_INACTIVE;
+ dev->opt[OPT_GREEN_GAIN].cap &= ~SANE_CAP_INACTIVE;
+ dev->opt[OPT_BLUE_GAIN].cap &= ~SANE_CAP_INACTIVE;
+ }
+ }
+
+ return SANE_STATUS_GOOD;
+ }
+ }
+ }
+
+
+ DBG (2, "control_option: unknown action %d \n", action);
+ return SANE_STATUS_INVAL;
+}
+
+
+SANE_Status
+sane_get_parameters (SANE_Handle handle, SANE_Parameters * params)
+{
+ Umax_PP_Device *dev = handle;
+ int dpi, remain;
+
+ memset (&(dev->params), 0, sizeof (dev->params));
+ DBG (64, "sane_get_parameters\n");
+
+ /* color/gray */
+ if (strcmp (dev->val[OPT_MODE].s, SANE_VALUE_SCAN_MODE_COLOR) != 0)
+ {
+ if (strcmp (dev->val[OPT_MODE].s, SANE_VALUE_SCAN_MODE_GRAY) != 0)
+ dev->color = UMAX_PP_MODE_LINEART;
+ else
+ dev->color = UMAX_PP_MODE_GRAYSCALE;
+ }
+ else
+ dev->color = UMAX_PP_MODE_COLOR;
+
+ /* offset control */
+ if (dev->val[OPT_MANUAL_OFFSET].w == SANE_TRUE)
+ {
+ if (dev->color != UMAX_PP_MODE_COLOR)
+ {
+ dev->red_offset = 0;
+ dev->green_offset = (int) (dev->val[OPT_GRAY_OFFSET].w);
+ dev->blue_offset = 0;
+ }
+ else
+ {
+ dev->red_offset = (int) (dev->val[OPT_RED_OFFSET].w);
+ dev->green_offset = (int) (dev->val[OPT_GREEN_OFFSET].w);
+ dev->blue_offset = (int) (dev->val[OPT_BLUE_OFFSET].w);
+ }
+ }
+ else
+ {
+ dev->red_offset = 6;
+ dev->green_offset = 6;
+ dev->blue_offset = 6;
+ }
+
+ /* gain control */
+ if (dev->val[OPT_MANUAL_GAIN].w == SANE_TRUE)
+ {
+ if (dev->color != UMAX_PP_MODE_COLOR)
+ {
+ dev->red_gain = 0;
+ dev->green_gain = (int) (dev->val[OPT_GRAY_GAIN].w);
+ dev->blue_gain = 0;
+ }
+ else
+ {
+ dev->red_gain = (int) (dev->val[OPT_RED_GAIN].w);
+ dev->green_gain = (int) (dev->val[OPT_GREEN_GAIN].w);
+ dev->blue_gain = (int) (dev->val[OPT_BLUE_GAIN].w);
+ }
+ }
+ else
+ {
+ dev->red_gain = red_gain;
+ dev->green_gain = green_gain;
+ dev->blue_gain = blue_gain;
+ }
+
+ /* geometry */
+ dev->TopX = dev->val[OPT_TL_X].w;
+ dev->TopY = dev->val[OPT_TL_Y].w;
+ dev->BottomX = dev->val[OPT_BR_X].w;
+ dev->BottomY = dev->val[OPT_BR_Y].w;
+
+ /* resolution : only have 75, 150, 300, 600 and 1200 */
+ dpi = (int) (SANE_UNFIX (dev->val[OPT_RESOLUTION].w));
+ if (dpi <= 75)
+ dpi = 75;
+ else if (dpi <= 150)
+ dpi = 150;
+ else if (dpi <= 300)
+ dpi = 300;
+ else if (dpi <= 600)
+ dpi = 600;
+ else
+ dpi = 1200;
+ dev->dpi = dpi;
+
+ DBG (16, "sane_get_parameters: dpi set to %d\n", dpi);
+
+ /* for highest resolutions , width must be aligned on 32 bit word */
+ if (dpi >= 600)
+ {
+ remain = (dev->BottomX - dev->TopX) & 0x03;
+ if (remain)
+ {
+ DBG (64, "sane_get_parameters: %d-%d -> remain is %d\n",
+ dev->BottomX, dev->TopX, remain);
+ if (dev->BottomX + remain < dev->desc->max_h_size)
+ dev->BottomX += remain;
+ else
+ {
+ remain -= (dev->desc->max_h_size - dev->BottomX);
+ dev->BottomX = dev->desc->max_h_size;
+ dev->TopX -= remain;
+ }
+ }
+ }
+
+ if (dev->val[OPT_PREVIEW].w == SANE_TRUE)
+ {
+
+ if (dev->val[OPT_GRAY_PREVIEW].w == SANE_TRUE)
+ {
+ DBG (16, "sane_get_parameters: gray preview\n");
+ dev->color = UMAX_PP_MODE_GRAYSCALE;
+ dev->params.format = SANE_FRAME_GRAY;
+ }
+ else
+ {
+ DBG (16, "sane_get_parameters: color preview\n");
+ dev->color = UMAX_PP_MODE_COLOR;
+ dev->params.format = SANE_FRAME_RGB;
+ }
+
+ dev->dpi = 75;
+ dev->TopX = 0;
+ dev->TopY = 0;
+ dev->BottomX = dev->desc->max_h_size;
+ dev->BottomY = dev->desc->max_v_size;
+ }
+
+
+ /* fill params */
+ dev->params.last_frame = SANE_TRUE;
+ dev->params.lines =
+ ((dev->BottomY - dev->TopY) * dev->dpi) / dev->desc->ccd_res;
+ if (dev->dpi >= dev->desc->ccd_res)
+ dpi = dev->desc->ccd_res;
+ else
+ dpi = dev->dpi;
+ dev->params.pixels_per_line =
+ ((dev->BottomX - dev->TopX) * dpi) / dev->desc->ccd_res;
+ if (dev->color == UMAX_PP_MODE_COLOR)
+ {
+ dev->params.bytes_per_line = dev->params.pixels_per_line * 3;
+ dev->params.format = SANE_FRAME_RGB;
+ }
+ else
+ {
+ dev->params.bytes_per_line = dev->params.pixels_per_line;
+ dev->params.format = SANE_FRAME_GRAY;
+ }
+ dev->params.depth = 8;
+
+ /* success */
+ if (params != NULL)
+ memcpy (params, &(dev->params), sizeof (dev->params));
+ return SANE_STATUS_GOOD;
+
+}
+
+SANE_Status
+sane_start (SANE_Handle handle)
+{
+ Umax_PP_Device *dev = handle;
+ int rc, autoset;
+ int delta = 0, points;
+
+ /* sanity check */
+ if (dev->state == UMAX_PP_STATE_SCANNING)
+ {
+ DBG (2, "sane_start: device is already scanning\n");
+ DEBUG ();
+
+ return SANE_STATUS_DEVICE_BUSY;
+ }
+
+ /* if cancelled, check if head is back home */
+ if (dev->state == UMAX_PP_STATE_CANCELLED)
+ {
+ DBG (2, "sane_start: checking if scanner is parking head .... \n");
+
+ rc = sanei_umax_pp_status ();
+ points = 0;
+
+ /* check if scanner busy parking */
+ /* if so, wait parking completion */
+ DBG (2, "sane_start: scanner busy\n");
+ while ((rc == UMAX1220P_BUSY) && (points < 30))
+ {
+ sleep (1);
+ rc = sanei_umax_pp_status ();
+ points++;
+ }
+ /* timeout waiting for scanner */
+ if (rc == UMAX1220P_BUSY)
+ {
+ DBG (2, "sane_start: scanner still busy\n");
+ return SANE_STATUS_DEVICE_BUSY;
+ }
+ dev->state = UMAX_PP_STATE_IDLE;
+ }
+
+
+ /* get values from options */
+ sane_get_parameters (handle, NULL);
+
+ /* sets lamp flag to TRUE */
+ dev->val[OPT_LAMP_CONTROL].w = SANE_TRUE;
+
+ /* tests if we do auto setting */
+ if (dev->val[OPT_MANUAL_GAIN].w == SANE_TRUE)
+ autoset = 0;
+ else
+ autoset = 1;
+
+
+ /* call start scan */
+ if (dev->color == UMAX_PP_MODE_COLOR)
+ {
+ delta = umax_pp_get_sync (dev->dpi);
+ points = 2 * delta;
+ /* first lines are 'garbage' for 610P */
+ if (sanei_umax_pp_getastra () < 1210)
+ points *= 2;
+ DBG (64, "sane_start:umax_pp_start(%d,%d,%d,%d,%d,1,%X,%X)\n",
+ dev->TopX,
+ dev->TopY - points,
+ dev->BottomX - dev->TopX,
+ dev->BottomY - dev->TopY + points,
+ dev->dpi,
+ (dev->red_gain << 8) + (dev->green_gain << 4) +
+ dev->blue_gain,
+ (dev->red_offset << 8) + (dev->green_offset << 4) +
+ dev->blue_offset);
+
+ rc = sanei_umax_pp_start (dev->TopX,
+ dev->TopY - points,
+ dev->BottomX - dev->TopX,
+ dev->BottomY - dev->TopY + points,
+ dev->dpi,
+ 2,
+ autoset,
+ (dev->red_gain << 8) |
+ (dev->green_gain << 4) |
+ dev->blue_gain,
+ (dev->red_offset << 8) |
+ (dev->green_offset << 4) |
+ dev->blue_offset, &(dev->bpp), &(dev->tw),
+ &(dev->th));
+ /* we enlarged the scanning zone */
+ /* to allow reordering, we must */
+ /* substract it from real scanning */
+ /* zone */
+ dev->th -= points;
+ DBG (64, "sane_start: bpp=%d,tw=%d,th=%d\n", dev->bpp, dev->tw,
+ dev->th);
+ }
+ else
+ {
+ DBG (64, "sane_start:umax_pp_start(%d,%d,%d,%d,%d,0,%X,%X)\n",
+ dev->TopX,
+ dev->TopY,
+ dev->BottomX - dev->TopX,
+ dev->BottomY - dev->TopY, dev->dpi, dev->gray_gain << 4,
+ dev->gray_offset << 4);
+ rc = sanei_umax_pp_start (dev->TopX,
+ dev->TopY,
+ dev->BottomX - dev->TopX,
+ dev->BottomY - dev->TopY,
+ dev->dpi,
+ 1,
+ autoset,
+ dev->gray_gain << 4,
+ dev->gray_offset << 4, &(dev->bpp),
+ &(dev->tw), &(dev->th));
+ DBG (64, "sane_start: bpp=%d,tw=%d,th=%d\n", dev->bpp, dev->tw,
+ dev->th);
+ }
+
+ if (rc != UMAX1220P_OK)
+ {
+ DBG (2, "sane_start: failure\n");
+ return SANE_STATUS_IO_ERROR;
+ }
+
+ /* scan started, no bytes read */
+ dev->state = UMAX_PP_STATE_SCANNING;
+ dev->buflen = 0;
+ dev->bufread = 0;
+ dev->read = 0;
+
+ /* leading lines for 610P aren't complete in color mode */
+ /* and should be discarded */
+ if ((sanei_umax_pp_getastra () < 1210)
+ && (dev->color == UMAX_PP_MODE_COLOR))
+ {
+ rc =
+ sanei_umax_pp_read (2 * delta * dev->tw * dev->bpp, dev->tw, dev->dpi,
+ 0,
+ dev->buf + UMAX_PP_RESERVE -
+ 2 * delta * dev->tw * dev->bpp);
+ if (rc != UMAX1220P_OK)
+ {
+ DBG (2, "sane_start: first lines discarding failed\n");
+ return SANE_STATUS_IO_ERROR;
+ }
+ }
+
+ /* in case of color, we have to preload blue and green */
+ /* data to allow reordering while later read */
+ if ((dev->color == UMAX_PP_MODE_COLOR) && (delta > 0))
+ {
+ rc =
+ sanei_umax_pp_read (2 * delta * dev->tw * dev->bpp, dev->tw, dev->dpi,
+ 0,
+ dev->buf + UMAX_PP_RESERVE -
+ 2 * delta * dev->tw * dev->bpp);
+ if (rc != UMAX1220P_OK)
+ {
+ DBG (2, "sane_start: preload buffer failed\n");
+ return SANE_STATUS_IO_ERROR;
+ }
+ }
+
+ /* OK .... */
+ return SANE_STATUS_GOOD;
+
+}
+
+SANE_Status
+sane_read (SANE_Handle handle, SANE_Byte * buf, SANE_Int max_len,
+ SANE_Int * len)
+{
+ Umax_PP_Device *dev = handle;
+ long int length;
+ int last, rc;
+ int x, y, nl, ll;
+ SANE_Byte *lbuf;
+ int max = 0;
+ int min = 255;
+ int delta = 0;
+
+
+ /* no data until further notice */
+ *len = 0;
+ DBG (64, "sane_read(max_len=%d)\n", max_len);
+ ll = dev->tw * dev->bpp;
+
+ /* sanity check */
+ if (dev->state == UMAX_PP_STATE_CANCELLED)
+ {
+ DBG (2, "sane_read: scan cancelled\n");
+ DEBUG ();
+
+ return SANE_STATUS_CANCELLED;
+ }
+
+ /* eof test */
+ if (dev->read >= dev->th * ll)
+ {
+ DBG (2, "sane_read: end of scan reached\n");
+ return SANE_STATUS_EOF;
+ }
+
+ /* read data from scanner if needed */
+ if ((dev->buflen == 0) || (dev->bufread >= dev->buflen))
+ {
+ DBG (64, "sane_read: reading data from scanner\n");
+ /* absolute number of bytes needed */
+ length = ll * dev->th - dev->read;
+
+ /* does all fit in a single last read ? */
+ if (length <= dev->bufsize)
+ {
+ last = 1;
+ }
+ else
+ {
+ last = 0;
+ /* round number of scan lines */
+ length = (dev->bufsize / ll) * ll;
+ }
+
+
+ if (dev->color == UMAX_PP_MODE_COLOR)
+ {
+ delta = umax_pp_get_sync (dev->dpi);
+ rc =
+ sanei_umax_pp_read (length, dev->tw, dev->dpi, last,
+ dev->buf + UMAX_PP_RESERVE);
+ }
+ else
+ rc = sanei_umax_pp_read (length, dev->tw, dev->dpi, last, dev->buf);
+ if (rc != UMAX1220P_OK)
+ return SANE_STATUS_IO_ERROR;
+ dev->buflen = length;
+ DBG (64, "sane_read: got %ld bytes of data from scanner\n", length);
+
+ /* we transform data for software lineart */
+ if (dev->color == UMAX_PP_MODE_LINEART)
+ {
+ DBG (64, "sane_read: software lineart\n");
+
+ for (y = 0; y < length; y++)
+ {
+ if (dev->buf[y] > max)
+ max = dev->buf[y];
+ if (dev->buf[y] < min)
+ min = dev->buf[y];
+ }
+ max = (min + max) / 2;
+ for (y = 0; y < length; y++)
+ {
+ if (dev->buf[y] > max)
+ dev->buf[y] = 255;
+ else
+ dev->buf[y] = 0;
+ }
+ }
+ else if (dev->color == UMAX_PP_MODE_COLOR)
+ {
+ /* number of lines */
+ nl = dev->buflen / ll;
+ DBG (64, "sane_read: reordering %ld bytes of data (lines=%d)\n",
+ length, nl);
+ lbuf = (SANE_Byte *) malloc (dev->bufsize + UMAX_PP_RESERVE);
+ if (lbuf == NULL)
+ {
+ DBG (1, "sane_read: couldn't allocate %ld bytes\n",
+ dev->bufsize + UMAX_PP_RESERVE);
+ return SANE_STATUS_NO_MEM;
+ }
+ /* reorder data in R,G,B values */
+ for (y = 0; y < nl; y++)
+ {
+ for (x = 0; x < dev->tw; x++)
+ {
+ switch (sanei_umax_pp_getastra ())
+ {
+ case 610:
+ /* green value: sync'ed */
+ lbuf[x * dev->bpp + y * ll + 1 + UMAX_PP_RESERVE] =
+ dev->buf[x + y * ll + 2 * dev->tw + UMAX_PP_RESERVE];
+
+ /* blue value, +delta line ahead of sync */
+ lbuf[x * dev->bpp + y * ll + 2 + UMAX_PP_RESERVE] =
+ dev->buf[x + (y - delta) * ll + dev->tw +
+ UMAX_PP_RESERVE];
+
+ /* red value, +2*delta line ahead of sync */
+ lbuf[x * dev->bpp + y * ll + UMAX_PP_RESERVE] =
+ dev->buf[x + (y - 2 * delta) * ll + UMAX_PP_RESERVE];
+
+ break;
+ default:
+ /* red value: sync'ed */
+ lbuf[x * dev->bpp + y * ll + UMAX_PP_RESERVE] =
+ dev->buf[x + y * ll + 2 * dev->tw + UMAX_PP_RESERVE];
+
+ /* green value, +delta line ahead of sync */
+ lbuf[x * dev->bpp + y * ll + 1 + UMAX_PP_RESERVE] =
+ dev->buf[x + (y - delta) * ll + dev->tw +
+ UMAX_PP_RESERVE];
+
+ /* blue value, +2*delta line ahead of sync */
+ lbuf[x * dev->bpp + y * ll + 2 + UMAX_PP_RESERVE] =
+ dev->buf[x + (y - 2 * delta) * ll + UMAX_PP_RESERVE];
+ }
+ }
+ }
+ /* store last data lines for next reordering */
+ if (!last)
+ memcpy (lbuf + UMAX_PP_RESERVE - 2 * delta * ll,
+ dev->buf + UMAX_PP_RESERVE + dev->buflen - 2 * delta * ll,
+ 2 * delta * ll);
+ free (dev->buf);
+ dev->buf = lbuf;
+ }
+ dev->bufread = 0;
+ }
+
+ /* how much get data we can get from memory buffer */
+ length = dev->buflen - dev->bufread;
+ DBG (64, "sane_read: %ld bytes of data available\n", length);
+ if (length > max_len)
+ length = max_len;
+
+
+
+ if (dev->color == UMAX_PP_MODE_COLOR)
+ memcpy (buf, dev->buf + dev->bufread + UMAX_PP_RESERVE, length);
+ else
+ memcpy (buf, dev->buf + dev->bufread, length);
+ *len = length;
+ dev->bufread += length;
+ dev->read += length;
+ DBG (64, "sane_read: %ld bytes read\n", length);
+
+ return SANE_STATUS_GOOD;
+
+}
+
+void
+sane_cancel (SANE_Handle handle)
+{
+ Umax_PP_Device *dev = handle;
+ int rc;
+
+ DBG (64, "sane_cancel\n");
+ if (dev->state == UMAX_PP_STATE_IDLE)
+ {
+ DBG (3, "cancel: cancelling idle \n");
+ return;
+ }
+ if (dev->state == UMAX_PP_STATE_SCANNING)
+ {
+ DBG (3, "cancel: stopping current scan\n");
+
+ dev->buflen = 0;
+
+ dev->state = UMAX_PP_STATE_CANCELLED;
+ sanei_umax_pp_cancel ();
+ }
+ else
+ {
+ /* STATE_CANCELLED */
+ DBG (2, "cancel: checking if scanner is still parking head .... \n");
+
+ rc = sanei_umax_pp_status ();
+
+ /* check if scanner busy parking */
+ if (rc == UMAX1220P_BUSY)
+ {
+ DBG (2, "cancel: scanner busy\n");
+ return;
+ }
+ dev->state = UMAX_PP_STATE_IDLE;
+ }
+}
+
+SANE_Status
+sane_set_io_mode (SANE_Handle handle, SANE_Bool non_blocking)
+{
+ DBG (129, "unused arg: handle = %p, non_blocking = %d\n",
+ handle, (int) non_blocking);
+
+ DBG (2, "set_io_mode: not supported\n");
+
+ return SANE_STATUS_UNSUPPORTED;
+}
+
+SANE_Status
+sane_get_select_fd (SANE_Handle handle, SANE_Int * fd)
+{
+
+ DBG (129, "unused arg: handle = %p, fd = %p\n", handle, (void *) fd);
+
+ DBG (2, "get_select_fd: not supported\n");
+
+ return SANE_STATUS_UNSUPPORTED;
+}