New upstream version 1.0.32upstream/1.0.32

1 files changed, 92 insertions, 49 deletions

diff --git a/backend/epson2.c b/backend/epson2.c
index e6f6786..a15a620 100644
--- a/backend/epson2.c
+++ b/backend/epson2.c
@@ -138,12 +138,6 @@ static const SANE_String_Const film_list[] = {
 	NULL
 };
 
-static const SANE_String_Const focus_list[] = {
-	SANE_I18N("Focus on glass"),
-	SANE_I18N("Focus 2.5mm above glass"),
-	NULL
-};
-
 #define HALFTONE_NONE 0x01
 #define HALFTONE_TET 0x03
 
@@ -239,7 +233,7 @@ enum {
  * Gamma correction:
  * The A and B level scanners work differently than the D level scanners,
  * therefore I define two different sets of arrays, plus one set of
- * variables that get set to the actally used params and list arrays at runtime.
+ * variables that get set to the actually used params and list arrays at runtime.
  */
 
 static int gamma_params_ab[] = {
@@ -302,12 +296,11 @@ static const SANE_String_Const bay_list[] = {
 };
 
 /* minimum, maximum, quantization */
+static const SANE_Range focus_range = { 0, 254, 0 };
 static const SANE_Range u8_range = { 0, 255, 0 };
 static const SANE_Range fx_range = { SANE_FIX(-2.0), SANE_FIX(2.0), 0 };
-
 static const SANE_Range outline_emphasis_range = { -2, 2, 0 };
 
-
 /*
  * List of pointers to devices - will be dynamically allocated depending
  * on the number of devices found.
@@ -813,10 +806,11 @@ attach_one_pio(const char *dev)
 }
 
 static SANE_Status
-attach_one_config(SANEI_Config __sane_unused__ *config, const char *line)
+attach_one_config(SANEI_Config __sane_unused__ *config, const char *line,
+		  void *data)
 {
 	int vendor, product;
-
+	SANE_Bool local_only = *(SANE_Bool*) data;
 	int len = strlen(line);
 
 	DBG(7, "%s: len = %d, line = %s\n", __func__, len, line);
@@ -847,13 +841,16 @@ attach_one_config(SANEI_Config __sane_unused__ *config, const char *line)
 
 	} else if (strncmp(line, "net", 3) == 0) {
 
-		/* remove the "net" sub string */
-		const char *name = sanei_config_skip_whitespace(line + 3);
+		if (!local_only) {
+			/* remove the "net" sub string */
+			const char *name =
+				sanei_config_skip_whitespace(line + 3);
 
-		if (strncmp(name, "autodiscovery", 13) == 0)
-			e2_network_discovery();
-		else
-			attach_one_net(name);
+			if (strncmp(name, "autodiscovery", 13) == 0)
+				e2_network_discovery();
+			else
+				attach_one_net(name);
+		}
 
 	} else if (strncmp(line, "pio", 3) == 0) {
 
@@ -889,14 +886,14 @@ free_devices(void)
 }
 
 static void
-probe_devices(void)
+probe_devices(SANE_Bool local_only)
 {
 	DBG(5, "%s\n", __func__);
 
 	free_devices();
 
 	sanei_configure_attach(EPSON2_CONFIG_FILE, NULL,
-		attach_one_config);
+		attach_one_config, &local_only);
 }
 
 SANE_Status
@@ -926,14 +923,14 @@ sane_exit(void)
 }
 
 SANE_Status
-sane_get_devices(const SANE_Device ***device_list, SANE_Bool __sane_unused__ local_only)
+sane_get_devices(const SANE_Device ***device_list, SANE_Bool local_only)
 {
 	Epson_Device *dev;
 	int i;
 
 	DBG(5, "%s\n", __func__);
 
-	probe_devices();
+	probe_devices(local_only);
 
 	devlist = malloc((num_devices + 1) * sizeof(devlist[0]));
 	if (!devlist) {
@@ -1336,6 +1333,39 @@ init_options(Epson_Scanner *s)
 	s->opt[OPT_BR_Y].constraint.range = s->hw->y_range;
 	s->val[OPT_BR_Y].w = s->hw->y_range->max;
 
+	/* "Focus" group: */
+	s->opt[OPT_FOCUS_GROUP].title = SANE_I18N("Focus");
+	s->opt[OPT_FOCUS_GROUP].desc = "";
+	s->opt[OPT_FOCUS_GROUP].type = SANE_TYPE_GROUP;
+	s->opt[OPT_FOCUS_GROUP].cap = SANE_CAP_ADVANCED;
+
+	/* autofocus */
+	s->opt[OPT_AUTOFOCUS].name = SANE_NAME_AUTOFOCUS;
+	s->opt[OPT_AUTOFOCUS].title = SANE_TITLE_AUTOFOCUS;
+	s->opt[OPT_AUTOFOCUS].desc = SANE_DESC_AUTOFOCUS;
+	s->opt[OPT_AUTOFOCUS].type = SANE_TYPE_BOOL;
+	s->val[OPT_AUTOFOCUS].w = SANE_FALSE;
+	s->opt[OPT_AUTOFOCUS].cap |= SANE_CAP_ADVANCED;
+
+	/* focus position */
+	s->opt[OPT_FOCUS_POS].name = SANE_NAME_FOCUS;
+	s->opt[OPT_FOCUS_POS].title = SANE_TITLE_FOCUS;
+	s->opt[OPT_FOCUS_POS].desc = SANE_DESC_FOCUS;
+	s->opt[OPT_FOCUS_POS].type = SANE_TYPE_INT;
+	s->opt[OPT_FOCUS_POS].unit = SANE_UNIT_NONE;
+	s->opt[OPT_FOCUS_POS].constraint_type = SANE_CONSTRAINT_RANGE;
+	s->opt[OPT_FOCUS_POS].constraint.range = &focus_range;
+	s->val[OPT_FOCUS_POS].w = FOCUS_ON_GLASS;
+	s->opt[OPT_FOCUS_POS].cap |= SANE_CAP_ADVANCED;
+
+	if (s->hw->focusSupport == SANE_TRUE) {
+		s->opt[OPT_FOCUS_POS].cap &= ~SANE_CAP_INACTIVE;
+		s->opt[OPT_AUTOFOCUS].cap &= ~SANE_CAP_INACTIVE;
+	} else {
+		s->opt[OPT_FOCUS_POS].cap |= SANE_CAP_INACTIVE;
+		s->opt[OPT_AUTOFOCUS].cap |= SANE_CAP_INACTIVE;
+	}
+
 	/* "Optional equipment" group: */
 	s->opt[OPT_EQU_GROUP].title = SANE_I18N("Optional equipment");
 	s->opt[OPT_EQU_GROUP].desc = "";
@@ -1372,22 +1402,6 @@ init_options(Epson_Scanner *s)
 	if (!s->hw->cmd->set_bay)
 		s->opt[OPT_FILM_TYPE].cap |= SANE_CAP_INACTIVE;
 
-	/* focus position */
-	s->opt[OPT_FOCUS].name = SANE_EPSON_FOCUS_NAME;
-	s->opt[OPT_FOCUS].title = SANE_EPSON_FOCUS_TITLE;
-	s->opt[OPT_FOCUS].desc = SANE_EPSON_FOCUS_DESC;
-	s->opt[OPT_FOCUS].type = SANE_TYPE_STRING;
-	s->opt[OPT_FOCUS].size = max_string_size(focus_list);
-	s->opt[OPT_FOCUS].constraint_type = SANE_CONSTRAINT_STRING_LIST;
-	s->opt[OPT_FOCUS].constraint.string_list = focus_list;
-	s->val[OPT_FOCUS].w = 0;
-	s->opt[OPT_FOCUS].cap |= SANE_CAP_ADVANCED;
-
-	if (s->hw->focusSupport == SANE_TRUE)
-		s->opt[OPT_FOCUS].cap &= ~SANE_CAP_INACTIVE;
-	else
-		s->opt[OPT_FOCUS].cap |= SANE_CAP_INACTIVE;
-
 	/* forward feed / eject */
 	s->opt[OPT_EJECT].name = "eject";
 	s->opt[OPT_EJECT].title = SANE_I18N("Eject");
@@ -1470,7 +1484,7 @@ sane_open(SANE_String_Const name, SANE_Handle *handle)
 	/* probe if empty device name provided */
 	if (l == 0) {
 
-		probe_devices();
+		probe_devices(SANE_FALSE);
 
 		if (first_dev == NULL) {
 			DBG(1, "no device detected\n");
@@ -1507,7 +1521,7 @@ sane_open(SANE_String_Const name, SANE_Handle *handle)
 			 */
 
 			if (first_dev == NULL)
-				probe_devices();
+				probe_devices(SANE_FALSE);
 
 			s = device_detect(name, SANE_EPSON_NODEV, 0, &status);
 			if (s == NULL) {
@@ -1646,6 +1660,8 @@ getvalue(SANE_Handle handle, SANE_Int option, void *value)
 	case OPT_THRESHOLD:
 	case OPT_BIT_DEPTH:
 	case OPT_WAIT_FOR_BUTTON:
+	case OPT_AUTOFOCUS:
+	case OPT_FOCUS_POS:
 		*((SANE_Word *) value) = sval->w;
 		break;
 
@@ -1659,7 +1675,6 @@ getvalue(SANE_Handle handle, SANE_Int option, void *value)
 	case OPT_GAMMA_CORRECTION:
 	case OPT_COLOR_CORRECTION:
 	case OPT_BAY:
-	case OPT_FOCUS:
 		strcpy((char *) value, sopt->constraint.string_list[sval->w]);
 		break;
 
@@ -1730,8 +1745,6 @@ change_source(Epson_Scanner *s, SANE_Int optindex, char *value)
 	if (s->hw->need_reset_on_source_change)
 		esci_reset(s);
 
-	s->focusOnGlass = SANE_TRUE;	/* this is the default */
-
 	if (s->val[OPT_SOURCE].w == optindex)
 		return;
 
@@ -1750,7 +1763,7 @@ change_source(Epson_Scanner *s, SANE_Int optindex, char *value)
 		s->hw->use_extension = SANE_TRUE;
 		/* disable film type option */
 		deactivateOption(s, OPT_FILM_TYPE, &dummy);
-		s->val[OPT_FOCUS].w = 0;
+		s->val[OPT_FOCUS_POS].w = FOCUS_ON_GLASS;
 		if (s->hw->duplex) {
 			activateOption(s, OPT_ADF_MODE, &dummy);
 		} else {
@@ -1782,10 +1795,8 @@ change_source(Epson_Scanner *s, SANE_Int optindex, char *value)
 			deactivateOption(s, OPT_FILM_TYPE, &dummy);
 
 		/* enable focus position if the scanner supports it */
-		if (s->hw->cmd->set_focus_position != 0) {
-			s->val[OPT_FOCUS].w = 1;
-			s->focusOnGlass = SANE_FALSE;
-		}
+		if (s->hw->focusSupport)
+			s->val[OPT_FOCUS_POS].w = FOCUS_ABOVE_25MM;
 
 		deactivateOption(s, OPT_ADF_MODE, &dummy);
 		deactivateOption(s, OPT_EJECT, &dummy);
@@ -1798,7 +1809,7 @@ change_source(Epson_Scanner *s, SANE_Int optindex, char *value)
 
 		/* disable film type option */
 		deactivateOption(s, OPT_FILM_TYPE, &dummy);
-		s->val[OPT_FOCUS].w = 0;
+		s->val[OPT_FOCUS_POS].w = FOCUS_ON_GLASS;
 		deactivateOption(s, OPT_ADF_MODE, &dummy);
 	}
 
@@ -1872,7 +1883,6 @@ setvalue(SANE_Handle handle, SANE_Int option, void *value, SANE_Int *info)
 	case OPT_DROPOUT:
 	case OPT_FILM_TYPE:
 	case OPT_BAY:
-	case OPT_FOCUS:
 		sval->w = optindex;	/* Simple lists */
 		break;
 
@@ -1981,6 +1991,11 @@ setvalue(SANE_Handle handle, SANE_Int option, void *value, SANE_Int *info)
 		break;
 	}
 
+	case OPT_AUTOFOCUS:
+		sval->w = *((SANE_Word *) value);
+		setOptionState(s, !sval->w, OPT_FOCUS_POS, &reload);
+		break;
+
 	case OPT_MIRROR:
 	case OPT_AAS:
 	case OPT_PREVIEW:	/* needed? */
@@ -1989,6 +2004,7 @@ setvalue(SANE_Handle handle, SANE_Int option, void *value, SANE_Int *info)
 	case OPT_AUTO_EJECT:
 	case OPT_THRESHOLD:
 	case OPT_WAIT_FOR_BUTTON:
+	case OPT_FOCUS_POS:
 		sval->w = *((SANE_Word *) value);
 		break;
 
@@ -2122,6 +2138,27 @@ sane_start(SANE_Handle handle)
 	if (status != SANE_STATUS_GOOD)
 		return status;
 
+	/*
+	 * set focus after we set scanning parameters because the scanner will
+	 * use the middle of the scanning area for autofocus. If we want to
+	 * support a defined x,y position for autofocus, we'd need to send
+	 * specific scanning paramters just for autofocus.
+	 */
+	if (s->hw->focusSupport == SANE_TRUE) {
+		if (s->val[OPT_AUTOFOCUS].w) {
+			DBG(1, "setting autofocus\n");
+			status = esci_set_focus_position(s, 0xff);
+		} else {
+			DBG(1, "setting focus to %u\n", s->val[OPT_FOCUS_POS].w);
+			status = esci_set_focus_position(s, s->val[OPT_FOCUS_POS].w);
+		}
+
+		if (status != SANE_STATUS_GOOD) {
+			DBG(1, "setting focus failed\n");
+			return status;
+		}
+	}
+
 	/* ESC z, user defined gamma table */
 	if (dev->cmd->set_gamma_table
 	    && gamma_userdefined[s->val[OPT_GAMMA_CORRECTION].w]) {
@@ -2227,6 +2264,12 @@ sane_start(SANE_Handle handle)
 	if (status != SANE_STATUS_GOOD)
 		return status;
 
+	if (s->hw->focusSupport == SANE_TRUE && s->val[OPT_AUTOFOCUS].w) {
+		status = esci_request_focus_position(s, &s->currentFocusPosition);
+		if (status == SANE_STATUS_GOOD)
+			s->val[OPT_FOCUS_POS].w = s->currentFocusPosition;
+	}
+
 	/* start scanning */
 	DBG(1, "%s: scanning...\n", __func__);