From: Bastian Dehn <hhaalo@arcor.de>
Date: Sat, 27 Jan 2024 18:23:32 +0000 (+0100)
Subject: add constraint for binarization contrast and mode
X-Git-Tag: v1.0.0^2~418
X-Git-Url: https://gitweb.hhaalo.de/?a=commitdiff_plain;h=00c6829a1b9087712d330e8de61e3ebf186e458d;p=sane-kds-s2000w-net.git

add constraint for binarization contrast and mode
---

diff --git a/src/kds_s2000w_net.c b/src/kds_s2000w_net.c
index 32fc31b..c505168 100644
--- a/src/kds_s2000w_net.c
+++ b/src/kds_s2000w_net.c
@@ -320,16 +320,23 @@ const SANE_Option_Descriptor* _sane_kds_s2000w_net_get_option_descriptor(
 			option_descriptors[option].title = "binarizationmode";
 			option_descriptors[option].desc = "binarizationmode";
 			option_descriptors[option].cap = SANE_CAP_SOFT_DETECT;
-			option_descriptors[option].constraint_type = SANE_CONSTRAINT_NONE;
-			option_descriptors[option].constraint.string_list = NULL;
+			option_descriptors[option].constraint_type = SANE_CONSTRAINT_STRING_LIST;
+			SANE_String_Const* constraint_binarization_mode = malloc(sizeof(char*) * 2);
+			constraint_binarization_mode[0] = "iThresholding";
+			constraint_binarization_mode[1] = NULL;
+			option_descriptors[option].constraint.string_list = constraint_binarization_mode;
 			break;
 		case 20:
 			option_descriptors[option].name = "binarizationcontrast";
 			option_descriptors[option].title = "binarizationcontrast";
 			option_descriptors[option].desc = "binarizationcontrast";
-			option_descriptors[option].cap = SANE_CAP_SOFT_DETECT;
-			option_descriptors[option].constraint_type = SANE_CONSTRAINT_NONE;
-			option_descriptors[option].constraint.string_list = NULL;
+			option_descriptors[option].cap = SANE_CAP_SOFT_DETECT | SANE_CAP_SOFT_SELECT;
+			option_descriptors[option].constraint_type = SANE_CONSTRAINT_RANGE;
+			SANE_Range* constraint_binarization_contrast = malloc(sizeof(SANE_Range));
+			constraint_binarization_contrast->min = -50;
+			constraint_binarization_contrast->max = 50;
+			constraint_binarization_contrast->quant = 1;
+			option_descriptors[option].constraint.range = constraint_binarization_contrast;
 			break;
 		case 21:
 			option_descriptors[option].name = "maxdocumentlength";