双张状态从获取图片信息的接口sane_get_parameters返回: SCANNER_ERR_DEVICE_DOUBLE_FEEDING

2023-10-13 10:42:43 +08:00 · 2023-10-13 10:42:43 +08:00 · dad78e3b20
parent cc0d64f17d
commit dad78e3b20
1 changed files with 5 additions and 0 deletions
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@ -4010,6 +4010,11 @@ int hg_scanner::get_image_info(SANE_Parameters* ii, int len)
 				iiex->flag.dpi = resolution_;
 				iiex->bytes = imh.bytes;
 			}
+			else if (imh.statu)
+			{
+				if (imh.statu == IMG_STATUS_DOUBLE)
+					ret = SCANNER_ERR_DEVICE_DOUBLE_FEEDING;
+			}
 		}
 	}