From 1ea5dda99ad28d900d6a11aa5fe0f16caefc65b5 Mon Sep 17 00:00:00 2001
From: gb <741021719@qq.com>
Date: Sat, 7 Oct 2023 12:41:24 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E5=BC=82=E5=B8=B8=E5=9B=BE?=
 =?UTF-8?q?=E7=89=87=E5=A4=84=E7=90=86=E6=B5=81=E7=A8=8B?=
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---
 sane/scanner.cpp | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/sane/scanner.cpp b/sane/scanner.cpp
index f964640..0be3f70 100644
--- a/sane/scanner.cpp
+++ b/sane/scanner.cpp
@@ -355,6 +355,8 @@ namespace callback
 	int (*apply_given_config)(const char* content, SANE_Handle device, LPSANEAPI api) = NULL;    // 閹煎瓨姊婚弫銈夊箰閸パ呮毎闁汇劌瀚伴崢銈囩磾椤曞棛绀塩ontent濞戞挻妞介崢銈囩磾椤旇姤娈堕柟璇″枟�?
 	char* (*get_config_content)(const char* dev_name, const char* name) = NULL;
 	void (*twain_ui_free)(void* buf) = NULL;
+	void (*pump_ui_message)(void* reserved) = NULL;
+	int (*abnormal_image)(SANE_Image* img) = NULL;			// return SANE_Abnormal_Image_Treat
 
 
 	static int load_dll(const char* path_dll, HMODULE* dll)
@@ -428,6 +430,8 @@ namespace callback
 			GET_API(twain_ui_free);
 			GET_API(apply_given_config);
 			GET_API(get_config_content);
+			GET_API(pump_ui_message);
+			GET_API(abnormal_image);
 		}
 	}
 	static void unint_ui(void)
@@ -443,6 +447,8 @@ namespace callback
 		twain_ui_free = NULL;
 		apply_given_config = NULL;
 		get_config_content = NULL;
+		pump_ui_message = NULL;
+		abnormal_image = NULL;
 		if (hui)
 		{
 			FreeLibrary(hui);
@@ -3529,6 +3535,19 @@ int scanner::handle_device_event(int ev_code, void* data, unsigned int* len)
 		scanned_img* img = NULL;
 		wchar_t	name[40] = { 0 };
 
+		if (simg->flag.statu && callback::abnormal_image)
+		{
+			if (callback::abnormal_image(simg) == SANE_Abnormal_Image_Discard)
+			{
+				wchar_t	info[128] = { 0 };
+
+				swprintf_s(info, _countof(info) - 1, L"Discard image %d for the status is: %d\r\n", simg->src_id, simg->flag.statu);
+				log_info(info, LOG_LEVEL_DEBUG_INFO);
+
+				return 0;
+			}
+		}
+
 		swprintf_s(name, _countof(name) - 1, L"img_%05u.bmp", ++img_ind_);
 		img = new scanned_img(handle_, simg->header, simg->data, simg->bytes, simg->flag.dpi, (tmp_path_ + name).c_str(), xfer_, &img_fmt_);
 		if (img->bytes() /*>= simg->bytes*/)