调整scanimg 在29版本不能使用的问题

hgdriver/hgdev/hg_scanner_239.cpp

@@ -163,6 +163,8 @@ hg_scanner_239::hg_scanner_239(const char* dev_name, int pid,usb_io* io) : hg_sc
 	//if (init_settings(0x239))
 		//init_settings((jsontext1 + jsontext2).c_str());
 	//writedown_device_configuration();		// initialize the hardware settings
+	std::string str = hg_log::get_scanimage_ver();
+	printf("str:%s\r\n",str.c_str());
 	init_version();
 	hg_version_init_handle();
 	wait_devsislock_.notify();

hgdriver/hgdev/scanner_manager.cpp

@@ -153,12 +153,24 @@ void hg_scanner_mgr::set_exe_name(const char* path, const char* name)
 {
     hg_scanner_mgr::pe_path_ = path ? path : "";
     hg_scanner_mgr::pe_name_ = name ? name : "";
+    std::string str = hg_log::get_scanimage_ver();
+    bool is_scanimg =false;
+    if(str >= "1.0.29" )
+        is_scanimg =true;
+    else
+        is_scanimg =false;
+    VLOG_MINI_2(LOG_LEVEL_ALL, "imgascan ver is: %s is_scanimg is:%d\n", str.c_str(),is_scanimg);
     if (name && *name)
     {
-        int ret = system("scanimage -V");
+       // int ret = system("scanimage -V");
         std::string eof(hg_log::ini_get("read_eof", name));
         if (eof.empty())
-            hg_scanner_mgr::read_over_with_eof_ = STRICMP(name, "simple-scan") != 0 && STRICMP(name, "scanimage") != 0 ;
+        {
+            if(is_scanimg)
+                hg_scanner_mgr::read_over_with_eof_ = STRICMP(name, "simple-scan") != 0;
+            else
+                hg_scanner_mgr::read_over_with_eof_ = STRICMP(name, "simple-scan") != 0 && (!is_scanimg? (STRICMP(name, "scanimage") != 0) : 1);
+        }  
         else
             hg_scanner_mgr::read_over_with_eof_ = eof != "0";
     }

hgdriver/wrapper/hg_log.cpp

@@ -99,6 +99,7 @@ class log_cls
 		}
 	}
 
+		
 protected:
 	log_cls() : path_file_(""), file_(0), log_(&log_cls::log_consonle), level_(LOG_LEVEL_ALL), lcb_(NULL)
 	{}
@@ -341,8 +342,28 @@ extern "C"
 
 			return ret;
 		}
-#endif
 
+#endif
+		std::string get_scanimage_ver()
+		{
+			#if defined(WIN32) || defined(_WIN64)
+			return "";
+			#else
+			FILE* fp = NULL;
+			char buf[128] = { 0 };
+			fp = popen("scanimage -V", "r");
+			if (!fp) 
+				return "";
+
+			int ret = fread(buf, 1, sizeof(buf) - 1, fp);
+			if(ret<1)
+				return "";
+
+			pclose(fp);
+			std::string str = buf;
+			return str.substr(str.size()-7);
+			#endif
+		}
 		//static std::string get_scanimage_ver()
 		//{
 		//	FILE* fp = popen("scanimage -V","r");

hgdriver/wrapper/hg_log.h

@@ -55,6 +55,7 @@ extern "C"
         std::string local_data_path(void);
         std::string temporary_path(void);
         std::string log_file_path(void);
+        std::string get_scanimage_ver();
         float GetMemoryUsage(int pid);
         float GetAppMemoryUsage();
         unsigned int get_page_size(unsigned int* map_unit = nullptr);