解决3288-400和dsp设备600dpi除穿孔失败的问题

hgdriver/hgdev/hg_scanner.cpp

@@ -3136,6 +3136,9 @@ hg_imgproc::IMGPRCPARAM hg_scanner::get_image_process_object(int model)
 		param.width = mat_width;
 		param.height = mat_height;
 	}
+	param.is_sup_real_300dpi_ = firmware_sup_dpi_300;
+	param.is_sup_real_600dpi_ = firmware_sup_dpi_600;
+
 	param.device_7010 = firmware_sup_device_7010;
 	//img_conf_.brightness = (float)bright_;
 	//img_conf_.contrast = (float)contrast_;

hgdriver/hgdev/image_process.cpp

@@ -431,7 +431,22 @@ namespace hg_imgproc
 			int ret = SCANNER_ERR_OK;
 
 			float scale = img_conf_.fillhole.fillholeratio / 100.0;
-			float val = img_conf_.resolution_dst / 10;
+			int dpi = img_conf_.resolution_dst;
+			
+			if (!param_.is_sup_real_300dpi_)
+			{
+				dpi = 200;
+			}
+			else
+			{
+				if (!param_.is_sup_real_600dpi_)
+				{
+					if (dpi >= 300)
+						dpi = 300;
+				}
+			}
+
+			float val = dpi / 10;
 			cv::Vec4f edgeScale;
 			edgeScale[0] = top;
 			edgeScale[1] = low;

hgdriver/hgdev/image_process.h

@@ -153,6 +153,8 @@ namespace hg_imgproc
 		int			width;		// in pixel
 		int			height;		// in pixel
 		unsigned	total_bytes;// total bytes
+		bool		is_sup_real_300dpi_;
+		bool		is_sup_real_600dpi_;
 		bool		device_7010;
 	}IMGPRCPARAM, *LPIMGPRCPARAM;
 	typedef struct _img_header