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using DSWeb.Areas.MvcShipping.DB;
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using DSWeb.MvcShipping.Comm;
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using Newtonsoft.Json;
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using org.apache.pdfbox.cos;
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using org.apache.pdfbox.pdmodel;
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using org.apache.pdfbox.pdmodel.common;
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using org.apache.pdfbox.util;
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.IO;
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using System.Linq;
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using System.Runtime.Caching;
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using System.Text;
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using System.Web;
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using System.Web.Mvc;
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using DSWeb.SoftMng.Filter;
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namespace DSWeb.MvcShipping.Controllers
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{
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public class OcrController : Controller
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{
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private static readonly string ocrFilePath = "ocr_temp_files";
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private static readonly string[] allowExts = new string[] { ".pdf", ".xls", ".xlsx", ".doc", ".docx",".rtf" };
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//private static readonly int ImageScale = 1;
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private static readonly int CacheExpire = 5;//缓存到期分钟
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[HttpGet]
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public ActionResult UpOcrAuto(string errMsg)
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{
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ViewData["errMsg"] = errMsg;
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return View();
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}
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[HttpPost]
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public ActionResult UpOcrFile(float scale = 1.5f)
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{
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if (Request.Files.Count > 0)
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{
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var ext = Path.GetExtension(Request.Files[0].FileName).ToLower();
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if (!allowExts.Contains(ext))
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{
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return RedirectToAction("UpOcrAuto", new { errMsg = "只能上传pdf、excel和word文件！" });
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}
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var ocrDir = Server.MapPath($"~/{ocrFilePath}");
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if (!Directory.Exists(ocrDir))
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{
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Directory.CreateDirectory(ocrDir);
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}
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var tmpFileName = Guid.NewGuid().ToString();
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var saveFilePathName = Path.Combine(ocrDir, tmpFileName + ext);
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Request.Files[0].SaveAs(saveFilePathName);
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if (ext == ".xls" || ext == ".xlsx")
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{
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Aspose.Cells.Workbook wb = new Aspose.Cells.Workbook(saveFilePathName);
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string targetPath = Path.Combine(ocrDir, $"{tmpFileName}.pdf");
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wb.Save(targetPath, Aspose.Cells.SaveFormat.Pdf);
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}
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else if (ext == ".doc" || ext == ".docx" || ext == ".rtf")
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{
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Aspose.Words.Document doc = new Aspose.Words.Document(saveFilePathName);
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string targetPath = Path.Combine(ocrDir, $"{tmpFileName}.pdf");
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doc.Save(targetPath, Aspose.Words.SaveFormat.Pdf);
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}
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ReadPdf(tmpFileName, scale);
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#region 挂载到单据管理
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var BSNO = Request.Form["BSNO"];
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var CUSTID = Guid.NewGuid().ToString();
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var path = Server.MapPath("../../UploadFiles/MsOpFiles/" + CUSTID);
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if (!Directory.Exists(path))
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{
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Directory.CreateDirectory(path);
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}
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var size = Request.Files[0].ContentLength;
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var name = Path.GetFileName(Request.Files[0].FileName);
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var usercode = Convert.ToString(Session["USERCODE"]);
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var partname = usercode + DateTime.Now.ToString("yyyyMMddHHmmssfff") + name;
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string filename = path + "\\" + partname;
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string filenameURL = "../../UploadFiles/MsOpFiles/" + CUSTID + "/" + partname;
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if (System.IO.File.Exists(filename))
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{
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System.IO.File.Delete(filename);
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}
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Request.Files[0].SaveAs(filename);
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ReceiptContext receiptContext = new ReceiptContext();
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Receipt_Doc recDoc = new Receipt_Doc();
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recDoc.GID = Guid.NewGuid().ToString();
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recDoc.BSNO = BSNO;
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recDoc.URL = name;
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recDoc.Driect_URL = filenameURL;
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recDoc.MODIFIEDUSER = Convert.ToString(Session["USERID"]);
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recDoc.MODIFIEDTIME = DateTime.Now;
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recDoc.RECEIPTTYPE = string.Empty;
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recDoc.documentAttachedCode = string.Empty;
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recDoc.documentAttachedNo = string.Empty;
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receiptContext.ReceiptDocs.Add(recDoc);
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receiptContext.SaveChanges();
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#endregion
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return RedirectToAction("SelectRegion", new { fileName = tmpFileName });
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}
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return RedirectToAction("UpOcrAuto");
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}
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[HttpGet]
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public ActionResult SelectRegion(string fileName)
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{
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ViewData["FileName"] = fileName;
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return View();
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}
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[HttpGet]
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public ActionResult UpOcrAutoAir(string errMsg)
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{
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ViewData["errMsg"] = errMsg;
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return View();
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}
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[HttpPost]
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public ActionResult UpOcrFileAir(float scale = 1.5f)
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{
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if (Request.Files.Count > 0)
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{
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var ext = Path.GetExtension(Request.Files[0].FileName).ToLower();
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if (!allowExts.Contains(ext))
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{
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return RedirectToAction("UpOcrAuto", new { errMsg = "只能上传pdf、excel和word文件！" });
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}
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var ocrDir = Server.MapPath($"~/{ocrFilePath}");
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if (!Directory.Exists(ocrDir))
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{
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Directory.CreateDirectory(ocrDir);
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}
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var tmpFileName = Guid.NewGuid().ToString();
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var saveFilePathName = Path.Combine(ocrDir, tmpFileName + ext);
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Request.Files[0].SaveAs(saveFilePathName);
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if (ext == ".xls" || ext == ".xlsx")
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{
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Aspose.Cells.Workbook wb = new Aspose.Cells.Workbook(saveFilePathName);
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string targetPath = Path.Combine(ocrDir, $"{tmpFileName}.pdf");
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wb.Save(targetPath, Aspose.Cells.SaveFormat.Pdf);
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}
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else if (ext == ".doc" || ext == ".docx" || ext == ".rtf")
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{
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Aspose.Words.Document doc = new Aspose.Words.Document(saveFilePathName);
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string targetPath = Path.Combine(ocrDir, $"{tmpFileName}.pdf");
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doc.Save(targetPath, Aspose.Words.SaveFormat.Pdf);
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}
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ReadPdf(tmpFileName, scale);
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#region 挂载到单据管理
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var BSNO = Request.Form["BSNO"];
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var CUSTID = Guid.NewGuid().ToString();
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var path = Server.MapPath("../../UploadFiles/MsOpFiles/" + CUSTID);
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if (!Directory.Exists(path))
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{
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Directory.CreateDirectory(path);
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}
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var size = Request.Files[0].ContentLength;
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var name = Path.GetFileName(Request.Files[0].FileName);
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var usercode = Convert.ToString(Session["USERCODE"]);
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var partname = usercode + DateTime.Now.ToString("yyyyMMddHHmmssfff") + name;
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string filename = path + "\\" + partname;
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string filenameURL = "../../UploadFiles/MsOpFiles/" + CUSTID + "/" + partname;
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if (System.IO.File.Exists(filename))
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{
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System.IO.File.Delete(filename);
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}
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Request.Files[0].SaveAs(filename);
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ReceiptContext receiptContext = new ReceiptContext();
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Receipt_Doc recDoc = new Receipt_Doc();
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recDoc.GID = Guid.NewGuid().ToString();
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recDoc.BSNO = BSNO;
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recDoc.URL = name;
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recDoc.Driect_URL = filenameURL;
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recDoc.MODIFIEDUSER = Convert.ToString(Session["USERID"]);
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recDoc.MODIFIEDTIME = DateTime.Now;
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recDoc.RECEIPTTYPE = string.Empty;
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recDoc.documentAttachedCode = string.Empty;
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recDoc.documentAttachedNo = string.Empty;
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receiptContext.ReceiptDocs.Add(recDoc);
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receiptContext.SaveChanges();
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#endregion
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return RedirectToAction("SelectRegionAir", new { fileName = tmpFileName });
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}
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return RedirectToAction("UpOcrAutoAir");
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}
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[HttpGet]
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public ActionResult SelectRegionAir(string fileName)
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{
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ViewData["FileName"] = fileName;
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return View();
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}
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[HttpPost]
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public ContentResult GetRegionText(string fileName, int x, int y, int w, int h, float scale = 1.5f)
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{
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if (!MemoryCache.Default.Contains(fileName))
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{
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ReadPdf(fileName, scale);
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}
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dynamic obj = MemoryCache.Default[fileName];
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if (obj != null)
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{
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Rectangle rectMouse = new Rectangle(x, y, w, h);
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List<TextSizeLocation> listTextLocations = obj.Result;
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Size size = obj.Size;
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StringBuilder sb = new StringBuilder();
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int lastY = 0;
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foreach (var item in listTextLocations)
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{
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int xItem = (int)(item.X * scale);
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int yItem = (int)(size.Height * scale - item.Y * scale);
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int wItem = (int)(item.Width * scale);
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int hItem = (int)(item.Height * scale);
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Rectangle rect = new Rectangle(xItem, yItem, wItem, hItem);
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if (rect.IntersectsWith(rectMouse))
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{
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if (lastY != 0 && Math.Abs(lastY - item.Y) > 1)
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{
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sb.AppendLine();
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}
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sb.Append(item.Text);
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lastY = (int)item.Y;
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}
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}
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return Content(sb.ToString());
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}
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return Content("");
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}
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[HttpGet]
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public ActionResult GetCanvasImage(string fileName, float scale = 1.5f)
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{
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var ocrDir = Server.MapPath($"~/{ocrFilePath}");
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var imgPath = Path.Combine(ocrDir, $"{fileName}_{scale}.jpg");
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if (!System.IO.File.Exists(imgPath))
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{
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dynamic obj = MemoryCache.Default[fileName];
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if (obj != null)
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{
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Size size = obj.Size;
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DrawImg((int)(size.Width * scale), (int)(size.Height * scale), fileName, scale);
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}
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}
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if (System.IO.File.Exists(imgPath))
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{
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return File(imgPath, "image/jpg");
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}
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return null;
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}
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private void ReadPdf(string fileName, float scale)
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{
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var ocrDir = Server.MapPath($"~/{ocrFilePath}");
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var pdfFileName = System.IO.Path.Combine(ocrDir, fileName + ".pdf");
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if (!System.IO.File.Exists(pdfFileName))
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{
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return;
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}
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PDDocument document = PDDocument.load(pdfFileName);
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PrintTextLocations printer = new PrintTextLocations();
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java.util.List allPages = document.getDocumentCatalog().getAllPages();
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PDPage page = (PDPage)allPages.get(0);
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PDStream contents = page.getContents();
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if (contents != null)
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{
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printer.processStream(page, page.findResources(), page.getContents().getStream());
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//处理
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var listT = new List<TextSizeLocation>();
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TextSizeLocation t = null;
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foreach (var item in printer.TextWithLocations)
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{
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if (t == null)
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{
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t = item.Clone();
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listT.Add(t);
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}
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else
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{
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if (Math.Abs(t.Width + t.X - item.X) <= item.Width / 2 && Math.Abs(t.Height - item.Height) <= 1) //首尾相接
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{
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t.Width += item.Width;
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t.Text += item.Text;
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}
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else
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{
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t = item.Clone();
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listT.Add(t);
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}
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}
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}
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var query = from it in listT orderby it.Y descending, it.X select it;
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listT = query.ToList();
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//缓存
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MemoryCache.Default.Remove(fileName);
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var objStore = new { Size = new Size((int)page.findCropBox().getWidth(), (int)page.findCropBox().getHeight()), Result = listT };
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MemoryCache.Default.Add(new CacheItem(fileName, objStore), new CacheItemPolicy() { AbsoluteExpiration = new DateTimeOffset(DateTime.Now.AddMinutes(CacheExpire)) });
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DrawImg((int)(page.findCropBox().getWidth() * scale), (int)(page.findCropBox().getHeight() * scale), fileName, scale);
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}
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document.close();
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}
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private void DrawImg(int width, int height, string fileName, float scale)
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{
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var ocrDir = Server.MapPath($"~/{ocrFilePath}");
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Bitmap bitmap = new Bitmap(width, height);
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Graphics graphics = Graphics.FromImage(bitmap);
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graphics.Clear(Color.White);
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dynamic obj = MemoryCache.Default[fileName];
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if (obj != null)
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{
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List<TextSizeLocation> listTextLocations = obj.Result;
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Size size = obj.Size;
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Random rnd = new Random();
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foreach (var item in listTextLocations)
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{
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float textSize = GetMatchTextSize(item.Width * scale, item.Height * scale, item.Text);
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graphics.DrawString(item.Text, new Font("黑体", textSize), Brushes.Black, item.X * scale, bitmap.Height - item.Y * scale);
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}
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var imgPath = Path.Combine(ocrDir, $"{fileName}_{scale}.jpg");
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bitmap.Save(imgPath);
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}
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}
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private float GetMatchTextSize(float width, float height, string str)
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{
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float plus = 0.1f;
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float rtn = 1;
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Bitmap bm = new Bitmap(1, 1);
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Graphics g = Graphics.FromImage(bm);
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for (float i = 1; i < 100; i += plus)
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{
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var font = new Font("黑体", i);
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SizeF size = g.MeasureString(str, font);
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//if (size.Width > width || size.Height > height)
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if (size.Width > width)
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//if (size.Height > height)
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{
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if (i > 1)
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{
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rtn = i - plus;
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}
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break;
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}
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}
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return rtn;
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}
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}
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public class TextSizeLocation
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{
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public TextSizeLocation() { }
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public TextSizeLocation(float x, float y, float width, float height, string text)
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{
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this.X = x;
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this.Y = y;
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this.Width = width;
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this.Height = height;
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this.Text = text;
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}
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public float X { get; set; }
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public float Y { get; set; }
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public float Width { get; set; }
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public float Height { get; set; }
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public string Text { get; set; }
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public TextSizeLocation Clone()
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{
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return new TextSizeLocation()
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{
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X = this.X,
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Y = this.Y,
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Width = this.Width,
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Height = this.Height,
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Text = this.Text
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};
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}
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}
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public class PrintTextLocations : PDFTextStripper
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{
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public List<TextSizeLocation> TextWithLocations { get; set; }
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public List<TextPosition> TextPositions { get; set; }
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public PrintTextLocations()
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{
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this.TextWithLocations = new List<TextSizeLocation>();
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this.TextPositions = new List<TextPosition>();
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}
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public override void processStream(PDPage aPage, PDResources resources, COSStream cosStream)
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{
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this.TextWithLocations.Clear();
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this.TextPositions.Clear();
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base.processStream(aPage, resources, cosStream);
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}
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protected override void processTextPosition(TextPosition text)
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|
{
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|
this.TextPositions.Add(text);
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|
this.TextWithLocations.Add(new TextSizeLocation(text.getTextPos().getXPosition(), text.getTextPos().getYPosition(), text.getWidth(), text.getHeight(), text.getCharacter()));
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}
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}
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} |