update .

HTEXScreen/Controllers/ScreenController.cs

@@ -2,6 +2,7 @@
 using Microsoft.AspNetCore.Mvc;
  
 using PuppeteerSharp;
+using PuppeteerSharp.Media;
 using System.Runtime.InteropServices;
 using System.Text;
 using System.Text.Json;
@@ -175,13 +176,18 @@ namespace HTEXScreen.Controllers
                     Headless = true,
                     Args = new string[] { "--no-sandbox", "--disable-setuid-sandbox" }
                 });
-               
+                double unitPX = 37.7813;
                 ViewPortOptions viewPortOptions = new ViewPortOptions
                 {
-                    Width = screenshot.width,
-                    Height = screenshot.height
+                   // Width = (int)Math.Ceiling(unitPX * 21),
+                  //  Height = (int)Math.Ceiling(unitPX * 29.7 * 1)
                 };
-                PdfOptions pdfOptions = new PdfOptions { DisplayHeaderFooter = true, PreferCSSPageSize =true};
+                //ViewPortOptions viewPortOptions = new ViewPortOptions
+                //{
+                //    Width = screenshot.width,
+                //    Height = screenshot.height
+                //};
+                PdfOptions pdfOptions = new PdfOptions { DisplayHeaderFooter = true,FooterTemplate="", PreferCSSPageSize =true,Format= PaperFormat .A4};
                 //ScreenshotOptions screenshotOptions= new ScreenshotOptions { FullPage = fullPage, BurstMode = true };
                 List<string> urls = new List<string>();
                 
@@ -246,7 +252,7 @@ namespace HTEXScreen.Controllers
             });
             for (int i = 0; i < urls.Count; i++)
             {
-                responses.Add(page_tasks[i].GoToAsync(System.Web.HttpUtility.UrlDecode(urls[i]), WaitUntilNavigation.Networkidle2));
+                responses.Add(page_tasks[i].GoToAsync(urls[i], WaitUntilNavigation.Networkidle2));
             }
             var responses_tasks = await Task.WhenAll(responses);
             //List<Task<Stream>> streams = new List<Task<Stream>>();