Printing: Replace PDFtoPrinter with PdfiumViewer

Elwig/Documents/Document.cs

@@ -153,7 +153,7 @@ namespace Elwig.Documents {
 
         public async Task Print(int copies = 1) {
             if (PdfPath == null) throw new InvalidOperationException("Pdf file has not been generated yet");
-            await Pdf.Print(PdfPath, copies);
+            await Pdf.Print(PdfPath, copies, DoublePaged);
         }
 
         public void Show() {

Elwig/Elwig.csproj

@@ -34,6 +34,8 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Ini" Version="8.0.0" />
     <PackageReference Include="Microsoft.Web.WebView2" Version="1.0.2739.15" />
     <PackageReference Include="NJsonSchema" Version="11.0.2" />
+    <PackageReference Include="PdfiumViewer" Version="2.13.0" />
+    <PackageReference Include="PdfiumViewer.Native.x86_64.no_v8-no_xfa" Version="2018.4.8.256" />
     <PackageReference Include="RazorLight" Version="2.3.1" />
     <PackageReference Include="ScottPlot.WPF" Version="5.0.39" />
     <PackageReference Include="System.IO.Ports" Version="8.0.0" />

Elwig/Helpers/Printing/Pdf.cs

@@ -8,15 +8,12 @@ using System.Windows;
 using System.Text.RegularExpressions;
 using System.Linq;
 using System.Net.Sockets;
+using PdfiumViewer;
+using System.Drawing.Printing;
 
 namespace Elwig.Helpers.Printing {
     public static class Pdf {
 
-        private static readonly string PdfToPrinter = new string[] { App.ExePath }
-            .Union(Environment.GetEnvironmentVariable("PATH")?.Split(';') ?? [])
-            .Select(x => Path.Combine(x, "PDFtoPrinter.exe"))
-            .Where(File.Exists)
-            .FirstOrDefault() ?? throw new FileNotFoundException("PDFtoPrinter executable not found");
         private static readonly string WinziPrint = new string[] { App.ExePath }
             .Union(Environment.GetEnvironmentVariable("PATH")?.Split(';') ?? [])
             .Select(x => Path.Combine(x, "WinziPrint.exe"))
@@ -91,21 +88,24 @@ namespace Elwig.Helpers.Printing {
             });
         }
 
-        public static async Task Print(string path, int copies = 1) {
+        public static async Task Print(string path, int copies = 1, bool doublePaged = false) {
+            await Print(path, new() {
+                Copies = (short)copies,
+                Collate = true,
+                Duplex = doublePaged ? Duplex.Vertical : Duplex.Simplex,
+            });
+        }
+
+        public static Task Print(string path, PrinterSettings settings) {
             try {
-                var p = new Process() { StartInfo = new() {
+                using var doc = PdfDocument.Load(path);
-                    FileName = PdfToPrinter,
+                using var printDoc = doc.CreatePrintDocument(PdfPrintMode.CutMargin);
-                    CreateNoWindow = true,
+                printDoc.PrinterSettings = settings;
-                    UseShellExecute = false,
+                printDoc.Print();
-                } };
-                p.StartInfo.ArgumentList.Add(path);
-                p.StartInfo.ArgumentList.Add("/s");
-                p.StartInfo.ArgumentList.Add($"copies={copies}");
-                p.Start();
-                await p.WaitForExitAsync();
             } catch (Exception e) {
                 MessageBox.Show("Beim Drucken ist ein Fehler aufgetreten:\n\n" + e.Message, "Fehler beim Drucken", MessageBoxButton.OK, MessageBoxImage.Error);
             }
+            return Task.CompletedTask;
         }
     }
 }

Elwig/Windows/MailWindow.xaml.cs

@@ -706,8 +706,7 @@ namespace Elwig.Windows {
         private async void PrintButton_Click(object sender, RoutedEventArgs evt) {
             if (PrintDocument == null) return;
             PrintButton.IsEnabled = false;
-            var res = MessageBox.Show($"Sollen {PrintDocument.Pages} Blätter ({PrintDocument.TotalPages} Seiten) gedruckt werden?\n" +
+            var res = MessageBox.Show($"Sollen {PrintDocument.Pages} Blätter ({PrintDocument.TotalPages} Seiten) gedruckt werden?",
-                $"Sind die \"Duplex-Einstellungen\" des Standarddruckers entsprechend eingestellt (doppelseitig bzw. einseitig)?",
                 "Rundschreiben drucken", MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.No);
             if (res == MessageBoxResult.Yes) {
                 Mouse.OverrideCursor = Cursors.AppStarting;

Elwig/fetch-resources.bat

@@ -1,5 +1,4 @@
 ::mkdir "C:\Program Files\Elwig"
-::curl --fail -s -L "https://github.com/emendelson/pdftoprinter/raw/main/PDFtoPrinter.exe" -z "C:\Program Files\Elwig\PDFtoPrinter.exe" -o "C:\Program Files\Elwig\PDFtoPrinter.exe"
 mkdir "C:\ProgramData\Elwig\resources"
 copy /b /y Documents\*.css "C:\ProgramData\Elwig\resources"
 copy /b /y Documents\*.cshtml "C:\ProgramData\Elwig\resources"

Installer/Installer.wixproj

@@ -25,7 +25,6 @@
     </Task>
   </UsingTask>
   <Target Name="CustomBeforeBuild" BeforeTargets="BeforeBuild">
-    <Exec Command="curl --fail -s -L &quot;https://github.com/emendelson/pdftoprinter/raw/main/PDFtoPrinter.exe&quot; -z &quot;$(ProjectDir)\Files\PDFtoPrinter.exe&quot; -o &quot;$(ProjectDir)\Files\PDFtoPrinter.exe&quot;" />
     <Exec Command="dotnet publish &quot;$(ProjectDir)\..\Elwig\Elwig.csproj&quot; &quot;/p:PublishProfile=$(ProjectDir)\..\Elwig\Properties\PublishProfiles\FolderProfile.pubxml&quot;" />
     <GetFileVersion AssemblyPath="..\Elwig\bin\Publish\Elwig.exe">
       <Output TaskParameter="Version" PropertyName="ElwigFileVersion" />
@@ -36,7 +35,6 @@
   </Target>
   <ItemGroup>
     <None Include="Files\config.ini" />
-    <None Include="Files\PDFtoPrinter.exe" />
     <None Include="Files\WinziPrint.exe" />
   </ItemGroup>
 </Project>

Installer/MainComponents.wxs

@@ -10,9 +10,6 @@
       <Component Directory="InstallFolder">
         <File Source="$(ProjectDir)\Files\WinziPrint.exe" Id="WinziPrint.exe"/>
       </Component>
-      <Component Directory="InstallFolder">
-        <File Source="$(ProjectDir)\Files\PDFtoPrinter.exe" Id="PDFtoPrinter.exe"/>
-      </Component>
     </ComponentGroup>
   </Fragment>
 </Wix>