+ iText can read bold&italic style of an outline but can not write it due to a partial check.

Author: anezih

PdfMetadataEditor/PdfMetadataEditor/Backends/PdfEditor_iText.cs

@@ -16,7 +16,7 @@ public class PdfEditor_iText : IPdfEditor
     public bool IsCreated { get; set; } = false;
     public bool IsBoldOutlineSupported { get; } = true;
     public bool IsItalicOutlineSupported { get; } = true;
-    public bool IsBoldItalicOutlineSupported { get; } = false;
+    public bool IsBoldItalicOutlineSupported { get; } = true;
 
     public int LastPageNumber => pdfDocument!.GetNumberOfPages();
 
@@ -64,6 +64,7 @@ public List<Entry> GetOutline()
                 PageNo = GetPageNumberFromDestination(topLevel),
                 IsBold = topLevel.GetStyle() == 2,
                 IsItalic = topLevel.GetStyle() == 1,
+                IsBoldItalic = topLevel.GetStyle() == 3,
             };
             entries.Add(entry);
             stack.Push((topLevel, entry));
@@ -92,9 +93,9 @@ public List<Entry> GetOutline()
 
     private int GetPdfOutlineStyle(Entry entry)
     {
-        int style = !(entry.IsBold | entry.IsItalic)
+        int style = !(entry.IsBold | entry.IsItalic | entry.IsBoldItalic)
             ? 0
-            : (entry.IsBold ? 2 : entry.IsItalic ? 1 : 0);
+            : (entry.IsBold ? 2 : entry.IsItalic ? 1 : entry.IsBoldItalic ? 3 : 0);
         return style;
     }
 

PdfMetadataEditor/PdfMetadataEditor/Pages/Home.razor.cs

@@ -289,25 +289,35 @@ private async Task ImportChanges(IEnumerable<FluentInputFileEventArgs> files)
         }
     }
 
+    public enum OutlineStyleSupport
+    {
+        None = 0,
+        ReadOnly = 1,
+        ReadWrite = 2,
+    }
+
     public class BackendStyleSupport()
     {
         [Display(Name = "Backend")]
         public string? Backend { get; set; }
+        
         [Display(Name = "Bold")]
-        public bool Bold { get; set; }
+        public OutlineStyleSupport Bold { get; set; }
+        
         [Display(Name = "Italic")]
-        public bool Italic { get; set; }
+        public OutlineStyleSupport Italic { get; set; }
+        
         [Display(Name = "Bold & Italic")]
-        public bool BoldItalic { get; set; }
+        public OutlineStyleSupport BoldItalic { get; set; }
     }
 
     public IQueryable<BackendStyleSupport> GetBackendStyleSupport()
     {
         return new[]
         {
-            new BackendStyleSupport() { Backend = "iText", Bold = true, Italic = true, BoldItalic = false },
-            new BackendStyleSupport() { Backend = "PdfSharpCore", Bold = true, Italic = true, BoldItalic = true },
-            new BackendStyleSupport() { Backend = "MuPDF.js", Bold = false, Italic = false, BoldItalic = false },
+            new BackendStyleSupport() { Backend = "iText", Bold = OutlineStyleSupport.ReadWrite, Italic = OutlineStyleSupport.ReadWrite, BoldItalic = OutlineStyleSupport.ReadOnly },
+            new BackendStyleSupport() { Backend = "PdfSharpCore", Bold = OutlineStyleSupport.ReadWrite, Italic = OutlineStyleSupport.ReadWrite, BoldItalic = OutlineStyleSupport.ReadWrite },
+            new BackendStyleSupport() { Backend = "MuPDF.js", Bold = OutlineStyleSupport.None, Italic = OutlineStyleSupport.None, BoldItalic = OutlineStyleSupport.None },
         }.AsQueryable();
     }