Updated as v24.5.0

Author: fileformat-slides-gists

FileFormat.Slides-Test/Program.cs

@@ -384,6 +384,14 @@ static void Main()
         slide.AddComment(comment1);
         presentation.Save();
         */
+        /*
+        Presentation presentation = Presentation.Open("D:\\AsposeSampleData\\test.pptx");
+        Slide slide = presentation.GetSlides()[0];
+      
+        //slide.AddNote("Serious Note");
+        //presentation.GetSlides()[1].AddNote("Light Note");
+        //presentation.SaveAllNotesToTextFile("D:\\AsposeSampleData\\Notes.txt");
+        presentation.Save();*/
     }
 
 }

FileFormat.Slides.Facade/PresentationDocumentFacade.cs

@@ -458,6 +458,37 @@ public void ExtractAndSaveImages (string outputFolder)
 
         }
 
+        public String GetSlideRelationshipId(SlidePart slidePart)
+        {
+            return _PresentationPart.GetIdOfPart(slidePart);
+        }
+        public void SaveAllNotesToTextFile(string filePath)
+        {
+            // Create or overwrite the file
+            using (StreamWriter writer = new StreamWriter(filePath))
+            {
+                int slideIndex = 1;
+                // Iterate through each slide
+                foreach (SlidePart slidePart in _PresentationPart.SlideParts)
+                {
+                    // Check if the slide has notes
+                    if (slidePart.NotesSlidePart != null)
+                    {
+                        // Access the notes slide
+                        NotesSlide notesSlide = slidePart.NotesSlidePart.NotesSlide;
+
+                        // Get text from notes slide
+                        string noteText = notesSlide.Descendants<D.Text>().Select(t => t.Text).FirstOrDefault();
+
+                        // Write notes text to file
+                        writer.WriteLine($"Slide {slideIndex}:");
+                        writer.WriteLine(noteText);
+                        writer.WriteLine();
+                        slideIndex++;
+                    }
+                }
+            }
+        }
         public String RemoveSlide (int index)
         {
 

FileFormat.Slides.Facade/SlideFacade.cs

@@ -35,6 +35,8 @@ public class SlideFacade
 
         private SlideCommentsPart _CommentPart;
 
+        private NotesSlidePart _NotesPart;
+
         public Slide PresentationSlide { get => _PresentationSlide; set => _PresentationSlide = value; }
         public string RelationshipId { get => _RelationshipId; set => _RelationshipId = value; }
         public SlidePart SlidePart { get => _SlidePart; set => _SlidePart = value; }
@@ -45,6 +47,7 @@ public class SlideFacade
         public List<TableFacade> TableFacades { get => _TableFacades; set => _TableFacades = value; }
         public CommentAuthorsPart CommentAuthorPart { get => _CommentAuthorPart; set => _CommentAuthorPart = value; }
         public SlideCommentsPart CommentPart { get => _CommentPart; set => _CommentPart = value; }
+        public NotesSlidePart NotesPart { get => _NotesPart; set => _NotesPart = value; }
 
         public SlideFacade (bool isNewSlide)
         {
@@ -210,6 +213,67 @@ public TextShapeFacade AddTextShape ( List<TextSegmentFacade> textSegmentFacades
             return textShapeFacade;
         }
 
+        public void AddNote(String noteText)
+        {
+            var relId = _RelationshipId;
+           
+            NotesSlidePart notesSlidePart1;
+            string existingSlideNote = noteText;
+
+            if (_SlidePart.NotesSlidePart != null)
+            {
+                //Appened new note to existing note.
+                existingSlideNote = _SlidePart.NotesSlidePart.NotesSlide.InnerText + "\n" + noteText;
+                //var val = (NotesSlidePart)_SlidePart.GetPartById(relId);
+                //var val = _SlidePart.NotesSlidePart;
+                notesSlidePart1 = _NotesPart;
+            }
+            else
+            {
+                //Add a new noteto a slide.                      
+                notesSlidePart1 = _SlidePart.AddNewPart<NotesSlidePart>(relId);
+            }
+
+            NotesSlide notesSlide = new NotesSlide(
+                new CommonSlideData(new ShapeTree(
+                  new P.NonVisualGroupShapeProperties(
+                    new P.NonVisualDrawingProperties() { Id = (UInt32Value)1U, Name = "" },
+                    new P.NonVisualGroupShapeDrawingProperties(),
+                    new ApplicationNonVisualDrawingProperties()),
+                    new GroupShapeProperties(new D.TransformGroup()),
+                    new P.Shape(
+                        new P.NonVisualShapeProperties(
+                            new P.NonVisualDrawingProperties() { Id = (UInt32Value)2U, Name = "Slide Image Placeholder 1" },
+                            new P.NonVisualShapeDrawingProperties(new D.ShapeLocks() { NoGrouping = true, NoRotation = true, NoChangeAspect = true }),
+                            new ApplicationNonVisualDrawingProperties(new PlaceholderShape() { Type = PlaceholderValues.SlideImage })),
+                        new P.ShapeProperties()),
+                    new P.Shape(
+                        new P.NonVisualShapeProperties(
+                            new P.NonVisualDrawingProperties() { Id = (UInt32Value)3U, Name = "Notes Placeholder 2" },
+                            new P.NonVisualShapeDrawingProperties(new D.ShapeLocks() { NoGrouping = true }),
+                            new ApplicationNonVisualDrawingProperties(new PlaceholderShape() { Type = PlaceholderValues.Body, Index = (UInt32Value)1U })),
+                        new P.ShapeProperties(),
+                        new P.TextBody(
+                            new D.BodyProperties(),
+                            new D.ListStyle(),
+                            new D.Paragraph(
+                                new D.Run(
+                                    new D.RunProperties() { Language = "en-US", Dirty = false },
+                                    new D.Text() { Text = existingSlideNote }),
+                                new D.EndParagraphRunProperties() { Language = "en-US", Dirty = false }))
+                            ))),
+                new ColorMapOverride(new D.MasterColorMapping()));
+
+            notesSlidePart1.NotesSlide = notesSlide;
+        }
+        public void RemoveNote()
+        {
+            if (_SlidePart.NotesSlidePart != null)
+            {
+                // Clear the existing notes.
+                _SlidePart.DeletePart(_SlidePart.NotesSlidePart);
+            }
+        }
         public void  AddImage (ImageFacade picture )
         {
             _PresentationSlide.CommonSlideData.ShapeTree.Append(picture.Image);

FileFormat.Slides/Presentation.cs

@@ -156,14 +156,16 @@ public List<Slide> GetSlides ()
                 foreach (var slidepart in doc.PresentationSlideParts)
                 {
                     var slide = new Slide(false);
-
+                    
                     SlideFacade slideFacade = new SlideFacade(false);
                     slideFacade.TextShapeFacades = TextShapeFacade.PopulateTextShapes(slidepart);
                     slideFacade.ImagesFacade = ImageFacade.PopulateImages(slidepart);
                     slideFacade.PresentationSlide = slidepart.Slide;
                     slideFacade.TableFacades= TableFacade.PopulateTables(slidepart);
                     slideFacade.SlidePart = slidepart;
                     slideFacade.CommentPart = slidepart.SlideCommentsPart;
+                    slideFacade.NotesPart = slidepart.NotesSlidePart;
+                    slideFacade.RelationshipId = doc.GetSlideRelationshipId(slidepart);
                     slide.TextShapes = TextShape.GetTextShapes(slideFacade.TextShapeFacades);
                     slide.Images = Image.GetImages(slideFacade.ImagesFacade);
                     slide.Tables = Table.GetTables(slideFacade.TableFacades);
@@ -219,6 +221,15 @@ public void InsertSlideAt (int index, Slide slide)
             slide.SlideFacade.SlideIndex = index;
             doc.InsertSlide(index, slide.SlideFacade);
         }
+
+        /// <summary>
+        /// This method exports all existing notes of a PPT/PPTX to TXT file.
+        /// </summary>
+        /// <param name="filePath"> File path where to save TXT file</param>
+        public void SaveAllNotesToTextFile(string filePath)
+        {
+            doc.SaveAllNotesToTextFile(filePath);
+        }
         /// <summary>
         /// Method to save the new or changed presentation.
         /// </summary>

FileFormat.Slides/Slide.cs

@@ -78,7 +78,7 @@ public Slide ()
             }
             catch (Exception ex)
             {
-                string errorMessage = Common.FileFormatException.ConstructMessage(ex, "Initialing slide");
+                string errorMessage = Common.FileFormatException.ConstructMessage(ex, "Initializing slide");
                 throw new Common.FileFormatException(errorMessage, ex);
             }
 
@@ -132,7 +132,21 @@ public void AddTextShapes (TextShape textShape)
                 throw new Common.FileFormatException(errorMessage, ex);
             }
         }
-
+        /// <summary>
+        /// Method to add/update note to a slide
+        /// </summary>
+        /// <param name="noteText">Text you want to add as note</param>
+        public void AddNote(String noteText)
+        {
+            _SlideFacade.AddNote(noteText);
+        }
+        /// <summary>
+        /// Method to remove Notes of a slide
+        /// </summary>
+        public void RemoveNote()
+        {
+            _SlideFacade.RemoveNote();
+        }
         public void AddTextShapes (TextShape textShape, List<TextSegment> textSegments)
         {
             try