First step to exporting trees to PDF (#574)

projects/GKCore/GKCore.csproj

@@ -538,6 +538,7 @@
     <Compile Include="GKCore\Lists\LocationLinksListModel.cs" />
     <Compile Include="GKCore\Interfaces\IScrollableContainer.cs" />
     <Compile Include="GKCore\EventDefinitions.cs" />
+    <Compile Include="GKCore\Types\GKPageSize.cs" />
   </ItemGroup>
   <Import Project="GKCore.props" />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />

projects/GKCore/GKCore/Controllers/TreeChartWinController.cs

@@ -1,6 +1,6 @@
 /*
  *  "GEDKeeper", the personal genealogical database editor.
- *  Copyright (C) 2009-2023 by Sergey V. Zhdanovskih.
+ *  Copyright (C) 2009-2024 by Sergey V. Zhdanovskih.
  *
  *  This file is part of "GEDKeeper".
  *
@@ -18,6 +18,8 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+//#define PDF_RENDER
+
 using System.IO;
 using GDModel;
 using GKCore.Charts;
@@ -277,6 +279,10 @@ public bool SelectedPersonIsReal()
         public async void SaveSnapshot()
         {
             string filters = GKUtils.GetImageFilter(true);
+#if PDF_RENDER
+            filters += "|" + LangMan.LS(LSID.PDFFilter);
+#endif
+
             string fileName = await AppHost.StdDialogs.GetSaveFile("", GlobalOptions.Instance.ImageExportLastDir, filters, 2, "jpg", "");
             if (!string.IsNullOrEmpty(fileName)) {
                 GlobalOptions.Instance.ImageExportLastDir = Path.GetDirectoryName(fileName);

projects/GKCore/GKCore/Export/PDFWriter.cs

@@ -27,6 +27,7 @@
 using BSLib;
 using GKCore.Charts;
 using GKCore.Design.Graphics;
+using GKCore.Types;
 using iTextSharp.text;
 using iTextSharp.text.pdf;
 using it = iTextSharp.text;
@@ -104,6 +105,7 @@ public ExtSizeF GetTextSize(string text)
         private Document fDocument;
         private bool fMulticolumns;
         private PdfWriter fPdfWriter;
+        private GKPageSize fPredefPage;
         private itTable fTable;
         private Stack<ITextElementArray> fStack;
 
@@ -118,6 +120,12 @@ public PDFWriter()
             fBaseFont = BaseFont.CreateFont("FreeSans.ttf", BaseFont.IDENTITY_H, BaseFont.EMBEDDED, BaseFont.CACHED, fontBytes, null);
         }
 
+        public PDFWriter(GKPageSize predefPage, bool albumPage) : this()
+        {
+            fPredefPage = predefPage;
+            fAlbumPage = albumPage;
+        }
+
         protected override void Dispose(bool disposing)
         {
             if (disposing) {
@@ -154,9 +162,36 @@ public override ExtRectF GetPageSize()
 
         public override void BeginWrite()
         {
-            itRectangle pageSize = !fAlbumPage ? PageSize.A4 : PageSize.A4.Rotate();
+            itRectangle pageSize;
+            if (fPredefPage == GKPageSize.None) {
+                pageSize = PageSize.A4;
+            } else {
+                switch (fPredefPage) {
+                    case GKPageSize.A0:
+                        pageSize = PageSize.A0;
+                        break;
+                    case GKPageSize.A1:
+                        pageSize = PageSize.A1;
+                        break;
+                    case GKPageSize.A2:
+                        pageSize = PageSize.A2;
+                        break;
+                    case GKPageSize.A3:
+                        pageSize = PageSize.A3;
+                        break;
+                    case GKPageSize.A4:
+                    default:
+                        pageSize = PageSize.A4;
+                        break;
+                    case GKPageSize.A5:
+                        pageSize = PageSize.A5;
+                        break;
+                }
+            }
+
+            itRectangle pageRect = !fAlbumPage ? pageSize : pageSize.Rotate();
 
-            fDocument = new Document(pageSize, fMargins.Left, fMargins.Right, fMargins.Top, fMargins.Bottom);
+            fDocument = new Document(pageRect, fMargins.Left, fMargins.Right, fMargins.Top, fMargins.Bottom);
             fPdfWriter = PdfWriter.GetInstance(fDocument, new FileStream(fFileName, FileMode.Create, FileAccess.Write));
 
             fDocument.AddTitle(fDocumentTitle);

projects/GKCore/GKCore/Types/GKPageSize.cs

@@ -0,0 +1,27 @@
+/*
+ *  "GEDKeeper", the personal genealogical database editor.
+ *  Copyright (C) 2009-2024 by Sergey V. Zhdanovskih.
+ *
+ *  This file is part of "GEDKeeper".
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace GKCore.Types
+{
+    public enum GKPageSize
+    {
+        None, A0, A1, A2, A3, A4, A5,
+    }
+}

projects/GKv2/GEDKeeper2/GKUI/Components/TreeChartBox.cs

@@ -128,7 +128,7 @@ public TreeChartOptions Options
             }
         }
 
-        public new float Scale
+        public override float Scale
         {
             get { return fModel.Scale; }
         }
@@ -204,7 +204,7 @@ public override void SetRenderer(ChartRenderer renderer)
             fModel.SetRenderer(renderer);
         }
 
-        public void SetScale(float value)
+        public override void SetScale(float value)
         {
             fModel.Scale = value;
 

projects/GKv2/GKComponents/GKUI/Components/CustomChart.cs

@@ -1,6 +1,6 @@
 /*
  *  "GEDKeeper", the personal genealogical database editor.
- *  Copyright (C) 2009-2023 by Sergey V. Zhdanovskih.
+ *  Copyright (C) 2009-2024 by Sergey V. Zhdanovskih.
  *
  *  This file is part of "GEDKeeper".
  *
@@ -26,6 +26,8 @@
 using GKCore;
 using GKCore.Charts;
 using GKCore.Design.Graphics;
+using GKCore.Export;
+using GKCore.Types;
 using GKUI.Platform.Handlers;
 
 namespace GKUI.Components
@@ -38,6 +40,11 @@ public abstract class CustomChart : ScrollablePanel, IPrintable
 
         public event EventHandler NavRefresh;
 
+        public new virtual float Scale
+        {
+            get { return 0; }
+        }
+
 
         protected CustomChart()
         {
@@ -52,6 +59,10 @@ protected CustomChart()
             fNavman = new NavigationStack<object>();
         }
 
+        public virtual void SetScale(float value)
+        {
+        }
+
         protected override bool IsInputKey(Keys keyData)
         {
             switch (keyData) {
@@ -216,8 +227,6 @@ public IImage GetPrintableImage()
             return new ImageHandler(image);
         }
 
-        /* TODO(zsv): Need to find an appropriate icon in the general style
-         * for the main toolbar - screenshot capture for windows with charts. */
         public void SaveSnapshot(string fileName)
         {
             string ext = FileHelper.GetFileExtension(fileName);
@@ -239,6 +248,34 @@ public void SaveSnapshot(string fileName)
                     SetRenderer(prevRenderer);
                 }
 
+                return;
+            } else if (ext == ".pdf") {
+                var prevRenderer = fRenderer;
+
+                var pdfWriter = new PDFWriter(GKPageSize.A4, true);
+                pdfWriter.SetFileName(fileName);
+                pdfWriter.BeginWrite();
+
+                var renderer = pdfWriter.GetPageRenderer();
+                SetRenderer(renderer);
+
+                var pageSize = pdfWriter.GetPageSize();
+                var sf = GfxHelper.ZoomToFit(imageSize.Width, imageSize.Height, pageSize.GetWidth(), pageSize.GetHeight());
+                var prevScale = this.Scale;
+                if (sf < 1.0f) this.SetScale(sf);
+
+                renderer.BeginDrawing();
+                try {
+                    //GenChart(indi.IRec, indi.TreeKind, false);
+                    RenderImage(RenderTarget.Printer);
+                } finally {
+                    renderer.EndDrawing();
+                    pdfWriter.EndWrite();
+
+                    SetRenderer(prevRenderer);
+                    this.SetScale(prevScale);
+                }
+
                 return;
             }