Changeset 10797 for branches/HeuristicLab.EvolutionTracking/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views

Timestamp:

05/05/14 17:04:25 (10 years ago)

Author:

bburlacu

Message:

#1772: Added text labels to SymbolicExpressionTreeTiles so that the generation number is also displayed.

File:

• branches/HeuristicLab.EvolutionTracking/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views/3.4/SymbolicExpressionTreeTile.cs (modified) (6 diffs)

branches/HeuristicLab.EvolutionTracking/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views/3.4/SymbolicExpressionTreeTile.cs

@@ -24 +24 @@
 using System.Drawing;
 using System.Drawing.Drawing2D;
+using System.Drawing.Text;
 using System.Linq;
 using HeuristicLab.Common;
@@ -38 +39 @@
     public int PreferredNodeWidth { get; set; }
     public int PreferredNodeHeight { get; set; }
+
+    private const int labelHeight = 30;
+
     public ReingoldTilfordLayoutEngine<ISymbolicExpressionTreeNode> LayoutEngine { get; set; }
     private readonly Dictionary<IPrimitive, ISymbolicExpressionTreeNode> primitivesToNodes;
     private readonly Dictionary<ISymbolicExpressionTreeNode, IPrimitive> nodesToPrimitives;
+
+    private string label;
+    public string Label {
+      get { return label; }
+      set { label = value; }
+    }
 
     private Size size;
@@ -142 +152 @@
 
         RectangularPrimitiveBase rectangularPrimitive;
-        var label = ShortenLabel(node);
+        var shortenedLabel = ShortenLabel(node);
         if (node.SubtreeCount == 0) {
-          rectangularPrimitive = new Rectangle(Chart, lowerLeft, upperRight) { Font = font, Text = label };
+          rectangularPrimitive = new Rectangle(Chart, lowerLeft, upperRight) { Font = font, Text = shortenedLabel };
         } else {
-          rectangularPrimitive = new Ellipse(Chart, lowerLeft, upperRight) { Font = font, Text = label };
+          rectangularPrimitive = new Ellipse(Chart, lowerLeft, upperRight) { Font = font, Text = shortenedLabel };
         }
 
@@ -174 +184 @@
         if (ymax < rpb.UpperRight.Y) ymax = (int)Math.Ceiling(rpb.UpperRight.Y);
       }
-      Size = new Size(xmax - xmin, ymax - ymin);
-      var width = Size.Width;
-      var height = Size.Height;
+      int width = xmax - xmin;
+      int height = ymax - ymin;
+
+      // draw a primitive to display the label
+      var labelRect = new Rectangle(this.Chart, new PointD(0, height), new PointD(width, height + labelHeight)) {
+        Pen = new Pen(Color.Black),
+        Brush = new SolidBrush(Color.Transparent),
+        Text = Label,
+        Font = new Font(FontFamily.GenericSansSerif, 12)
+      };
+      this.Add(labelRect);
+
       // draw a rectangle to mark the countour of this tile
-      var rectangle = new Rectangle(this.Chart, new PointD(0, 0), new PointD(width, height)) {
+      Size = new Size(width, height + labelHeight);
+
+      var rectangle = new Rectangle(this.Chart, new PointD(0, 0), new PointD(Size.Width, Size.Height)) {
         Pen = new Pen(Color.Gray),
         Brush = new SolidBrush(Color.Transparent)
@@ -188 +209 @@
         var rpb = primitive as RectangularPrimitiveBase;
         if (rpb != null) {
-          rpb.SetPosition(rpb.LowerLeft.X, height - rpb.UpperRight.Y, rpb.UpperRight.X, height - rpb.LowerLeft.Y);
+          rpb.SetPosition(rpb.LowerLeft.X, Size.Height - rpb.UpperRight.Y, rpb.UpperRight.X, Size.Height - rpb.LowerLeft.Y);
 
         } else {
           var line = primitive as LinearPrimitiveBase;
           if (line != null) {
-            line.SetPosition(line.Start.X, height - line.Start.Y, line.End.X, height - line.End.Y);
+            line.SetPosition(line.Start.X, Size.Height - line.Start.Y, line.End.X, Size.Height - line.End.Y);
           }
         }
@@ -201 +222 @@
     public override void Draw(Graphics graphics) {
       graphics.SmoothingMode = SmoothingMode.HighQuality;
+      graphics.TextRenderingHint = TextRenderingHint.AntiAlias;
       base.Draw(graphics);
     }