Changeset 10827 for branches/HeuristicLab.EvolutionTracking/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views

Timestamp:

05/08/14 17:26:32 (10 years ago)

Author:

bburlacu

Message:

#1772: Added default font, pen, and brush for the graphical components (the idea is to save memory by sharing default pens and brushes - not allocating new ones all the time), added support for tracing mutation operations

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

@@ -41 +41 @@
 
     private const int labelHeight = 30;
+
+    private readonly SolidBrush defaultBrush;
+    private readonly Pen defaultPen;
+    private readonly Font defaultFont;
 
     public ReingoldTilfordLayoutEngine<ISymbolicExpressionTreeNode> LayoutEngine { get; set; }
@@ -127 +131 @@
       PreferredNodeHeight = 40;
       Group = new Group(chart);
+
+      defaultBrush = new SolidBrush(Color.Transparent);
+      defaultPen = new Pen(Color.Black);
+      defaultFont = new Font(FontFamily.GenericSansSerif, 12, GraphicsUnit.Pixel);
     }
     public SymbolicExpressionTreeTile(IChart chart, ISymbolicExpressionTree tree)
@@ -142 +150 @@
       var visualNodes = LayoutEngine.CalculateLayout(actualRoot).ToList();
 
-      var font = new Font(FontFamily.GenericSansSerif, 10, GraphicsUnit.Pixel);
-
       var visualNodeMap = visualNodes.ToDictionary(x => x.Content, x => x);
 
@@ -154 +160 @@
         var shortenedLabel = ShortenLabel(node);
         if (node.SubtreeCount == 0) {
-          rectangularPrimitive = new Rectangle(Chart, lowerLeft, upperRight) { Font = font, Text = shortenedLabel };
+          rectangularPrimitive = new Rectangle(Chart, lowerLeft, upperRight) {
+            Font = defaultFont, Text = shortenedLabel, Brush = defaultBrush, Pen = defaultPen, MaximumFontSize = 12f
+          };
         } else {
-          rectangularPrimitive = new Ellipse(Chart, lowerLeft, upperRight) { Font = font, Text = shortenedLabel };
+          rectangularPrimitive = new Ellipse(Chart, lowerLeft, upperRight) {
+            Font = defaultFont, Text = shortenedLabel, Brush = defaultBrush, Pen = defaultPen, MaximumFontSize = 12f
+          };
         }
 
@@ -189 +199 @@
       // 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),
+        Pen = defaultPen,
+        Brush = defaultBrush,
         Text = Label,
-        Font = new Font(FontFamily.GenericSansSerif, 12)
+        Font = defaultFont
       };
       this.Add(labelRect);
@@ -200 +210 @@
 
       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)
+        Pen = defaultPen,
+        Brush = defaultBrush
       };
       this.Add(rectangle);