Changeset 1462 for trunk/sources/HeuristicLab.Visualization/TextShape.cs

Timestamp:

03/27/09 20:23:17 (15 years ago)

Author:

mstoeger

Message:

Display of X- and Y-Axis-Labels (#556)

File:

• trunk/sources/HeuristicLab.Visualization/TextShape.cs (modified) (7 diffs)

trunk/sources/HeuristicLab.Visualization/TextShape.cs

@@ -1 +1 @@
 using System;
 using System.Drawing;
+using System.Drawing.Drawing2D;
 
 namespace HeuristicLab.Visualization {
@@ -19 +20 @@
     private double x;
     private double y;
+    private float rotation = 0;
 
     private AnchorPositionX anchorPositionX = AnchorPositionX.Left;
@@ -59 +61 @@
     }
 
+    public float Rotation {
+      get { return rotation; }
+      set { rotation = value; }
+    }
+
     public Color Color {
       get { return color; }
@@ -87 +94 @@
       int screenX = Transform.ToScreenX(x, Parent.Viewport, Parent.ClippingArea);
       int screenY = Transform.ToScreenY(y, Parent.Viewport, Parent.ClippingArea);
+      int offsetX, offsetY;
 
       SizeF size = graphics.MeasureString(text, font);
@@ -92 +100 @@
       switch (AnchorPositionX) {
         case AnchorPositionX.Left:
+          offsetX = 0;
           break;
         case AnchorPositionX.Middle:
-          screenX -= (int)(size.Width/2);
+          offsetX = -(int)(size.Width/2);
           break;
         case AnchorPositionX.Right:
-          screenX -= (int)size.Width;
+          offsetX = -(int)size.Width;
           break;
         default:
@@ -105 +114 @@
       switch (AnchorPositionY) {
         case AnchorPositionY.Top:
+          offsetY = 0;
           break;
         case AnchorPositionY.Middle:
-          screenY -= (int)(size.Height/2);
+          offsetY = -(int)(size.Height/2);
           break;
         case AnchorPositionY.Bottom:
-          screenY -= (int)size.Height;
+          offsetY = -(int)size.Height;
           break;
         default:
@@ -116 +126 @@
       }
 
-      graphics.DrawString(text, font, brush, screenX, screenY);
+      GraphicsState gstate = graphics.Save();
+      graphics.TranslateTransform(screenX, screenY, MatrixOrder.Append);
+      graphics.RotateTransform(rotation, MatrixOrder.Prepend);
+      graphics.DrawString(text, font, brush, offsetX, offsetY);
+      graphics.Restore(gstate);
     }