Changeset 5820

Timestamp:

03/24/11 01:40:34 (14 years ago)

Author:

abeham

Message:

#1330

• fixed a small bug in a view

File:

• branches/QAP/HeuristicLab.Problems.QuadraticAssignment.Views/3.3/QAPView.cs (modified) (1 diff)

branches/QAP/HeuristicLab.Problems.QuadraticAssignment.Views/3.3/QAPView.cs

@@ -173 +173 @@
 
     private void GenerateImage() {
-      Bitmap newBitmap = null;
-      stressLabel.Text = "-";
-      if (distancesRadioButton.Checked && Distances != null && Distances.Rows > 0
-        && Distances.Rows == Distances.Columns) {
-        if (Distances.Rows > 30) {
-          newBitmap = new Bitmap(pictureBox.Width, pictureBox.Height);
-          WriteCenteredTextToBitmap(ref newBitmap, "Problem dimension too large for visualization.");
-        } else newBitmap = GenerateDistanceImage();
-      } else if (weightsRadioButton.Checked && Weights != null && Weights.Rows > 0
-        && Weights.Rows == Weights.Columns) {
-        if (Weights.Rows > 30) {
-          newBitmap = new Bitmap(pictureBox.Width, pictureBox.Height);
-          WriteCenteredTextToBitmap(ref newBitmap, "Problem dimension too large for visualization.");
-        } else newBitmap = GenerateWeightsImage();
-      } else if (assignmentRadioButton.Checked
-        && Assignment != null && Assignment.Length > 0
-        && Weights != null && Weights.Rows > 0
-        && Distances != null && Distances.Rows > 0
-        && Weights.Rows == Weights.Columns
-        && Distances.Rows == Distances.Columns
-        && Assignment.Length == Weights.Rows
-        && Assignment.Length == Distances.Rows
-        && Assignment.Validate()) {
-        newBitmap = GenerateAssignmentImage();
-      }
-
-      pictureBox.Image = newBitmap != null ? newBitmap : defaultBitmap;
-      if (bitmap != null) bitmap.Dispose();
-      if (newBitmap != null) bitmap = newBitmap;
-      else bitmap = null;
+      if (pictureBox.Width > 0 && pictureBox.Height > 0) {
+        Bitmap newBitmap = null;
+        stressLabel.Text = "-";
+        if (distancesRadioButton.Checked && Distances != null && Distances.Rows > 0
+          && Distances.Rows == Distances.Columns) {
+          if (Distances.Rows > 30) {
+            newBitmap = new Bitmap(pictureBox.Width, pictureBox.Height);
+            WriteCenteredTextToBitmap(ref newBitmap, "Problem dimension too large for visualization.");
+          } else newBitmap = GenerateDistanceImage();
+        } else if (weightsRadioButton.Checked && Weights != null && Weights.Rows > 0
+          && Weights.Rows == Weights.Columns) {
+          if (Weights.Rows > 30) {
+            newBitmap = new Bitmap(pictureBox.Width, pictureBox.Height);
+            WriteCenteredTextToBitmap(ref newBitmap, "Problem dimension too large for visualization.");
+          } else newBitmap = GenerateWeightsImage();
+        } else if (assignmentRadioButton.Checked
+          && Assignment != null && Assignment.Length > 0
+          && Weights != null && Weights.Rows > 0
+          && Distances != null && Distances.Rows > 0
+          && Weights.Rows == Weights.Columns
+          && Distances.Rows == Distances.Columns
+          && Assignment.Length == Weights.Rows
+          && Assignment.Length == Distances.Rows
+          && Assignment.Validate()) {
+          if (Assignment.Length > 30) {
+            newBitmap = new Bitmap(pictureBox.Width, pictureBox.Height);
+            WriteCenteredTextToBitmap(ref newBitmap, "Problem dimension too large for visualization.");
+          } else newBitmap = GenerateAssignmentImage();
+        }
+
+        pictureBox.Image = newBitmap != null ? newBitmap : defaultBitmap;
+        if (bitmap != null) bitmap.Dispose();
+        if (newBitmap != null) bitmap = newBitmap;
+        else bitmap = null;
+      }
     }