remove rotating Y-Axis tick labels

xchart/src/main/java/com/xeiam/xchart/StyleManager.java

@@ -124,7 +124,6 @@ public class StyleManager {
   private TextAlignment xAxisLabelAlignment = TextAlignment.Centre;
   private TextAlignment yAxisLabelAlignment = TextAlignment.Left;
   private int xAxisLabelRotation = 0;
-  private int yAxisLabelRotation = 0;
 
   // Chart Plot Area ///////////////////////////////
   private boolean isPlotGridLinesVisible;
@@ -918,16 +917,6 @@ public class StyleManager {
     this.xAxisLabelRotation = xAxisLabelRotation;
   }
 
-  public int getYAxisLabelRotation() {
-
-    return yAxisLabelRotation;
-  }
-
-  public void setYAxisLabelRotation(int yAxisLabelRotation) {
-
-    this.yAxisLabelRotation = yAxisLabelRotation;
-  }
-
   // Chart Plot Area ///////////////////////////////
 
   /**

xchart/src/main/java/com/xeiam/xchart/internal/chartpart/Axis.java

@@ -248,6 +248,9 @@ public class Axis implements ChartPart {
   }
 
   /**
+   * The vertical Y-Axis is drawn first, but to know the lower bounds of it, we need to know how high the X-Axis paint zone is going to be. Since the tick labels could be rotated, we need to actually
+   * determine the tick labels first to get an idea of how tall thew X-Axis tick labels will be.
+   * 
    * @return
    */
   private double getXAxisHeightHint(double workingSpace) {

xchart/src/main/java/com/xeiam/xchart/internal/chartpart/AxisTickLabels.java

@@ -89,9 +89,7 @@ public class AxisTickLabels implements ChartPart {
       for (Double tickLocation : axisLabelTextLayouts.keySet()) {
 
         TextLayout axisLabelTextLayout = axisLabelTextLayouts.get(tickLocation);
-        AffineTransform rot =
-            getChartPainter().getStyleManager().getYAxisLabelRotation() == 0 ? null : AffineTransform.getRotateInstance(-Math.toRadians(getChartPainter().getStyleManager().getYAxisLabelRotation()));
-        Shape shape = axisLabelTextLayout.getOutline(rot);
+        Shape shape = axisLabelTextLayout.getOutline(null);
         Rectangle2D tickLabelBounds = shape.getBounds();
 
         double flippedTickLocation = yOffset + height - tickLocation;