diff --git a/library/src/com/jeremyfeinstein/slidingmenu/lib/CanvasTransformerBuilder.java b/library/src/com/jeremyfeinstein/slidingmenu/lib/CanvasTransformerBuilder.java
index e17ca04a2..9b9444dfa 100644
--- a/library/src/com/jeremyfeinstein/slidingmenu/lib/CanvasTransformerBuilder.java
+++ b/library/src/com/jeremyfeinstein/slidingmenu/lib/CanvasTransformerBuilder.java
@@ -7,89 +7,70 @@
 
 public class CanvasTransformerBuilder {
 
-	private CanvasTransformer mTrans;
+    private static Interpolator lin = new Interpolator() {
+        public float getInterpolation(float t) {
+            return t;
+        }
+    };
 
-	private static Interpolator lin = new Interpolator() {
-		public float getInterpolation(float t) {
-			return t;
-		}
-	};
+    public CanvasTransformer zoom(final int openedX, final int closedX,
+                                  final int openedY, final int closedY,
+                                  final float px, final float py) {
+        return zoom(openedX, closedX, openedY, closedY, px, py, lin);
+    }
 
-	private void initTransformer() {
-		if (mTrans == null)
-			mTrans = new CanvasTransformer() {
-			public void transformCanvas(Canvas canvas, float percentOpen) {	}
-		};
-	}
+    public CanvasTransformer zoom(final int openedX, final int closedX,
+                                  final int openedY, final int closedY,
+                                  final float px, final float py, final Interpolator interp) {
+        return new CanvasTransformer() {
+            public void transformCanvas(Canvas canvas, float percentOpen) {
+                float f = interp.getInterpolation(percentOpen);
+                canvas.scale((openedX - closedX) * f + closedX,
+                        (openedY - closedY) * f + closedY, px, py);
+            }
+        };
+    }
 
-	public CanvasTransformer zoom(final int openedX, final int closedX, 
-			final int openedY, final int closedY, 
-			final int px, final int py) {
-		return zoom(openedX, closedX, openedY, closedY, px, py, lin);
-	}
+    public CanvasTransformer rotate(final int openedDeg, final int closedDeg,
+                                    final float px, final float py) {
+        return rotate(openedDeg, closedDeg, px, py, lin);
+    }
 
-	public CanvasTransformer zoom(final int openedX, final int closedX, 
-			final int openedY, final int closedY,
-			final int px, final int py, final Interpolator interp) {
-		initTransformer();
-		mTrans = new CanvasTransformer() {
-			public void transformCanvas(Canvas canvas, float percentOpen) {
-				mTrans.transformCanvas(canvas, percentOpen);
-				float f = interp.getInterpolation(percentOpen);
-				canvas.scale((openedX - closedX) * f + closedX,
-						(openedY - closedY) * f + closedY, px, py);
-			}			
-		};
-		return mTrans;
-	}
+    public CanvasTransformer rotate(final int openedDeg, final int closedDeg,
+                                    final float px, final float py, final Interpolator interp) {
+        return new CanvasTransformer() {
+            public void transformCanvas(Canvas canvas, float percentOpen) {
+                float f = interp.getInterpolation(percentOpen);
+                canvas.rotate((openedDeg - closedDeg) * f + closedDeg,
+                        px, py);
+            }
+        };
+    }
 
-	public CanvasTransformer rotate(final int openedDeg, final int closedDeg, 
-			final int px, final int py) {
-		return rotate(openedDeg, closedDeg, px, py, lin);
-	}
+    public CanvasTransformer translate(final int openedX, final int closedX,
+                                       final int openedY, final int closedY) {
+        return translate(openedX, closedX, openedY, closedY, lin);
+    }
 
-	public CanvasTransformer rotate(final int openedDeg, final int closedDeg, 
-			final int px, final int py, final Interpolator interp) {
-		initTransformer();
-		mTrans = new CanvasTransformer() {
-			public void transformCanvas(Canvas canvas, float percentOpen) {
-				mTrans.transformCanvas(canvas, percentOpen);
-				float f = interp.getInterpolation(percentOpen);
-				canvas.rotate((openedDeg - closedDeg) * f + closedDeg, 
-						px, py);
-			}			
-		};
-		return mTrans;
-	}
+    public CanvasTransformer translate(final int openedX, final int closedX,
+                                       final int openedY, final int closedY, final Interpolator interp) {
+        return new CanvasTransformer() {
+            public void transformCanvas(Canvas canvas, float percentOpen) {
+                float f = interp.getInterpolation(percentOpen);
+                canvas.translate((openedX - closedX) * f + closedX,
+                        (openedY - closedY) * f + closedY);
+            }
+        };
+    }
 
-	public CanvasTransformer translate(final int openedX, final int closedX, 
-			final int openedY, final int closedY) {
-		return translate(openedX, closedX, openedY, closedY, lin);
-	}
-
-	public CanvasTransformer translate(final int openedX, final int closedX, 
-			final int openedY, final int closedY, final Interpolator interp) {
-		initTransformer();
-		mTrans = new CanvasTransformer() {
-			public void transformCanvas(Canvas canvas, float percentOpen) {
-				mTrans.transformCanvas(canvas, percentOpen);
-				float f = interp.getInterpolation(percentOpen);
-				canvas.translate((openedX - closedX) * f + closedX,
-						(openedY - closedY) * f + closedY);
-			}			
-		};
-		return mTrans;
-	}
-
-	public CanvasTransformer concatTransformer(final CanvasTransformer t) {
-		initTransformer();
-		mTrans = new CanvasTransformer() {
-			public void transformCanvas(Canvas canvas, float percentOpen) {
-				mTrans.transformCanvas(canvas, percentOpen);
-				t.transformCanvas(canvas, percentOpen);
-			}			
-		};
-		return mTrans;
-	}
+    public CanvasTransformer concatTransformer(final CanvasTransformer... args) {
+        return new CanvasTransformer() {
+            public void transformCanvas(Canvas canvas, float percentOpen) {
+                for (final CanvasTransformer arg : args) {
+                    arg.transformCanvas(canvas, percentOpen);
+                }
+            }
+        };
+    }
 
 }