diff --git a/OpenCV/Form1.Designer.cs b/OpenCV/Form1.Designer.cs
index 8dbe7db..5395342 100644
--- a/OpenCV/Form1.Designer.cs
+++ b/OpenCV/Form1.Designer.cs
@@ -49,6 +49,7 @@ namespace OpenCV
             this.pictureBoxIpl2.Location = new System.Drawing.Point(658, 11);
             this.pictureBoxIpl2.Name = "pictureBoxIpl2";
             this.pictureBoxIpl2.Size = new System.Drawing.Size(640, 480);
+            this.pictureBoxIpl2.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage;
             this.pictureBoxIpl2.TabIndex = 1;
             this.pictureBoxIpl2.TabStop = false;
             // 
diff --git a/OpenCV/Form1.cs b/OpenCV/Form1.cs
index 589ca39..556fc94 100644
--- a/OpenCV/Form1.cs
+++ b/OpenCV/Form1.cs
@@ -39,8 +39,8 @@ namespace OpenCV
                 OpenCVClass Converter = new OpenCVClass();
 
                 pictureBoxIpl1.ImageIpl = src;
-                //pictureBoxIpl2.ImageIpl = Converter.Resize(src, 0.1, 0.2);
-                pictureBoxIpl2.ImageIpl = Converter.Slice(src, 750, 840, 350, 150);
+                //pictureBoxIpl2.ImageIpl = Converter.Symmetry(src, FlipMode.XY);
+                pictureBoxIpl2.ImageIpl = Converter.Rotate(src, -45);
             }
             catch (Exception ex)
             {
diff --git a/OpenCV/OpenCVClass.cs b/OpenCV/OpenCVClass.cs
index 76dc6ea..05fab60 100644
--- a/OpenCV/OpenCVClass.cs
+++ b/OpenCV/OpenCVClass.cs
@@ -13,6 +13,8 @@ namespace OpenCV
         IplImage zoomout;
         IplImage resize;
         IplImage slice;
+        IplImage symm;
+        IplImage rotate;
 
         public IplImage GrayScale(IplImage src)
         {
@@ -84,24 +86,44 @@ namespace OpenCV
             return slice;
         }
 
+        public IplImage Symmetry(IplImage src, FlipMode mode)
+        {
+            symm = new IplImage(src.Size, BitDepth.U8, 3);
+            Cv.Flip(src, symm, mode);
+            return symm;
+        }
+
+        public IplImage Rotate(IplImage src, double angle)
+        {
+            rotate = new IplImage(src.Size, BitDepth.U8, 3);
+            CvMat matrix = Cv.GetRotationMatrix2D(new CvPoint2D32f(src.Width / 2, src.Height / 2), angle, 1);
+            Cv.WarpAffine(src, rotate, matrix, Interpolation.Linear, CvScalar.ScalarAll(0));
+            return rotate;
+        }
+
+        private void Release(params IplImage[] images)
+        {
+            for (int i = 0; i < images.Length; i++)
+            {
+                if (images[i] != null)
+                    Cv.ReleaseImage(images[i]);
+            }
+        }
+
         public void Dispose()
         {
-            if (gray != null)
-                Cv.ReleaseImage(gray);
-            if (inversion != null)
-                Cv.ReleaseImage(inversion);
-            if (bin != null)
-                Cv.ReleaseImage(bin);
-            if (blur != null)
-                Cv.ReleaseImage(blur);
-            if (zoomin != null)
-                Cv.ReleaseImage(zoomin);
-            if (zoomout != null)
-                Cv.ReleaseImage(zoomout);
-            if (resize != null)
-                Cv.ReleaseImage(resize);
-            if (slice != null)
-                Cv.ReleaseImage(slice);
+            Release(
+                gray,
+                inversion,
+                bin,
+                blur,
+                zoomin,
+                zoomout,
+                resize,
+                slice,
+                symm,
+                rotate
+                );
         }
     }
 }