diff --git a/Application/src/main/java/com/xypower/mppreview/Camera2RawFragment.java b/Application/src/main/java/com/xypower/mppreview/Camera2RawFragment.java
index 55628d2..b669ab4 100644
--- a/Application/src/main/java/com/xypower/mppreview/Camera2RawFragment.java
+++ b/Application/src/main/java/com/xypower/mppreview/Camera2RawFragment.java
@@ -1080,7 +1080,6 @@ public class Camera2RawFragment extends Fragment
             RectF bufferRect = new RectF(0, 0, previewSize.getHeight(), previewSize.getWidth());
             float centerX = viewRect.centerX();
             float centerY = viewRect.centerY();
-
             // Initially, output stream images from the Camera2 API will be rotated to the native
             // device orientation from the sensor's orientation, and the TextureView will default to
             // scaling these buffers to fill it's view bounds.  If the aspect ratios and relative
@@ -1098,13 +1097,27 @@ public class Camera2RawFragment extends Fragment
             //   - Apply the rotation from the native device orientation to the current device
             //     rotation.
             if (Surface.ROTATION_90 == deviceRotation || Surface.ROTATION_270 == deviceRotation) {
-                bufferRect.offset(centerX - bufferRect.centerX(), centerY - bufferRect.centerY());
-                matrix.setRectToRect(viewRect, bufferRect, Matrix.ScaleToFit.FILL);
-                float scale = Math.max(
-                        (float) viewHeight / previewSize.getHeight(),
-                        (float) viewWidth / previewSize.getWidth());
-                matrix.postScale(scale, scale, centerX, centerY);
-
+                if (rotation == 0) {
+                   matrix.postScale(1, 1);
+                } else if (rotation == 90){
+                    bufferRect.offset(centerX - bufferRect.centerX(), centerY - bufferRect.centerY());
+                    matrix.setRectToRect(viewRect, bufferRect, Matrix.ScaleToFit.FILL);
+                    float scaleh =
+                            (float) viewHeight / previewSize.getHeight();
+                    float scalew =
+                            (float) viewWidth / previewSize.getWidth();
+                    matrix.postScale(scalew, scaleh, centerX, centerY);
+                } else if (rotation == 180){
+                    matrix.postScale(1, 1);
+                }else if (rotation == 270){
+                    bufferRect.offset(centerX - bufferRect.centerX(), centerY - bufferRect.centerY());
+                    matrix.setRectToRect(viewRect, bufferRect, Matrix.ScaleToFit.FILL);
+                    float scaleh =
+                            (float) viewHeight / previewSize.getHeight();
+                    float scalew =
+                            (float) viewWidth / previewSize.getWidth();
+                    matrix.postScale(scaleh, scalew, centerX, centerY);
+                }
             }
             matrix.postRotate(rotation, centerX, centerY);