1 files changed, 3 insertions, 1 deletions
diff --git a/src/com/android/gallery3d/filtershow/filters/ImageFilterContrast.java b/src/com/android/gallery3d/filtershow/filters/ImageFilterContrast.java
index b3ef74d21..5117f60bc 100644
--- a/src/com/android/gallery3d/filtershow/filters/ImageFilterContrast.java
+++ b/src/com/android/gallery3d/filtershow/filters/ImageFilterContrast.java
@@ -11,11 +11,13 @@ public class ImageFilterContrast extends ImageFilter {
 
     native protected void nativeApplyFilter(Bitmap bitmap, int w, int h, float strength);
 
-    public void apply(Bitmap bitmap) {
+    @Override
+    public Bitmap apply(Bitmap bitmap, float scaleFactor, boolean highQuality) {
         int w = bitmap.getWidth();
         int h = bitmap.getHeight();
         float p = mParameter;
         float value = p;
         nativeApplyFilter(bitmap, w, h, value);
+        return bitmap;
     }
 }