Add scale factor / quality parameters in filters

bug:7248352
Change-Id: I2e4ca86d681eba2e97ddc550f88d9f702ecba65d
diff --git a/src/com/android/gallery3d/filtershow/filters/ImageFilterSaturated.java b/src/com/android/gallery3d/filtershow/filters/ImageFilterSaturated.java
index d3db441..9047056 100644
--- a/src/com/android/gallery3d/filtershow/filters/ImageFilterSaturated.java
+++ b/src/com/android/gallery3d/filtershow/filters/ImageFilterSaturated.java
@@ -11,11 +11,13 @@
 
     native protected void nativeApplyFilter(Bitmap bitmap, int w, int h, float saturation);
 
-    public void apply(Bitmap bitmap) {
+    @Override
+    public Bitmap apply(Bitmap bitmap, float scaleFactor, boolean highQuality) {
         int w = bitmap.getWidth();
         int h = bitmap.getHeight();
         int p = mParameter;
         float value = 1 +  p / 100.0f;
         nativeApplyFilter(bitmap, w, h, value);
+        return bitmap;
     }
 }