diff options
| -rwxr-xr-x | core/java/android/gesture/GestureUtilities.java | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/core/java/android/gesture/GestureUtilities.java b/core/java/android/gesture/GestureUtilities.java index 6fdf97c..9d95ce4 100755 --- a/core/java/android/gesture/GestureUtilities.java +++ b/core/java/android/gesture/GestureUtilities.java @@ -26,6 +26,16 @@ import java.io.IOException; import static android.gesture.GestureConstants.*; +/** + * Utility functions for gesture processing & analysis, including methods for: + * <ul> + * <li>feature extraction (e.g., samplers and those for calculating bounding + * boxes and gesture path lengths); + * <li>geometric transformation (e.g., translation, rotation and scaling); + * <li>gesture similarity comparison (e.g., calculating Euclidean or Cosine + * distances between two gestures). + * </ul> + */ public final class GestureUtilities { private static final float SCALING_THRESHOLD = 0.26f; |