diff options
Diffstat (limited to 'services/input/InputReader.cpp')
| -rw-r--r-- | services/input/InputReader.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/services/input/InputReader.cpp b/services/input/InputReader.cpp index ce8a939742ad..1ed5ad729fc2 100644 --- a/services/input/InputReader.cpp +++ b/services/input/InputReader.cpp @@ -3940,7 +3940,11 @@ bool TouchInputMapper::preparePointerGestures(nsecs_t when, // approches 1.0. Recall that dot(v1, v2) = cos(angle) * mag(v1) * mag(v2). PointerGesture::Delta& delta1 = mPointerGesture.referenceDeltas[id1]; PointerGesture::Delta& delta2 = mPointerGesture.referenceDeltas[id2]; - float dot = delta1.dx * delta2.dx + delta1.dy * delta2.dy; + float dx1 = delta1.dx * mLocked.pointerGestureXZoomScale; + float dy1 = delta1.dy * mLocked.pointerGestureYZoomScale; + float dx2 = delta2.dx * mLocked.pointerGestureXZoomScale; + float dy2 = delta2.dy * mLocked.pointerGestureYZoomScale; + float dot = dx1 * dx2 + dy1 * dy2; float cosine = dot / (dist1 * dist2); // denominator always > 0 if (cosine >= mConfig->pointerGestureSwipeTransitionAngleCosine) { // Pointers are moving in the same direction. Switch to SWIPE. |