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Merge "PiP: Damp resizing after going over max size." into sc-dev

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Ben Lin
2021-05-17 18:00:08 +00:00
committed by Android (Google) Code Review
parent 54441572a9 620ee55cc3
commit 4e04b705e3
1 changed files with 5 additions and 1 deletions
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6
libs/WindowManager/Shell/src/com/android/wm/shell/pip/phone/PipPinchResizingAlgorithm.java
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@@ -27,6 +27,7 @@ public class PipPinchResizingAlgorithm {
private static final int PINCH_RESIZE_MAX_ANGLE_ROTATION = 45;
private static final float OVERROTATE_DAMP_FACTOR = 0.4f;
private static final float ANGLE_THRESHOLD = 5f;
private static final float OVERRESIZE_DAMP_FACTOR = 0.25f;
private final PointF mTmpDownVector = new PointF();
private final PointF mTmpLastVector = new PointF();
@@ -46,7 +47,10 @@ public class PipPinchResizingAlgorithm {
lastSecondPoint.y - lastPoint.y);
float minScale = getMinScale(initialBounds, minSize);
float maxScale = getMaxScale(initialBounds, maxSize);
float scale = Math.max(minScale, Math.min(maxScale, dist / downDist));
float overStretchMin = minScale - dist / downDist > 0 ? minScale - dist / downDist : 0;
float overStretchMax = dist / downDist - maxScale > 0 ? dist / downDist - maxScale : 0;
float scale = Math.max(minScale - overStretchMin * OVERRESIZE_DAMP_FACTOR,
Math.min(maxScale + overStretchMax * OVERRESIZE_DAMP_FACTOR, dist / downDist));
// Scale the bounds by the change in distance between the points
resizeBoundsOut.set(initialBounds);