Java Code Examples for android.view.MotionEvent#transform()

The following examples show how to use android.view.MotionEvent#transform() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ViewUtils.java    From AcDisplay with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Recursive helper method that applies transformations in post-order.
 *
 * @param ev the on-screen motion event
 */
private static void transformMotionEventToLocal(@NonNull View view, @NonNull MotionEvent ev) {
    final ViewParent parent = view.getParent();
    if (parent instanceof View) {
        final View vp = (View) parent;
        transformMotionEventToLocal(vp, ev);
        ev.offsetLocation(vp.getScrollX(), vp.getScrollY());
    }
    // TODO: Use reflections to access ViewRootImpl
    // else if (parent instanceof ViewRootImpl) {
    //    final ViewRootImpl vr = (ViewRootImpl) parent;
    //    ev.offsetLocation(0, vr.mCurScrollY);
    // }

    ev.offsetLocation(-view.getLeft(), -view.getTop());

    Matrix matrix = view.getMatrix();
    if (matrix != null) {
        ev.transform(matrix);
    }
}
Example 2
Source File: ViewUtils.java    From AcDisplay with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Recursive helper method that applies transformations in pre-order.
 *
 * @param ev the on-screen motion event
 */
private static void transformMotionEventToGlobal(@NonNull View view, @NonNull MotionEvent ev) {
    Matrix matrix = view.getMatrix();
    if (matrix != null) {
        ev.transform(matrix);
    }

    ev.offsetLocation(view.getLeft(), view.getTop());

    final ViewParent parent = view.getParent();
    if (parent instanceof View) {
        final View vp = (View) parent;
        ev.offsetLocation(-vp.getScrollX(), -vp.getScrollY());
        transformMotionEventToGlobal(vp, ev);
    }
    // TODO: Use reflections to access ViewRootImpl
    // else if (parent instanceof ViewRootImpl) {
    //    final ViewRootImpl vr = (ViewRootImpl) parent;
    //    ev.offsetLocation(0, -vr.mCurScrollY);
    // }
}
Example 3
Source File: ViewUtils.java    From HeadsUp with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Recursive helper method that applies transformations in post-order.
 *
 * @param ev the on-screen motion event
 */
private static void transformMotionEventToLocal(@NonNull View view, @NonNull MotionEvent ev) {
    final ViewParent parent = view.getParent();
    if (parent instanceof View) {
        final View vp = (View) parent;
        transformMotionEventToLocal(vp, ev);
        ev.offsetLocation(vp.getScrollX(), vp.getScrollY());
    }
    // TODO: Use reflections to access ViewRootImpl
    // else if (parent instanceof ViewRootImpl) {
    //    final ViewRootImpl vr = (ViewRootImpl) parent;
    //    ev.offsetLocation(0, vr.mCurScrollY);
    // }

    ev.offsetLocation(-view.getLeft(), -view.getTop());

    Matrix matrix = view.getMatrix();
    if (matrix != null) {
        ev.transform(matrix);
    }
}
Example 4
Source File: ViewUtils.java    From HeadsUp with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Recursive helper method that applies transformations in pre-order.
 *
 * @param ev the on-screen motion event
 */
private static void transformMotionEventToGlobal(@NonNull View view, @NonNull MotionEvent ev) {
    Matrix matrix = view.getMatrix();
    if (matrix != null) {
        ev.transform(matrix);
    }

    ev.offsetLocation(view.getLeft(), view.getTop());

    final ViewParent parent = view.getParent();
    if (parent instanceof View) {
        final View vp = (View) parent;
        ev.offsetLocation(-vp.getScrollX(), -vp.getScrollY());
        transformMotionEventToGlobal(vp, ev);
    }
    // TODO: Use reflections to access ViewRootImpl
    // else if (parent instanceof ViewRootImpl) {
    //    final ViewRootImpl vr = (ViewRootImpl) parent;
    //    ev.offsetLocation(0, -vr.mCurScrollY);
    // }
}
Example 5
Source File: ViewUtils.java    From turbo-editor with GNU General Public License v3.0 6 votes vote down vote up 
/**
 * Recursive helper method that applies transformations in post-order.
 *
 * @param ev the on-screen motion event
 */
private static void transformMotionEventToLocal(@NonNull View view, @NonNull MotionEvent ev) {
    final ViewParent parent = view.getParent();
    if (parent instanceof View) {
        final View vp = (View) parent;
        transformMotionEventToLocal(vp, ev);
        ev.offsetLocation(vp.getScrollX(), vp.getScrollY());
    } // TODO: Use reflections to access ViewRootImpl
    // else if (parent instanceof ViewRootImpl) {
    //    final ViewRootImpl vr = (ViewRootImpl) parent;
    //    ev.offsetLocation(0, vr.mCurScrollY);
    // }

    ev.offsetLocation(-view.getLeft(), -view.getTop());

    Matrix matrix = view.getMatrix();
    if (matrix != null) {
        ev.transform(matrix);
    }
}
Example 6
Source File: ViewUtils.java    From turbo-editor with GNU General Public License v3.0 6 votes vote down vote up 
/**
 * Recursive helper method that applies transformations in pre-order.
 *
 * @param ev the on-screen motion event
 */
private static void transformMotionEventToGlobal(@NonNull View view, @NonNull MotionEvent ev) {
    Matrix matrix = view.getMatrix();
    if (matrix != null) {
        ev.transform(matrix);
    }

    ev.offsetLocation(view.getLeft(), view.getTop());

    final ViewParent parent = view.getParent();
    if (parent instanceof View) {
        final View vp = (View) parent;
        ev.offsetLocation(-vp.getScrollX(), -vp.getScrollY());
        transformMotionEventToGlobal(vp, ev);
    } // TODO: Use reflections to access ViewRootImpl
    // else if (parent instanceof ViewRootImpl) {
    //    final ViewRootImpl vr = (ViewRootImpl) parent;
    //    ev.offsetLocation(0, -vr.mCurScrollY);
    // }
}
Example 7
Source File: TransformedLayout.java    From Carbon with Apache License 2.0 5 votes vote down vote up 
@Override
public boolean dispatchTouchEvent(@NonNull MotionEvent event) {
    MotionEvent eventCopy = MotionEvent.obtain(event);
    eventCopy.transform(inverse);
    boolean result = super.dispatchTouchEvent(eventCopy);
    eventCopy.recycle();
    return result;
}
Example 8
Source File: MapView.java    From osmdroid with Apache License 2.0 5 votes vote down vote up 
private MotionEvent rotateTouchEvent(MotionEvent ev) {
	if (this.getMapOrientation() == 0)
		return ev;

	MotionEvent rotatedEvent = MotionEvent.obtain(ev);
	if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
		getProjection().unrotateAndScalePoint((int) ev.getX(), (int) ev.getY(),
				mRotateScalePoint);
		rotatedEvent.setLocation(mRotateScalePoint.x, mRotateScalePoint.y);
	} else {
		// This method is preferred since it will rotate historical touch events too
		rotatedEvent.transform(getProjection().getInvertedScaleRotateCanvasMatrix());
	}
	return rotatedEvent;
}
Example 9
Source File: MotionEventHelper.java    From ViewSupport with Apache License 2.0 4 votes vote down vote up 
@TargetApi(ApiHelper.VERSION_CODES.HONEYCOMB)
private static MotionEvent transformEventNew(MotionEvent e, Matrix m) {
    MotionEvent newEvent = MotionEvent.obtain(e);
    newEvent.transform(m);
    return newEvent;
}
Example 10
Source File: GestureControllerForPager.java    From GestureViews with Apache License 2.0 4 votes vote down vote up 
private static void transformToPagerEvent(MotionEvent event, View view, ViewPager pager) {
    tmpMatrix.reset();
    transformMatrixToPager(tmpMatrix, view, pager);
    event.transform(tmpMatrix);
}