public void Run()
{
try
{
if (_scroller.IsFinished)
{
_scroller = null;
return;
}
if (_scroller.ComputeScrollOffset())
{
var newX = _scroller.CurrX;
var newY = _scroller.CurrY;
var transX = newX - _currX;
var transY = newY - _currY;
_currX = newX;
_currY = newY;
_view._matrix.PostTranslate(transX, transY);
_view.FixTrans();
_view.ImageMatrix = _view._matrix;
_view.CompatPostOnAnimation(this);
}
}
catch (System.Exception ex)
{
AppSettings.Logger.Warning(ex);
}
}
public void Run()
{
try
{
if (_scroller.IsFinished)
{
_scroller = null;
return;
}
if (_scroller.ComputeScrollOffset())
{
var newX = _scroller.CurrX;
var newY = _scroller.CurrY;
var transX = newX - _currX;
var transY = newY - _currY;
_currX = newX;
_currY = newY;
_view._matrix.PostTranslate(transX, transY);
_view.FixTrans();
_view.ImageMatrix = _view._matrix;
_view.CompatPostOnAnimation(this);
}
}
catch
{
//todo nothing
}
}
public bool OnTouch(View v, MotionEvent evt)
{
_view._touchListener?.OnTouch(v, evt); // User-defined handler, maybe
_view._scaleDetector?.OnTouchEvent(evt);
_view._gestureDetector?.OnTouchEvent(evt);
var currentX = evt.GetX();
var currentY = evt.GetY();
if (_view._state == TouchState.None || _view._state == TouchState.Drag || _view._state == TouchState.Fling)
{
switch (evt.Action)
{
case MotionEventActions.Down:
_lastX = currentX;
_lastY = currentY;
_view._fling?.CancelFling();
_view.SetState(TouchState.Drag);
break;
case MotionEventActions.Move:
if (_view._state == TouchState.Drag)
{
var deltaX = currentX - _lastX;
var deltaY = currentY - _lastY;
var fixTransX = _view.GetFixDragTrans(deltaX, _view.ViewWidth, _view.GetImageWidth());
var fixTransY = _view.GetFixDragTrans(deltaY, _view.ViewHeight, _view.GetImageHeight());
_view._matrix.PostTranslate(fixTransX, fixTransY);
_view.FixTrans();
_lastX = currentX;
_lastY = currentY;
}
break;
case MotionEventActions.Up:
case MotionEventActions.PointerUp:
_view.SetState(TouchState.None);
break;
}
}
_view.ImageMatrix = _view._matrix;
//
// indicate event was handled
//
return(true);
}
