public override void Execute(object parameter)
{
MouseWheelEventArgs wheelEvent = parameter as MouseWheelEventArgs;
MouseWheelVO vo = new MouseWheelVO
{
Delta = wheelEvent.Delta,
OriginalSource = wheelEvent.OriginalSource,
Sender = wheelEvent.Source
};
SignalManager.Get <MouseWheelSignal>().Dispatch(vo);
}
private void OnMouseWheel(MouseWheelVO vo)
{
if (DataContext is TileSetViewModel viewModel)
{
if (!viewModel.IsActive)
{
return;
}
}
const double ScaleRate = 1.1;
if (vo.Delta > 0)
{
scaleCanvas.ScaleX *= ScaleRate;
scaleCanvas.ScaleY *= ScaleRate;
}
else
{
scaleCanvas.ScaleX /= ScaleRate;
scaleCanvas.ScaleY /= ScaleRate;
}
}