public PlotterControls(FrameworkElement c, CanvasGridRenderer graphics)
{
_gridRenderer = graphics;
Recentre(c);
var zoomLogic = new ZoomLogic();
_zoom = zoomLogic;
_lastMousePosition = new MousePositionService(this.PicturePosFromCanvasPos);
_gridRenderer.Start(_zoom, _origin, _lastMousePosition);
var zoomer = new ZoomController(zoomLogic, this.FocusPosition, _lastMousePosition);
//----- I'm just gonna set up all the input control here because why not
c.SizeChanged +=
(object sender, System.Windows.SizeChangedEventArgs e) =>
{
Recentre(c);
};
c.MouseMove +=
(object sender, MouseEventArgs e) =>
{
_lastMousePosition.P = PointConversions.CanvasFromMouse(e.MouseDevice, c);
};
c.MouseWheel +=
(object sender, MouseWheelEventArgs e) =>
{
var delta = e.Delta;
if (delta > 0)
{
zoomer.ZoomIn();
}
else
{
zoomer.ZoomOut();
}
e.Handled = true;
};
new MousePanningHandler(_origin, _zoom).AddDragHandler(c);
}
public ZoomController(ZoomLogic zoom, Action<CanvasPosition, Geometry.Position> focusCanvas, IMousePositionService mouse)
{
_zoom = zoom;
_focus = focusCanvas;
_mouse = mouse;
}