private void InternalMove(ToolEventArgs e, WindowChangedEventType type)
{
// Get the start and end points of the drag.
// Keep track of the displacement for optimization purposes.
//var panDelta = p2 - p1; ;
// Move the view and redraw.
var delta = e.LocationWCS - Viewport.ClientToWorld(LastPosition);
Viewport.TranslatePrepend(delta.X, delta.Y);
Viewport.PerformWindowChanged(type);
Viewport.Invalidate();
}
internal void PerformWindowChanged(WindowChangedEventType windowChangedEventType)
{
OnWindowChanged(new WindowChangedEventArgs(windowChangedEventType));
}
private void SetView(double centerX, double centerY, double zoom, double angle, WindowChangedEventType windowChangedEventType)
{
_view = new Matrix();
_view.Translate(-centerX, -centerY);
_view.Rotate(angle);
_view.Scale(zoom, -zoom);
_view.Translate(ClientSize.Width / 2.0, ClientSize.Height / 2.0);
Zoom = zoom;
Angle = angle;
OnWindowChanged(new WindowChangedEventArgs(windowChangedEventType));
Invalidate();
}
private void SetView(WinPoint center, double zoom, double angle, WindowChangedEventType windowChangedEventType)
{
SetView(center.X, center.Y, zoom, angle, windowChangedEventType);
}
public WindowChangedEventArgs(WindowChangedEventType type)
{
Type = type;
}
