public override void PointerMove(ToolEventArgs e)
{
if (e.Location == base.LastPosition)
return;
if (LastPosition.X - LastDown.X != 0 || LastPosition.Y - LastDown.Y != 0)
{
var thetaRadian = Math.Atan2(e.X - LastDown.X, e.Y - LastDown.Y) - Math.Atan2(LastPosition.X - LastDown.X, LastPosition.Y - LastDown.Y);
//var theta = Math.PI / 4;
var center = Viewport.ClientToWorld().Transform(LastDown.ToWinPoint());
var theta = (thetaRadian / Math.PI * 180);
//_view.RotateAtPrepend(theta / Math.PI * 180, center.X, center.Y);
Viewport.RotateAtPrepend(theta, center.X, center.Y);
Viewport.Angle = (Viewport.Angle + theta) % 360;
/*Viewport.Camera.RotateAt((float)theta, new PointF((float)center.X, (float)center.Y));
Viewport.Angle = (Viewport.Angle - theta) % 360;
var camera = Viewport.Camera;
var inv = (MatrixF)camera.Clone();
inv.Invert();
var points = new[] { new PointF(camera.OffsetX, camera.OffsetY) };
inv.TransformVectors(points);
var t = points[0];
Viewport.Translate(t.X, t.Y);
Viewport.Camera.Translate(-camera.OffsetX, -camera.OffsetY, System.Drawing.Drawing2D.MatrixOrder.Append);
*/
Viewport.PerformWindowChanged(WindowChangedEventType.Rotate);
Viewport.Invalidate();
}
base.PointerMove(e);
}
public override void PointerUp(ToolEventArgs e)
{
if (IsDragging)
{
IsDragging = false;
OnDragComplete(e);
}
base.PointerUp(e);
}
public override void PointerMove(ToolEventArgs e)
{
if (IsDown && !IsDragging && Dragging(LastDown, e.Location))
{
IsDragging = true;
OnDragStart(e);
}
if (!IsDown || IsDragging)
base.PointerMove(e);
}
public override void PointerUp(ToolEventArgs e)
{
if (!_dragRectangle.IsEmpty)
{
OnComplete();
Viewport.Invalidate(FixRectangle(_dragRectangle));
_dragRectangle = Rectangle.Empty;
}
base.PointerUp(e);
}
protected virtual void OnDragComplete(ToolEventArgs e)
{ }
protected virtual void OnDragStart(ToolEventArgs e)
{ }
public override void PointerUp(ToolEventArgs e)
{
if (!IsDragging)
Select(GetPickBox(e.Location));
base.PointerUp(e);
}
public override void PointerMove(ToolEventArgs e)
{
if (IsDragging)
InternalPointerMove(new Point(e.X,e.Y));
base.PointerMove(e);
}
protected override void OnDragStart(ToolEventArgs e)
{
InternalPointerMove(new Point(e.X, e.Y));
base.OnDragStart(e);
}
public virtual void PointerUp(ToolEventArgs e)
{
_lastPosition = e.Location;
_lastPositionWCS = e.LocationWCS;
IsDown = false;
}
public virtual void PointerMove(ToolEventArgs e)
{
_lastPosition = e.Location;
_lastPositionWCS = e.LocationWCS;
}
public virtual void PointerDown(ToolEventArgs e)
{
_lastDown = _lastPosition = e.Location;
_lastPositionWCS = _lastDownWCS = e.LocationWCS;
IsDown = true;
}