public ImageCache(Viewport viewport, ShapeDrawer shapeDrawer, Filler filler, Page page, int width, int height)
{
_viewport = viewport;
_shapeDrawer = shapeDrawer;
_filler = filler;
_page = page;
_page.ImageBuffer = new Bitmap(width, height);
using (var graph = Graphics.FromImage(_page.ImageBuffer))
{
graph.Clear(Color.White);
}
_page.AddedShape += Page_AddedShape;
}
public void LoadShape(ShapeBase shape, Viewport viewport)
{
_shape = shape;
_viewport = viewport;
foreach (var ctrl in _controlPoints)
{
ctrl.LocationChanged -= Control_LocationChanged;
}
_controlPoints.Clear();
foreach (var v in _shape.Vertices)
{
var control = new ControlPoint((int)Math.Round(v.X), (int)Math.Round(v.Y), null);
control.LocationChanged += Control_LocationChanged;
control.Tag = v;
control.Cursor = Cursors.SizeAll;
_controlPoints.Add(control);
}
if (_shape.GetShapeType() == ShapeType.Ellipse)
{
_controlPoints.Add(new ControlPoint((int) Math.Round(_shape.Location.X + _shape.Size.Width/2),
(int) Math.Round(_shape.Location.Y), null));
_controlPoints.Add(new ControlPoint((int)Math.Round(_shape.Location.X + _shape.Size.Width),
(int)Math.Round(_shape.Location.Y + _shape.Size.Height/2), null));
_controlPoints.Add(new ControlPoint((int)Math.Round(_shape.Location.X + _shape.Size.Width/2),
(int)Math.Round(_shape.Location.Y + _shape.Size.Height), null));
_controlPoints.Add(new ControlPoint((int)Math.Round(_shape.Location.X),
(int)Math.Round(_shape.Location.Y + _shape.Size.Height/2), null));
}
}