public unsafe void ApplyBackground(IPenContext context)
{
if (context == null)
{
return;
}
IBufferPen Pen = (context is IBufferPen) ? context as IBufferPen : context.ToPen(Width, Height);
if (Pen == null || Pen.ID == BackgroundPen)
{
return;
}
var rc = Factory.newRectangle(0, 0, Pen.Width, Pen.Height);
Pen.CopyTo(rc, Pixels, Length, Width, 0, 0);
BackgroundPen = Pen.ID;
Factory.Add(Pen, ObjType.Buffer);
PendingUpdates.Clear();
BackgroundChanged?.Invoke(this, Factory.EventArgsEmpty);
//RefreshAll();
PendingUpdates.Clear();
PendingUpdates.Invalidate(rc);
}
public override S Add<S>(S shape, IPenContext context)
{
if (shape == null)
return shape;
AddMode = !Contains(shape);
Implementation.Renderer.Render(Buffer, shape, context);
AddMode = false;
return shape;
}
public override void Render(IBuffer Buffer, IElement shape, IPenContext context)
{
if (Buffer == null || ShapeBeingDrawn == shape.ID)
return;
ShapeBeingDrawn = shape.ID;
bool AddMode = false;
bool Exists = false;
IDrawInfo3 info = null;
if(Buffer is IContainer)
{
var path = (Buffer as IContainer).Controls;
AddMode = path.AddMode;
Exists = path.Contains(shape);
if (!AddMode && !Exists)
{
RenderElement(Buffer, shape, context);
ShapeBeingDrawn = null;
return;
}
AddMode = AddMode && !Exists;
if (AddMode)
info = path.NewDrawInfo(shape);
else
info = path[shape];
}
IPenContext Pen = context;
if (AddMode)
{
Factory.Add(shape, ObjType.Element);
if (shape is ILine && shape.ID == null)
(shape as ILine).AssignIDIfNone();
info.CopyFrom(this);
}
else if (Exists)
{
if (context == null && info.Reader != null)
Pen = Factory.Get<IBufferPen>(info.Reader, ObjType.Buffer);
}
RenderElement(Buffer, shape, Pen);
ShapeBeingDrawn = null;
}
public abstract S Add <S>(S shape, IPenContext context) where S : IElement;
public abstract S Add <S>(S shape, IPenContext context, int?drawX, int?drawY) where S : IElement;
public void DrawTo(IGraphics writer, IPenContext penContext)
{
writer.DrawRectangle(X, Y, Width, Height, penContext);
}
public override bool RenderCustom(IBuffer Buffer, IElement element, IPenContext context, out IBufferPen reader)
{
reader = null;
return false;
}