protected static Image RenderFrameDrawing(IDrawingToolkit tk, Area area, FrameDrawing fd, Image image)
{
Image img;
ISurface surface;
Log.Debug("Rendering frame drawing with ROI: " + area);
surface = tk.CreateSurface((int)area.Width, (int)area.Height);
using (IContext c = surface.Context) {
tk.Context = c;
tk.TranslateAndScale(new Point(-area.Start.X, -area.Start.Y), new Point(1, 1));
tk.DrawImage(image);
foreach (Drawable d in fd.Drawables)
{
ICanvasSelectableObject obj = CanvasFromDrawableObject(d);
obj.Draw(tk, null);
obj.Dispose();
}
if (fd.Freehand != null)
{
tk.DrawImage(fd.Freehand);
}
}
img = surface.Copy();
surface.Dispose();
return(img);
}
ICanvasSelectableObject Add(IBlackboardObject drawable)
{
ICanvasSelectableObject cso = Utils.CanvasFromDrawableObject(drawable);
AddObject(cso);
return(cso);
}
/// <summary>
/// Reset the list of select objects
/// </summary>
public void ClearSelection()
{
foreach (Selection sel in Selections)
{
ICanvasSelectableObject po = sel.Drawable as ICanvasSelectableObject;
po.Selected = false;
}
if (Objects != null)
{
foreach (ICanvasSelectableObject cso in Objects)
{
cso.Selected = false;
}
}
Selections.Clear();
}
public void Paste()
{
if (copiedItems != null && copiedItems.Count > 0)
{
var selectionsCopy = Selections.ToList();
ClearSelection();
foreach (Selection sel in selectionsCopy)
{
ICanvasDrawableObject selectionDrawable = sel.Drawable as ICanvasDrawableObject;
if (selectionDrawable == null)
{
continue;
}
var copy = (Drawable)(selectionDrawable.IDrawableObject).Clone();
copy.Move(SelectionPosition.All, new Point(copy.Area.TopLeft.X + 20, copy.Area.TopLeft.Y + 20),
new Point(copy.Area.TopLeft.X, copy.Area.TopLeft.Y));
drawing.Drawables.Add(copy);
ICanvasSelectableObject copyView = Add(copy);
UpdateSelection(new Selection(copyView, sel.Position, sel.Accuracy), false);
}
SelectionChanged(Selections);
widget?.ReDraw();
}
}
