public void Paint(Graphics g, Size size)
{
LocalMessageBus.Send(null,
new MenuMessage(
new MenuCommand[]
{
new MenuCommand {
Command = MenuCommands.Delete, Enabled = SelectedCount > 0
}
, new MenuCommand {
Command = MenuCommands.Copy, Enabled = !(Count < 1 || SelectedCount < 1)
}
, new MenuCommand {
Command = MenuCommands.Paste, Enabled = CopyAction.Current.CanPaste
}
}
));
if (Count < 1 || SelectedCount < 1)
{
LocalMessageBus.Send(this, new IsSelectShapImage(false));
}
else if (SelectedCount == 1 && SelectedShape.Type == ShapeType.Image)
{
LocalMessageBus.Send(this, new IsSelectShapImage(true));
}
else
{
LocalMessageBus.Send(this, new IsSelectShapImage(false));
}
if (Count < 1)
{
return;
}
Visitor.Graphics = g;
Visitor.Zoom = Zoom;
UndoService.Suspend();
//paint background Layer
ShapeBase backItem = Find(delegate(ShapeBase item)
{
return(item.IsBackground && item.IsVisible);
});
if (backItem != null)
{
if (backItem.VirtualBounds.Size != size)
{
backItem.BeginEdit();
backItem.VirtualBounds = new Rectangle(Point.Empty, size);
backItem.EndEdit();
}
//backItem.Paint(g);
backItem.Accept(Visitor);
}
ShapeBase[] shapes = this.ToArray();
bool drawSpecialShape = false;
//paint all layers except dynamic layers
foreach (ShapeBase shape in shapes)
{
if (!shape.IsVisible ||
shape.IsBackground
//|| shape.Type == ShapeType.DynamicText
//|| shape.Type == ShapeType.DynamicVideo
)
{
continue;
}
if (shape.Type == ShapeType.DownArrow ||
shape.Type == ShapeType.Ellipse ||
shape.Type == ShapeType.LeftArrow ||
shape.Type == ShapeType.Line ||
shape.Type == ShapeType.Rectangle ||
shape.Type == ShapeType.RightArrow ||
shape.Type == ShapeType.UpArrow)
{
if (!drawSpecialShape)
{
DrawSpecialShape(shapes, g);
drawSpecialShape = true;
}
}
else
{
shape.Accept(Visitor); //shape.Paint(g);
}
}
//paint dynamic layers
//将DynamicText层永远显示在最上面 add by Michael
foreach (ShapeBase shape in shapes)
{
if (shape.IsVisible && shape.IsDynamicLayer /*(shape.Type == ShapeType.DynamicText)*/)
{
shape.Accept(Visitor);//shape.Paint(g);
}
}
//paint selected layers' frame
foreach (ShapeBase shape in shapes)
{
if (!shape.IsVisible || !shape.IsSelected)
{
continue;
}
//shape.PaintSelect(g, true);
shape.DrawTracker(g);
}
UndoService.Resume();
}
