protected void Draw(Area area)
{
if (DrawEvent != null)
{
using (CairoContext c = new CairoContext(widget.GdkWindow)) {
global::Cairo.Context cc = c.Value as global::Cairo.Context;
if (area == null)
{
Rectangle r = widget.GdkWindow.ClipRegion.Clipbox;
area = new Area(new Point(r.X, r.Y), r.Width, r.Height);
}
cc.Rectangle(area.Start.X, area.Start.Y, area.Width, area.Height);
cc.Clip();
if (widget.WidgetFlags.HasFlag(WidgetFlags.NoWindow))
{
Rectangle widgetArea = WidgetArea;
cc.Translate(widgetArea.X, widgetArea.Y);
area.Start.X -= widgetArea.X;
area.Start.Y -= widgetArea.Y;
}
DrawEvent(c, area);
}
}
}
public static void RoundedRectangle(this global::Cairo.Context cr, double x, double y, double w, double h, double r)
{
cr.MoveTo(x + r, y);
cr.Arc(x + w - r, y + r, r, Math.PI * 1.5, Math.PI * 2);
cr.Arc(x + w - r, y + h - r, r, 0, Math.PI * 0.5);
cr.Arc(x + r, y + h - r, r, Math.PI * 0.5, Math.PI);
cr.Arc(x + r, y + r, r, Math.PI, Math.PI * 1.5);
}
void Draw(Area area)
{
if (DrawEvent != null)
{
using (CairoContext c = new CairoContext(widget.GdkWindow)) {
global::Cairo.Context cc = c.Value as global::Cairo.Context;
if (area == null)
{
Rectangle r = widget.GdkWindow.ClipRegion.Clipbox;
area = new Area(new Point(r.X, r.Y), r.Width, r.Height);
}
cc.Rectangle(area.Start.X, area.Start.Y, area.Width, area.Height);
cc.Clip();
DrawEvent(c, area);
}
}
}
public CairoContext(global::Cairo.Context context)
{
Value = context;
}
public CairoContext(global::Cairo.Surface surface)
{
Value = new global::Cairo.Context(surface);
}
public CairoContext(global::Cairo.Surface surface)
{
Value = new global::Cairo.Context (surface);
}