private bool OnTimedDraw()
{
bool draw = false;
lock (_window)
{
if (!_isDrawing)
{
_isDrawing = true;
draw = true;
}
}
if (draw)
{
int w, h;
_pixmap.GetSize(out w, out h);
bool screenChanged = w != _oldWidth || h != _oldHeight;
Gdk.GC gc = new Gdk.GC(_pixmap);
_pixmap.DrawRectangle(gc, true, 0, 0, w, h);
using (Context context = Gdk.CairoHelper.Create(_pixmap))
{
#if DRAWGRID
context.Color = _gridColor;
int ew = w / 8;
int eh = h / 7;
for (int i = 0; i < 9; i++)
{
int x = i * ew + _anime % ew;
context.MoveTo(x, 0);
context.LineTo(x, h);
context.Stroke();
}
for (int j = 0; j < 8; j++)
{
int y = j * eh + _anime % eh;
context.MoveTo(0, y);
context.LineTo(w, y);
context.Stroke();
}
#endif
try
{
Cairo.Context g = Gdk.CairoHelper.Create(_pixmap);
State.Draw(_pixmap, g, w, h, screenChanged);
if (MessageBox != null)
{
MessageBox.Draw(_pixmap, g, w, h, screenChanged);
}
((IDisposable)g.Target).Dispose();
((IDisposable)g).Dispose();
}
catch (Exception e)
{
HandleFatalException(e, " experienced while attempting to run State.Draw()");
}
}
lock (_window)
{
_isDrawing = false;
}
}
_window.GetSize(out _oldWidth, out _oldHeight);
_window.QueueDrawArea(0, 0, _oldWidth, _oldHeight);
return(true);
}
