public RenderOp(GtkWidget widget, ManagedCairoSurface surface, double factor, int width, int height)
{
_widget = widget;
_surface = surface ?? throw new ArgumentNullException();
_factor = factor;
_width = width;
_height = height;
}
public ImageSurfaceFramebuffer(WindowBaseImpl impl, int width, int height, int factor)
{
_impl = impl;
_widget = impl.GtkWidget;
_factor = factor;
width *= _factor;
height *= _factor;
_surface = new ManagedCairoSurface(width, height);
Size = new PixelSize(width, height);
Address = _surface.Buffer;
RowBytes = _surface.Stride;
Native.CairoSurfaceFlush(_surface.Surface);
}
public void Dispose()
{
lock (_lock)
{
if (Dispatcher.UIThread.CheckAccess())
{
if (_impl.CurrentCairoContext != IntPtr.Zero)
{
Draw(_impl.CurrentCairoContext, _surface.Surface, _factor);
}
else
{
DrawToWidget(_widget, _surface.Surface, Size.Width, Size.Height, _factor);
}
_surface.Dispose();
}
else
{
_impl.SetNextRenderOperation(new RenderOp(_widget, _surface, _factor, Size.Width, Size.Height));
}
_surface = null;
}
}
public void Dispose()
{
_surface?.Dispose();
_surface = null;
}