public static void SurfaceToPngStream(Surface surface, BinaryWriter writer)
{
var obj = new CairoStreamWriter(writer);
var fn = new cairo_write_func_t(obj.do_write);
var status = cairo_surface_write_to_png_stream(surface.Handle, fn, IntPtr.Zero);
if (status != Status.Success)
throw new InvalidOperationException("Status: " + status);
}
public static void SurfaceToPngStream(Surface surface, BinaryWriter writer)
{
var obj = new CairoStreamWriter(writer);
var fn = new cairo_write_func_t(obj.do_write);
var status = cairo_surface_write_to_png_stream(surface.Handle, fn, IntPtr.Zero);
if (status != Status.Success)
{
throw new InvalidOperationException("Status: " + status);
}
}
public static extern IntPtr cairo_ps_surface_create_for_stream(cairo_write_func_t writefunc, object userdata, double width_in_points, double height_in_points);
private static extern Status cairo_surface_write_to_png_stream(
IntPtr surface,
[MarshalAs(UnmanagedType.FunctionPtr)] cairo_write_func_t cb,
IntPtr closure
);
