/// <summary>
/// Sets the reshape callback for the current window.
/// </summary>
/// <param name="func">
/// The new reshape callback function. See <see cref="ReshapeCallback" />.
/// </param>
/// <remarks>
/// <para>
/// <b>glutReshapeFunc</b> sets the reshape callback for the current window. The
/// reshape callback is triggered when a window is reshaped. A reshape callback
/// is also triggered immediately before a window's first display callback after a
/// window is created or whenever an overlay for the window is established. The
/// <i>width</i> and <i>height</i> parameters of the callback specify the new
/// window size in pixels. Before the callback, the current window is set to the
/// window that has been reshaped.
/// </para>
/// <para>
/// If a reshape callback is not registered for a window or <c>null</c> is passed
/// to <b>glutReshapeFunc</b> (to deregister a previously registered callback),
/// the default reshape callback is used. This default callback will simply call
/// <c>Gl.glViewport(0, 0, width, height)</c> on the normal plane (and on the
/// overlay if one exists).
/// </para>
/// <para>
/// If an overlay is established for the window, a single reshape callback is
/// generated. It is the callback's responsibility to update both the normal
/// plane and overlay for the window (changing the layer in use as necessary).
/// </para>
/// <para>
/// When a top-level window is reshaped, subwindows are not reshaped. It is up to
/// the GLUT program to manage the size and positions of subwindows within a
/// top-level window. Still, reshape callbacks will be triggered for subwindows
/// when their size is changed using <see cref="glutReshapeWindow" />.
/// </para>
/// </remarks>
/// <seealso cref="ReshapeCallback" />
/// <seealso cref="glutReshapeWindow" />
// GLUTAPI void APIENTRY glutReshapeFunc(void (GLUTCALLBACK *func)(int width, int height));
public static void glutReshapeFunc([In] ReshapeCallback func) {
reshapeCallback = func;
__glutReshapeFunc(reshapeCallback);
}
private static extern void __glutReshapeFunc(ReshapeCallback func);
