Add gdk_draw_rectangle_alpha_libgtk_only which uses XRenderFillRectangle

Add gdk_draw_rectangle_alpha_libgtk_only which uses XRenderFillRectangle

2004-07-27  Anders Carlsson  <andersca@gnome.org>

	* demos/gtk-demo/iconview.c: (do_iconview):
	* gdk/gdkdrawable.h:
	* gdk/linux-fb/gdkdrawable-fb2.c:
	(gdk_draw_rectangle_alpha_libgtk_only):
	* gdk/win32/gdkdrawable-win32.c:
	(gdk_draw_rectangle_alpha_libgtk_only):
	* gdk/x11/gdkdrawable-x11.c: (gdk_x11_draw_image),
	(get_impl_drawable), (gdk_x11_draw_pixbuf),
	(gdk_draw_rectangle_alpha_libgtk_only):
	Add gdk_draw_rectangle_alpha_libgtk_only which uses
	XRenderFillRectangle on X11. It's stubbed out on the
	Win32 and fb backends.

	* gtk/gtkiconview.c:
	(gtk_icon_view_paint_rubberband):
	Use gdk_draw_rectangle_alpha_libgtk_only here.