DEPRECATED. A widget to display RGB or grayscale data.
GObject `-- GtkObject `-- GtkWidget `-- GtkPreview
WARNING! This class has been deprecated in PHP-GTK 2 and should NOT be used in newly written code. Use GtkImage with a GdkPixbuf or GtkDrawingArea
GtkPreview (GtkPreviewType type); --
draw_row() put() set_dither() set_expand() size() get_cmap() get_preview_visual() reset() set_color_cube() set_gamma() set_install_cmap() set_reserved()