#define EV_RENDER_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_RENDER_CONTEXT, EvRenderContextClass))
#define EV_IS_RENDER_CONTEXT(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_RENDER_CONTEXT))
#define EV_RENDER_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_RENDER_CONTEXT, EvRenderContextClass))
#define EV_IS_RENDER_CONTEXT(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_RENDER_CONTEXT))