+class RenderColor;
+class RenderControl;
+class TrueRenderControl;
+class PseudoRenderControl;
+
+#ifdef HAVE_STDINT_H
+typedef uint32_t pixel32;
+typedef uint16_t pixel16;
+#else
+typedef u_int32_t pixel32;
+typedef u_int16_t pixel16;
+#endif /* HAVE_STDINT_H */