--- ray/src/rt/rv3.c	2008/08/28 23:50:39	2.25
+++ ray/src/rt/rv3.c	2008/08/29 05:46:03	2.26
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: rv3.c,v 2.25 2008/08/28 23:50:39 greg Exp $";
+static const char	RCSid[] = "$Id: rv3.c,v 2.26 2008/08/29 05:46:03 greg Exp $";
 #endif
 /*
  *  rv3.c - miscellaneous routines for rview.
@@ -146,7 +146,27 @@ greyof(				/* convert color to greyscale */
 	return(gcol);
 }
 
+static void
+recolor(					/* recolor the given node */
+	PNODE *p
+)
+{
+	while (p->kid != NULL) {		/* need to propogate down */
+		int  mx = (p->xmin + p->xmax) >> 1;
+		int  my = (p->ymin + p->ymax) >> 1;
+		int  ki;
+		if (p->x >= mx)
+			ki = (p->y >= my) ? UR : DR;
+		else
+			ki = (p->y >= my) ? UL : DL;
+		pcopy(p, p->kid+ki);
+		p = p->kid + ki;
+	}
 
+	(*dev->paintr)(greyscale?greyof(p->v):p->v,
+			p->xmin, p->ymin, p->xmax, p->ymax);
+}
+
 int
 paint(			/* compute and paint a rectangle */
 	PNODE  *p
@@ -186,21 +206,8 @@ paint(			/* compute and paint a rectangle */
 	copycolor(p->v, thisray.rcol);
 	scalecolor(p->v, exposure);
 
-	while (p->kid != NULL) {		/* need to propogate down */
-		int  mx = (p->xmin + p->xmax) >> 1;
-		int  my = (p->ymin + p->ymax) >> 1;
-		int  ki;
-		if (p->x >= mx)
-			ki = (p->y >= my) ? UR : DR;
-		else
-			ki = (p->y >= my) ? UL : DL;
-		pcopy(p, p->kid+ki);
-		p = p->kid + ki;
-	}
+	recolor(p);				/* paint it */
 
-	(*dev->paintr)(greyscale?greyof(p->v):p->v,
-			p->xmin, p->ymin, p->xmax, p->ymax);
-
 	if (ambounce <= 0)			/* shall we check for input? */
 		flushintvl = ray_pnprocs*WFLUSH;
 	else if (niflush < WFLUSH)
@@ -228,8 +235,7 @@ waitrays(void)					/* finish up pending rays */
 		PNODE  *p = (PNODE *)raydone.rno;
 		copycolor(p->v, raydone.rcol);
 		scalecolor(p->v, exposure);
-		(*dev->paintr)(greyscale?greyof(p->v):p->v,
-				p->xmin, p->ymin, p->xmax, p->ymax);
+		recolor(p);
 		nwaited++;
 	}
 	if (rval < 0)