Index: trunk/src/obj_arc.c
===================================================================
--- trunk/src/obj_arc.c	(revision 19703)
+++ trunk/src/obj_arc.c	(revision 19704)
@@ -745,8 +745,11 @@
 
 void pcb_arc_scale(pcb_arc_t *arc, double sx, double sy, double sth)
 {
-	pcb_arc_pre(arc);
+	int onbrd = (arc->parent.layer != NULL) && (!arc->parent.layer->is_bound);
 
+	if (onbrd)
+		pcb_arc_pre(arc);
+
 	if (sx != 1.0) {
 		arc->X = pcb_round((double)arc->X * sx);
 		arc->Width = pcb_round((double)arc->Width * sx);
@@ -761,7 +764,8 @@
 		arc->Thickness = pcb_round((double)arc->Thickness * sth);
 
 	pcb_arc_bbox(arc);
-	pcb_arc_post(arc);
+	if (onbrd)
+		pcb_arc_post(arc);
 }
 
 /* rotates an arc */
Index: trunk/src/obj_line.c
===================================================================
--- trunk/src/obj_line.c	(revision 19703)
+++ trunk/src/obj_line.c	(revision 19704)
@@ -856,8 +856,11 @@
 
 void pcb_line_scale(pcb_line_t *line, double sx, double sy, double sth)
 {
-	pcb_line_pre(line);
+	int onbrd = (line->parent.layer != NULL) && (!line->parent.layer->is_bound);
 
+	if (onbrd)
+		pcb_line_pre(line);
+
 	if (sx != 1.0) {
 		line->Point1.X = pcb_round((double)line->Point1.X * sx);
 		line->Point2.X = pcb_round((double)line->Point2.X * sx);
@@ -872,7 +875,9 @@
 		line->Thickness = pcb_round((double)line->Thickness * sth);
 
 	pcb_line_bbox(line);
-	pcb_line_post(line);
+
+	if (onbrd)
+		pcb_line_post(line);
 }
 
 void pcb_line_flip_side(pcb_layer_t *layer, pcb_line_t *line)
Index: trunk/src/obj_poly.c
===================================================================
--- trunk/src/obj_poly.c	(revision 19703)
+++ trunk/src/obj_poly.c	(revision 19704)
@@ -186,7 +186,10 @@
 
 void pcb_poly_scale(pcb_poly_t *poly, double sx, double sy)
 {
-	pcb_poly_pre(poly);
+	int onbrd = (poly->parent.layer != NULL) && (!poly->parent.layer->is_bound);
+
+	if (onbrd)
+		pcb_poly_pre(poly);
 	PCB_POLY_POINT_LOOP(poly);
 	{
 		point->X = pcb_round((double)point->X * sx);
@@ -194,7 +197,8 @@
 	}
 	PCB_END_LOOP;
 	pcb_poly_bbox(poly);
-	pcb_poly_post(poly);
+	if (onbrd)
+		pcb_poly_post(poly);
 }
 
 
Index: trunk/src/obj_text.c
===================================================================
--- trunk/src/obj_text.c	(revision 19703)
+++ trunk/src/obj_text.c	(revision 19704)
@@ -765,8 +765,11 @@
 
 void pcb_text_scale(pcb_text_t *text, double sx, double sy, double sth)
 {
-	pcb_text_pre(text);
+	int onbrd = (text->parent.layer != NULL) && (!text->parent.layer->is_bound);
 
+	if (onbrd)
+		pcb_text_pre(text);
+
 	if (sx != 1.0)
 		text->X = pcb_round((double)text->X * sx);
 
@@ -780,7 +783,8 @@
 		text->thickness = pcb_round((double)text->thickness * sth);
 
 	pcb_text_bbox(pcb_font(PCB, text->fid, 1), text);
-	pcb_text_post(text);
+	if (onbrd)
+		pcb_text_post(text);
 }