Index: trunk/src/draw.c
===================================================================
--- trunk/src/draw.c	(revision 38753)
+++ trunk/src/draw.c	(revision 38754)
@@ -533,6 +533,11 @@
 		}
 	}
 
+	if (Layer->plugin_draw != NULL) {
+		Layer->plugin_draw(info, Layer);
+		goto out;
+	}
+
 	lflg = pcb_layer_flags_(Layer);
 	if (PCB_LAYERFLG_ON_VISIBLE_SIDE(lflg))
 		pcb_draw_out.active_padGC = pcb_draw_out.padGC;
Index: trunk/src/draw.h
===================================================================
--- trunk/src/draw.h	(revision 38753)
+++ trunk/src/draw.h	(revision 38754)
@@ -32,6 +32,7 @@
 #include "config.h"
 #include <librnd/hid/hid.h>
 #include "layer.h"
+#include "global_typedefs.h"
 
 /* holds information about output window */
 typedef struct {
@@ -50,7 +51,7 @@
 } pcb_pstk_draw_hole_t;
 
 /* Some low level draw callback depend on this in their void *cl */
-typedef struct pcb_draw_info_s {
+struct pcb_draw_info_s {
 	pcb_board_t *pcb;
 	int exporting;                         /* 1 if doing an export, 0 if working to screen */
 	const char *export_name;               /* name of the export plugin */
@@ -78,7 +79,7 @@
 			int per_side;
 		} subc;
 	} objcb;
-} pcb_draw_info_t;
+};
 
 /* Temporarily inhibid drawing if this is non-zero. A function that calls a
    lot of other functions that would call pcb_draw() a lot in turn may increase
Index: trunk/src/global_typedefs.h
===================================================================
--- trunk/src/global_typedefs.h	(revision 38753)
+++ trunk/src/global_typedefs.h	(revision 38754)
@@ -64,4 +64,6 @@
 
 typedef struct pcb_view_s pcb_view_t;
 
+typedef struct pcb_draw_info_s pcb_draw_info_t;
+
 #endif
Index: trunk/src/layer.h
===================================================================
--- trunk/src/layer.h	(revision 38753)
+++ trunk/src/layer.h	(revision 38754)
@@ -117,7 +117,9 @@
 #include "obj_poly_list.h"
 #include "obj_text_list.h"
 #include "obj_gfx_list.h"
+#include "global_typedefs.h"
 
+
 struct pcb_layer_s {              /* holds information about one layer */
 	PCB_ANY_OBJ_FIELDS;
 
@@ -156,6 +158,11 @@
 	} meta;
 
 	unsigned is_bound:1;
+
+	/* Optional: if not NULL, call this instead of rendering objects from
+	   layer data, after setting up info an info->xform; lets plugins
+	   implement their own custom draw functions */
+	void (*plugin_draw)(pcb_draw_info_t *info, const pcb_layer_t *Layer);
 };
 
 /* returns the layer number for the passed copper or silk layer pointer */