Index: animator/gc.h
===================================================================
--- animator/gc.h	(revision 5129)
+++ animator/gc.h	(revision 5130)
@@ -9,6 +9,15 @@
 #define NUM_GC 32
 gc_t gc[NUM_GC];
 
+static gc_t *use_gc(int idx)
+{
+	if ((idx < 0) || (idx >= NUM_GC))
+		return NULL;
+	if (!gc[idx].in_use)
+		return NULL;
+	return gc+idx;
+}
+
 static void cmd_makeGC(proto_node_t *args)
 {
 	int n, found = 0;
@@ -35,7 +44,7 @@
 
 static void cmd_delGC(proto_node_t *args)
 {
-	char *gs = str(child1(args));
+	char *gs = astr(child1(args));
 	if (gs != NULL) {
 		int idx = atoi(gs);
 		if ((idx >= 0) && (idx < NUM_GC))
@@ -55,7 +64,7 @@
 {
 	int idx;
 	proto_node_t *ch1 = child1(args);
-	char *gs = str(ch1), *cs = str(next(ch1));
+	char *gs = astr(ch1), *cs = astr(next(ch1));
 
 	if ((cs == NULL) || (gs == NULL))
 		return;
@@ -69,7 +78,7 @@
 {
 	int idx;
 	proto_node_t *ch1 = child1(args);
-	char *gs = str(ch1), *cs = str(next(ch1));
+	char *gs = astr(ch1), *cs = astr(next(ch1));
 
 	if ((cs == NULL) || (gs == NULL))
 		return;
@@ -84,7 +93,7 @@
 	char *end;
 	double d;
 	proto_node_t *ch1 = child1(args);
-	char *gs = str(ch1), *ws = str(next(ch1));
+	char *gs = astr(ch1), *ws = astr(next(ch1));
 
 	if ((ws == NULL) || (gs == NULL))
 		return;
@@ -98,7 +107,7 @@
 {
 	int idx;
 	proto_node_t *ch1 = child1(args);
-	char *gs = str(ch1), *xs = str(next(ch1));
+	char *gs = astr(ch1), *xs = astr(next(ch1));
 
 	if ((xs == NULL) || (gs == NULL))
 		return;
Index: animator/hid_anim.c
===================================================================
--- animator/hid_anim.c	(revision 5129)
+++ animator/hid_anim.c	(revision 5130)
@@ -17,9 +17,12 @@
 
 static char *current_unit = NULL;
 
+#include "gc.h"
+
+
 static void cmd_ver(proto_node_t *args)
 {
-	char *vs = str(child1(args));
+	char *vs = astr(child1(args));
 	if (vs != NULL) {
 		int ver = atoi(vs);
 		if (ver != 1) {
@@ -31,7 +34,7 @@
 
 static void cmd_unit(proto_node_t *args)
 {
-	char *us = str(child1(args));
+	char *us = astr(child1(args));
 	if (us != NULL) {
 		if (current_unit != NULL)
 			free(current_unit);
@@ -39,6 +42,28 @@
 	}
 }
 
+#define BADVAL -1024
+static void cmd_line(proto_node_t *args)
+{
+	proto_node_t *ch1 = child1(args);
+	int gci = aint(ch1, -1);
+	double x1, y1, x2, y2;
+	gc_t *gc;
+
+	x1 = adbl(next(ch1), BADVAL);
+	y1 = adbl(next(next(ch1)), BADVAL);
+	x2 = adbl(next(next(next(ch1))), BADVAL);
+	y2 = adbl(next(next(next(next(ch1)))), BADVAL);
+	if ((gci == BADVAL) || (x1 == BADVAL) || (y1 == BADVAL) || (x2 == BADVAL) || (y2 == BADVAL))
+		abort();
+	gc = use_gc(gci);
+	if (gc == NULL)
+		abort();
+	if (strcmp(gc->name
+
+	draw_rline(x1, y1, x2, y2, gc->width, gc->cap == 'r');
+}
+
 static void cmd_ready(proto_node_t *args)
 {
 	send_begin(&pctx, "ready");
@@ -47,7 +72,6 @@
 	send_end(&pctx);
 }
 
-#include "gc.h"
 
 static void read_netin(void)
 {
@@ -62,7 +86,6 @@
 			case PRES_PROCEED:
 				break;
 			case PRES_GOT_MSG:
-				printf("cmd\n");
 				switch(cmds_sphash(pctx.pcmd)) {
 					case cmds_ver: cmd_ver(pctx.targ); break;
 					case cmds_unit: cmd_unit(pctx.targ); break;
@@ -73,6 +96,7 @@
 					case cmds_cap: cmd_cap(pctx.targ); break;
 					case cmds_linwid: cmd_linwid(pctx.targ); break;
 					case cmds_setxor: cmd_setxor(pctx.targ); break;
+					case cmds_line: cmd_line(pctx.targ); break;
 				
 					/* ignore */
 					case cmds_inval: