Index: animator/hid_anim.c
===================================================================
--- animator/hid_anim.c	(revision 4732)
+++ animator/hid_anim.c	(revision 4733)
@@ -46,7 +46,47 @@
 	send_end(&pctx);
 }
 
+typedef struct {
+	unsigned in_use:1;
+} gc_t;
 
+#define NUM_GC 32
+gc_t gc[NUM_GC];
+
+static void cmd_makeGC(proto_node_t *args)
+{
+	int n, found = 0;
+
+	send_begin(&pctx, "MakeGC");
+	send_open(&pctx, 0);
+	for(n = 0; n < NUM_GC; n++) {
+		if (!gc[n].in_use) {
+			found = 1;
+			memset(gc+n, 0, sizeof(gc_t));
+			gc[n].in_use = 1;
+			sendf(&pctx, "%d", n);
+			break;
+		}
+	}
+
+	if (!found)
+		sends(&pctx, "-1");
+
+	send_close(&pctx);
+	send_end(&pctx);
+}
+
+
+static void cmd_delGC(proto_node_t *args)
+{
+	char *gs = str(child1(args));
+	if (gs != NULL) {
+		int idx = atoi(gs);
+		if ((idx >= 0) && (idx < NUM_GC))
+			gc[idx].in_use = 0;
+	}
+}
+
 static void read_netin(void)
 {
 	P_size_t len, n;
@@ -65,6 +105,14 @@
 					case cmds_ver: cmd_ver(pctx.targ); break;
 					case cmds_unit: cmd_unit(pctx.targ); break;
 					case cmds_ready: cmd_ready(pctx.targ); break;
+					case cmds_makeGC: cmd_makeGC(pctx.targ); break;
+					case cmds_delGC: cmd_delGC(pctx.targ); break;
+				
+					/* ignore */
+					case cmds_inval:
+					case cmds_umask:
+					case cmds_setly:
+					break;
 				}
 				proto_node_free(pctx.targ);
 				break;