===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/plot/if.c,v
retrieving revision 1.7
retrieving revision 1.11
diff -u -p -r1.7 -r1.11
--- OpenXM_contrib2/asir2000/plot/if.c	2001/10/09 01:36:27	1.7
+++ OpenXM_contrib2/asir2000/plot/if.c	2002/08/02 02:57:48	1.11
@@ -45,14 +45,14 @@
  * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
  * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
  *
- * $OpenXM: OpenXM_contrib2/asir2000/plot/if.c,v 1.6 2001/08/22 09:19:21 noro Exp $ 
+ * $OpenXM: OpenXM_contrib2/asir2000/plot/if.c,v 1.10 2002/07/29 03:08:16 noro Exp $ 
 */
 #include "ca.h"
 #include "parse.h"
 #include "ox.h"
 #include "ifplot.h"
 
-extern jmp_buf ox_env;
+extern JMP_BUF ox_env;
 
 int open_canvas(NODE arg)
 {
@@ -270,7 +270,13 @@ int draw_obj(NODE arg)
 
 	index = QTOS((Q)ARG0(arg));
 	can = canvas[index];
-	if ( !can || !can->window ) {
+	if ( !can && closed_canvas[index] ) {
+		canvas[index] = closed_canvas[index];
+		closed_canvas[index] = 0;
+		can = canvas[index];
+		popup_canvas(index);
+		current_can = can;
+	} else if ( !can || (can && !can->window) ) {
 		set_lasterror("draw_obj : canvas does not exist");
 		return -1;
 	}
@@ -304,6 +310,39 @@ int draw_obj(NODE arg)
 	return 0;
 }
 
+int draw_string(NODE arg)
+{
+	int index,x,y;
+	char *str;
+	NODE pos;
+	struct canvas *can;
+	int color;
+
+	index = QTOS((Q)ARG0(arg));
+	can = canvas[index];
+	if ( !can && closed_canvas[index] ) {
+		canvas[index] = closed_canvas[index];
+		closed_canvas[index] = 0;
+		can = canvas[index];
+		popup_canvas(index);
+		current_can = can;
+	} else if ( !can || (can && !can->window) ) {
+		set_lasterror("draw_obj : canvas does not exist");
+		return -1;
+	}
+
+	pos = BDY((LIST)ARG1(arg));
+	str = BDY((STRING)ARG2(arg));
+	if ( argc(arg) == 4 )
+		color = QTOS((Q)ARG3(arg));
+	else
+		color = 0; /* black */
+	x = (int)ToReal((Q)ARG0(pos));
+	y = (int)ToReal((Q)ARG1(pos));
+	draw_character_string(display,can,x,y,str,color);
+	return 0;
+}
+
 int clear_canvas(NODE arg)
 {
 	int index;
@@ -542,7 +581,7 @@ void qifplotmain(struct canvas *can)
 
 	width = can->width; height = can->height;
 	tabe = (char **)ALLOCA(width*sizeof(char *)+width*height*sizeof(char));
-	bzero(tabe,width*sizeof(char *)+width*height*sizeof(char));
+	bzero((void *)tabe,width*sizeof(char *)+width*height*sizeof(char));
 	for ( i = 0, tabeb = (char *)(tabe+width); i < width; i++ )
 		tabe[i] = tabeb + height*i;
 	define_cursor(can->window,runningcur);