1 files changed, 59 insertions, 0 deletions
diff --git a/sys/gio/nsppkern/gktreset.x b/sys/gio/nsppkern/gktreset.x
new file mode 100644
index 00000000..6e34cec4
--- /dev/null
+++ b/sys/gio/nsppkern/gktreset.x
@@ -0,0 +1,59 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include <gki.h>
+include	<gset.h>
+include	"gkt.h"
+
+# GKT_RESET -- Reset the state of the transform common, i.e., in response to
+# a clear or a cancel.  Initialize all attribute packets to their default
+# values and set the current state of the device to undefined, forcing the
+# device state to be reset when the next output instruction is executed.
+
+procedure gkt_reset()
+
+pointer	pl, pm, fa, tx
+include	"gkt.com"
+
+begin
+	# Set pointers to attribute substructures.
+	pl = GKT_PLAP(g_kt)
+	pm = GKT_PMAP(g_kt)
+	fa = GKT_FAAP(g_kt)
+	tx = GKT_TXAP(g_kt)
+
+	# Initialize the attribute packets.
+	PL_LTYPE(pl)	= 1
+	PL_WIDTH(pl)	= GKI_PACKREAL(1.)
+	PL_COLOR(pl)	= 1
+	PM_LTYPE(pm)	= 1
+	PM_WIDTH(pm)	= GKI_PACKREAL(1.)
+	PM_COLOR(pm)	= 1
+	FA_STYLE(fa)	= 1
+	FA_COLOR(fa)	= 1
+	TX_UP(tx)	= 90
+	TX_SIZE(tx)	= GKI_PACKREAL(1.)
+	TX_PATH(tx)	= GT_RIGHT
+	TX_HJUSTIFY(tx)	= GT_LEFT
+	TX_VJUSTIFY(tx)	= GT_BOTTOM
+	TX_FONT(tx)	= GT_ROMAN
+	TX_COLOR(tx)	= 1
+	TX_SPACING(tx)	= 0.0
+
+	# Set the device attributes to undefined, forcing them to be reset
+	# when the next output instruction is executed.
+
+	GKT_TYPE(g_kt)		= -1
+	GKT_WIDTH(g_kt)		= -1
+	GKT_COLOR(g_kt)		= -1
+	GKT_TXSIZE(g_kt)	= -1
+	GKT_TXFONT(g_kt)	= -1
+
+	# Reset the nspp common.
+
+	call z8zpii()
+
+	# If cellarray allowed, reset pixel size to standard one.
+
+	if (GKT_CELLARRAY(g_kt) != 0)
+	    call pixel0 (1,0,1,0,1,1)
+end