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-rw-r--r--sys/gio/stdgraph/stgreset.x54
1 files changed, 54 insertions, 0 deletions
diff --git a/sys/gio/stdgraph/stgreset.x b/sys/gio/stdgraph/stgreset.x
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+++ b/sys/gio/stdgraph/stgreset.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include <gset.h>
+include "stdgraph.h"
+
+# STG_RESET -- Reset the state of the stdgraph 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 stg_reset()
+
+pointer pl, pm, fa, tx
+include "stdgraph.com"
+
+begin
+ # Set pointers to attribute substructures.
+ pl = SG_PLAP(g_sg)
+ pm = SG_PMAP(g_sg)
+ fa = SG_FAAP(g_sg)
+ tx = SG_TXAP(g_sg)
+
+ # Initialize the attribute packets.
+ PL_LTYPE(pl) = 1
+ PL_WIDTH(pl) = 1
+ PL_COLOR(pl) = 1
+ PM_COLOR(pm) = 1
+ FA_STYLE(fa) = 1
+ FA_COLOR(fa) = 1
+ TX_UP(tx) = 90
+ TX_SIZE(tx) = 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.
+
+ SG_COLOR(g_sg) = -1
+ SG_TXSIZE(g_sg) = -1
+ SG_TXFONT(g_sg) = -1
+ SG_PLTYPE(g_sg) = -1
+ SG_FASTYLE(g_sg) = -1
+ SG_PLWIDTH(g_sg) = -1
+ g_lastx = -1
+ g_lasty = -1
+ g_keycol = 1
+ g_keyline = 1
+ g_message = NO
+ g_msglen = 0
+end