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-rw-r--r--sys/gio/cursor/gtrset.x28
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diff --git a/sys/gio/cursor/gtrset.x b/sys/gio/cursor/gtrset.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include <gio.h>
+include <gki.h>
+include "gtr.h"
+
+# GTRSET -- Set the workstation transformation. The workstation transformation
+# is automatically zeroed whenever the screen is cleared or when a workstation
+# is opened.
+
+procedure gtrset (fd, x1, x2, y1, y2)
+
+int fd # graphics stream to be set
+real x1, x2 # range of workstation viewport in X
+real y1, y2 # range of workstation viewport in Y
+include "gtr.com"
+
+begin
+ mx1 = x1 * GKI_MAXNDC
+ mx2 = x2 * GKI_MAXNDC
+ my1 = y1 * GKI_MAXNDC
+ my2 = y2 * GKI_MAXNDC
+
+ xscale = GKI_MAXNDC / (mx2 - mx1)
+ yscale = GKI_MAXNDC / (my2 - my1)
+
+ wstranset = YES
+end