1 files changed, 38 insertions, 0 deletions
diff --git a/sys/gio/nsppkern/gktfont.x b/sys/gio/nsppkern/gktfont.x
new file mode 100644
index 00000000..cbcb9f90
--- /dev/null
+++ b/sys/gio/nsppkern/gktfont.x
@@ -0,0 +1,38 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<gki.h>
+include	<gset.h>
+include	"gkt.h"
+
+# GKT_FONT -- Set the character font.  The roman font is normal.  Bold is
+# implemented by increasing the vector line width; care must be taken to
+# set GKT_WIDTH so that the other vector drawing procedures remember to
+# change the width back.  The italic font is implemented in the character
+# generator by a geometric transformation.
+
+procedure gkt_font (font)
+
+int	font			# code for font to be set
+int	pk1, pk2, width
+include	"gkt.com"
+
+begin
+	pk1 = GKI_PACKREAL(1.0)
+	pk2 = GKI_PACKREAL(2.0)
+
+	width = GKT_WIDTH(g_kt)
+
+	if (font == GT_BOLD) {
+	    if (width != pk2) {
+		call optn (*"inten", *"high")
+		width = pk2
+	    }
+	} else {
+	    if (GKI_UNPACKREAL(width) > 1.5) {
+		call optn (*"inten", *"low")
+		width = pk1
+	    }
+	}
+
+	GKT_WIDTH(g_kt) = width
+end