1 files changed, 42 insertions, 0 deletions
diff --git a/sys/gio/sgikern/sgifont.x b/sys/gio/sgikern/sgifont.x
new file mode 100644
index 00000000..808c7f56
--- /dev/null
+++ b/sys/gio/sgikern/sgifont.x
@@ -0,0 +1,42 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<gki.h>
+include	<gset.h>
+include	"sgi.h"
+
+# SGI_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 SGI_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 sgi_font (font)
+
+int	font			# code for font to be set
+
+int	normal, bold
+int	pk1, pk2, width
+include	"sgi.com"
+
+begin
+	width = SGI_WIDTH(g_kt)
+	normal = 0
+	bold = 1
+
+	pk1 = GKI_PACKREAL(real(normal))
+	pk2 = GKI_PACKREAL(real(bold))
+
+	if (font == GT_BOLD) {
+	    if (width != pk2) {
+		call sgk_linewidth (g_out, bold)
+		width = pk2
+	    }
+	} else {
+	    if (width != pk1) {
+	        call sgk_linewidth (g_out, normal)
+		width = pk1
+	    }
+	}
+
+	SGI_WIDTH(g_kt) = width
+end