1 files changed, 34 insertions, 0 deletions
diff --git a/sys/pmio/pmbox.x b/sys/pmio/pmbox.x
new file mode 100644
index 00000000..d54eb8fa
--- /dev/null
+++ b/sys/pmio/pmbox.x
@@ -0,0 +1,34 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include <pmset.h>
+include	<plio.h>
+
+# PM_BOX -- Rasterop between a box as source, and an existing mask as dest.
+# This is a 2-dim operator.  The pm_setplane procedure is used to specify
+# the plane to be modified.
+
+procedure pm_box (pl, x1,y1, x2,y2, rop)
+
+pointer	pl			#I mask descriptor
+int	x1,y1			#I lower left corner of box
+int	x2,y2			#I upper right corner of box
+int	rop			#I rasterop
+
+errchk	pl_getplane
+include	"pmio.com"
+
+begin
+	if (PM_MAPXY(pl) == YES) {
+	    call pl_getplane (pl, v1)
+	    v1[1] = x1;  v1[2] = y1
+	    call imaplv (PM_REFIM(pl), v1, v2, PM_MAXDIM)
+
+	    call pl_getplane (pl, v3)
+	    v3[1] = x2;  v3[2] = y2
+	    call imaplv (PM_REFIM(pl), v3, v4, PM_MAXDIM)
+
+	    call pl_box (pl, v2[1],v2[2], v4[1],v4[2], rop)
+
+	} else
+	    call pl_box (pl, x1,y1, x2,y2, rop)
+end