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1 files changed, 36 insertions, 0 deletions

diff --git a/sys/pmio/pmline.x b/sys/pmio/pmline.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include <pmset.h>
+include	<plio.h>
+
+# PM_LINE -- Perform a rasterop operation upon a line of arbitrary width drawn
+# at an arbitrary orientation in a 2-dimensional plane of a mask.  If the
+# dimensionality of the mask exceeds 2, the pm_setplane() procedure should be
+# called first to define the plane of the mask to be modified.
+
+procedure pm_line (pl, x1, y1, x2, y2, width, rop)
+
+pointer	pl			#I mask descriptor
+int	x1,y1			#I start point of line
+int	x2,y2			#I end point of line
+int	width			#I width of line to be drawn, pixels
+int	rop			#I rasterop defining operation
+
+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_line (pl, v2[1],v2[2], v4[1],v4[2], width, rop)
+
+	} else
+	    call pl_line (pl, x1, y1, x2, y2, width, rop)
+end