Initial commit

1 files changed, 51 insertions, 0 deletions

diff --git a/sys/gio/gplflush.x b/sys/gio/gplflush.x
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+++ b/sys/gio/gplflush.x
@@ -0,0 +1,51 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<gki.h>
+include	<gio.h>
+
+# GPL_FLUSH -- Flush the buffered "polyline", i.e., array of transformed and
+# clipped points.  For a polyline or fill area polygon there must be at least
+# two points (4 cells) or it will be discarded.  A single point polymarker is
+# permitted.
+
+procedure gpl_flush()
+
+int	fd
+pointer	ap
+include	"gpl.com"
+
+begin
+	if (op > 2 && gp_out != NULL) {
+	    fd = GP_FD(gp_out)
+
+	    switch (pl_type) {
+	    case POLYMARKER:
+		ap = GP_PMAP(gp_out)
+		if (PM_STATE(ap) != FIXED) {
+		    call gki_pmset (fd, ap)
+		    PM_STATE(ap) = FIXED
+		}
+		call gki_polymarker (fd, pl, op / 2)
+
+	    case FILLAREA:
+		ap = GP_FAAP(gp_out)
+		if (FA_STATE(ap) != FIXED) {
+		    call gki_faset (fd, ap)
+		    FA_STATE(ap) = FIXED
+		}
+		if (op > 4)
+		    call gki_fillarea (fd, pl, op / 2)
+
+	    default:					# (case POLYLINE)
+		ap = GP_PLAP(gp_out)
+		if (PL_STATE(ap) != FIXED) {
+		    call gki_plset (fd, ap)
+		    PL_STATE(ap) = FIXED
+		}
+		if (op > 4)
+		    call gki_polyline (fd, pl, op / 2)
+	    }
+
+	    op = 1
+	}
+end