Initial commit

1 files changed, 65 insertions, 0 deletions

diff --git a/pkg/xtools/gtools/gtswind.x b/pkg/xtools/gtools/gtswind.x
new file mode 100644
index 00000000..02766326
--- /dev/null
+++ b/pkg/xtools/gtools/gtswind.x
@@ -0,0 +1,65 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<gset.h>
+include <mach.h>
+include	"gtools.h"
+	
+# GT_SWIND -- Set graphics window.
+
+procedure gt_swind (gp, gt)
+
+pointer	gp			# GIO pointer
+pointer	gt			# GTOOLS pointer
+
+real	xmin, xmax, dx, ymin, ymax, dy
+
+begin
+	if (gt != NULL) {
+	    if (GT_TRANSPOSE(gt) == NO) {
+	        call gseti (gp, G_XTRAN, GT_XTRAN(gt))
+	        call gseti (gp, G_YTRAN, GT_YTRAN(gt))
+	    } else {
+	        call gseti (gp, G_YTRAN, GT_XTRAN(gt))
+	        call gseti (gp, G_XTRAN, GT_YTRAN(gt))
+	    }
+	    call ggwind (gp, xmin, xmax, ymin, ymax)
+	    dx = xmax - xmin
+	    dy = ymax - ymin
+
+	    if (IS_INDEF (GT_XMIN(gt)))
+		xmin = xmin - GT_XBUF(gt) * dx
+	    else
+		xmin = GT_XMIN(gt)
+
+	    if (IS_INDEF (GT_XMAX(gt)))
+		xmax = xmax + GT_XBUF(gt) * dx
+	    else
+		xmax = GT_XMAX(gt)
+
+	    if (IS_INDEF (GT_YMIN(gt)))
+		ymin = ymin - GT_YBUF(gt) * dy
+	    else
+		ymin = GT_YMIN(gt)
+
+	    if (IS_INDEF (GT_YMAX(gt)))
+		ymax = ymax + GT_YBUF(gt) * dy
+	    else
+		ymax = GT_YMAX(gt)
+
+	    if (GT_XFLIP(gt) == YES) {
+		dx = xmin
+		xmin = xmax
+		xmax = dx
+	    }
+	    if (GT_YFLIP(gt) == YES) {
+		dy = ymin
+		ymin = ymax
+		ymax = dy
+	    }
+
+	    if (GT_TRANSPOSE(gt) == NO)
+		call gswind (gp, xmin, xmax, ymin, ymax)
+	    else
+	        call gswind (gp, ymin, ymax, xmin, xmax)
+	}
+end