Initial commit

1 files changed, 42 insertions, 0 deletions

diff --git a/pkg/images/tv/tvmark/mknew.x b/pkg/images/tv/tvmark/mknew.x
new file mode 100644
index 00000000..27a5a3af
--- /dev/null
+++ b/pkg/images/tv/tvmark/mknew.x
@@ -0,0 +1,42 @@
+# MK_NEW -- Procedure to determine whether the current star is the same as
+# the previous star and/or whether the current star belongs to the coordinate
+# list or not.
+
+int procedure mk_new (wx, wy, owx, owy, xlist, ylist, newlist)
+
+real	wx		# x cursor coordinate
+real	wy		# y cursor coordinate
+real	owx		# old x cursor coordinate
+real	owy		# old y cursor coordinate
+real	xlist		# x list coordinate
+real	ylist		# y list coordinate
+int	newlist		# integer new list
+
+int	newobject
+real	deltaxy
+bool	fp_equalr()
+
+begin
+	deltaxy = 1.0
+
+	if (newlist == NO) {
+            if (! fp_equalr (wx, owx) || ! fp_equalr (wy, owy))
+		newobject = YES
+	    else
+		newobject = NO
+	} else if ((abs (xlist - wx) <= deltaxy) &&
+	        (abs (ylist - wy) <= deltaxy)) {
+	    wx = xlist
+	    wy = ylist
+	    newobject = NO
+	} else if (fp_equalr (wx, owx) && fp_equalr (wy, owy)) {
+	    wx = xlist
+	    wy = ylist
+	    newobject = NO
+	} else {
+	    newlist = NO
+	    newobject = YES
+	}
+
+	return (newobject)
+end