added a bunch of rectangle tools that mimic some Qd.*Rect functions, like Qd.InsetRect.
git-svn-id: svn://svn.code.sf.net/p/fonttools/code/trunk@62 4cde692c-a291-49d1-8350-778aa11640f8
diff --git a/Lib/fontTools/misc/arrayTools.py b/Lib/fontTools/misc/arrayTools.py
index 9792b73..220650d 100644
--- a/Lib/fontTools/misc/arrayTools.py
+++ b/Lib/fontTools/misc/arrayTools.py
@@ -40,3 +40,14 @@
def offsetRect((l, t, r, b), dx, dy):
return l+dx, t+dy, r+dx, b+dy
+
+def insetRect((l, t, r, b), dx, dy):
+ return l+dx, t+dy, r-dx, b-dy
+
+def sectRect((l1, t1, r1, b1), (l2, t2, r2, b2)):
+ l, t, r, b = max(l1, l2), max(t1, t2), min(r1, r2), min(b1, b2)
+ if l >= r or t >= b:
+ return 0, (0, 0, 0, 0)
+ return 1, (l, t, r, b)
+
+