clarify doc

2017-03-07 17:43:13 +01:00 · 2017-03-07 17:43:13 +01:00 · ee634c2a28
parent 7feecc2e35
commit ee634c2a28
1 changed files with 2 additions and 0 deletions
--- a/interface.go
+++ b/interface.go
@ -107,6 +107,8 @@ type Picture interface {
 	Bounds() Rect

 	// Slice returns a sub-Picture with specified Bounds.
+	//
+	// A result Slice-ing outside the original Bounds is unspecified.
 	Slice(Rect) Picture

 	// Original returns the most original Picture (may be itself) that this Picture was created