3 // Copyright 2010 The Go Authors. All rights reserved.
4 // Use of this source code is governed by a BSD-style
5 // license that can be found in the LICENSE file.
7 // https://golang.org/issue/807
19 func (p Point) Sub(q Point) Point {
20 return Point{p.X-q.X, p.Y-q.Y}
27 func (o *Obj) Bbox() Rect {
31 func (o *Obj) Points() [2]Point{
32 return [2]Point{o.bbox.Min, o.bbox.Max}
38 o := &Obj{Rect{Point{800, 0}, Point{}}}
40 q := p.Sub(o.Bbox().Min)
41 if q.X != 0 || q.Y != 300 {
42 println("BUG dot: ", q.X, q.Y)
46 q = p.Sub(o.Points()[0])
47 if q.X != 0 || q.Y != 300 {
48 println("BUG index const: ", q.X, q.Y)
51 q = p.Sub(o.Points()[x])
52 if q.X != 0 || q.Y != 300 {
53 println("BUG index var: ", q.X, q.Y)