1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "ui/gfx/geometry/point3_f.h"
6
7#include "base/strings/stringprintf.h"
8
9namespace gfx {
10
11std::string Point3F::ToString() const {
12  return base::StringPrintf("%f,%f,%f", x_, y_, z_);
13}
14
15Point3F operator+(const Point3F& lhs, const Vector3dF& rhs) {
16  float x = lhs.x() + rhs.x();
17  float y = lhs.y() + rhs.y();
18  float z = lhs.z() + rhs.z();
19  return Point3F(x, y, z);
20}
21
22// Subtract a vector from a point, producing a new point offset by the vector's
23// inverse.
24Point3F operator-(const Point3F& lhs, const Vector3dF& rhs) {
25  float x = lhs.x() - rhs.x();
26  float y = lhs.y() - rhs.y();
27  float z = lhs.z() - rhs.z();
28  return Point3F(x, y, z);
29}
30
31// Subtract one point from another, producing a vector that represents the
32// distances between the two points along each axis.
33Vector3dF operator-(const Point3F& lhs, const Point3F& rhs) {
34  float x = lhs.x() - rhs.x();
35  float y = lhs.y() - rhs.y();
36  float z = lhs.z() - rhs.z();
37  return Vector3dF(x, y, z);
38}
39
40}  // namespace gfx
41