ui/gfx/point3_f.cc

   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/point3_f.h"
   6
   7 #include "base/strings/stringprintf.h"
   8
   9 namespace gfx {
  10
  11 std::string Point3F::ToString() const {
  12   return base::StringPrintf("%f,%f,%f", x_, y_, z_);
  13 }
  14
  15 Point3F 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.
  24 Point3F 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.
  33 Vector3dF 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