41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "ui/gfx/geometry/point3_f.h"
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#include "base/strings/stringprintf.h"
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namespace gfx {
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std::string Point3F::ToString() const {
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return base::StringPrintf("%f,%f,%f", x_, y_, z_);
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}
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Point3F operator+(const Point3F& lhs, const Vector3dF& rhs) {
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float x = lhs.x() + rhs.x();
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float y = lhs.y() + rhs.y();
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float z = lhs.z() + rhs.z();
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return Point3F(x, y, z);
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}
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// Subtract a vector from a point, producing a new point offset by the vector's
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// inverse.
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Point3F operator-(const Point3F& lhs, const Vector3dF& rhs) {
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float x = lhs.x() - rhs.x();
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float y = lhs.y() - rhs.y();
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float z = lhs.z() - rhs.z();
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return Point3F(x, y, z);
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}
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// Subtract one point from another, producing a vector that represents the
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// distances between the two points along each axis.
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Vector3dF operator-(const Point3F& lhs, const Point3F& rhs) {
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float x = lhs.x() - rhs.x();
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float y = lhs.y() - rhs.y();
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float z = lhs.z() - rhs.z();
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return Vector3dF(x, y, z);
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}
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} // namespace gfx
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