// Copyright 2014 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef UI_GFX_GEOMETRY_CUBIC_BEZIER_H_ #define UI_GFX_GEOMETRY_CUBIC_BEZIER_H_ #include "base/macros.h" #include "ui/gfx/gfx_export.h" namespace gfx { class GFX_EXPORT CubicBezier { public: CubicBezier(double x1, double y1, double x2, double y2); ~CubicBezier(); // Returns an approximation of y at the given x. double Solve(double x) const; // Sets |min| and |max| to the bezier's minimum and maximium y values in the // interval [0, 1]. void Range(double* min, double* max) const; private: double x1_; double y1_; double x2_; double y2_; DISALLOW_ASSIGN(CubicBezier); }; } // namespace gfx #endif // UI_GFX_GEOMETRY_CUBIC_BEZIER_H_