Move geometric types to a separate, more lightweight target.

ui/gfx/vector2d_f.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright 2013 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.
 
-// Defines a simple float vector class.  This class is used to indicate a
-// distance in two dimensions between two points. Subtracting two points should
-// produce a vector, and adding a vector to a point produces the point at the
-// vector's distance from the original point.
+// TODO(beng): remove once callsites are patched.
+#include "ui/gfx/geometry/vector2d_f.h"
 
-#ifndef UI_GFX_VECTOR2D_F_H_
-#define UI_GFX_VECTOR2D_F_H_
-
-#include <string>
-
-#include "ui/gfx/gfx_export.h"
-
-namespace gfx {
-
-class GFX_EXPORT Vector2dF {
- public:
-  Vector2dF() : x_(0), y_(0) {}
-  Vector2dF(float x, float y) : x_(x), y_(y) {}
-
-  float x() const { return x_; }
-  void set_x(float x) { x_ = x; }
-
-  float y() const { return y_; }
-  void set_y(float y) { y_ = y; }
-
-  // True if both components of the vector are 0.
-  bool IsZero() const;
-
-  // Add the components of the |other| vector to the current vector.
-  void Add(const Vector2dF& other);
-  // Subtract the components of the |other| vector from the current vector.
-  void Subtract(const Vector2dF& other);
-
-  void operator+=(const Vector2dF& other) { Add(other); }
-  void operator-=(const Vector2dF& other) { Subtract(other); }
-
-  void SetToMin(const Vector2dF& other) {
-    x_ = x_ <= other.x_ ? x_ : other.x_;
-    y_ = y_ <= other.y_ ? y_ : other.y_;
-  }
-
-  void SetToMax(const Vector2dF& other) {
-    x_ = x_ >= other.x_ ? x_ : other.x_;
-    y_ = y_ >= other.y_ ? y_ : other.y_;
-  }
-
-  // Gives the square of the diagonal length of the vector.
-  double LengthSquared() const;
-  // Gives the diagonal length of the vector.
-  float Length() const;
-
-  // Scale the x and y components of the vector by |scale|.
-  void Scale(float scale) { Scale(scale, scale); }
-  // Scale the x and y components of the vector by |x_scale| and |y_scale|
-  // respectively.
-  void Scale(float x_scale, float y_scale);
-
-  std::string ToString() const;
-
- private:
-  float x_;
-  float y_;
-};
-
-inline bool operator==(const Vector2dF& lhs, const Vector2dF& rhs) {
-  return lhs.x() == rhs.x() && lhs.y() == rhs.y();
-}
-
-inline bool operator!=(const Vector2dF& lhs, const Vector2dF& rhs) {
-  return !(lhs == rhs);
-}
-
-inline Vector2dF operator-(const Vector2dF& v) {
-  return Vector2dF(-v.x(), -v.y());
-}
-
-inline Vector2dF operator+(const Vector2dF& lhs, const Vector2dF& rhs) {
-  Vector2dF result = lhs;
-  result.Add(rhs);
-  return result;
-}
-
-inline Vector2dF operator-(const Vector2dF& lhs, const Vector2dF& rhs) {
-  Vector2dF result = lhs;
-  result.Add(-rhs);
-  return result;
-}
-
-// Return the cross product of two vectors.
-GFX_EXPORT double CrossProduct(const Vector2dF& lhs, const Vector2dF& rhs);
-
-// Return the dot product of two vectors.
-GFX_EXPORT double DotProduct(const Vector2dF& lhs, const Vector2dF& rhs);
-
-// Return a vector that is |v| scaled by the given scale factors along each
-// axis.
-GFX_EXPORT Vector2dF ScaleVector2d(const Vector2dF& v,
-                                   float x_scale,
-                                   float y_scale);
-
-// Return a vector that is |v| scaled by the given scale factor.
-inline Vector2dF ScaleVector2d(const Vector2dF& v, float scale) {
-  return ScaleVector2d(v, scale, scale);
-}
-
-}  // namespace gfx
-
-#endif // UI_GFX_VECTOR2D_F_H_