diff options
Diffstat (limited to 'chromium/ui/gfx/vector2d_f.h')
-rw-r--r-- | chromium/ui/gfx/vector2d_f.h | 111 |
1 files changed, 3 insertions, 108 deletions
diff --git a/chromium/ui/gfx/vector2d_f.h b/chromium/ui/gfx/vector2d_f.h index 289b9b7a8d1..28a51d3da85 100644 --- a/chromium/ui/gfx/vector2d_f.h +++ b/chromium/ui/gfx/vector2d_f.h @@ -1,112 +1,7 @@ -// 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_ |