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// Copyright (c) 2012 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 COBALT_MATH_SIZE_F_H_
#define COBALT_MATH_SIZE_F_H_
#include <iostream>
#include <string>
#include "cobalt/math/size_base.h"
namespace cobalt {
namespace math {
// A floating-point version of Size.
class SizeF : public SizeBase<SizeF, float> {
public:
SizeF() : SizeBase<SizeF, float>(0, 0) {}
SizeF(float width, float height) : SizeBase<SizeF, float>(width, height) {}
~SizeF() {}
float GetArea() const { return width() * height(); }
void Scale(float scale) { Scale(scale, scale); }
void Scale(float x_scale, float y_scale) {
SetSize(width() * x_scale, height() * y_scale);
}
std::string ToString() const;
};
inline bool operator==(const SizeF& lhs, const SizeF& rhs) {
return lhs.width() == rhs.width() && lhs.height() == rhs.height();
}
inline bool operator!=(const SizeF& lhs, const SizeF& rhs) {
return !(lhs == rhs);
}
SizeF ScaleSize(const SizeF& p, float x_scale, float y_scale);
inline SizeF ScaleSize(const SizeF& p, float scale) {
return ScaleSize(p, scale, scale);
}
inline std::ostream& operator<<(std::ostream& stream, const SizeF& size) {
stream << "{width=" << size.width() << " height=" << size.height() << "}";
return stream;
}
extern template class SizeBase<SizeF, float>;
} // namespace math
} // namespace cobalt
#endif // COBALT_MATH_SIZE_F_H_