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// 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 DoubleSize_h
#define DoubleSize_h
#include "platform/geometry/FloatSize.h"
#include "platform/geometry/IntSize.h"
#include "wtf/MathExtras.h"
namespace blink {
class PLATFORM_EXPORT DoubleSize {
public:
DoubleSize() : m_width(0), m_height(0) { }
DoubleSize(double width, double height) : m_width(width), m_height(height) { }
DoubleSize(const IntSize& p) : m_width(p.width()), m_height(p.height()) { }
double width() const { return m_width; }
double height() const { return m_height; }
void setWidth(double width) { m_width = width; }
void setHeight(double height) { m_height = height; }
bool isEmpty() const { return m_width <= 0 || m_height <= 0; }
bool isZero() const;
private:
double m_width, m_height;
};
inline DoubleSize& operator+=(DoubleSize& a, const DoubleSize& b)
{
a.setWidth(a.width() + b.width());
a.setHeight(a.height() + b.height());
return a;
}
inline DoubleSize operator+(const DoubleSize& a, const DoubleSize& b)
{
return DoubleSize(a.width() + b.width(), a.height() + b.height());
}
inline DoubleSize operator-(const DoubleSize& a, const DoubleSize& b)
{
return DoubleSize(a.width() - b.width(), a.height() - b.height());
}
inline bool operator==(const DoubleSize& a, const DoubleSize& b)
{
return a.width() == b.width() && a.height() == b.height();
}
inline bool operator!=(const DoubleSize& a, const DoubleSize& b)
{
return a.width() != b.width() || a.height() != b.height();
}
inline IntSize flooredIntSize(const DoubleSize& p)
{
return IntSize(clampTo<int>(floor(p.width())), clampTo<int>(floor(p.height())));
}
inline FloatSize toFloatSize(const DoubleSize& p)
{
return FloatSize(p.width(), p.height());
}
} // namespace blink
#endif // DoubleSize_h
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