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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#ifndef SIZE_H
#define SIZE_H
#include "libsamplemacros.h"
class LIBSAMPLE_API Size
{
public:
LIBMINIMAL_DEFAULT_COPY_MOVE(Size)
explicit Size(double width = 0.0, double height = 0.0) noexcept :
m_width(width), m_height(height) {}
~Size() = default;
inline double width() const { return m_width; }
inline void setWidth(double width) { m_width = width; }
inline double height() const { return m_height; }
inline void setHeight(double height) { m_height = height; }
inline double calculateArea() const { return m_width * m_height; }
// Comparison Operators
inline bool operator<(const Size &other)
{
return calculateArea() < other.calculateArea();
}
inline bool operator>(const Size &other)
{
// On some x86 hardware and compiler combinations, floating point
// comparisons may fail due to a hardware bug. One workaround is to
// simplify comparison expressions by putting partial results in
// variables. See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=323#c109
// for details.
double a = calculateArea();
double b = other.calculateArea();
return a > b;
}
inline bool operator<=(const Size &other)
{
// See comments for operator>()
double a = calculateArea();
double b = other.calculateArea();
return a <= b;
}
inline bool operator>=(const Size &other)
{
return calculateArea() >= other.calculateArea();
}
inline bool operator<(double area) { return calculateArea() < area; }
inline bool operator>(double area) { return calculateArea() > area; }
inline bool operator<=(double area) { return calculateArea() <= area; }
inline bool operator>=(double area) { return calculateArea() >= area; }
// Arithmetic Operators
inline Size &operator+=(const Size &s)
{
m_width += s.m_width;
m_height += s.m_height;
return *this;
}
inline Size &operator-=(const Size &s)
{
m_width -= s.m_width;
m_height -= s.m_height;
return *this;
}
inline Size &operator*=(double mult)
{
m_width *= mult;
m_height *= mult;
return *this;
}
inline Size &operator/=(double div)
{
m_width /= div;
m_height /= div;
return *this;
}
// TODO: add ++size, size++, --size, size--
// External operators
friend inline bool operator==(const Size&, const Size&);
friend inline bool operator!=(const Size&, const Size&);
friend inline Size operator+(const Size&, const Size&);
friend inline Size operator-(const Size&, const Size&);
friend inline Size operator*(const Size&, double);
friend inline Size operator*(double, const Size&);
friend inline Size operator/(const Size&, double);
friend inline bool operator<(double, const Size&);
friend inline bool operator>(double, const Size&);
friend inline bool operator<=(double, const Size&);
friend inline bool operator>=(double, const Size&);
void show() const;
private:
double m_width;
double m_height;
};
// Comparison Operators
inline bool operator!=(const Size &s1, const Size &s2)
{
return s1.m_width != s2.m_width || s1.m_height != s2.m_height;
}
inline bool operator==(const Size &s1, const Size &s2)
{
return s1.m_width == s2.m_width && s1.m_height == s2.m_height;
}
inline bool operator<(double area, const Size &s)
{
return area < s.calculateArea();
}
inline bool operator>(double area, const Size &s)
{
return area > s.calculateArea();
}
inline bool operator<=(double area, const Size &s)
{
return area <= s.calculateArea();
}
inline bool operator>=(double area, const Size &s)
{
return area >= s.calculateArea();
}
// Arithmetic Operators
inline Size operator+(const Size &s1, const Size &s2)
{
return Size(s1.m_width + s2.m_width, s1.m_height + s2.m_height);
}
inline Size operator-(const Size &s1, const Size &s2)
{
return Size(s1.m_width - s2.m_width, s1.m_height - s2.m_height);
}
inline Size operator*(const Size &s, double mult)
{
return Size(s.m_width * mult, s.m_height * mult);
}
inline Size operator*(double mult, const Size &s)
{
return Size(s.m_width * mult, s.m_height * mult);
}
inline Size operator/(const Size &s, double div)
{
return Size(s.m_width / div, s.m_height / div);
}
using real = double;
using ushort = unsigned short;
class LIBSAMPLE_API SizeF
{
public:
explicit SizeF(real width, real height) : m_width(width), m_height(height) {}
real width() const { return m_width; }
real height() const { return m_height; }
static inline ushort passTypedefOfUnsignedShort(ushort value) { return value; }
private:
real m_width;
real m_height;
};
#endif // SIZE_H
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