#ifndef IntSize_h
#define IntSize_h
#include <wtf/Platform.h>
#include <CoreGraphics/CoreGraphics.h>
#if PLATFORM(CG)
typedef struct CGSize CGSize;
#endif
#ifndef NSSize
#define NSSize CGSize
#endif
#if PLATFORM(WIN)
typedef struct tagSIZE SIZE;
#elif PLATFORM(QT)
#include <qglobal.h>
QT_BEGIN_NAMESPACE
class QSize;
QT_END_NAMESPACE
#endif
namespace WebCore {
class IntSize {
public:
IntSize() : m_width(0), m_height(0) { }
IntSize(int width, int height) : m_width(width), m_height(height) { }
int width() const { return m_width; }
int height() const { return m_height; }
void setWidth(int width) { m_width = width; }
void setHeight(int height) { m_height = height; }
bool isEmpty() const { return m_width <= 0 || m_height <= 0; }
bool isZero() const { return !m_width && !m_height; }
void expand(int width, int height)
{
m_width += width;
m_height += height;
}
void scale(float scale)
{
m_width = static_cast<int>(static_cast<float>(m_width) * scale);
m_height = static_cast<int>(static_cast<float>(m_height) * scale);
}
IntSize expandedTo(const IntSize& other) const
{
return IntSize(m_width > other.m_width ? m_width : other.m_width,
m_height > other.m_height ? m_height : other.m_height);
}
IntSize shrunkTo(const IntSize& other) const
{
return IntSize(m_width < other.m_width ? m_width : other.m_width,
m_height < other.m_height ? m_height : other.m_height);
}
void clampNegativeToZero()
{
*this = expandedTo(IntSize());
}
#if PLATFORM(CG)
explicit IntSize(const CGSize&); operator CGSize() const;
#endif
#if PLATFORM(WIN)
IntSize(const SIZE&);
operator SIZE() const;
#endif
#if PLATFORM(QT)
IntSize(const QSize&);
operator QSize() const;
#endif
private:
int m_width, m_height;
};
inline IntSize& operator+=(IntSize& a, const IntSize& b)
{
a.setWidth(a.width() + b.width());
a.setHeight(a.height() + b.height());
return a;
}
inline IntSize& operator-=(IntSize& a, const IntSize& b)
{
a.setWidth(a.width() - b.width());
a.setHeight(a.height() - b.height());
return a;
}
inline IntSize operator+(const IntSize& a, const IntSize& b)
{
return IntSize(a.width() + b.width(), a.height() + b.height());
}
inline IntSize operator-(const IntSize& a, const IntSize& b)
{
return IntSize(a.width() - b.width(), a.height() - b.height());
}
inline IntSize operator-(const IntSize& size)
{
return IntSize(-size.width(), -size.height());
}
inline bool operator==(const IntSize& a, const IntSize& b)
{
return a.width() == b.width() && a.height() == b.height();
}
inline bool operator!=(const IntSize& a, const IntSize& b)
{
return a.width() != b.width() || a.height() != b.height();
}
}
#endif // IntSize_h