#include "config.h"
#include "FloatPoint.h"
#include "AffineTransform.h"
#include "FloatConversion.h"
#include "IntPoint.h"
#include "TransformationMatrix.h"
#include <limits>
#include <math.h>
#include <wtf/text/TextStream.h>
namespace WebCore {
FloatPoint::FloatPoint(const IntPoint& p) : m_x(p.x()), m_y(p.y())
{
}
FloatPoint FloatPoint::constrainedBetween(const FloatPoint& min, const FloatPoint& max) const
{
return {
std::max(min.x(), std::min(max.x(), m_x)),
std::max(min.y(), std::min(max.y(), m_y))
};
}
void FloatPoint::normalize()
{
float tempLength = length();
if (tempLength) {
m_x /= tempLength;
m_y /= tempLength;
}
}
float FloatPoint::slopeAngleRadians() const
{
return atan2f(m_y, m_x);
}
float FloatPoint::length() const
{
return sqrtf(lengthSquared());
}
FloatPoint FloatPoint::matrixTransform(const AffineTransform& transform) const
{
double newX, newY;
transform.map(static_cast<double>(m_x), static_cast<double>(m_y), newX, newY);
return narrowPrecision(newX, newY);
}
FloatPoint FloatPoint::matrixTransform(const TransformationMatrix& transform) const
{
double newX, newY;
transform.map(static_cast<double>(m_x), static_cast<double>(m_y), newX, newY);
return narrowPrecision(newX, newY);
}
FloatPoint FloatPoint::narrowPrecision(double x, double y)
{
return FloatPoint(narrowPrecisionToFloat(x), narrowPrecisionToFloat(y));
}
TextStream& operator<<(TextStream& ts, const FloatPoint& p)
{
return ts << "(" << TextStream::FormatNumberRespectingIntegers(p.x()) << "," << TextStream::FormatNumberRespectingIntegers(p.y()) << ")";
}
}