DOMQuad.cpp   [plain text]


/*
 * Copyright (C) 2017 Apple Inc. All rights reserved.
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#include "config.h"
#include "DOMQuad.h"

#include "DOMPoint.h"
#include "DOMRect.h"
#include <wtf/MathExtras.h>


namespace WebCore {
using namespace WTF;

DOMQuad::DOMQuad(const DOMPointInit& p1, const DOMPointInit& p2, const DOMPointInit& p3, const DOMPointInit& p4)
    : m_p1(DOMPoint::create(p1))
    , m_p2(DOMPoint::create(p2))
    , m_p3(DOMPoint::create(p3))
    , m_p4(DOMPoint::create(p4))
{
}

//  p1------p2
//  |       |
//  |       |
//  p4------p3
DOMQuad::DOMQuad(const DOMRectInit& r)
    : m_p1(DOMPoint::create(r.x, r.y))
    , m_p2(DOMPoint::create(r.x + r.width, r.y))
    , m_p3(DOMPoint::create(r.x + r.width, r.y + r.height))
    , m_p4(DOMPoint::create(r.x, r.y + r.height))
{
}

Ref<DOMRect> DOMQuad::getBounds() const
{
    double left = nanPropagatingMin(nanPropagatingMin(nanPropagatingMin(m_p1->x(), m_p2->x()), m_p3->x()), m_p4->x());
    double top = nanPropagatingMin(nanPropagatingMin(nanPropagatingMin(m_p1->y(), m_p2->y()), m_p3->y()), m_p4->y());
    double right = nanPropagatingMax(nanPropagatingMax(nanPropagatingMax(m_p1->x(), m_p2->x()), m_p3->x()), m_p4->x());
    double bottom = nanPropagatingMax(nanPropagatingMax(nanPropagatingMax(m_p1->y(), m_p2->y()), m_p3->y()), m_p4->y());

    return DOMRect::create(left, top, right - left, bottom - top);
}

}