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/*
* Copyright (C) 2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "DOMRectInit.h"
#include "ScriptWrappable.h"
#include <wtf/MathExtras.h>
#include <wtf/Ref.h>
#include <wtf/RefCounted.h>
namespace WebCore {
class DOMRectReadOnly : public ScriptWrappable, public RefCounted<DOMRectReadOnly> {
WTF_MAKE_FAST_ALLOCATED;
public:
static Ref<DOMRectReadOnly> create(double x, double y, double width, double height) { return adoptRef(*new DOMRectReadOnly(x, y, width, height)); }
static Ref<DOMRectReadOnly> fromRect(const DOMRectInit& init) { return create(init.x, init.y, init.width, init.height); }
double x() const { return m_x; }
double y() const { return m_y; }
double width() const { return m_width; }
double height() const { return m_height; }
// Model NaN handling after Math.min, Math.max.
double top() const { return WTF::nanPropagatingMin(m_y, m_y + m_height); }
double right() const { return WTF::nanPropagatingMax(m_x, m_x + m_width); }
double bottom() const { return WTF::nanPropagatingMax(m_y, m_y + m_height); }
double left() const { return WTF::nanPropagatingMin(m_x, m_x + m_width); }
protected:
DOMRectReadOnly(double x, double y, double width, double height)
: m_x(x)
, m_y(y)
, m_width(width)
, m_height(height)
{
}
// Any of these can be NaN or Inf.
double m_x;
double m_y;
double m_width; // Can be negative.
double m_height; // Can be negative.
};
}
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