blob: 023035f4b9a5c335220719d451fc045557fee038 [file] [log] [blame]
/*
* Copyright (C) 2006 Apple Inc.
* Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#pragma once
#include "RoundedRect.h"
namespace WebCore {
class HitTestLocation {
public:
WEBCORE_EXPORT HitTestLocation();
HitTestLocation(const LayoutPoint&);
WEBCORE_EXPORT HitTestLocation(const FloatPoint&);
HitTestLocation(const FloatPoint&, const FloatQuad&);
HitTestLocation(const LayoutRect&);
HitTestLocation(const LayoutPoint& centerPoint, unsigned topPadding, unsigned rightPadding, unsigned bottomPadding, unsigned leftPadding);
// Make a copy the HitTestLocation in a new region by applying given offset to internal point and area.
HitTestLocation(const HitTestLocation&, const LayoutSize& offset);
WEBCORE_EXPORT HitTestLocation(const HitTestLocation&);
WEBCORE_EXPORT ~HitTestLocation();
HitTestLocation& operator=(const HitTestLocation&);
const LayoutPoint& point() const { return m_point; }
IntPoint roundedPoint() const { return roundedIntPoint(m_point); }
// Rect-based hit test related methods.
bool isRectBasedTest() const { return m_isRectBased; }
bool isRectilinear() const { return m_isRectilinear; }
IntRect boundingBox() const { return m_boundingBox; }
WEBCORE_EXPORT static IntRect rectForPoint(const LayoutPoint&, unsigned topPadding, unsigned rightPadding, unsigned bottomPadding, unsigned leftPadding);
int topPadding() const { return roundedPoint().y() - m_boundingBox.y(); }
int rightPadding() const { return m_boundingBox.maxX() - roundedPoint().x() - 1; }
int bottomPadding() const { return m_boundingBox.maxY() - roundedPoint().y() - 1; }
int leftPadding() const { return roundedPoint().x() - m_boundingBox.x(); }
bool intersects(const LayoutRect&) const;
bool intersects(const FloatRect&) const;
bool intersects(const RoundedRect&) const;
const FloatPoint& transformedPoint() const { return m_transformedPoint; }
const FloatQuad& transformedRect() const { return m_transformedRect; }
private:
template<typename RectType> bool intersectsRect(const RectType&) const;
void move(const LayoutSize&);
// These are the cached forms of the more accurate point and rect below.
LayoutPoint m_point;
IntRect m_boundingBox;
FloatPoint m_transformedPoint;
FloatQuad m_transformedRect;
bool m_isRectBased { false };
bool m_isRectilinear { true };
};
} // namespace WebCore