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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Design Tooling
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "curveitem.h"
#include <QPainter>
#include <QPainterPath>
namespace DesignTools {
CurveItem::CurveItem(QGraphicsItem *parent)
: QGraphicsObject(parent)
, m_points({QPointF(0.0, 0.0), QPointF(1.1, 1.1)})
{}
CurveItem::CurveItem(const std::vector<QPointF> &points, QGraphicsItem *parent)
: QGraphicsObject(parent)
, m_points(points)
{}
QRectF CurveItem::boundingRect() const
{
return path().boundingRect();
}
void CurveItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
{
painter->drawPath(path());
}
QRectF CurveItem::zoom(const QTransform &transform)
{
prepareGeometryChange();
m_transform = transform;
return boundingRect();
}
QPainterPath CurveItem::path() const
{
if (m_points.empty())
return QPainterPath();
auto out = QPainterPath(m_points.front());
for (size_t i = 1; i < m_points.size(); ++i)
out.lineTo(m_transform.map(m_points[i]));
return out;
}
} // End namespace DesignTools.
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