127 lines
4.3 KiB
C++
127 lines
4.3 KiB
C++
/************************************************************************
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**
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** @file
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date 16 5, 2017
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**
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** @brief
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** @copyright
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** This source code is part of the Valentina project, a pattern making
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** program, whose allow create and modeling patterns of clothing.
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** Copyright (C) 2017 Valentina project
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** <https://bitbucket.org/dismine/valentina> All Rights Reserved.
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**
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** Valentina is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** Valentina is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with Valentina. If not, see <http://www.gnu.org/licenses/>.
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**
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*************************************************************************/
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#include "vcurvepathitem.h"
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#include "../vwidgets/global.h"
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#include "../vgeometry/vabstractcurve.h"
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#include <QPainter>
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//---------------------------------------------------------------------------------------------------------------------
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VCurvePathItem::VCurvePathItem(QGraphicsItem *parent)
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: QGraphicsPathItem(parent),
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m_directionArrows(),
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m_points(),
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m_defaultWidth(widthMainLine)
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{
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}
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//---------------------------------------------------------------------------------------------------------------------
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QPainterPath VCurvePathItem::shape() const
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{
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QPainterPath itemPath;
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if (not m_points.isEmpty())
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{
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for (qint32 i = 0; i < m_points.count()-1; ++i)
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{
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itemPath.moveTo(m_points.at(i));
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itemPath.lineTo(m_points.at(i+1));
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}
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}
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else
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{
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itemPath = path();
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}
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const QPainterPath arrowsPath = VAbstractCurve::ShowDirection(m_directionArrows,
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ScaleWidth(VAbstractCurve::lengthCurveDirectionArrow,
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SceneScale(scene())));
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if (arrowsPath != QPainterPath())
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{
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itemPath.addPath(arrowsPath);
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}
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itemPath.setFillRule(Qt::WindingFill);
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return ItemShapeFromPath(itemPath, pen());
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VCurvePathItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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ScalePenWidth();
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const QPainterPath arrowsPath = VAbstractCurve::ShowDirection(m_directionArrows,
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ScaleWidth(VAbstractCurve::lengthCurveDirectionArrow,
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SceneScale(scene())));
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if (arrowsPath != QPainterPath())
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{
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painter->save();
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QPen arrowPen(pen());
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arrowPen.setStyle(Qt::SolidLine);
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painter->setPen(arrowPen);
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painter->setBrush(brush());
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painter->drawPath(arrowsPath);
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painter->restore();
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}
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QGraphicsPathItem::paint(painter, option, widget);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VCurvePathItem::SetDirectionArrows(const QVector<QPair<QLineF, QLineF> > &arrows)
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{
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m_directionArrows = arrows;
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VCurvePathItem::SetPoints(const QVector<QPointF> &points)
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{
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m_points = points;
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VCurvePathItem::SetWidth(qreal width)
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{
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m_defaultWidth = width;
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VCurvePathItem::ScalePenWidth()
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{
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const qreal width = ScaleWidth(m_defaultWidth, SceneScale(scene()));
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QPen toolPen = pen();
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toolPen.setWidthF(width);
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setPen(toolPen);
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}
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