117 lines
5.0 KiB
C++
117 lines
5.0 KiB
C++
/************************************************************************
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**
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** @file vcontrolpointspline.cpp
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date November 15, 2013
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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 Valentine project, a pattern making
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** program, whose allow create and modeling patterns of clothing.
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** Copyright (C) 2013 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 "vcontrolpointspline.h"
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#include "../tools/vabstracttool.h"
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#include <QPen>
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#include "../widgets/vapplication.h"
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//---------------------------------------------------------------------------------------------------------------------
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VControlPointSpline::VControlPointSpline(const qint32 &indexSpline, SplinePoint::Position position,
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const QPointF &controlPoint, const QPointF &splinePoint,
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QGraphicsItem *parent)
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:QGraphicsEllipseItem(parent), radius(qApp->toPixel(1.5)), controlLine(nullptr), indexSpline(indexSpline),
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position(position)
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{
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//create circle
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QRectF rec = QRectF(0, 0, radius*2, radius*2);
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rec.translate(-rec.center().x(), -rec.center().y());
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this->setRect(rec);
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this->setPen(QPen(Qt::black, qApp->toPixel(qApp->widthHairLine())));
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this->setBrush(QBrush(Qt::NoBrush));
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this->setFlag(QGraphicsItem::ItemIsSelectable, true);
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this->setFlag(QGraphicsItem::ItemIsMovable, true);
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this->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
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this->setAcceptHoverEvents(true);
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this->setPos(controlPoint);
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QPointF p1, p2;
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VAbstractTool::LineIntersectCircle(QPointF(), radius, QLineF( QPointF(), splinePoint-controlPoint), p1, p2);
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controlLine = new QGraphicsLineItem(QLineF(splinePoint-controlPoint, p1), this);
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controlLine->setPen(QPen(Qt::red, qApp->toPixel(qApp->widthHairLine())));
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controlLine->setFlag(QGraphicsItem::ItemStacksBehindParent, true);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VControlPointSpline::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event);
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this->setPen(QPen(Qt::black, qApp->toPixel(qApp->widthMainLine())));
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VControlPointSpline::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event);
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this->setPen(QPen(Qt::black, qApp->toPixel(qApp->widthHairLine())));
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}
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//---------------------------------------------------------------------------------------------------------------------
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QVariant VControlPointSpline::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value)
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{
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if (change == ItemPositionChange && scene())
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{
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// value - new position.
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QPointF newPos = value.toPointF();
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emit ControlPointChangePosition(indexSpline, position, newPos);
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}
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return QGraphicsItem::itemChange(change, value);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VControlPointSpline::RefreshLine(const qint32 &indexSpline, SplinePoint::Position pos,
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const QPointF &controlPoint, const QPointF &splinePoint)
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{
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if (this->indexSpline == indexSpline && this->position == pos)
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{
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QPointF p1, p2;
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VAbstractTool::LineIntersectCircle(QPointF(), radius, QLineF( QPointF(), splinePoint-controlPoint), p1, p2);
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controlLine->setLine(QLineF(splinePoint-controlPoint, p1));
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VControlPointSpline::setEnabledPoint(bool enable)
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{
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if (enable == true)
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{
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this->setPen(QPen(Qt::black, qApp->toPixel(qApp->widthHairLine())));
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this->setFlag(QGraphicsItem::ItemIsSelectable, true);
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this->setFlag(QGraphicsItem::ItemIsMovable, true);
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this->setAcceptHoverEvents(true);
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}
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else
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{
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this->setPen(QPen(Qt::gray, qApp->toPixel(qApp->widthHairLine())));
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this->setFlag(QGraphicsItem::ItemIsSelectable, false);
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this->setFlag(QGraphicsItem::ItemIsMovable, false);
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this->setAcceptHoverEvents(false);
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}
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}
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