131 lines
4.4 KiB
C++
131 lines
4.4 KiB
C++
/************************************************************************
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**
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** @file visline.cpp
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date 21 7, 2014
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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) 2014 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 "visline.h"
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#include "../tools/drawTools/vdrawtool.h"
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#include <QtCore/qmath.h>
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//---------------------------------------------------------------------------------------------------------------------
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VisLine::VisLine(const VContainer *data, QGraphicsItem *parent)
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:Visualization(data), QGraphicsLineItem(parent)
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{
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this->setZValue(1);// Show on top real tool
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InitPen();
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}
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//---------------------------------------------------------------------------------------------------------------------
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VisLine::~VisLine()
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{}
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//---------------------------------------------------------------------------------------------------------------------
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qreal VisLine::CorrectAngle(const qreal &angle) const
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{
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qreal ang = angle;
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if (angle > 360)
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{
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ang = angle - 360 * qFloor(angle/360);
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}
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switch (qFloor((qAbs(ang)+22.5)/45))
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{
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case 0: // <22.5
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return 0;
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case 1: // <67.5
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return 45;
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case 2: // <112.5
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return 90;
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case 3: // <157.5
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return 135;
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case 4: // <202.5
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return 180;
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case 5: // <247.5
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return 225;
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case 6: // < 292.5
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return 270;
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case 7: // <337.5
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return 315;
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default: // <360
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return 0;
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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QPointF VisLine::Ray(const QPointF &firstPoint, const qreal &angle) const
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{
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if (this->scene() == nullptr)
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{
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QLineF line = QLineF(firstPoint, Visualization::scenePos);
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line.setAngle(angle);
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return line.p2();// We can't find ray because item doesn't have scene. We will return cursor position on scene.
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}
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QRectF scRect = this->scene()->sceneRect();
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if (QGuiApplication::keyboardModifiers() == Qt::ShiftModifier)
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{
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return VGObject::BuildRay(firstPoint, CorrectAngle(angle), scRect);
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}
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else
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{
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return VGObject::BuildRay(firstPoint, angle, scRect);
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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QPointF VisLine::Ray(const QPointF &firstPoint) const
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{
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QLineF line = QLineF(firstPoint, Visualization::scenePos);
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return Ray(firstPoint, line.angle());
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}
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//---------------------------------------------------------------------------------------------------------------------
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QLineF VisLine::Axis(const QPointF &p, const qreal &angle) const
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{
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QPointF endP1 = Ray(p, angle+180);
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QPointF endP2 = Ray(p, angle);
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return QLineF(endP1, endP2);
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}
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//---------------------------------------------------------------------------------------------------------------------
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QLineF VisLine::Axis(const QPointF &p1, const QPointF &p2) const
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{
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QLineF line(p1, p2);
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return Axis(p1, line.angle());
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VisLine::InitPen()
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{
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this->setPen(QPen(mainColor, qApp->toPixel(qApp->widthHairLine())/factor, lineStyle));
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VisLine::AddOnScene()
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{
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AddItem(this);
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}
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