117 lines
4.7 KiB
C++
117 lines
4.7 KiB
C++
/************************************************************************
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**
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** @file vistoolpointfromcircleandtangent.cpp
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date 5 6, 2015
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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) 2015 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 "vistoolpointfromcircleandtangent.h"
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#include "../vpatterndb/vcontainer.h"
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#include "../../tools/drawTools/toolpoint/toolsinglepoint/vtoolpointfromcircleandtangent.h"
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#include "../vgeometry/vpointf.h"
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//---------------------------------------------------------------------------------------------------------------------
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VisToolPointFromCircleAndTangent::VisToolPointFromCircleAndTangent(const VContainer *data, QGraphicsItem *parent)
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: VisLine(data, parent), object2Id(NULL_ID), cRadius(0), crossPoint(CrossCirclesPoint::FirstPoint),
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point(nullptr), tangent(nullptr), cCenter(nullptr), cPath(nullptr), tangent2(nullptr)
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{
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cPath = InitItem<QGraphicsEllipseItem>(Qt::darkGreen, this);
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point = InitPoint(mainColor, this);
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tangent = InitPoint(supportColor, this);
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cCenter = InitPoint(supportColor, this); //-V656
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tangent2 = InitItem<QGraphicsLineItem>(supportColor, this);
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}
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//---------------------------------------------------------------------------------------------------------------------
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VisToolPointFromCircleAndTangent::~VisToolPointFromCircleAndTangent()
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{}
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//---------------------------------------------------------------------------------------------------------------------
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void VisToolPointFromCircleAndTangent::RefreshGeometry()
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{
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if (object1Id > NULL_ID)// tangent point
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{
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const QSharedPointer<VPointF> tan = Visualization::data->GeometricObject<VPointF>(object1Id);
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DrawPoint(tangent, *tan, supportColor);
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if (object2Id > NULL_ID)// circle center
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{
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const QSharedPointer<VPointF> center = Visualization::data->GeometricObject<VPointF>(object2Id);
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DrawPoint(cCenter, *center, supportColor);
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if (cRadius > 0)
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{
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cPath->setRect(PointRect(cRadius));
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DrawPoint(cPath, *center, Qt::darkGreen, Qt::DashLine);
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FindRays(*tan, *center, cRadius);
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const QPointF fPoint = VToolPointFromCircleAndTangent::FindPoint(*tan, *center, cRadius, crossPoint);
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DrawPoint(point, fPoint, mainColor);
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}
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}
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VisToolPointFromCircleAndTangent::setObject2Id(const quint32 &value)
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{
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object2Id = value;
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VisToolPointFromCircleAndTangent::setCRadius(const QString &value)
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{
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cRadius = FindLength(value, Visualization::data->PlainVariables());
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VisToolPointFromCircleAndTangent::setCrossPoint(const CrossCirclesPoint &value)
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{
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crossPoint = value;
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VisToolPointFromCircleAndTangent::FindRays(const QPointF &p, const QPointF ¢er, qreal radius)
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{
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QPointF p1, p2;
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const int res = VGObject::ContactPoints (p, center, radius, p1, p2);
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switch(res)
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{
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case 2:
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DrawRay(this, p, p1, supportColor, Qt::DashLine);
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DrawRay(tangent2, p, p2, supportColor, Qt::DashLine);
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break;
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case 1:
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DrawRay(this, p, p1, supportColor, Qt::DashLine);
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tangent2->setVisible(false);
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break;
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default:
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this->setVisible(false);
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tangent2->setVisible(false);
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break;
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}
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}
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