valentina/src/libs/vtools/visualization/vistoolpointfromcircleandtangent.cpp

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/************************************************************************
**
** @file vistoolpointfromcircleandtangent.cpp
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date 5 6, 2015
**
** @brief
** @copyright
** This source code is part of the Valentine project, a pattern making
** program, whose allow create and modeling patterns of clothing.
** Copyright (C) 2015 Valentina project
** <https://bitbucket.org/dismine/valentina> All Rights Reserved.
**
** Valentina is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** Valentina is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with Valentina. If not, see <http://www.gnu.org/licenses/>.
**
*************************************************************************/
#include "vistoolpointfromcircleandtangent.h"
#include "../vpatterndb/vcontainer.h"
#include "../tools/drawTools/toolpoint/toolsinglepoint/vtoolpointfromcircleandtangent.h"
#include "../vgeometry/vpointf.h"
//---------------------------------------------------------------------------------------------------------------------
VisToolPointFromCircleAndTangent::VisToolPointFromCircleAndTangent(const VContainer *data, QGraphicsItem *parent)
: VisLine(data, parent), point2Id(NULL_ID), cRadius(0), crossPoint(CrossCirclesPoint::FirstPoint),
point(nullptr), tangent(nullptr), cCenter(nullptr), cPath(nullptr), tangent2(nullptr)
{
cPath = InitItem<QGraphicsEllipseItem>(Qt::darkGreen, this);
point = InitPoint(mainColor, this);
tangent = InitPoint(supportColor, this);
cCenter = InitPoint(supportColor, this); //-V656
tangent2 = InitItem<QGraphicsLineItem>(supportColor, this);
}
//---------------------------------------------------------------------------------------------------------------------
VisToolPointFromCircleAndTangent::~VisToolPointFromCircleAndTangent()
{}
//---------------------------------------------------------------------------------------------------------------------
void VisToolPointFromCircleAndTangent::RefreshGeometry()
{
if (point1Id > NULL_ID)// tangent point
{
const QSharedPointer<VPointF> tan = Visualization::data->GeometricObject<VPointF>(point1Id);
DrawPoint(tangent, tan->toQPointF(), supportColor);
if (point2Id > NULL_ID)// circle center
{
const QSharedPointer<VPointF> center = Visualization::data->GeometricObject<VPointF>(point2Id);
DrawPoint(cCenter, center->toQPointF(), supportColor);
if (cRadius > 0)
{
cPath->setRect(PointRect(cRadius));
DrawPoint(cPath, center->toQPointF(), Qt::darkGreen, Qt::DashLine);
FindRays(tan->toQPointF(), center->toQPointF(), cRadius);
const QPointF fPoint = VToolPointFromCircleAndTangent::FindPoint(tan->toQPointF(), center->toQPointF(),
cRadius, crossPoint);
DrawPoint(point, fPoint, mainColor);
}
}
}
}
//---------------------------------------------------------------------------------------------------------------------
void VisToolPointFromCircleAndTangent::setPoint2Id(const quint32 &value)
{
point2Id = value;
}
//---------------------------------------------------------------------------------------------------------------------
void VisToolPointFromCircleAndTangent::setCRadius(const QString &value)
{
cRadius = FindLength(value);
}
//---------------------------------------------------------------------------------------------------------------------
void VisToolPointFromCircleAndTangent::setCrossPoint(const CrossCirclesPoint &value)
{
crossPoint = value;
}
//---------------------------------------------------------------------------------------------------------------------
void VisToolPointFromCircleAndTangent::FindRays(const QPointF &p, const QPointF &center, qreal radius)
{
QPointF p1, p2;
const int res = VGObject::ContactPoints (p, center, radius, p1, p2);
switch(res)
{
case 2:
DrawRay(this, p, p1, supportColor, Qt::DashLine);
DrawRay(tangent2, p, p2, supportColor, Qt::DashLine);
break;
case 1:
DrawRay(this, p, p1, supportColor, Qt::DashLine);
tangent2->setVisible(false);
break;
default:
this->setVisible(false);
tangent2->setVisible(false);
break;
}
}