valentina/src/libs/vtools/visualization/line/vistoolpointofintersection.cpp
Roman Telezhynskyi 8d0b2c0af9 Fix a crash.
Valentina crahed if create a curve.

--HG--
branch : develop
2017-06-23 12:25:02 +03:00

111 lines
4 KiB
C++

/************************************************************************
**
** @file vistoolpointofintersection.cpp
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date 13 8, 2014
**
** @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) 2013-2015 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 "vistoolpointofintersection.h"
#include <QGraphicsEllipseItem>
#include <QGraphicsLineItem>
#include <QLine>
#include <QPointF>
#include <QSharedPointer>
#include <Qt>
#include <new>
#include "../ifc/ifcdef.h"
#include "../vgeometry/vpointf.h"
#include "../vpatterndb/vcontainer.h"
#include "../visualization.h"
#include "visline.h"
//---------------------------------------------------------------------------------------------------------------------
VisToolPointOfIntersection::VisToolPointOfIntersection(const VContainer *data, QGraphicsItem *parent)
: VisLine(data, parent), point2Id(NULL_ID), point(nullptr), axisP1(nullptr), axisP2(nullptr), axis2(nullptr)
{
axisP1 = InitPoint(supportColor, this);
axisP2 = InitPoint(supportColor, this); //-V656
axis2 = InitItem<VScaledLine>(supportColor, this);
point = InitPoint(mainColor, this);
}
//---------------------------------------------------------------------------------------------------------------------
void VisToolPointOfIntersection::RefreshGeometry()
{
QLineF axisL1;
if (object1Id <= NULL_ID)
{
axisL1 = Axis(Visualization::scenePos, 90);
DrawLine(this, axisL1, supportColor, Qt::DashLine);
}
else
{
const QSharedPointer<VPointF> first = Visualization::data->GeometricObject<VPointF>(object1Id);
DrawPoint(axisP1, static_cast<QPointF>(*first), supportColor);
axisL1 = Axis(static_cast<QPointF>(*first), 90);
DrawLine(this, axisL1, supportColor, Qt::DashLine);
QLineF axisL2;
if (point2Id <= NULL_ID)
{
axisL2 = Axis(Visualization::scenePos, 180);
ShowIntersection(axisL1, axisL2, supportColor);
}
else
{
const QSharedPointer<VPointF> second = Visualization::data->GeometricObject<VPointF>(point2Id);
DrawPoint(axisP2, static_cast<QPointF>(*second), supportColor);
axisL2 = Axis(static_cast<QPointF>(*second), 180);
ShowIntersection(axisL1, axisL2, mainColor);
}
DrawLine(axis2, axisL2, supportColor, Qt::DashLine);
}
}
//---------------------------------------------------------------------------------------------------------------------
void VisToolPointOfIntersection::setPoint2Id(const quint32 &value)
{
point2Id = value;
}
//---------------------------------------------------------------------------------------------------------------------
void VisToolPointOfIntersection::ShowIntersection(const QLineF &axis1, const QLineF &axis2, const QColor &color)
{
QPointF p;
QLineF::IntersectType intersect = axis1.intersect(axis2, &p);
if (intersect == QLineF::UnboundedIntersection || intersect == QLineF::BoundedIntersection)
{
point->setVisible(true);
DrawPoint(point, p, color);
}
else
{
point->setVisible(false);
}
}