valentina/src/app/visualization/visualization.cpp

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/************************************************************************
**
** @file visualization.cpp
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date 15 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) 2014 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 "visualization.h"
#include "../tools/drawTools/vdrawtool.h"
#include "../container/calculator.h"
#include <QGraphicsEllipseItem>
//---------------------------------------------------------------------------------------------------------------------
Visualization::Visualization(const VContainer *data)
:QObject(), data(data), factor(VDrawTool::factor), scenePos(QPointF()),
mainColor(Qt::red), supportColor(Qt::magenta), lineStyle(Qt::SolidLine), point1Id(0), toolTip(QString())
{}
//---------------------------------------------------------------------------------------------------------------------
Visualization::~Visualization()
{}
//---------------------------------------------------------------------------------------------------------------------
void Visualization::setPoint1Id(const quint32 &value)
{
point1Id = value;
}
//---------------------------------------------------------------------------------------------------------------------
void Visualization::setLineStyle(const Qt::PenStyle &value)
{
lineStyle = value;
InitPen();
}
//---------------------------------------------------------------------------------------------------------------------
void Visualization::setScenePos(const QPointF &value)
{
scenePos = value;
}
//---------------------------------------------------------------------------------------------------------------------
void Visualization::VisualMode(const quint32 &pointId)
{
VMainGraphicsScene *scene = qApp->getCurrentScene();
SCASSERT(scene != nullptr);
this->point1Id = pointId;
this->scenePos = scene->getScenePos();
RefreshGeometry();
AddOnScene();
}
//---------------------------------------------------------------------------------------------------------------------
void Visualization::setMainColor(const QColor &value)
{
mainColor = value;
InitPen();
}
//---------------------------------------------------------------------------------------------------------------------
void Visualization::SetFactor(qreal factor)
{
VApplication::CheckFactor(this->factor, factor);
RefreshGeometry();
}
//---------------------------------------------------------------------------------------------------------------------
void Visualization::MousePos(const QPointF &scenePos)
{
this->scenePos = scenePos;
RefreshGeometry();
if (toolTip.isEmpty() == false)
{
emit ToolTip(toolTip);
}
}
//---------------------------------------------------------------------------------------------------------------------
QGraphicsEllipseItem *Visualization::InitPoint(const QColor &color, QGraphicsItem *parent) const
{
QGraphicsEllipseItem *point = new QGraphicsEllipseItem(parent);
point->setZValue(1);
point->setBrush(QBrush(Qt::NoBrush));
point->setPen(QPen(color, qApp->toPixel(qApp->widthMainLine())/factor));
point->setRect(PointRect(qApp->toPixel(DefPointRadius/*mm*/, Unit::Mm)));
point->setFlags(QGraphicsItem::ItemStacksBehindParent);
point->setVisible(false);
return point;
}
//---------------------------------------------------------------------------------------------------------------------
QRectF Visualization::PointRect(const qreal &radius) const
{
QRectF rec = QRectF(0, 0, radius*2/factor, radius*2/factor);
rec.translate(-rec.center().x(), -rec.center().y());
return rec;
}
//---------------------------------------------------------------------------------------------------------------------
qreal Visualization::FindLength(const QString &expression)
{
return qApp->toPixel(FindVal(expression));
}
//---------------------------------------------------------------------------------------------------------------------
qreal Visualization::FindVal(const QString &expression)
{
qreal val = 0;
if (expression.isEmpty())
{
val = 0;
}
else
{
try
{
// Replace line return with spaces for calc if exist
QString formula = expression;
formula.replace("\n", " ");
formula = qApp->FormulaFromUser(formula);
Calculator *cal = new Calculator(Visualization::data);
val = cal->EvalFormula(formula);
delete cal;
}
catch (qmu::QmuParserError &e)
{
val = 0;
qDebug() << "\nMath parser error:\n"
<< "--------------------------------------\n"
<< "Message: " << e.GetMsg() << "\n"
<< "Expression: " << e.GetExpr() << "\n"
<< "--------------------------------------";
}
}
return val;
}
//---------------------------------------------------------------------------------------------------------------------
void Visualization::DrawPoint(QGraphicsEllipseItem *point, const QPointF &pos, const QColor &color, Qt::PenStyle style)
{
SCASSERT (point != nullptr);
point->setPos(pos);
point->setPen(QPen(color, qApp->toPixel(qApp->widthMainLine())/factor, style));
point->setVisible(true);
}