valentina/src/app/visualization/vistooltriangle.cpp

184 lines
7.1 KiB
C++
Raw Normal View History

/************************************************************************
**
** @file vistooltriangle.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) 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 "vistooltriangle.h"
#include "../geometry/vpointf.h"
#include "../container/vcontainer.h"
#include "../tools/drawTools/vtooltriangle.h"
#include <QtMath>
//---------------------------------------------------------------------------------------------------------------------
VisToolTriangle::VisToolTriangle(const VContainer *data, QGraphicsItem *parent)
:VisLine(data, parent), point2Id(0), hypotenuseP1Id(0), hypotenuseP2Id(0), point(nullptr), axisP1(nullptr),
axisP2(nullptr), axis(nullptr), hypotenuseP1(nullptr), hypotenuseP2(nullptr), foot1(nullptr), foot2(nullptr)
{
axisP1 = InitPoint(supportColor, this);
axisP2 = InitPoint(supportColor, this);
axis = InitItem<QGraphicsPathItem>(supportColor, this);
hypotenuseP1 = InitPoint(supportColor, this);
hypotenuseP2 = InitPoint(supportColor, this);
foot1 = InitItem<QGraphicsLineItem>(supportColor, this);
foot2 = InitItem<QGraphicsLineItem>(supportColor, this);
point = InitPoint(mainColor, this);
}
//---------------------------------------------------------------------------------------------------------------------
VisToolTriangle::~VisToolTriangle()
{}
//---------------------------------------------------------------------------------------------------------------------
void VisToolTriangle::RefreshGeometry()
{
if (point1Id > 0)
{
const VPointF *first = Visualization::data->GeometricObject<const VPointF *>(point1Id);
DrawPoint(axisP1, first->toQPointF(), supportColor);
if (point2Id <= 0)
{
DrawAimedAxis(axis, QLineF(first->toQPointF(), Visualization::scenePos), supportColor);
}
else
{
const VPointF *second = Visualization::data->GeometricObject<const VPointF *>(point2Id);
DrawPoint(axisP2, second->toQPointF(), supportColor);
DrawAimedAxis(axis, QLineF(first->toQPointF(), second->toQPointF()), supportColor);
if (hypotenuseP1Id <= 0)
{
return;
}
else
{
const VPointF *third = Visualization::data->GeometricObject<const VPointF *>(hypotenuseP1Id);
DrawPoint(hypotenuseP1, third->toQPointF(), supportColor);
if (hypotenuseP2Id <= 0)
{
DrawLine(this, QLineF(third->toQPointF(), Visualization::scenePos), supportColor, Qt::DashLine);
QPointF trPoint = VToolTriangle::FindPoint(first->toQPointF(), second->toQPointF(),
third->toQPointF(), Visualization::scenePos);
DrawPoint(point, trPoint, mainColor);
DrawLine(foot1, QLineF(third->toQPointF(), trPoint), supportColor, Qt::DashLine);
DrawLine(foot2, QLineF(Visualization::scenePos, trPoint), supportColor, Qt::DashLine);
}
else
{
const VPointF *forth = Visualization::data->GeometricObject<const VPointF *>(hypotenuseP2Id);
DrawPoint(hypotenuseP2, forth->toQPointF(), supportColor);
DrawLine(this, QLineF(third->toQPointF(), forth->toQPointF()), supportColor, Qt::DashLine);
QPointF trPoint = VToolTriangle::FindPoint(first->toQPointF(), second->toQPointF(),
third->toQPointF(), forth->toQPointF());
DrawPoint(point, trPoint, mainColor);
DrawLine(foot1, QLineF(third->toQPointF(), trPoint), supportColor, Qt::DashLine);
DrawLine(foot2, QLineF(forth->toQPointF(), trPoint), supportColor, Qt::DashLine);
}
}
}
}
}
//---------------------------------------------------------------------------------------------------------------------
void VisToolTriangle::setPoint2Id(const quint32 &value)
{
point2Id = value;
}
//---------------------------------------------------------------------------------------------------------------------
void VisToolTriangle::setHypotenuseP1Id(const quint32 &value)
{
hypotenuseP1Id = value;
}
//---------------------------------------------------------------------------------------------------------------------
void VisToolTriangle::setHypotenuseP2Id(const quint32 &value)
{
hypotenuseP2Id = value;
}
//---------------------------------------------------------------------------------------------------------------------
void VisToolTriangle::DrawAimedAxis(QGraphicsPathItem *item, const QLineF &line, const QColor &color,
Qt::PenStyle style)
{
SCASSERT (item != nullptr);
item->setPen(QPen(color, qApp->toPixel(qApp->widthHairLine())/factor, style));
QPainterPath path;
path.moveTo(line.p1());
path.lineTo(line.p2());
qreal arrow_step = 60/factor;
qreal arrow_size = 10/factor;
if (line.length() < arrow_step)
{
DrawArrow(line, path, arrow_size);
}
QLineF axis;
axis.setP1(line.p1());
axis.setAngle(line.angle());
axis.setLength(arrow_step);
int steps = qFloor(line.length()/arrow_step);
for(int i=0; i<steps; ++i)
{
DrawArrow(axis, path, arrow_size);
axis.setLength(axis.length()+arrow_step);
}
item->setPath(path);
}
//---------------------------------------------------------------------------------------------------------------------
void VisToolTriangle::DrawArrow(const QLineF &axis, QPainterPath &path, const qreal &arrow_size)
{
QLineF arrowPart1;
arrowPart1.setP1(axis.p2());
arrowPart1.setLength(arrow_size);
arrowPart1.setAngle(axis.angle()+180+35);
path.moveTo(arrowPart1.p1());
path.lineTo(arrowPart1.p2());
QLineF arrowPart2;
arrowPart2.setP1(axis.p2());
arrowPart2.setLength(arrow_size);
arrowPart2.setAngle(axis.angle()+180-35);
path.moveTo(arrowPart2.p1());
path.lineTo(arrowPart2.p2());
}