300 lines
11 KiB
C++
300 lines
11 KiB
C++
/************************************************************************
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**
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** @file vistoolcubicbezierpath.cpp
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date 18 3, 2016
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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 Valentina project, a pattern making
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** program, whose allow create and modeling patterns of clothing.
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** Copyright (C) 2016 Valentina project
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** <https://gitlab.com/smart-pattern/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 "vistoolcubicbezierpath.h"
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#include <QGraphicsLineItem>
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#include <QGraphicsPathItem>
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#include <QLineF>
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#include <QPainterPath>
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#include <QPointF>
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#include <QtAlgorithms>
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#include "../vgeometry/vabstractcurve.h"
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#include "../vgeometry/vpointf.h"
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#include "../vgeometry/vspline.h"
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#include "../visualization.h"
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#include "../vmisc/vmodifierkey.h"
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#include "../vwidgets/scalesceneitems.h"
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#include "theme/themeDef.h"
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#include "vispath.h"
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//---------------------------------------------------------------------------------------------------------------------
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VisToolCubicBezierPath::VisToolCubicBezierPath(const VContainer *data, QGraphicsItem *parent)
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: VisPath(data, parent)
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{
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helpLine1 = InitItem<VScaledLine>(VColorRole::VisMainColor, this);
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helpLine2 = InitItem<VScaledLine>(VColorRole::VisMainColor, this);
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newCurveSegment = InitItem<VCurvePathItem>(VColorRole::VisMainColor, this);
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}
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//---------------------------------------------------------------------------------------------------------------------
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VisToolCubicBezierPath::~VisToolCubicBezierPath()
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{
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qDeleteAll(mainPoints);
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qDeleteAll(lines);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VisToolCubicBezierPath::RefreshGeometry()
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{
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const QVector<VPointF> pathPoints = path.GetCubicPath();
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const vsizetype size = pathPoints.size();
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if (size > 0)
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{
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const vsizetype countSubSpl = VCubicBezierPath::CountSubSpl(size);
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for (vsizetype i = 0; i < size; ++i)
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{
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VScaledEllipse *point =
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this->GetPoint(mainPoints, static_cast<unsigned>(i), VColorRole::VisSupportColor, 1 /*zValue*/);
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DrawPoint(point, static_cast<QPointF>(pathPoints.at(i)));
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}
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if (GetMode() == Mode::Creation)
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{
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if (countSubSpl < 1)
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{
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Creating(pathPoints, size - 1);
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}
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else
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{
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const vsizetype last = VCubicBezierPath::SubSplOffset(countSubSpl) + 3;
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Creating(pathPoints, size - 1 - last);
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}
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}
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if (countSubSpl >= 1)
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{
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DrawPath(this, path.GetPath(), path.DirectionArrows(), LineStyle(), Qt::RoundCap);
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for (vsizetype i = 1; i <= countSubSpl; ++i)
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{
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const vsizetype preLastPoint = (countSubSpl - 1) * 2;
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const vsizetype lastPoint = preLastPoint + 1;
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const VSpline spl = path.GetSpline(i);
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VScaledLine *ctrlLine1 = this->GetLine(static_cast<unsigned>(preLastPoint), VColorRole::VisMainColor);
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DrawLine(ctrlLine1, QLineF(static_cast<QPointF>(spl.GetP1()), static_cast<QPointF>(spl.GetP2())),
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Qt::DashLine);
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VScaledEllipse *p2 =
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this->GetPoint(ctrlPoints, static_cast<unsigned>(preLastPoint), VColorRole::VisSupportColor2);
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DrawPoint(p2, static_cast<QPointF>(spl.GetP2()));
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VScaledLine *ctrlLine2 = this->GetLine(static_cast<unsigned>(lastPoint), VColorRole::VisMainColor);
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DrawLine(ctrlLine2, QLineF(static_cast<QPointF>(spl.GetP4()), static_cast<QPointF>(spl.GetP3())),
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Qt::DashLine);
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VScaledEllipse *p3 =
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this->GetPoint(ctrlPoints, static_cast<unsigned>(lastPoint), VColorRole::VisSupportColor2);
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DrawPoint(p3, static_cast<QPointF>(spl.GetP3()));
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}
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}
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RefreshToolTip();
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VisToolCubicBezierPath::VisualMode(quint32 id)
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{
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Q_UNUSED(id)
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StartVisualMode();
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VisToolCubicBezierPath::SetPath(const VCubicBezierPath &value)
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{
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path = value;
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RefreshToolTip();
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VisToolCubicBezierPath::GetPoint(QVector<VScaledEllipse *> &points, quint32 i, VColorRole role, qreal z)
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-> VScaledEllipse *
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{
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if (not points.isEmpty() && static_cast<quint32>(points.size() - 1) >= i)
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{
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return points.at(static_cast<int>(i));
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}
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auto *point = InitPoint(role, this, z);
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points.append(point);
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return point;
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VisToolCubicBezierPath::GetLine(quint32 i, VColorRole role) -> VScaledLine *
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{
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if (static_cast<quint32>(lines.size() - 1) >= i && not lines.isEmpty())
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{
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return lines.at(static_cast<int>(i));
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}
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auto *line = InitItem<VScaledLine>(role, this);
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lines.append(line);
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return line;
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VisToolCubicBezierPath::Creating(const QVector<VPointF> &pathPoints, vsizetype pointsLeft)
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{
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const vsizetype size = pathPoints.size();
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if (pathPoints.isEmpty() || size + 1 < pointsLeft)
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{
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return;
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}
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vsizetype subSplPoints = 0;
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const vsizetype subSplCount = VCubicBezierPath::CountSubSpl(size);
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if (subSplCount >= 1)
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{
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subSplPoints = VCubicBezierPath::SubSplPointsCount(subSplCount) - 1;
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}
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switch (pointsLeft)
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{
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case 0:
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{
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const VPointF &p1 = pathPoints.constLast();
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if (pathPoints.size() >= 4)
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{
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QLineF p1p2(static_cast<QPointF>(p1), ScenePos());
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QLineF const prP3p1(static_cast<QPointF>(pathPoints.at(size - 2)), static_cast<QPointF>(p1));
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p1p2.setAngle(prP3p1.angle());
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const QPointF p2 = p1p2.p2();
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VSpline const spline(p1, p2, ScenePos(), VPointF(ScenePos()));
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DrawPath(newCurveSegment, spline.GetPath(), Qt::SolidLine, Qt::RoundCap);
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DrawLine(helpLine1, p1p2, Qt::DashLine);
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const vsizetype preLastPoint = subSplCount * 2;
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VScaledEllipse *p2Ctrl =
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this->GetPoint(ctrlPoints, static_cast<unsigned>(preLastPoint), VColorRole::VisSupportColor2);
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DrawPoint(p2Ctrl, p2);
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}
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else
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{
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DrawLine(helpLine1, QLineF(static_cast<QPointF>(p1), ScenePos()), Qt::DashLine);
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}
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break;
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}
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case 1:
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{
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const VPointF &p1 = pathPoints.at(subSplPoints + pointsLeft - 1);
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auto p2 = static_cast<QPointF>(pathPoints.at(subSplPoints + pointsLeft));
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if (subSplCount >= 1)
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{
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QLineF p1p2(static_cast<QPointF>(p1), p2);
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QLineF const prP3p1(static_cast<QPointF>(pathPoints.at(subSplPoints + pointsLeft - 2)),
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static_cast<QPointF>(p1));
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p1p2.setAngle(prP3p1.angle());
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p2 = p1p2.p2();
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}
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DrawLine(helpLine1, QLineF(static_cast<QPointF>(p1), p2), Qt::DashLine);
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VSpline const spline(p1, p2, ScenePos(), VPointF(ScenePos()));
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DrawPath(newCurveSegment, spline.GetPath(), Qt::SolidLine, Qt::RoundCap);
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const vsizetype preLastPoint = subSplCount * 2;
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VScaledEllipse *p2Ctrl =
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this->GetPoint(ctrlPoints, static_cast<unsigned>(preLastPoint), VColorRole::VisSupportColor2);
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DrawPoint(p2Ctrl, p2);
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break;
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}
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case 2:
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{
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const VPointF &p1 = pathPoints.at(subSplPoints + pointsLeft - 2);
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auto p2 = static_cast<QPointF>(pathPoints.at(subSplPoints + pointsLeft - 1));
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const auto p3 = static_cast<QPointF>(pathPoints.at(subSplPoints + pointsLeft));
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if (subSplCount >= 1)
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{
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QLineF p1p2(static_cast<QPointF>(p1), p2);
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QLineF const prP3p1(static_cast<QPointF>(pathPoints.at(subSplPoints + pointsLeft - 3)),
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static_cast<QPointF>(p1));
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p1p2.setAngle(prP3p1.angle());
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p2 = p1p2.p2();
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}
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DrawLine(helpLine1, QLineF(static_cast<QPointF>(p1), p2), Qt::DashLine);
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DrawLine(helpLine2, QLineF(p3, ScenePos()), Qt::DashLine);
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VSpline const spline(p1, p2, p3, VPointF(ScenePos()));
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DrawPath(newCurveSegment, spline.GetPath(), Qt::SolidLine, Qt::RoundCap);
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const vsizetype preLastPoint = subSplCount * 2;
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VScaledEllipse *p2Ctrl =
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this->GetPoint(ctrlPoints, static_cast<unsigned>(preLastPoint), VColorRole::VisSupportColor2);
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DrawPoint(p2Ctrl, p2);
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break;
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}
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default:
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break;
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VisToolCubicBezierPath::RefreshToolTip()
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{
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const vsizetype size = path.CountPoints();
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if (size > 0)
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{
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const vsizetype countSubSpl = VCubicBezierPath::CountSubSpl(size);
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if (size < 7)
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{
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SetToolTip(tr("<b>Curved path</b>: select seven or more points"));
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}
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else if (size - VCubicBezierPath::SubSplPointsCount(countSubSpl) == 0)
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{
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SetToolTip(tr("<b>Curved path</b>: select seven or more points, "
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"<b>%1</b> - finish creation")
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.arg(VModifierKey::EnterKey()));
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}
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else
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{
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SetToolTip(tr("<b>Curved path</b>: select more points for complete segment"));
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}
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if (GetMode() == Mode::Show)
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{
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SetToolTip(QString());
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}
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emit ToolTip(CurrentToolTip());
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}
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}
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