620 lines
23 KiB
C++
620 lines
23 KiB
C++
/************************************************************************
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**
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** @file vtoolsplinepath.cpp
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date November 15, 2013
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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 Valentine project, a pattern making
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** program, whose allow create and modeling patterns of clothing.
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** Copyright (C) 2013-2015 Valentina project
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** <https://bitbucket.org/dismine/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 "vtoolsplinepath.h"
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#include "../../../dialogs/tools/dialogsplinepath.h"
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#include "../../../undocommands/movesplinepath.h"
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#include "../../../visualization/vistoolsplinepath.h"
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#include "../vwidgets/vcontrolpointspline.h"
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#if QT_VERSION < QT_VERSION_CHECK(5, 1, 0)
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# include "../vmisc/vmath.h"
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#else
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# include <QtMath>
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#endif
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const QString VToolSplinePath::ToolType = QStringLiteral("path");
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief VToolSplinePath constructor.
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* @param doc dom document container.
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* @param data container with variables.
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* @param id object id in container.
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* @param typeCreation way we create this tool.
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* @param parent parent object.
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*/
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VToolSplinePath::VToolSplinePath(VAbstractPattern *doc, VContainer *data, quint32 id, const QString &color,
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const Source &typeCreation, QGraphicsItem *parent)
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:VAbstractSpline(doc, data, id, parent), oldPosition()
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{
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sceneType = SceneObject::SplinePath;
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lineColor = color;
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this->setPath(ToolPath());
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this->setPen(QPen(Qt::black, qApp->toPixel(WidthHairLine(*VAbstractTool::data.GetPatternUnit()))/factor));
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this->setFlag(QGraphicsItem::ItemIsSelectable, true);
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this->setFlag(QGraphicsItem::ItemIsFocusable, true);
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this->setFlag(QGraphicsItem::ItemIsMovable, true);
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this->setAcceptHoverEvents(true);
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const QSharedPointer<VSplinePath> splPath = data->GeometricObject<VSplinePath>(id);
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for (qint32 i = 1; i<=splPath->Count(); ++i)
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{
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VSpline spl = splPath->GetSpline(i);
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auto *controlPoint = new VControlPointSpline(i, SplinePointPosition::FirstPoint, spl.GetP2(),
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spl.GetP1().toQPointF(), *data->GetPatternUnit(), this);
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connect(controlPoint, &VControlPointSpline::ControlPointChangePosition, this,
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&VToolSplinePath::ControlPointChangePosition);
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connect(this, &VToolSplinePath::setEnabledPoint, controlPoint, &VControlPointSpline::setEnabledPoint);
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connect(controlPoint, &VControlPointSpline::ShowContextMenu, this, &VToolSplinePath::contextMenuEvent);
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controlPoints.append(controlPoint);
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controlPoint = new VControlPointSpline(i, SplinePointPosition::LastPoint, spl.GetP3(), spl.GetP4().toQPointF(),
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*data->GetPatternUnit(), this);
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connect(controlPoint, &VControlPointSpline::ControlPointChangePosition, this,
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&VToolSplinePath::ControlPointChangePosition);
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connect(this, &VToolSplinePath::setEnabledPoint, controlPoint, &VControlPointSpline::setEnabledPoint);
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connect(controlPoint, &VControlPointSpline::ShowContextMenu, this, &VToolSplinePath::contextMenuEvent);
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controlPoints.append(controlPoint);
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}
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ShowHandles(false);
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ToolCreation(typeCreation);
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}
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//---------------------------------------------------------------------------------------------------------------------
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VToolSplinePath::~VToolSplinePath()
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{
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//Disable cursor-arrow-openhand
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RestoreOverrideCursor(cursorArrowOpenHand);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief setDialog set dialog when user want change tool option.
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*/
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void VToolSplinePath::setDialog()
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{
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SCASSERT(dialog != nullptr);
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DialogSplinePath *dialogTool = qobject_cast<DialogSplinePath*>(dialog);
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SCASSERT(dialogTool != nullptr);
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const QSharedPointer<VSplinePath> splPath = VAbstractTool::data.GeometricObject<VSplinePath>(id);
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dialogTool->SetPath(*splPath);
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dialogTool->SetColor(lineColor);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Create help create tool from GUI.
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* @param dialog dialog.
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* @param scene pointer to scene.
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* @param doc dom document container.
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* @param data container with variables.
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*/
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VToolSplinePath* VToolSplinePath::Create(DialogTool *dialog, VMainGraphicsScene *scene, VAbstractPattern *doc,
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VContainer *data)
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{
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SCASSERT(dialog != nullptr);
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DialogSplinePath *dialogTool = qobject_cast<DialogSplinePath*>(dialog);
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SCASSERT(dialogTool != nullptr);
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VSplinePath *path = new VSplinePath(dialogTool->GetPath());
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const QString color = dialogTool->GetColor();
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for (qint32 i = 0; i < path->CountPoint(); ++i)
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{
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doc->IncrementReferens((*path)[i].P().getIdTool());
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}
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VToolSplinePath* spl = Create(0, path, color, scene, doc, data, Document::FullParse, Source::FromGui);
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if (spl != nullptr)
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{
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spl->dialog=dialogTool;
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}
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return spl;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief Create help create tool.
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* @param _id tool id, 0 if tool doesn't exist yet.
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* @param path spline path.
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* @param scene pointer to scene.
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* @param doc dom document container.
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* @param data container with variables.
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* @param parse parser file mode.
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* @param typeCreation way we create this tool.
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*/
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VToolSplinePath* VToolSplinePath::Create(const quint32 _id, VSplinePath *path, const QString &color,
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VMainGraphicsScene *scene, VAbstractPattern *doc, VContainer *data,
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const Document &parse, const Source &typeCreation)
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{
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quint32 id = _id;
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if (typeCreation == Source::FromGui)
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{
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id = data->AddGObject(path);
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data->AddCurve<VSplinePath>(id);
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}
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else
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{
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data->UpdateGObject(id, path);
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data->AddCurve<VSplinePath>(id);
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if (parse != Document::FullParse)
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{
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doc->UpdateToolData(id, data);
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}
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}
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VDrawTool::AddRecord(id, Tool::SplinePath, doc);
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if (parse == Document::FullParse)
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{
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VToolSplinePath *spl = new VToolSplinePath(doc, data, id, color, typeCreation);
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scene->addItem(spl);
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connect(spl, &VToolSplinePath::ChoosedTool, scene, &VMainGraphicsScene::ChoosedItem);
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connect(scene, &VMainGraphicsScene::NewFactor, spl, &VToolSplinePath::SetFactor);
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connect(scene, &VMainGraphicsScene::DisableItem, spl, &VToolSplinePath::Disable);
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connect(scene, &VMainGraphicsScene::EnableToolMove, spl, &VToolSplinePath::EnableToolMove);
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connect(scene, &VMainGraphicsScene::CurveDetailsMode, spl, &VToolSplinePath::DetailsMode);
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doc->AddTool(id, spl);
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return spl;
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}
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return nullptr;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief ControlPointChangePosition handle change position control point.
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* @param indexSpline position spline in spline list.
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* @param position position point in spline.
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* @param pos new position.
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*/
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void VToolSplinePath::ControlPointChangePosition(const qint32 &indexSpline, const SplinePointPosition &position,
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const QPointF &pos)
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{
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VSplinePath oldSplPath = *VAbstractTool::data.GeometricObject<VSplinePath>(id);
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VSplinePath newSplPath = oldSplPath;
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VSpline spl = newSplPath.GetSpline(indexSpline);
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if (position == SplinePointPosition::FirstPoint)
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{
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spl = VSpline(spl.GetP1(), pos, spl.GetP3(), spl.GetP4(), spl.GetKcurve());
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}
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else
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{
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spl = VSpline(spl.GetP1(), spl.GetP2(), pos, spl.GetP4(), spl.GetKcurve());
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}
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UpdateControlPoints(spl, newSplPath, indexSpline);
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MoveSplinePath *moveSplPath = new MoveSplinePath(doc, oldSplPath, newSplPath, id, this->scene());
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connect(moveSplPath, &VUndoCommand::NeedLiteParsing, doc, &VAbstractPattern::LiteParseTree);
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qApp->getUndoStack()->push(moveSplPath);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VToolSplinePath::EnableToolMove(bool move)
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{
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this->setFlag(QGraphicsItem::ItemIsMovable, move);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief UpdateControlPoints update position points control points in file.
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* @param spl spline what was changed.
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* @param splPath spline path.
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* @param indexSpline index spline in spline path.
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*/
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void VToolSplinePath::UpdateControlPoints(const VSpline &spl, VSplinePath &splPath, const qint32 &indexSpline) const
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{
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VSplinePoint p = splPath.GetSplinePoint(indexSpline, SplinePointPosition::FirstPoint);
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p.SetAngle2(spl.GetStartAngle());
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p.SetKAsm2(spl.GetKasm1());
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splPath.UpdatePoint(indexSpline, SplinePointPosition::FirstPoint, p);
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p = splPath.GetSplinePoint(indexSpline, SplinePointPosition::LastPoint);
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p.SetAngle2(spl.GetEndAngle()-180);
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p.SetKAsm1(spl.GetKasm2());
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splPath.UpdatePoint(indexSpline, SplinePointPosition::LastPoint, p);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VToolSplinePath::RefreshSplinePath(VSplinePath &splPath)
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{
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for (qint32 i = 1; i<=splPath.Count(); ++i)
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{
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VSpline spl = splPath.GetSpline(i);
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qint32 j = i*2;
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controlPoints[j-2]->blockSignals(true);
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controlPoints[j-1]->blockSignals(true);
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controlPoints[j-2]->setPos(spl.GetP2());
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controlPoints[j-1]->setPos(spl.GetP3());
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controlPoints[j-2]->blockSignals(false);
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controlPoints[j-1]->blockSignals(false);
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spl = VSpline (spl.GetP1(), controlPoints[j-2]->pos(), controlPoints[j-1]->pos(), spl.GetP4(),
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splPath.GetKCurve());
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UpdateControlPoints(spl, splPath, i);
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief UpdatePathPoint update spline path in pattern file.
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* @param doc dom document container.
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* @param node tag in file.
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* @param path spline path.
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*/
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void VToolSplinePath::UpdatePathPoint(VAbstractPattern *doc, QDomNode& node, const VSplinePath &path)
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{
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SCASSERT(doc != nullptr);
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QDomElement element = node.toElement();
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if (element.isElement() == false)
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{
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qDebug()<<"Couldn't convert parent to element.";
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return;
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}
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doc->removeAllChilds(element);
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for (qint32 i = 0; i < path.CountPoint(); ++i)
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{
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AddPathPoint(doc, element, path.at(i));
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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VSplinePath VToolSplinePath::getSplinePath() const
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{
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QSharedPointer<VSplinePath> splPath = VAbstractTool::data.GeometricObject<VSplinePath>(id);
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return *splPath.data();
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VToolSplinePath::setSplinePath(const VSplinePath &splPath)
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{
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QSharedPointer<VGObject> obj = VAbstractTool::data.GetGObject(id);
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QSharedPointer<VSplinePath> splinePath = qSharedPointerDynamicCast<VSplinePath>(obj);
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*splinePath.data() = splPath;
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SaveOption(obj);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VToolSplinePath::ShowVisualization(bool show)
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{
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ShowToolVisualization<VisToolSplinePath>(show);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief contextMenuEvent handle context menu events.
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* @param event context menu event.
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*/
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void VToolSplinePath::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
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{
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try
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{
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ContextMenu<DialogSplinePath>(this, event);
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}
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catch(const VExceptionToolWasDeleted &e)
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{
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Q_UNUSED(e);
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return;//Leave this method immediately!!!
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief RefreshDataInFile refresh attributes in file. If attributes don't exist create them.
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*/
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void VToolSplinePath::RefreshDataInFile()
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{
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QDomElement domElement = doc->elementById(id);
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if (domElement.isElement() == false)
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{
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qDebug()<<"Can't find element with id="<<id<<"in pattern file";
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return;
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}
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VSplinePath splPath = *VAbstractTool::data.GeometricObject<VSplinePath>(id);
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RefreshSplinePath(splPath);
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doc->SetAttribute(domElement, AttrKCurve, QString().setNum(splPath.GetKCurve()));
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UpdatePathPoint(doc, domElement, splPath);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief AddPathPoint write path point to pattern file.
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* @param domElement dom element.
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* @param splPoint spline path point.
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*/
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void VToolSplinePath::AddPathPoint(VAbstractPattern *doc, QDomElement &domElement, const VSplinePoint &splPoint)
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{
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SCASSERT(doc != nullptr);
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QDomElement pathPoint = doc->createElement(AttrPathPoint);
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doc->SetAttribute(pathPoint, AttrPSpline, splPoint.P().id());
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doc->SetAttribute(pathPoint, AttrKAsm1, splPoint.KAsm1());
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doc->SetAttribute(pathPoint, AttrKAsm2, splPoint.KAsm2());
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doc->SetAttribute(pathPoint, AttrAngle, splPoint.Angle2());
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domElement.appendChild(pathPoint);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief RemoveReferens decrement value of reference.
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*/
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void VToolSplinePath::RemoveReferens()
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{
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const VSplinePath splPath = *VAbstractTool::data.GeometricObject<VSplinePath>(id);
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for (qint32 i = 0; i < splPath.Count(); ++i)
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{
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doc->DecrementReferens(splPath.at(i).P().getIdTool());
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief SaveDialog save options into file after change in dialog.
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*/
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void VToolSplinePath::SaveDialog(QDomElement &domElement)
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{
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SCASSERT(dialog != nullptr);
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DialogSplinePath *dialogTool = qobject_cast<DialogSplinePath*>(dialog);
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SCASSERT(dialogTool != nullptr);
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VSplinePath splPath = dialogTool->GetPath();
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RefreshSplinePath(splPath);
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doc->SetAttribute(domElement, AttrKCurve, QString().setNum(splPath.GetKCurve()));
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doc->SetAttribute(domElement, AttrColor, dialogTool->GetColor());
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UpdatePathPoint(doc, domElement, splPath);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VToolSplinePath::SaveOptions(QDomElement &tag, QSharedPointer<VGObject> &obj)
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{
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VAbstractSpline::SaveOptions(tag, obj);
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QSharedPointer<VSplinePath> splPath = qSharedPointerDynamicCast<VSplinePath>(obj);
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SCASSERT(splPath.isNull() == false);
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doc->SetAttribute(tag, AttrType, ToolType);
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doc->SetAttribute(tag, AttrKCurve, splPath->GetKCurve());
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doc->RemoveAllChild(tag);
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for (qint32 i = 0; i < splPath->CountPoint(); ++i)
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{
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AddPathPoint(doc, tag, splPath->at(i));
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VToolSplinePath::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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if (flags() & QGraphicsItem::ItemIsMovable)
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{
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if (event->button() == Qt::LeftButton && event->type() != QEvent::GraphicsSceneMouseDoubleClick)
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{
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SetOverrideCursor(cursorArrowCloseHand, 1, 1);
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oldPosition = event->scenePos();
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event->accept();
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}
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}
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VAbstractSpline::mousePressEvent(event);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VToolSplinePath::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
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{
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if (flags() & QGraphicsItem::ItemIsMovable)
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{
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if (event->button() == Qt::LeftButton && event->type() != QEvent::GraphicsSceneMouseDoubleClick)
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{
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//Disable cursor-arrow-closehand
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RestoreOverrideCursor(cursorArrowCloseHand);
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}
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}
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VAbstractSpline::mouseReleaseEvent(event);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VToolSplinePath::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
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{
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// Don't need check if left mouse button was pressed. According to the Qt documentation "If you do receive this
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// event, you can be certain that this item also received a mouse press event, and that this item is the current
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// mouse grabber.".
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VSplinePath oldSplPath = *VAbstractTool::data.GeometricObject<VSplinePath>(id);
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VSplinePath newSplPath = oldSplPath;
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int indexSpline = oldSplPath.Segment(oldPosition);
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if (indexSpline == -1)
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{
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return;
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}
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VSpline spline = newSplPath.GetSpline(indexSpline);
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const qreal t = spline.ParamT(oldPosition);
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if (qFloor(t) == -1)
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{
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return;
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}
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// Magic Bezier Drag Equations follow!
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// "weight" describes how the influence of the drag should be distributed
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// among the handles; 0 = front handle only, 1 = back handle only.
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double weight;
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if (t <= 1.0 / 6.0)
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{
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weight = 0;
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}
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else if (t <= 0.5)
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{
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weight = (pow((6 * t - 1) / 2.0, 3)) / 2;
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}
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else if (t <= 5.0 / 6.0)
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{
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weight = (1 - pow((6 * (1-t) - 1) / 2.0, 3)) / 2 + 0.5;
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}
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else
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{
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weight = 1;
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}
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const QPointF delta = event->scenePos() - oldPosition;
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const QPointF offset0 = ((1-weight)/(3*t*(1-t)*(1-t))) * delta;
|
|
const QPointF offset1 = (weight/(3*t*t*(1-t))) * delta;
|
|
|
|
const QPointF p2 = spline.GetP2() + offset0;
|
|
const QPointF p3 = spline.GetP3() + offset1;
|
|
|
|
oldPosition = event->scenePos(); // Now mouse here
|
|
|
|
const VSpline spl = VSpline(spline.GetP1(), p2, p3, spline.GetP4(), spline.GetKcurve());
|
|
|
|
UpdateControlPoints(spl, newSplPath, indexSpline);
|
|
|
|
MoveSplinePath *moveSplPath = new MoveSplinePath(doc, oldSplPath, newSplPath, id, this->scene());
|
|
connect(moveSplPath, &VUndoCommand::NeedLiteParsing, doc, &VAbstractPattern::LiteParseTree);
|
|
qApp->getUndoStack()->push(moveSplPath);
|
|
|
|
// Each time we move something we call recalculation scene rect. In some cases this can cause moving
|
|
// objects positions. And this cause infinite redrawing. That's why we wait the finish of saving the last move.
|
|
static bool changeFinished = true;
|
|
if (changeFinished)
|
|
{
|
|
changeFinished = false;
|
|
|
|
const QList<QGraphicsView *> viewList = scene()->views();
|
|
if (not viewList.isEmpty())
|
|
{
|
|
if (QGraphicsView *view = viewList.at(0))
|
|
{
|
|
VMainGraphicsScene *currentScene = qobject_cast<VMainGraphicsScene *>(scene());
|
|
SCASSERT(currentScene);
|
|
const QPointF cursorPosition = currentScene->getScenePos();
|
|
view->ensureVisible(QRectF(cursorPosition.x()-5, cursorPosition.y()-5, 10, 10));
|
|
}
|
|
}
|
|
changeFinished = true;
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
void VToolSplinePath::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
|
|
{
|
|
if (flags() & QGraphicsItem::ItemIsMovable)
|
|
{
|
|
SetOverrideCursor(cursorArrowOpenHand, 1, 1);
|
|
}
|
|
|
|
VAbstractSpline::hoverEnterEvent(event);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
void VToolSplinePath::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
|
|
{
|
|
if (flags() & QGraphicsItem::ItemIsMovable)
|
|
{
|
|
//Disable cursor-arrow-openhand
|
|
RestoreOverrideCursor(cursorArrowOpenHand);
|
|
}
|
|
|
|
VAbstractSpline::hoverLeaveEvent(event);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
void VToolSplinePath::SetVisualization()
|
|
{
|
|
if (vis != nullptr)
|
|
{
|
|
VisToolSplinePath *visual = qobject_cast<VisToolSplinePath *>(vis);
|
|
SCASSERT(visual != nullptr);
|
|
|
|
QSharedPointer<VSplinePath> splPath = VAbstractTool::data.GeometricObject<VSplinePath>(id);
|
|
visual->setPath(*splPath.data());
|
|
visual->SetMode(Mode::Show);
|
|
visual->RefreshGeometry();
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
/**
|
|
* @brief RefreshGeometry refresh item on scene.
|
|
*/
|
|
void VToolSplinePath::RefreshGeometry()
|
|
{
|
|
// Very important to disable control points. Without it the pogram can't move the curve.
|
|
foreach (auto *point, controlPoints)
|
|
{
|
|
point->setFlag(QGraphicsItem::ItemSendsGeometryChanges, false);
|
|
}
|
|
|
|
if (isHovered || detailsMode)
|
|
{
|
|
this->setPath(ToolPath(PathDirection::Show));
|
|
}
|
|
else
|
|
{
|
|
this->setPath(ToolPath());
|
|
}
|
|
|
|
this->setPen(QPen(CorrectColor(lineColor),
|
|
qApp->toPixel(WidthHairLine(*VAbstractTool::data.GetPatternUnit()))/factor));
|
|
|
|
const auto splPath = VAbstractTool::data.GeometricObject<VSplinePath>(id);
|
|
for (qint32 i = 1; i<=splPath->Count(); ++i)
|
|
{
|
|
const qint32 j = i*2;
|
|
|
|
controlPoints[j-2]->blockSignals(true);
|
|
controlPoints[j-1]->blockSignals(true);
|
|
|
|
const auto spl = splPath->GetSpline(i);
|
|
|
|
{
|
|
const auto splinePoint = spl.GetP1().toQPointF();
|
|
controlPoints[j-2]->RefreshCtrlPoint(i, SplinePointPosition::FirstPoint, spl.GetP2(), splinePoint);
|
|
}
|
|
|
|
{
|
|
const auto splinePoint = spl.GetP4().toQPointF();
|
|
controlPoints[j-1]->RefreshCtrlPoint(i, SplinePointPosition::LastPoint, spl.GetP3(), splinePoint);
|
|
}
|
|
|
|
controlPoints[j-2]->blockSignals(false);
|
|
controlPoints[j-1]->blockSignals(false);
|
|
}
|
|
|
|
SetVisualization();
|
|
|
|
foreach (auto *point, controlPoints)
|
|
{
|
|
point->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
|
|
}
|
|
}
|