valentina/src/app/tools/drawTools/vtoolsplinepath.cpp
2015-02-12 18:10:47 +02:00

587 lines
22 KiB
C++

/************************************************************************
**
** @file vtoolsplinepath.cpp
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date November 15, 2013
**
** @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 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 "vtoolsplinepath.h"
#include "../../dialogs/tools/dialogsplinepath.h"
#include "../../undocommands/movesplinepath.h"
#include "../../visualization/vistoolsplinepath.h"
const QString VToolSplinePath::ToolType = QStringLiteral("path");
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VToolSplinePath constructor.
* @param doc dom document container.
* @param data container with variables.
* @param id object id in container.
* @param typeCreation way we create this tool.
* @param parent parent object.
*/
VToolSplinePath::VToolSplinePath(VPattern *doc, VContainer *data, quint32 id, const QString &color,
const Source &typeCreation, QGraphicsItem *parent)
:VAbstractSpline(doc, data, id, parent), oldPosition()
{
sceneType = SceneObject::SplinePath;
this->setPath(ToolPath());
this->setPen(QPen(Qt::black, qApp->toPixel(qApp->widthHairLine())/factor));
this->setFlag(QGraphicsItem::ItemIsSelectable, true);
this->setFlag(QGraphicsItem::ItemIsFocusable, true);
this->setFlag(QGraphicsItem::ItemIsMovable, true);
this->setAcceptHoverEvents(true);
const QSharedPointer<VSplinePath> splPath = data->GeometricObject<VSplinePath>(id);
for (qint32 i = 1; i<=splPath->Count(); ++i)
{
VSpline spl = splPath->GetSpline(i);
VControlPointSpline *controlPoint = new VControlPointSpline(i, SplinePointPosition::FirstPoint, spl.GetP2(),
spl.GetP1().toQPointF(), this);
connect(controlPoint, &VControlPointSpline::ControlPointChangePosition, this,
&VToolSplinePath::ControlPointChangePosition);
connect(this, &VToolSplinePath::RefreshLine, controlPoint, &VControlPointSpline::RefreshLine);
connect(this, &VToolSplinePath::setEnabledPoint, controlPoint, &VControlPointSpline::setEnabledPoint);
controlPoints.append(controlPoint);
controlPoint = new VControlPointSpline(i, SplinePointPosition::LastPoint, spl.GetP3(), spl.GetP4().toQPointF(),
this);
connect(controlPoint, &VControlPointSpline::ControlPointChangePosition, this,
&VToolSplinePath::ControlPointChangePosition);
connect(this, &VToolSplinePath::RefreshLine, controlPoint, &VControlPointSpline::RefreshLine);
connect(this, &VToolSplinePath::setEnabledPoint, controlPoint, &VControlPointSpline::setEnabledPoint);
controlPoints.append(controlPoint);
}
ShowFoot(false);
if (typeCreation == Source::FromGui)
{
AddToFile();
}
else
{
RefreshDataInFile();
}
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief setDialog set dialog when user want change tool option.
*/
void VToolSplinePath::setDialog()
{
SCASSERT(dialog != nullptr);
DialogSplinePath *dialogTool = qobject_cast<DialogSplinePath*>(dialog);
SCASSERT(dialogTool != nullptr);
const QSharedPointer<VSplinePath> splPath = VAbstractTool::data.GeometricObject<VSplinePath>(id);
dialogTool->SetPath(*splPath);
dialogTool->SetColor(lineColor);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief Create help create tool from GUI.
* @param dialog dialog.
* @param scene pointer to scene.
* @param doc dom document container.
* @param data container with variables.
*/
VToolSplinePath* VToolSplinePath::Create(DialogTool *dialog, VMainGraphicsScene *scene, VPattern *doc, VContainer *data)
{
SCASSERT(dialog != nullptr);
DialogSplinePath *dialogTool = qobject_cast<DialogSplinePath*>(dialog);
SCASSERT(dialogTool != nullptr);
VSplinePath *path = new VSplinePath(dialogTool->GetPath());
const QString color = dialogTool->GetColor();
for (qint32 i = 0; i < path->CountPoint(); ++i)
{
doc->IncrementReferens((*path)[i].P().id());
}
VToolSplinePath* spl = nullptr;
spl = Create(0, path, color, scene, doc, data, Document::FullParse, Source::FromGui);
if (spl != nullptr)
{
spl->dialog=dialogTool;
}
return spl;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief Create help create tool.
* @param _id tool id, 0 if tool doesn't exist yet.
* @param path spline path.
* @param scene pointer to scene.
* @param doc dom document container.
* @param data container with variables.
* @param parse parser file mode.
* @param typeCreation way we create this tool.
*/
VToolSplinePath* VToolSplinePath::Create(const quint32 _id, VSplinePath *path, const QString &color,
VMainGraphicsScene *scene, VPattern *doc, VContainer *data,
const Document &parse, const Source &typeCreation)
{
quint32 id = _id;
if (typeCreation == Source::FromGui)
{
id = data->AddGObject(path);
data->AddCurveLength<VSplineLength>(id);
}
else
{
data->UpdateGObject(id, path);
data->AddCurveLength<VSplineLength>(id);
if (parse != Document::FullParse)
{
doc->UpdateToolData(id, data);
}
}
VDrawTool::AddRecord(id, Tool::SplinePath, doc);
if (parse == Document::FullParse)
{
VToolSplinePath *spl = new VToolSplinePath(doc, data, id, color, typeCreation);
scene->addItem(spl);
connect(spl, &VToolSplinePath::ChoosedTool, scene, &VMainGraphicsScene::ChoosedItem);
connect(scene, &VMainGraphicsScene::NewFactor, spl, &VToolSplinePath::SetFactor);
connect(scene, &VMainGraphicsScene::DisableItem, spl, &VToolSplinePath::Disable);
connect(scene, &VMainGraphicsScene::EnableToolMove, spl, &VToolSplinePath::EnableToolMove);
doc->AddTool(id, spl);
return spl;
}
return nullptr;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief ControlPointChangePosition handle change position control point.
* @param indexSpline position spline in spline list.
* @param position position point in spline.
* @param pos new position.
*/
void VToolSplinePath::ControlPointChangePosition(const qint32 &indexSpline, const SplinePointPosition &position,
const QPointF &pos)
{
VSplinePath oldSplPath = *VAbstractTool::data.GeometricObject<VSplinePath>(id);
VSplinePath newSplPath = oldSplPath;
VSpline spl = newSplPath.GetSpline(indexSpline);
if (position == SplinePointPosition::FirstPoint)
{
spl = VSpline(spl.GetP1(), pos, spl.GetP3(), spl.GetP4(), spl.GetKcurve());
}
else
{
spl = VSpline(spl.GetP1(), spl.GetP2(), pos, spl.GetP4(), spl.GetKcurve());
}
UpdateControlPoints(spl, newSplPath, indexSpline);
MoveSplinePath *moveSplPath = new MoveSplinePath(doc, oldSplPath, newSplPath, id, this->scene());
connect(moveSplPath, &VUndoCommand::NeedLiteParsing, doc, &VPattern::LiteParseTree);
qApp->getUndoStack()->push(moveSplPath);
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSplinePath::EnableToolMove(bool move)
{
this->setFlag(QGraphicsItem::ItemIsMovable, move);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief UpdateControlPoints update position points control points in file.
* @param spl spline what was changed.
* @param splPath spline path.
* @param indexSpline index spline in spline path.
*/
void VToolSplinePath::UpdateControlPoints(const VSpline &spl, VSplinePath &splPath, const qint32 &indexSpline) const
{
VSplinePoint p = splPath.GetSplinePoint(indexSpline, SplinePointPosition::FirstPoint);
p.SetAngle2(spl.GetAngle1());
p.SetKAsm2(spl.GetKasm1());
splPath.UpdatePoint(indexSpline, SplinePointPosition::FirstPoint, p);
p = splPath.GetSplinePoint(indexSpline, SplinePointPosition::LastPoint);
p.SetAngle2(spl.GetAngle2()-180);
p.SetKAsm1(spl.GetKasm2());
splPath.UpdatePoint(indexSpline, SplinePointPosition::LastPoint, p);
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSplinePath::RefreshSplinePath(VSplinePath &splPath)
{
for (qint32 i = 1; i<=splPath.Count(); ++i)
{
VSpline spl = splPath.GetSpline(i);
qint32 j = i*2;
controlPoints[j-2]->blockSignals(true);
controlPoints[j-1]->blockSignals(true);
controlPoints[j-2]->setPos(spl.GetP2());
controlPoints[j-1]->setPos(spl.GetP3());
controlPoints[j-2]->blockSignals(false);
controlPoints[j-1]->blockSignals(false);
spl = VSpline (spl.GetP1(), controlPoints[j-2]->pos(), controlPoints[j-1]->pos(), spl.GetP4(),
splPath.GetKCurve());
UpdateControlPoints(spl, splPath, i);
}
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief UpdatePathPoint update spline path in pattern file.
* @param doc dom document container.
* @param node tag in file.
* @param path spline path.
*/
void VToolSplinePath::UpdatePathPoint(VPattern *doc, QDomNode& node, const VSplinePath &path)
{
SCASSERT(doc != nullptr);
QDomElement element = node.toElement();
if (element.isElement() == false)
{
qDebug()<<"Couldn't convert parent to element.";
return;
}
doc->removeAllChilds(element);
for (qint32 i = 0; i < path.CountPoint(); ++i)
{
AddPathPoint(doc, element, path.at(i));
}
}
//---------------------------------------------------------------------------------------------------------------------
VSplinePath VToolSplinePath::getSplinePath() const
{
QSharedPointer<VSplinePath> splPath = VAbstractTool::data.GeometricObject<VSplinePath>(id);
return *splPath.data();
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSplinePath::setSplinePath(const VSplinePath &splPath)
{
QSharedPointer<VGObject> obj = VAbstractTool::data.GetGObject(id);
QSharedPointer<VSplinePath> splinePath = qSharedPointerDynamicCast<VSplinePath>(obj);
*splinePath.data() = splPath;
SaveOption(obj);
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSplinePath::ShowVisualization(bool show)
{
if (show)
{
if (vis == nullptr)
{
VisToolSplinePath *visual = new VisToolSplinePath(getData(), this);
VMainGraphicsScene *scene = qApp->getCurrentScene();
connect(scene, &VMainGraphicsScene::NewFactor, visual, &Visualization::SetFactor);
QSharedPointer<VSplinePath> splPath = VAbstractTool::data.GeometricObject<VSplinePath>(id);
visual->setPath(*splPath.data());
visual->setMode(Mode::Show);
visual->RefreshGeometry();
vis = visual;
}
else
{
VisToolSplinePath *visual = qobject_cast<VisToolSplinePath *>(vis);
if (visual != nullptr)
{
visual->show();
}
}
}
else
{
delete vis;
vis = nullptr;
}
ShowFoot(show);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief contextMenuEvent handle context menu events.
* @param event context menu event.
*/
void VToolSplinePath::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
{
ContextMenu<DialogSplinePath>(this, event);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief RefreshDataInFile refresh attributes in file. If attributes don't exist create them.
*/
void VToolSplinePath::RefreshDataInFile()
{
QDomElement domElement = doc->elementById(id);
if (domElement.isElement() == false)
{
qDebug()<<"Can't find element with id="<<id<<"in pattern file";
return;
}
VSplinePath splPath = *VAbstractTool::data.GeometricObject<VSplinePath>(id);
RefreshSplinePath(splPath);
doc->SetAttribute(domElement, AttrKCurve, QString().setNum(splPath.GetKCurve()));
UpdatePathPoint(doc, domElement, splPath);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief AddPathPoint write path point to pattern file.
* @param domElement dom element.
* @param splPoint spline path point.
*/
void VToolSplinePath::AddPathPoint(VPattern *doc, QDomElement &domElement, const VSplinePoint &splPoint)
{
SCASSERT(doc != nullptr);
QDomElement pathPoint = doc->createElement(AttrPathPoint);
doc->SetAttribute(pathPoint, AttrPSpline, splPoint.P().id());
doc->SetAttribute(pathPoint, AttrKAsm1, splPoint.KAsm1());
doc->SetAttribute(pathPoint, AttrKAsm2, splPoint.KAsm2());
doc->SetAttribute(pathPoint, AttrAngle, splPoint.Angle2());
domElement.appendChild(pathPoint);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief RemoveReferens decrement value of reference.
*/
void VToolSplinePath::RemoveReferens()
{
VSplinePath splPath = *VAbstractTool::data.GeometricObject<VSplinePath>(id);
for (qint32 i = 0; i < splPath.Count(); ++i)
{
doc->DecrementReferens(splPath.at(i).P().id());
}
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief SaveDialog save options into file after change in dialog.
*/
void VToolSplinePath::SaveDialog(QDomElement &domElement)
{
SCASSERT(dialog != nullptr);
DialogSplinePath *dialogTool = qobject_cast<DialogSplinePath*>(dialog);
SCASSERT(dialogTool != nullptr);
VSplinePath splPath = dialogTool->GetPath();
RefreshSplinePath(splPath);
doc->SetAttribute(domElement, AttrKCurve, QString().setNum(splPath.GetKCurve()));
doc->SetAttribute(domElement, AttrColor, dialogTool->GetColor());
UpdatePathPoint(doc, domElement, splPath);
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSplinePath::SaveOptions(QDomElement &tag, QSharedPointer<VGObject> &obj)
{
QSharedPointer<VSplinePath> splPath = qSharedPointerDynamicCast<VSplinePath>(obj);
SCASSERT(splPath.isNull() == false);
doc->SetAttribute(tag, VDomDocument::AttrId, id);
doc->SetAttribute(tag, AttrType, ToolType);
doc->SetAttribute(tag, AttrKCurve, splPath->GetKCurve());
doc->SetAttribute(tag, AttrColor, lineColor);
doc->RemoveAllChild(tag);
for (qint32 i = 0; i < splPath->CountPoint(); ++i)
{
AddPathPoint(doc, tag, splPath->at(i));
}
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSplinePath::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
if (flags() & QGraphicsItem::ItemIsMovable)
{
if (event->button() == Qt::LeftButton && event->type() != QEvent::GraphicsSceneMouseDoubleClick)
{
VApplication::setOverrideCursor(cursorArrowCloseHand, 1, 1);
oldPosition = event->scenePos();
event->accept();
}
}
VAbstractSpline::mousePressEvent(event);
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSplinePath::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
if (flags() & QGraphicsItem::ItemIsMovable)
{
if (event->button() == Qt::LeftButton && event->type() != QEvent::GraphicsSceneMouseDoubleClick)
{
//Disable cursor-arrow-closehand
VApplication::restoreOverrideCursor(cursorArrowCloseHand);
}
}
VAbstractSpline::mouseReleaseEvent(event);
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSplinePath::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
// Don't need check if left mouse button was pressed. According to the Qt documentation "If you do receive this
// event, you can be certain that this item also received a mouse press event, and that this item is the current
// mouse grabber.".
VSplinePath oldSplPath = *VAbstractTool::data.GeometricObject<VSplinePath>(id);
VSplinePath newSplPath = oldSplPath;
int indexSpline = oldSplPath.Segment(oldPosition);
if (indexSpline == -1)
{
return;
}
VSpline spline = newSplPath.GetSpline(indexSpline);
const qreal t = spline.ParamT(oldPosition);
if (qFloor(t) == -1)
{
return;
}
// Magic Bezier Drag Equations follow!
// "weight" describes how the influence of the drag should be distributed
// among the handles; 0 = front handle only, 1 = back handle only.
double weight;
if (t <= 1.0 / 6.0)
{
weight = 0;
}
else if (t <= 0.5)
{
weight = (pow((6 * t - 1) / 2.0, 3)) / 2;
}
else if (t <= 5.0 / 6.0)
{
weight = (1 - pow((6 * (1-t) - 1) / 2.0, 3)) / 2 + 0.5;
}
else
{
weight = 1;
}
const QPointF delta = event->scenePos() - oldPosition;
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, &VPattern::LiteParseTree);
qApp->getUndoStack()->push(moveSplPath);
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSplinePath::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
if (flags() & QGraphicsItem::ItemIsMovable)
{
VApplication::setOverrideCursor(cursorArrowOpenHand, 1, 1);
}
VAbstractSpline::hoverEnterEvent(event);
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSplinePath::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
if (flags() & QGraphicsItem::ItemIsMovable)
{
//Disable cursor-arrow-openhand
VApplication::restoreOverrideCursor(cursorArrowOpenHand);
}
VAbstractSpline::hoverLeaveEvent(event);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief RefreshGeometry refresh item on scene.
*/
void VToolSplinePath::RefreshGeometry()
{
if (isHovered)
{
this->setPath(ToolPath(PathDirection::Show));
}
else
{
this->setPath(ToolPath());
}
this->setPen(QPen(CorrectColor(lineColor), qApp->toPixel(qApp->widthHairLine())/factor));
const QSharedPointer<VSplinePath> splPath = VAbstractTool::data.GeometricObject<VSplinePath>(id);
for (qint32 i = 1; i<=splPath->Count(); ++i)
{
VSpline spl = splPath->GetSpline(i);
QPointF splinePoint = spl.GetP1().toQPointF();
QPointF controlPoint = spl.GetP2();
emit RefreshLine(i, SplinePointPosition::FirstPoint, controlPoint, splinePoint);
splinePoint = spl.GetP4().toQPointF();
controlPoint = spl.GetP3();
emit RefreshLine(i, SplinePointPosition::LastPoint, controlPoint, splinePoint);
qint32 j = i*2;
controlPoints[j-2]->blockSignals(true);
controlPoints[j-1]->blockSignals(true);
controlPoints[j-2]->setPos(spl.GetP2());
controlPoints[j-1]->setPos(spl.GetP3());
controlPoints[j-2]->blockSignals(false);
controlPoints[j-1]->blockSignals(false);
}
if (vis != nullptr)
{
VisToolSplinePath *visual = qobject_cast<VisToolSplinePath *>(vis);
QSharedPointer<VSplinePath> splPath = VAbstractTool::data.GeometricObject<VSplinePath>(id);
visual->setPath(*splPath.data());
visual->setMode(Mode::Show);
visual->RefreshGeometry();
}
}