valentina_old/src/libs/vtools/tools/drawTools/toolcurve/vtoolspline.cpp
2017-10-30 08:34:18 +02:00

678 lines
25 KiB
C++

/************************************************************************
**
** @file vtoolspline.cpp
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date November 15, 2013
**
** @brief
** @copyright
** This source code is part of the Valentina project, a pattern making
** program, whose allow create and modeling patterns of clothing.
** Copyright (C) 2013-2015 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 "vtoolspline.h"
#include <QDomElement>
#include <QEvent>
#include <QFlags>
#include <QGraphicsScene>
#include <QGraphicsSceneMouseEvent>
#include <QGraphicsView>
#include <QList>
#include <QPen>
#include <QPoint>
#include <QRectF>
#include <QSharedPointer>
#include <QStaticStringData>
#include <QStringData>
#include <QStringDataPtr>
#include <QUndoStack>
#include <QVector>
#include <Qt>
#include <new>
#include "../../../dialogs/tools/dialogspline.h"
#include "../../../dialogs/tools/dialogtool.h"
#include "../../../undocommands/movespline.h"
#include "../../../visualization/visualization.h"
#include "../../../visualization/path/vistoolspline.h"
#include "../ifc/exception/vexception.h"
#include "../ifc/ifcdef.h"
#include "../qmuparser/qmutokenparser.h"
#include "../vgeometry/vabstractcurve.h"
#include "../vgeometry/vgobject.h"
#include "../vgeometry/vpointf.h"
#include "../vmisc/vabstractapplication.h"
#include "../vmisc/vmath.h"
#include "../vpatterndb/vcontainer.h"
#include "../vwidgets/vcontrolpointspline.h"
#include "../vwidgets/vmaingraphicsscene.h"
#include "../../vabstracttool.h"
#include "../vdrawtool.h"
#include "vabstractspline.h"
const QString VToolSpline::ToolType = QStringLiteral("simpleInteractive");
const QString VToolSpline::OldToolType = QStringLiteral("simple");
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VToolSpline constructor.
* @param initData init data.
* @param parent parent object.
*/
VToolSpline::VToolSpline(VToolSplineInitData initData, QGraphicsItem *parent)
: VAbstractSpline(initData.doc, initData.data, initData.id, parent),
oldPosition(),
moved(false),
oldMoveSpline(),
newMoveSpline()
{
sceneType = SceneObject::Spline;
this->setFlag(QGraphicsItem::ItemIsMovable, true);
this->setFlag(QGraphicsItem::ItemIsFocusable, true);// For keyboard input focus
const auto spl = VAbstractTool::data.GeometricObject<VSpline>(initData.id);
auto InitControlPoint = [this](VControlPointSpline* cPoint)
{
connect(cPoint, &VControlPointSpline::ControlPointChangePosition, this,
&VToolSpline::ControlPointChangePosition);
connect(this, &VToolSpline::setEnabledPoint, cPoint, &VControlPointSpline::setEnabledPoint);
connect(cPoint, &VControlPointSpline::ShowContextMenu, this, &VToolSpline::contextMenuEvent);
connect(cPoint, &VControlPointSpline::Released, this, &VToolSpline::CurveReleased);
connect(cPoint, &VControlPointSpline::Selected, this, &VToolSpline::CurveSelected);
controlPoints.append(cPoint);
};
const bool freeAngle1 = qmu::QmuTokenParser::IsSingle(spl->GetStartAngleFormula());
const bool freeLength1 = qmu::QmuTokenParser::IsSingle(spl->GetC1LengthFormula());
auto *controlPoint1 = new VControlPointSpline(1, SplinePointPosition::FirstPoint,
static_cast<QPointF>(spl->GetP2()),
static_cast<QPointF>(spl->GetP1()),
freeAngle1, freeLength1, this);
InitControlPoint(controlPoint1);
const bool freeAngle2 = qmu::QmuTokenParser::IsSingle(spl->GetEndAngleFormula());
const bool freeLength2 = qmu::QmuTokenParser::IsSingle(spl->GetC2LengthFormula());
auto *controlPoint2 = new VControlPointSpline(1, SplinePointPosition::LastPoint,
static_cast<QPointF>(spl->GetP3()),
static_cast<QPointF>(spl->GetP4()),
freeAngle2, freeLength2, this);
InitControlPoint(controlPoint2);
ShowHandles(detailsMode);
ToolCreation(initData.typeCreation);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief setDialog set dialog when user want change tool option.
*/
void VToolSpline::setDialog()
{
SCASSERT(not m_dialog.isNull())
QSharedPointer<DialogSpline> dialogTool = m_dialog.objectCast<DialogSpline>();
SCASSERT(not dialogTool.isNull())
const auto spl = VAbstractTool::data.GeometricObject<VSpline>(m_id);
dialogTool->SetSpline(*spl);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @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.
* @return the created tool
*/
VToolSpline* VToolSpline::Create(QSharedPointer<DialogTool> dialog, VMainGraphicsScene *scene, VAbstractPattern *doc,
VContainer *data)
{
SCASSERT(not dialog.isNull())
QSharedPointer<DialogSpline> dialogTool = dialog.objectCast<DialogSpline>();
SCASSERT(not dialogTool.isNull())
VToolSplineInitData initData;
initData.scene = scene;
initData.doc = doc;
initData.data = data;
initData.parse = Document::FullParse;
initData.typeCreation = Source::FromGui;
auto spl = Create(initData, new VSpline(dialogTool->GetSpline()));
if (spl != nullptr)
{
spl->m_dialog = dialogTool;
}
return spl;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief Create help create tool.
* @param initData init data.
* @param spline spline.
* @return the created tool
*/
VToolSpline* VToolSpline::Create(VToolSplineInitData &initData, VSpline *spline)
{
if (initData.typeCreation == Source::FromGui)
{
initData.id = initData.data->AddGObject(spline);
initData.data->AddSpline(initData.data->GeometricObject<VAbstractBezier>(initData.id), initData.id);
}
else
{
initData.data->UpdateGObject(initData.id, spline);
initData.data->AddSpline(initData.data->GeometricObject<VAbstractBezier>(initData.id), initData.id);
if (initData.parse != Document::FullParse)
{
initData.doc->UpdateToolData(initData.id, initData.data);
}
}
if (initData.parse == Document::FullParse)
{
VAbstractTool::AddRecord(initData.id, Tool::Spline, initData.doc);
auto _spl = new VToolSpline(initData);
initData.scene->addItem(_spl);
InitSplineToolConnections(initData.scene, _spl);
VAbstractPattern::AddTool(initData.id, _spl);
initData.doc->IncrementReferens(spline->GetP1().getIdTool());
initData.doc->IncrementReferens(spline->GetP4().getIdTool());
return _spl;
}
return nullptr;
}
//---------------------------------------------------------------------------------------------------------------------
VToolSpline *VToolSpline::Create(VToolSplineInitData &initData)
{
const qreal calcAngle1 = CheckFormula(initData.id, initData.a1, initData.data);
const qreal calcAngle2 = CheckFormula(initData.id, initData.a2, initData.data);
const qreal calcLength1 = qApp->toPixel(CheckFormula(initData.id, initData.l1, initData.data));
const qreal calcLength2 = qApp->toPixel(CheckFormula(initData.id, initData.l2, initData.data));
auto p1 = initData.data->GeometricObject<VPointF>(initData.point1);
auto p4 = initData.data->GeometricObject<VPointF>(initData.point4);
auto spline = new VSpline(*p1, *p4, calcAngle1, initData.a1, calcAngle2, initData.a2, calcLength1, initData.l1,
calcLength2, initData.l2);
if (initData.duplicate > 0)
{
spline->SetDuplicate(initData.duplicate);
}
spline->SetColor(initData.color);
spline->SetPenStyle(initData.penStyle);
spline->SetApproximationScale(initData.approximationScale);
return VToolSpline::Create(initData, spline);
}
//---------------------------------------------------------------------------------------------------------------------
VSpline VToolSpline::getSpline() const
{
auto spline = VAbstractTool::data.GeometricObject<VSpline>(m_id);
return *spline.data();
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSpline::setSpline(const VSpline &spl)
{
QSharedPointer<VGObject> obj = VAbstractTool::data.GetGObject(m_id);
QSharedPointer<VSpline> spline = qSharedPointerDynamicCast<VSpline>(obj);
*spline.data() = spl;
SaveOption(obj);
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSpline::ShowVisualization(bool show)
{
ShowToolVisualization<VisToolSpline>(show);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @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 VToolSpline::ControlPointChangePosition(const qint32 &indexSpline, const SplinePointPosition &position,
const QPointF &pos)
{
Q_UNUSED(indexSpline)
const QSharedPointer<VSpline> spline = VAbstractTool::data.GeometricObject<VSpline>(m_id);
if (qApp->Settings()->IsFreeCurveMode() && not moved)
{
oldMoveSpline = spline;
moved = true;
}
const VSpline spl = CorrectedSpline(*spline, position, pos);
if (not qApp->Settings()->IsFreeCurveMode())
{
UndoCommandMove(*spline, spl);
}
else
{
newMoveSpline = QSharedPointer<VSpline>(new VSpline(spl));
VAbstractTool::data.UpdateGObject(m_id, newMoveSpline);
RefreshGeometry();
if (QGraphicsScene *sc = scene())
{
VMainGraphicsView::NewSceneRect(sc, qApp->getSceneView(), this);
}
}
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSpline::EnableToolMove(bool move)
{
this->setFlag(QGraphicsItem::ItemIsMovable, move);
foreach (auto *point, controlPoints)
{
point->setFlag(QGraphicsItem::ItemIsMovable, move);
}
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief RemoveReferens decrement value of reference.
*/
void VToolSpline::RemoveReferens()
{
const auto spl = VAbstractTool::data.GeometricObject<VSpline>(m_id);
doc->DecrementReferens(spl->GetP1().getIdTool());
doc->DecrementReferens(spl->GetP4().getIdTool());
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief SaveDialog save options into file after change in dialog.
*/
void VToolSpline::SaveDialog(QDomElement &domElement, QList<quint32> &oldDependencies, QList<quint32> &newDependencies)
{
SCASSERT(not m_dialog.isNull())
auto dialogTool = qobject_cast<DialogSpline*>(m_dialog);
SCASSERT(dialogTool != nullptr)
const auto oldSpl = VAbstractTool::data.GeometricObject<VSpline>(m_id);
AddDependence(oldDependencies, oldSpl->GetP1().id());
AddDependence(oldDependencies, oldSpl->GetP4().id());
const VSpline spl = dialogTool->GetSpline();
AddDependence(newDependencies, spl.GetP1().id());
AddDependence(newDependencies, spl.GetP4().id());
controlPoints[0]->blockSignals(true);
controlPoints[1]->blockSignals(true);
controlPoints[0]->setPos(static_cast<QPointF>(spl.GetP2()));
controlPoints[1]->setPos(static_cast<QPointF>(spl.GetP3()));
controlPoints[0]->blockSignals(false);
controlPoints[1]->blockSignals(false);
SetSplineAttributes(domElement, spl);
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSpline::SaveOptions(QDomElement &tag, QSharedPointer<VGObject> &obj)
{
VAbstractSpline::SaveOptions(tag, obj);
auto spl = qSharedPointerDynamicCast<VSpline>(obj);
SCASSERT(spl.isNull() == false)
SetSplineAttributes(tag, *spl);
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSpline::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
if (flags() & QGraphicsItem::ItemIsMovable)
{
if (event->button() == Qt::LeftButton && event->type() != QEvent::GraphicsSceneMouseDoubleClick)
{
if (IsMovable())
{
SetItemOverrideCursor(this, cursorArrowCloseHand, 1, 1);
oldPosition = event->scenePos();
event->accept();
}
}
}
VAbstractSpline::mousePressEvent(event);
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSpline::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
if (flags() & QGraphicsItem::ItemIsMovable)
{
if (event->button() == Qt::LeftButton && event->type() != QEvent::GraphicsSceneMouseDoubleClick)
{
if (IsMovable())
{
SetItemOverrideCursor(this, cursorArrowOpenHand, 1, 1);
CurveReleased();
}
}
}
VAbstractSpline::mouseReleaseEvent(event);
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSpline::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
if (IsMovable())
{
// 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.".
// 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.
const auto spline = VAbstractTool::data.GeometricObject<VSpline>(m_id);
if (qApp->Settings()->IsFreeCurveMode() && not moved)
{
oldMoveSpline = spline;
moved = true;
}
const qreal t = spline->ParamT(oldPosition);
if (qFloor(t) == -1)
{
moved = false;
return;
}
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 = static_cast<QPointF>(spline->GetP2()) + offset0;
const QPointF p3 = static_cast<QPointF>(spline->GetP3()) + offset1;
oldPosition = event->scenePos(); // Now mouse here
newMoveSpline = QSharedPointer<VSpline>(new VSpline(spline->GetP1(), p2, p3, spline->GetP4()));
if (not qApp->Settings()->IsFreeCurveMode())
{
UndoCommandMove(*spline, *newMoveSpline);
}
else
{
VAbstractTool::data.UpdateGObject(m_id, newMoveSpline);
RefreshGeometry();
if (QGraphicsScene *sc = scene())
{
VMainGraphicsView::NewSceneRect(sc, qApp->getSceneView(), this);
}
}
// 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 (VMainGraphicsView *view = qobject_cast<VMainGraphicsView *>(viewList.at(0)))
{
VMainGraphicsScene *currentScene = qobject_cast<VMainGraphicsScene *>(scene());
SCASSERT(currentScene)
const QPointF cursorPosition = currentScene->getScenePos();
const qreal scale = SceneScale(scene());
view->EnsureVisibleWithDelay(QRectF(cursorPosition.x()-5/scale, cursorPosition.y()-5/scale, 10/scale,
10/scale),
VMainGraphicsView::scrollDelay);
}
}
changeFinished = true;
}
}
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSpline::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
if (flags() & QGraphicsItem::ItemIsMovable)
{
if (IsMovable())
{
SetItemOverrideCursor(this, cursorArrowOpenHand, 1, 1);
}
}
VAbstractSpline::hoverEnterEvent(event);
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSpline::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
if (flags() & QGraphicsItem::ItemIsMovable)
{
if (IsMovable())
{
setCursor(QCursor());
}
}
VAbstractSpline::hoverLeaveEvent(event);
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSpline::SetVisualization()
{
if (not vis.isNull())
{
VisToolSpline *visual = qobject_cast<VisToolSpline *>(vis);
SCASSERT(visual != nullptr)
const QSharedPointer<VSpline> spl = VAbstractTool::data.GeometricObject<VSpline>(m_id);
visual->setObject1Id(spl->GetP1().id());
visual->setObject4Id(spl->GetP4().id());
visual->SetAngle1(spl->GetStartAngle());
visual->SetAngle2(spl->GetEndAngle());
visual->SetKAsm1(spl->GetKasm1());
visual->SetKAsm2(spl->GetKasm2());
visual->SetKCurve(spl->GetKcurve());
visual->setLineStyle(LineStyleToPenStyle(spl->GetPenStyle()));
visual->setApproximationScale(spl->GetApproximationScale());
visual->SetMode(Mode::Show);
visual->RefreshGeometry();
}
}
//---------------------------------------------------------------------------------------------------------------------
bool VToolSpline::IsMovable() const
{
const auto spline = VAbstractTool::data.GeometricObject<VSpline>(m_id);
return qmu::QmuTokenParser::IsSingle(spline->GetStartAngleFormula()) &&
qmu::QmuTokenParser::IsSingle(spline->GetEndAngleFormula()) &&
qmu::QmuTokenParser::IsSingle(spline->GetC1LengthFormula()) &&
qmu::QmuTokenParser::IsSingle(spline->GetC2LengthFormula());
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSpline::RefreshCtrlPoints()
{
// Very important to disable control points. Without it the pogram can't move the curve.
foreach (auto *point, controlPoints)
{
point->setFlag(QGraphicsItem::ItemSendsGeometryChanges, false);
}
const auto spl = VAbstractTool::data.GeometricObject<VSpline>(m_id);
controlPoints[0]->blockSignals(true);
controlPoints[1]->blockSignals(true);
{
const bool freeAngle1 = qmu::QmuTokenParser::IsSingle(spl->GetStartAngleFormula());
const bool freeLength1 = qmu::QmuTokenParser::IsSingle(spl->GetC1LengthFormula());
const QPointF splinePoint =
static_cast<QPointF>(*VAbstractTool::data.GeometricObject<VPointF>(spl->GetP1().id()));
controlPoints[0]->RefreshCtrlPoint(1, SplinePointPosition::FirstPoint, static_cast<QPointF>(spl->GetP2()),
static_cast<QPointF>(splinePoint), freeAngle1, freeLength1);
}
{
const bool freeAngle2 = qmu::QmuTokenParser::IsSingle(spl->GetEndAngleFormula());
const bool freeLength2 = qmu::QmuTokenParser::IsSingle(spl->GetC2LengthFormula());
const QPointF splinePoint =
static_cast<QPointF>(*VAbstractTool::data.GeometricObject<VPointF>(spl->GetP4().id()));
controlPoints[1]->RefreshCtrlPoint(1, SplinePointPosition::LastPoint, static_cast<QPointF>(spl->GetP3()),
static_cast<QPointF>(splinePoint), freeAngle2, freeLength2);
}
controlPoints[0]->blockSignals(false);
controlPoints[1]->blockSignals(false);
foreach (auto *point, controlPoints)
{
point->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
}
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSpline::CurveReleased()
{
if (qApp->Settings()->IsFreeCurveMode() && moved)
{
UndoCommandMove(*oldMoveSpline, *newMoveSpline);
oldMoveSpline.clear();
newMoveSpline.clear();
moved = false;
}
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSpline::ShowContextMenu(QGraphicsSceneContextMenuEvent *event, quint32 id)
{
Q_UNUSED(id)
try
{
ContextMenu<DialogSpline>(event);
}
catch(const VExceptionToolWasDeleted &e)
{
Q_UNUSED(e)
return;//Leave this method immediately!!!
}
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSpline::SetSplineAttributes(QDomElement &domElement, const VSpline &spl)
{
SCASSERT(doc != nullptr)
doc->SetAttribute(domElement, AttrType, ToolType);
doc->SetAttribute(domElement, AttrPoint1, spl.GetP1().id());
doc->SetAttribute(domElement, AttrPoint4, spl.GetP4().id());
doc->SetAttribute(domElement, AttrAngle1, spl.GetStartAngleFormula());
doc->SetAttribute(domElement, AttrAngle2, spl.GetEndAngleFormula());
doc->SetAttribute(domElement, AttrLength1, spl.GetC1LengthFormula());
doc->SetAttribute(domElement, AttrLength2, spl.GetC2LengthFormula());
doc->SetAttribute(domElement, AttrColor, spl.GetColor());
doc->SetAttribute(domElement, AttrPenStyle, spl.GetPenStyle());
doc->SetAttribute(domElement, AttrAScale, spl.GetApproximationScale());
if (spl.GetDuplicate() > 0)
{
doc->SetAttribute(domElement, AttrDuplicate, spl.GetDuplicate());
}
else
{
if (domElement.hasAttribute(AttrDuplicate))
{
domElement.removeAttribute(AttrDuplicate);
}
}
if (domElement.hasAttribute(AttrKCurve))
{
domElement.removeAttribute(AttrKCurve);
}
if (domElement.hasAttribute(AttrKAsm1))
{
domElement.removeAttribute(AttrKAsm1);
}
if (domElement.hasAttribute(AttrKAsm2))
{
domElement.removeAttribute(AttrKAsm2);
}
}
//---------------------------------------------------------------------------------------------------------------------
void VToolSpline::UndoCommandMove(const VSpline &oldSpl, const VSpline &newSpl)
{
MoveSpline *moveSpl = new MoveSpline(doc, oldSpl, newSpl, m_id);
connect(moveSpl, &MoveSpline::NeedLiteParsing, doc, &VAbstractPattern::LiteParseTree);
qApp->getUndoStack()->push(moveSpl);
}