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Finished interactive rotation of the grainline and fixed cursor in the Grainline tab of detail dialog

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--HG--
branch : feature
This commit is contained in:
BojanKverh 2016-10-13 23:33:32 +02:00
parent 39afb81321
commit e192ff54ec
5 changed files with 107 additions and 24 deletions
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2
src/libs/vtools/dialogs/tools/dialogdetail.ui
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@ -530,7 +530,7 @@
</widget>
<widget class="QWidget" name="tab_3">
<property name="cursor">
<cursorShape>SizeVerCursor</cursorShape>
<cursorShape>ArrowCursor</cursorShape>
</property>
<attribute name="title">
<string>Grainline</string>

86
src/libs/vtools/tools/vgrainlineitem.cpp
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@ -52,8 +52,8 @@
* @param pParent pointer to the parent item
*/
VGrainlineItem::VGrainlineItem(QGraphicsItem* pParent)
:QGraphicsObject(pParent), m_eMode(VGrainlineItem::mNormal), m_bReleased(false), m_dRotation(0), m_dLength(0),
m_rectBoundingBox(), m_polyBound(), m_ptStartPos(), m_ptStartMove(), m_dScale(1), m_polyResize(),
:QGraphicsObject(pParent), m_eMode(VGrainlineItem::mNormal), m_bReleased(false), m_dRotation(0), m_dStartRotation(0),
m_dLength(0), m_rectBoundingBox(), m_polyBound(), m_ptStartPos(), m_ptStartMove(), m_dScale(1), m_polyResize(),
m_ptStart(), m_ptFinish(), m_ptCenter(), m_dAngle(0)
{
m_rectBoundingBox.setTopLeft(QPointF(0, 0));
@ -145,6 +145,19 @@ void VGrainlineItem::paint(QPainter* pP, const QStyleOptionGraphicsItem* pOption
qreal dRad = m_dScale * ROTATE_CIRC_R;
pP->setBrush(clr);
pP->drawEllipse(ptC, dRad, dRad);
pP->setBrush(Qt::NoBrush);
pP->save();
pP->translate(ptC);
pP->rotate(qRadiansToDegrees(-m_dRotation));
int iX = int(qRound(m_dLength/2 - 0.5*dRad));
int iY = int(qRound(RECT_WIDTH - 0.5*dRad));
int iR = int(qRound(dRad*3));
pP->drawArc(iX - iR, iY - iR, iR, iR, 0*16, -90*16);
pP->drawArc(-iX, iY - iR, iR, iR, 270*16, -90*16);
pP->drawArc(-iX, -iY, iR, iR, 180*16, -90*16);
pP->drawArc(iX - iR, -iY, iR, iR, 90*16, -90*16);
pP->restore();
}
}
@ -295,7 +308,9 @@ void VGrainlineItem::mousePressEvent(QGraphicsSceneMouseEvent* pME)
m_ptStartPos = pos();
m_ptStartMove = pME->scenePos();
m_dStartLength = m_dLength;
m_dStartRotation = m_dRotation;
m_dAngle = GetAngle(mapToParent(pME->pos()));
m_ptRotCenter = m_ptCenter;
if (m_eMode != mRotate)
{
@ -343,7 +358,7 @@ void VGrainlineItem::mouseMoveEvent(QGraphicsSceneMouseEvent* pME)
else if (m_eMode == mResize)
{
qreal dLen = qSqrt(ptDiff.x()*ptDiff.x() + ptDiff.y()*ptDiff.y());
qreal dAng = qAtan2(ptDiff.y(), ptDiff.x());
qreal dAng = qAtan2(-ptDiff.y(), ptDiff.x());
dLen = dLen*qCos(dAng - m_dRotation);
qreal dPrevLen = m_dLength;
// try with new length
@ -359,6 +374,13 @@ void VGrainlineItem::mouseMoveEvent(QGraphicsSceneMouseEvent* pME)
}
else if (m_eMode == mRotate)
{
// prevent strange angle changes due to singularities
qreal dLen = qSqrt(ptDiff.x()*ptDiff.x() + ptDiff.y()*ptDiff.y());
if (dLen < 2)
{
return;
}
if (fabs(m_dAngle) < 0.01)
{
m_dAngle = GetAngle(mapToParent(pME->pos()));
@ -366,9 +388,11 @@ void VGrainlineItem::mouseMoveEvent(QGraphicsSceneMouseEvent* pME)
}
qreal dAng = GetAngle(mapToParent(pME->pos())) - m_dAngle;
if (IsContained(m_ptStartPos, m_dRotation + dAng, dX, dY) == true)
QPointF ptNewPos = Rotate(m_ptStartPos, m_ptRotCenter, dAng);
if (IsContained(ptNewPos, m_dStartRotation + dAng, dX, dY) == true)
{
m_dRotation += dAng;
setPos(ptNewPos);
m_dRotation = m_dStartRotation + dAng;
UpdateRectangle();
UpdateBox();
}
@ -394,8 +418,9 @@ void VGrainlineItem::mouseReleaseEvent(QGraphicsSceneMouseEvent* pME)
RestoreOverrideCursor(Qt::SizeFDiagCursor);
}
qreal dD = fabs(pME->scenePos().x() - m_ptStartMove.x()) + fabs(pME->scenePos().y() - m_ptStartMove.y());
bool bShort = (dD < 2);
QPointF ptDiff = pME->scenePos() - m_ptStartMove;
qreal dLen = qSqrt(ptDiff.x()*ptDiff.x() + ptDiff.y()*ptDiff.y());
bool bShort = (dLen < 2);
if (m_eMode == mMove || m_eMode == mResize)
{
@ -428,7 +453,7 @@ void VGrainlineItem::mouseReleaseEvent(QGraphicsSceneMouseEvent* pME)
}
else
{
emit SignalRotated(m_dRotation);
emit SignalRotated(m_dRotation, m_ptStart);
}
UpdateBox();
}
@ -506,10 +531,10 @@ void VGrainlineItem::UpdateRectangle()
* @param pt point of interest
* @return the angle between line from rotation center and point of interest and x axis
*/
double VGrainlineItem::GetAngle(QPointF pt) const
qreal VGrainlineItem::GetAngle(const QPointF& pt) const
{
double dX = pt.x() - m_ptCenter.x();
double dY = pt.y() - m_ptCenter.y();
double dX = pt.x() - m_ptRotCenter.x();
double dY = pt.y() - m_ptRotCenter.y();
if (fabs(dX) < 1 && fabs(dY) < 1)
{
@ -517,7 +542,44 @@ double VGrainlineItem::GetAngle(QPointF pt) const
}
else
{
return qAtan2(dY, dX);
return qAtan2(-dY, dX);
}
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VGrainlineItem::Rotate rotates point pt around ptCenter by angle dAng [rad]
* and returns the resulting point
* @param pt point to rotate
* @param ptCenter center of rotation
* @param dAng angle of rotation
* @return point, which is a result of rotating pt around ptCenter by angle dAng
*/
QPointF VGrainlineItem::Rotate(const QPointF& pt, const QPointF& ptCenter, qreal dAng) const
{
QPointF ptRel = pt - ptCenter;
QPointF ptFinal;
ptFinal.setX(ptRel.x()*qCos(dAng) + ptRel.y()*qSin(dAng));
ptFinal.setY(-ptRel.x()*qSin(dAng) + ptRel.y()*qCos(dAng));
ptFinal += ptCenter;
return ptFinal;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VGrainlineItem::GetInsideCorner calculates a point inside the bounding polygon,
* dDist away of i-th point in each direction
* @param i index of corner
* @param dDist distance
* @return resulting point
*/
QPointF VGrainlineItem::GetInsideCorner(int i, qreal dDist) const
{
QPointF pt1 = m_polyBound.at((i + 1) % m_polyBound.count()) - m_polyBound.at(i);
QPointF pt2 = m_polyBound.at((i + m_polyBound.count() - 1) % m_polyBound.count()) - m_polyBound.at(i);
pt1 = dDist*pt1/qSqrt(pt1.x()*pt1.x() + pt1.y()*pt1.y());
pt2 = dDist*pt2/qSqrt(pt2.x()*pt2.x() + pt2.y()*pt2.y());
return m_polyBound.at(i) + pt1 + pt2;
}

8
src/libs/vtools/tools/vgrainlineitem.h
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@ -69,17 +69,20 @@ protected:
void UpdateBox();
void UpdateRectangle();
qreal GetAngle(QPointF pt) const;
qreal GetAngle(const QPointF& pt) const;
QPointF Rotate(const QPointF& pt, const QPointF& ptCenter, qreal dAng) const;
QPointF GetInsideCorner(int i, qreal dDist) const;
signals:
void SignalMoved(const QPointF& ptPos);
void SignalResized(qreal dLength);
void SignalRotated(qreal dRot);
void SignalRotated(qreal dRot, const QPointF& ptNewPos);
private:
Mode m_eMode;
bool m_bReleased;
qreal m_dRotation;
qreal m_dStartRotation;
qreal m_dLength;
QRectF m_rectBoundingBox;
QPolygonF m_polyBound;
@ -91,6 +94,7 @@ private:
QPointF m_ptStart;
QPointF m_ptFinish;
QPointF m_ptCenter;
QPointF m_ptRotCenter;
qreal m_dAngle;
};

24
src/libs/vtools/tools/vtooldetail.cpp
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@ -206,6 +206,7 @@ VToolDetail::VToolDetail(VAbstractPattern *doc, VContainer *data, const quint32
connect(grainLine, &VGrainlineItem::SignalMoved, this, &VToolDetail::SaveMoveGrainline);
connect(grainLine, &VGrainlineItem::SignalResized, this, &VToolDetail::SaveResizeGrainline);
connect(grainLine, &VGrainlineItem::SignalRotated, this, &VToolDetail::SaveRotateGrainline);
connect(doc, &VAbstractPattern::patternChanged, this, &VToolDetail::UpdatePatternInfo);
connect(doc, &VAbstractPattern::CheckLayout, this, &VToolDetail::UpdateLabel);
@ -1077,10 +1078,25 @@ void VToolDetail::SaveResizeGrainline(qreal dLength)
dLength = FromPixel(dLength, *VDataTool::data.GetPatternUnit());
newDet.GetGrainlineGeometry().SetLength(qApp->LocaleToString(dLength));
SaveDetailOptions* moveCommand = new SaveDetailOptions(oldDet, newDet, doc, id, this->scene());
moveCommand->setText(tr("resize grainline"));
connect(moveCommand, &SaveDetailOptions::NeedLiteParsing, doc, &VAbstractPattern::LiteParseTree);
qApp->getUndoStack()->push(moveCommand);
SaveDetailOptions* resizeCommand = new SaveDetailOptions(oldDet, newDet, doc, id, this->scene());
resizeCommand->setText(tr("resize grainline"));
connect(resizeCommand, &SaveDetailOptions::NeedLiteParsing, doc, &VAbstractPattern::LiteParseTree);
qApp->getUndoStack()->push(resizeCommand);
}
//---------------------------------------------------------------------------------------------------------------------
void VToolDetail::SaveRotateGrainline(qreal dRot, const QPointF& ptPos)
{
VDetail oldDet = VAbstractTool::data.GetDetail(id);
VDetail newDet = oldDet;
dRot = qRadiansToDegrees(dRot);
newDet.GetGrainlineGeometry().SetRotation(qApp->LocaleToString(dRot));
newDet.GetGrainlineGeometry().SetPos(ptPos);
SaveDetailOptions* rotateCommand = new SaveDetailOptions(oldDet, newDet, doc, id, this->scene());
rotateCommand->setText(tr("rotate grainline"));
connect(rotateCommand, &SaveDetailOptions::NeedLiteParsing, doc, &VAbstractPattern::LiteParseTree);
qApp->getUndoStack()->push(rotateCommand);
}
//---------------------------------------------------------------------------------------------------------------------

1
src/libs/vtools/tools/vtooldetail.h
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@ -130,6 +130,7 @@ protected slots:
virtual void SaveRotationPattern(qreal dRot);
virtual void SaveMoveGrainline(const QPointF& ptPos);
virtual void SaveResizeGrainline(qreal dLength);
virtual void SaveRotateGrainline(qreal dRot, const QPointF& ptPos);
private:
Q_DISABLE_COPY(VToolDetail)