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RotoUndoCommand.cpp
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RotoUndoCommand.cpp
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/* ***** BEGIN LICENSE BLOCK *****
* This file is part of Natron <https://natrongithub.github.io/>,
* (C) 2018-2021 The Natron developers
* (C) 2013-2018 INRIA and Alexandre Gauthier-Foichat
*
* Natron 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 2 of the License, or
* (at your option) any later version.
*
* Natron 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 Natron. If not, see <http://www.gnu.org/licenses/gpl-2.0.html>
* ***** END LICENSE BLOCK ***** */
// ***** BEGIN PYTHON BLOCK *****
// from <https://docs.python.org/3/c-api/intro.html#include-files>:
// "Since Python may define some pre-processor definitions which affect the standard headers on some systems, you must include Python.h before any standard headers are included."
#include <Python.h>
// ***** END PYTHON BLOCK *****
#include "RotoUndoCommand.h"
#include <stdexcept>
CLANG_DIAG_OFF(deprecated)
CLANG_DIAG_OFF(uninitialized)
#include <QtCore/QDebug>
CLANG_DIAG_ON(deprecated)
CLANG_DIAG_ON(uninitialized)
#include "Global/GlobalDefines.h"
#include "Engine/Bezier.h"
#include "Engine/BezierCP.h"
#include "Engine/FeatherPoint.h"
#include "Engine/KnobTypes.h"
#include "Engine/Node.h"
#include "Engine/Project.h"
#include "Engine/RotoContext.h"
#include "Engine/RotoLayer.h"
#include "Engine/RotoStrokeItem.h"
#include "Engine/RotoPaintInteract.h"
#include "Engine/RotoPaint.h"
#include "Engine/Transform.h"
#include "Engine/ViewIdx.h"
NATRON_NAMESPACE_ENTER
typedef BezierCPPtr CpPtr;
typedef std::pair<CpPtr, CpPtr> SelectedCp;
typedef std::list<SelectedCp> SelectedCpList;
typedef BezierPtr BezierPtr;
typedef std::list<BezierPtr> BezierList;
MoveControlPointsUndoCommand::MoveControlPointsUndoCommand(const RotoPaintInteractPtr& roto,
const std::list<std::pair<BezierCPPtr, BezierCPPtr> > & toDrag
,
double dx,
double dy,
double time)
: UndoCommand()
, _firstRedoCalled(false)
, _roto(roto)
, _dx(dx)
, _dy(dy)
, _featherLinkEnabled( roto->getContext()->isFeatherLinkEnabled() )
, _rippleEditEnabled( roto->getContext()->isRippleEditEnabled() )
, _selectedTool(roto->selectedToolAction )
, _time(time)
, _pointsToDrag(toDrag)
{
setText( tr("Move control points").toStdString() );
assert(roto);
roto->getSelection(&_selectedCurves, &_selectedPoints);
///we make a copy of the points
for (SelectedCpList::iterator it = _pointsToDrag.begin(); it != _pointsToDrag.end(); ++it) {
CpPtr first, second;
if ( it->first->isFeatherPoint() ) {
first.reset( new FeatherPoint( it->first->getBezier() ) );
first->clone( *(it->first) );
} else {
first.reset( new BezierCP( *(it->first) ) );
}
if (it->second) {
if ( it->second->isFeatherPoint() ) {
second.reset( new FeatherPoint( it->second->getBezier() ) );
second->clone( *(it->second) );
} else {
second.reset( new BezierCP( *(it->second) ) );
}
}
_originalPoints.push_back( std::make_pair(first, second) );
}
for (SelectedCpList::iterator it = _pointsToDrag.begin(); it != _pointsToDrag.end(); ++it) {
if ( !it->first->isFeatherPoint() ) {
_indexesToMove.push_back( it->first->getBezier()->getControlPointIndex(it->first) );
} else {
_indexesToMove.push_back( it->second->getBezier()->getControlPointIndex(it->second) );
}
}
}
MoveControlPointsUndoCommand::~MoveControlPointsUndoCommand()
{
}
void
MoveControlPointsUndoCommand::undo()
{
SelectedCpList::iterator cpIt = _originalPoints.begin();
std::set<Bezier*> beziers;
for (SelectedCpList::iterator it = _pointsToDrag.begin(); it != _pointsToDrag.end(); ++it) {
beziers.insert( it->first->getBezier().get() );
}
for (SelectedCpList::iterator it = _pointsToDrag.begin(); it != _pointsToDrag.end(); ++it, ++cpIt) {
it->first->clone(*cpIt->first);
if (it->second) {
it->second->clone(*cpIt->second);
}
}
for (std::set<Bezier*>::iterator it = beziers.begin(); it != beziers.end(); ++it) {
(*it)->incrementNodesAge();
}
RotoPaintInteractPtr roto = _roto.lock();
roto->evaluate(true);
roto->setCurrentTool( _selectedTool.lock() );
roto->setSelection(_selectedCurves, _selectedPoints);
}
void
MoveControlPointsUndoCommand::redo()
{
SelectedCpList::iterator itPoints = _pointsToDrag.begin();
assert( _pointsToDrag.size() == _indexesToMove.size() );
RotoPaintInteractPtr roto = _roto.lock();
if (!roto) {
return;
}
RotoToolEnum selectedTool;
bool ok = roto->getToolForAction(_selectedTool.lock(), &selectedTool);
try {
for (std::list<int>::iterator it = _indexesToMove.begin(); it != _indexesToMove.end(); ++it, ++itPoints) {
if ( itPoints->first->isFeatherPoint() ) {
if ( ok && ( ( selectedTool == eRotoToolSelectFeatherPoints ) ||
( selectedTool == eRotoToolSelectAll ) ||
( selectedTool == eRotoToolDrawBezier ) ) ) {
itPoints->first->getBezier()->moveFeatherByIndex(*it, _time, _dx, _dy);
}
} else {
if ( ok && ( ( selectedTool == eRotoToolSelectPoints ) ||
( selectedTool == eRotoToolSelectAll ) ||
( selectedTool == eRotoToolDrawBezier ) ) ) {
itPoints->first->getBezier()->movePointByIndex(*it, _time, _dx, _dy);
}
}
}
} catch (const std::exception & e) {
qDebug() << "Exception while operating MoveControlPointsUndoCommand::redo(): " << e.what();
}
if (_firstRedoCalled) {
roto->setSelection(_selectedCurves, _selectedPoints);
roto->evaluate(true);
}
_firstRedoCalled = true;
}
bool
MoveControlPointsUndoCommand::mergeWith(const UndoCommandPtr& other)
{
const MoveControlPointsUndoCommand* mvCmd = dynamic_cast<const MoveControlPointsUndoCommand*>( other.get() );
if (!mvCmd) {
return false;
}
if ( ( mvCmd->_pointsToDrag.size() != _pointsToDrag.size() ) || (mvCmd->_time != _time) || ( mvCmd->_selectedTool.lock() != _selectedTool.lock() )
|| ( mvCmd->_rippleEditEnabled != _rippleEditEnabled) || ( mvCmd->_featherLinkEnabled != _featherLinkEnabled) ) {
return false;
}
std::list<std::pair<BezierCPPtr, BezierCPPtr> >::const_iterator it = _pointsToDrag.begin();
std::list<std::pair<BezierCPPtr, BezierCPPtr> >::const_iterator oIt = mvCmd->_pointsToDrag.begin();
for (; it != _pointsToDrag.end(); ++it, ++oIt) {
if ( (it->first != oIt->first) || (it->second != oIt->second) ) {
return false;
}
}
_dx += mvCmd->_dx;
_dy += mvCmd->_dy;
return true;
}
////////////////////////
TransformUndoCommand::TransformUndoCommand(const RotoPaintInteractPtr& roto,
double centerX,
double centerY,
double rot,
double skewX,
double skewY,
double tx,
double ty,
double sx,
double sy,
double time)
: UndoCommand()
, _firstRedoCalled(false)
, _roto(roto)
, _rippleEditEnabled( roto->getContext()->isRippleEditEnabled() )
, _selectedTool(roto->selectedToolAction)
, _matrix()
, _time(time)
, _selectedCurves()
, _originalPoints()
, _selectedPoints()
{
_matrix = boost::make_shared<Transform::Matrix3x3>();
std::list<std::pair<BezierCPPtr, BezierCPPtr> > selected;
roto->getSelection(&_selectedCurves, &selected);
_selectedPoints = selected;
*_matrix = Transform::matTransformCanonical(tx, ty, sx, sy, skewX, skewY, true, (rot), centerX, centerY);
///we make a copy of the points
for (SelectedCpList::iterator it = _selectedPoints.begin(); it != _selectedPoints.end(); ++it) {
CpPtr first( new BezierCP( *(it->first) ) );
CpPtr second;
if (it->second) {
second.reset( new BezierCP( *(it->second) ) );
}
_originalPoints.push_back( std::make_pair(first, second) );
}
setText( tr("Transform control points").toStdString() );
}
TransformUndoCommand::~TransformUndoCommand()
{
}
void
TransformUndoCommand::undo()
{
SelectedCpList::iterator cpIt = _originalPoints.begin();
std::set<Bezier*> beziers;
for (SelectedCpList::iterator it = _selectedPoints.begin(); it != _selectedPoints.end(); ++it) {
beziers.insert( it->first->getBezier().get() );
}
for (std::set<Bezier*>::iterator it = beziers.begin(); it != beziers.end(); ++it) {
(*it)->incrementNodesAge();
}
for (SelectedCpList::iterator it = _selectedPoints.begin(); it != _selectedPoints.end(); ++it, ++cpIt) {
it->first->clone(*cpIt->first);
if (it->second) {
it->second->clone(*cpIt->second);
}
}
RotoPaintInteractPtr roto = _roto.lock();
if (!roto) {
return;
}
roto->evaluate(true);
roto->setCurrentTool( _selectedTool.lock() );
roto->setSelection(_selectedCurves, _selectedPoints);
}
void
TransformUndoCommand::transformPoint(const BezierCPPtr & point)
{
point->getBezier()->transformPoint( point, _time, _matrix.get() );
}
void
TransformUndoCommand::redo()
{
for (SelectedCpList::iterator it = _selectedPoints.begin(); it != _selectedPoints.end(); ++it) {
transformPoint(it->first);
if (it->second) {
transformPoint(it->second);
}
}
RotoPaintInteractPtr roto = _roto.lock();
if (!roto) {
return;
}
if (_firstRedoCalled) {
roto->setSelection(_selectedCurves, _selectedPoints);
roto->evaluate(true);
} else {
roto->computeSelectedCpsBBOX();
roto->redrawOverlays();
}
_firstRedoCalled = true;
}
bool
TransformUndoCommand::mergeWith(const UndoCommandPtr& other)
{
const TransformUndoCommand* cmd = dynamic_cast<const TransformUndoCommand*>( other.get() );
if (!cmd) {
return false;
}
if ( ( cmd->_selectedPoints.size() != _selectedPoints.size() ) || (cmd->_time != _time) || ( cmd->_selectedTool.lock() != _selectedTool.lock() )
|| ( cmd->_rippleEditEnabled != _rippleEditEnabled) ) {
return false;
}
SelectedCpList::const_iterator it = _selectedPoints.begin();
SelectedCpList::const_iterator oIt = cmd->_selectedPoints.begin();
for (; it != _selectedPoints.end(); ++it, ++oIt) {
if ( (it->first != oIt->first) || (it->second != oIt->second) ) {
return false;
}
}
*_matrix = matMul(*_matrix, *cmd->_matrix);
return true;
}
////////////////////////
AddPointUndoCommand::AddPointUndoCommand(const RotoPaintInteractPtr& roto,
const BezierPtr & curve,
int index,
double t)
: UndoCommand()
, _firstRedoCalled(false)
, _roto(roto)
, _curve(curve)
, _index(index)
, _t(t)
{
setText( tr("Add control point").toStdString() );
}
AddPointUndoCommand::~AddPointUndoCommand()
{
}
void
AddPointUndoCommand::undo()
{
RotoPaintInteractPtr roto = _roto.lock();
if (!roto) {
return;
}
_curve->removeControlPointByIndex(_index + 1);
roto->setSelection( _curve, std::make_pair( CpPtr(), CpPtr() ) );
roto->evaluate(true);
}
void
AddPointUndoCommand::redo()
{
BezierCPPtr cp = _curve->addControlPointAfterIndex(_index, _t);
BezierCPPtr newFp = _curve->getFeatherPointAtIndex(_index + 1);
RotoPaintInteractPtr roto = _roto.lock();
if (!roto) {
return;
}
roto->setSelection( _curve, std::make_pair(cp, newFp) );
if (_firstRedoCalled) {
roto->evaluate(true);
}
_firstRedoCalled = true;
}
////////////////////////
RemovePointUndoCommand::RemovePointUndoCommand(const RotoPaintInteractPtr& roto,
const BezierPtr & curve,
const BezierCPPtr & cp)
: UndoCommand()
, _roto(roto)
, _firstRedoCalled(false)
, _curves()
{
assert(curve && cp);
CurveDesc desc;
assert(curve && cp);
int indexToRemove = curve->getControlPointIndex(cp);
desc.curveRemoved = false; //set in the redo()
desc.parentLayer =
boost::dynamic_pointer_cast<RotoLayer>( roto->getContext()->getItemByName( curve->getParentLayer()->getScriptName() ) );
assert(desc.parentLayer);
desc.curve = curve;
desc.points.push_back(indexToRemove);
desc.oldCurve.reset( new Bezier(curve->getContext(), curve->getScriptName(), curve->getParentLayer(), false) );
desc.oldCurve->clone( curve.get() );
_curves.push_back(desc);
}
RemovePointUndoCommand::RemovePointUndoCommand(const RotoPaintInteractPtr& roto,
const SelectedCpList & points)
: UndoCommand()
, _roto(roto)
, _firstRedoCalled(false)
, _curves()
{
for (SelectedCpList::const_iterator it = points.begin(); it != points.end(); ++it) {
BezierCPPtr cp;
if ( it->first->isFeatherPoint() ) {
cp = it->second;
} else {
cp = it->first;
}
assert( cp && cp->getBezier() && roto && roto->getContext() );
BezierPtr curve = boost::dynamic_pointer_cast<Bezier>( roto->getContext()->getItemByName( cp->getBezier()->getScriptName() ) );
assert(curve);
RotoStrokeItem* isStroke = dynamic_cast<RotoStrokeItem*>( curve.get() );
std::list<CurveDesc >::iterator foundCurve = _curves.end();
for (std::list<CurveDesc >::iterator it2 = _curves.begin(); it2 != _curves.end(); ++it2) {
if (it2->curve == curve) {
foundCurve = it2;
break;
}
}
assert(curve);
assert(cp);
if (!curve) {
continue;
}
int indexToRemove = curve->getControlPointIndex(cp);
if ( foundCurve == _curves.end() ) {
CurveDesc curveDesc;
curveDesc.curveRemoved = false; //set in the redo()
curveDesc.parentLayer =
boost::dynamic_pointer_cast<RotoLayer>( roto->getContext()->getItemByName( cp->getBezier()->getParentLayer()->getScriptName() ) );
assert(curveDesc.parentLayer);
curveDesc.points.push_back(indexToRemove);
curveDesc.curve = curve;
if (!isStroke) {
curveDesc.oldCurve.reset( new Bezier(curve->getContext(), curve->getScriptName(), curve->getParentLayer(), false) );
} else {
curveDesc.oldCurve.reset( new RotoStrokeItem( isStroke->getBrushType(), curve->getContext(), curve->getScriptName(), curve->getParentLayer() ) );
}
curveDesc.oldCurve->clone( curve.get() );
_curves.push_back(curveDesc);
} else {
foundCurve->points.push_back(indexToRemove);
}
}
for (std::list<CurveDesc>::iterator it = _curves.begin(); it != _curves.end(); ++it) {
it->points.sort();
}
setText( tr("Remove control points").toStdString() );
}
RemovePointUndoCommand::~RemovePointUndoCommand()
{
}
void
RemovePointUndoCommand::undo()
{
RotoPaintInteractPtr roto = _roto.lock();
if (!roto) {
return;
}
std::list<RotoDrawableItemPtr> selection;
SelectedCpList cpSelection;
for (std::list<CurveDesc >::iterator it = _curves.begin(); it != _curves.end(); ++it) {
///clone the curve
it->curve->clone( it->oldCurve.get() );
if (it->curveRemoved) {
roto->getContext()->addItem(it->parentLayer, it->indexInLayer, it->curve, RotoItem::eSelectionReasonOverlayInteract);
}
selection.push_back(it->curve);
}
roto->setSelection(selection, cpSelection);
roto->evaluate(true);
}
void
RemovePointUndoCommand::redo()
{
RotoPaintInteractPtr roto = _roto.lock();
if (!roto) {
return;
}
///clone the curve
for (std::list<CurveDesc >::iterator it = _curves.begin(); it != _curves.end(); ++it) {
it->oldCurve->clone( it->curve.get() );
}
std::list<BezierPtr> toRemove;
for (std::list<CurveDesc >::iterator it = _curves.begin(); it != _curves.end(); ++it) {
BezierPtr isBezier = boost::dynamic_pointer_cast<Bezier>(it->curve);
if (!isBezier) {
continue;
}
///Remove in decreasing order so indexes don't get messed up
isBezier->setAutoOrientationComputation(false);
for (std::list<int>::reverse_iterator it2 = it->points.rbegin(); it2 != it->points.rend(); ++it2) {
isBezier->removeControlPointByIndex(*it2);
int cpCount = isBezier->getControlPointsCount();
if (cpCount == 1) {
isBezier->setCurveFinished(false);
} else if (cpCount == 0) {
it->curveRemoved = true;
std::list<BezierPtr>::iterator found = std::find( toRemove.begin(), toRemove.end(), it->curve );
if ( found == toRemove.end() ) {
toRemove.push_back(isBezier);
}
}
}
isBezier->setAutoOrientationComputation(true);
isBezier->refreshPolygonOrientation(true);
}
for (std::list<BezierPtr>::iterator it = toRemove.begin(); it != toRemove.end(); ++it) {
roto->removeCurve(*it);
}
roto->setSelection( BezierPtr(), std::make_pair( CpPtr(), CpPtr() ) );
roto->evaluate(_firstRedoCalled);
_firstRedoCalled = true;
}
//////////////////////////
RemoveCurveUndoCommand::RemoveCurveUndoCommand(const RotoPaintInteractPtr& roto,
const std::list<RotoDrawableItemPtr> & curves)
: UndoCommand()
, _roto(roto)
, _firstRedoCalled(false)
, _curves()
{
for (std::list<RotoDrawableItemPtr>::const_iterator it = curves.begin(); it != curves.end(); ++it) {
RemovedCurve r;
r.curve = *it;
r.layer = boost::dynamic_pointer_cast<RotoLayer>( roto->getContext()->getItemByName( (*it)->getParentLayer()->getScriptName() ) );
assert(r.layer);
r.indexInLayer = r.layer->getChildIndex(*it);
assert(r.indexInLayer != -1);
_curves.push_back(r);
}
setText( tr("Remove shape(s)").toStdString() );
}
RemoveCurveUndoCommand::~RemoveCurveUndoCommand()
{
}
void
RemoveCurveUndoCommand::undo()
{
RotoPaintInteractPtr roto = _roto.lock();
if (!roto) {
return;
}
std::list<RotoDrawableItemPtr> selection;
for (std::list<RemovedCurve>::iterator it = _curves.begin(); it != _curves.end(); ++it) {
roto->getContext()->addItem(it->layer, it->indexInLayer, it->curve, RotoItem::eSelectionReasonOverlayInteract);
BezierPtr isBezier = boost::dynamic_pointer_cast<Bezier>(it->curve);
if (isBezier) {
selection.push_back(isBezier);
}
}
SelectedCpList cpList;
if ( !selection.empty() ) {
roto->setSelection(selection, cpList);
}
roto->evaluate(true);
}
void
RemoveCurveUndoCommand::redo()
{
RotoPaintInteractPtr roto = _roto.lock();
if (!roto) {
return;
}
for (std::list<RemovedCurve>::iterator it = _curves.begin(); it != _curves.end(); ++it) {
roto->removeCurve(it->curve);
}
roto->evaluate(_firstRedoCalled);
roto->setSelection( BezierPtr(), std::make_pair( CpPtr(), CpPtr() ) );
_firstRedoCalled = true;
}
////////////////////////////////
AddStrokeUndoCommand::AddStrokeUndoCommand(const RotoPaintInteractPtr& roto,
const RotoStrokeItemPtr& item)
: UndoCommand()
, _roto(roto)
, _firstRedoCalled(false)
, _item(item)
, _layer( item->getParentLayer() )
, _indexInLayer(_layer ? _layer->getChildIndex(_item) : -1)
{
assert(_indexInLayer != -1);
setText( tr("Paint Stroke").toStdString() );
}
AddStrokeUndoCommand::~AddStrokeUndoCommand()
{
}
void
AddStrokeUndoCommand::undo()
{
RotoPaintInteractPtr roto = _roto.lock();
if (!roto) {
return;
}
roto->removeCurve(_item);
roto->evaluate(true);
}
void
AddStrokeUndoCommand::redo()
{
RotoPaintInteractPtr roto = _roto.lock();
if (!roto) {
return;
}
if (_firstRedoCalled) {
roto->getContext()->addItem(_layer, _indexInLayer, _item, RotoItem::eSelectionReasonOverlayInteract);
}
if (_firstRedoCalled) {
roto->evaluate(true);
}
_firstRedoCalled = true;
}
AddMultiStrokeUndoCommand::AddMultiStrokeUndoCommand(const RotoPaintInteractPtr& roto,
const RotoStrokeItemPtr& item)
: UndoCommand()
, _roto(roto)
, _firstRedoCalled(false)
, _item(item)
, _layer( item->getParentLayer() )
, _indexInLayer(_layer ? _layer->getChildIndex(_item) : -1)
, isRemoved(false)
{
assert(_indexInLayer != -1);
setText( tr("Paint Stroke").toStdString() );
}
AddMultiStrokeUndoCommand::~AddMultiStrokeUndoCommand()
{
}
void
AddMultiStrokeUndoCommand::undo()
{
RotoPaintInteractPtr roto = _roto.lock();
if (!roto) {
return;
}
if ( _item->removeLastStroke(&_xCurve, &_yCurve, &_pCurve) ) {
roto->removeCurve(_item);
isRemoved = true;
}
roto->evaluate(true);
}
void
AddMultiStrokeUndoCommand::redo()
{
RotoPaintInteractPtr roto = _roto.lock();
if (!roto) {
return;
}
if (_firstRedoCalled) {
if (_xCurve) {
_item->addStroke(_xCurve, _yCurve, _pCurve);
}
if (isRemoved) {
roto->getContext()->addItem(_layer, _indexInLayer, _item, RotoItem::eSelectionReasonOverlayInteract);
}
roto->evaluate(true);
}
_firstRedoCalled = true;
}
MoveTangentUndoCommand::MoveTangentUndoCommand(const RotoPaintInteractPtr& roto,
double dx,
double dy,
double time,
const BezierCPPtr & cp,
bool left,
bool breakTangents)
: UndoCommand()
, _firstRedoCalled(false)
, _roto(roto)
, _dx(dx)
, _dy(dy)
, _featherLinkEnabled( roto->getContext()->isFeatherLinkEnabled() )
, _rippleEditEnabled( roto->getContext()->isRippleEditEnabled() )
, _time(time)
, _tangentBeingDragged(cp)
, _oldCp()
, _oldFp()
, _left(left)
, _breakTangents(breakTangents)
{
roto->getSelection(&_selectedCurves, &_selectedPoints);
BezierCPPtr counterPart;
if ( cp->isFeatherPoint() ) {
counterPart = _tangentBeingDragged->getBezier()->getControlPointForFeatherPoint(_tangentBeingDragged);
_oldCp.reset( new BezierCP(*counterPart) );
_oldFp.reset( new BezierCP(*_tangentBeingDragged) );
} else {
counterPart = _tangentBeingDragged->getBezier()->getFeatherPointForControlPoint(_tangentBeingDragged);
_oldCp.reset( new BezierCP(*_tangentBeingDragged) );
if (counterPart) {
_oldFp.reset( new BezierCP(*counterPart) );
}
}
setText( tr("Move control point tangent").toStdString() );
}
MoveTangentUndoCommand::~MoveTangentUndoCommand()
{
}
NATRON_NAMESPACE_ANONYMOUS_ENTER
static void
getDeltaForPoint(const BezierCP& p,
const double time,
const Transform::Matrix3x3& transform,
const double dx,
const double dy,
const bool isLeft,
const bool breakTangents,
double* otherDiffX,
double* otherDiffY,
bool *isOnKeyframe)
{
Transform::Point3D ltan, rtan, pos;
ltan.z = rtan.z = pos.z = 1;
*isOnKeyframe = p.getLeftBezierPointAtTime(true, time, ViewIdx(0), <an.x, <an.y);
p.getRightBezierPointAtTime(true, time, ViewIdx(0), &rtan.x, &rtan.y);
p.getPositionAtTime(true, time, ViewIdx(0), &pos.x, &pos.y);
pos = Transform::matApply(transform, pos);
ltan = Transform::matApply(transform, ltan);
rtan = Transform::matApply(transform, rtan);
double dist = isLeft ? sqrt( (rtan.x - pos.x) * (rtan.x - pos.x) + (rtan.y - pos.y) * (rtan.y - pos.y) )
: sqrt( (ltan.x - pos.x) * (ltan.x - pos.x) + (ltan.y - pos.y) * (ltan.y - pos.y) );
if (isLeft) {
ltan.x += dx;
ltan.y += dy;
} else {
rtan.x += dx;
rtan.y += dy;
}
double alpha = isLeft ? std::atan2(pos.y - ltan.y, pos.x - ltan.x) : std::atan2(pos.y - rtan.y, pos.x - rtan.x);
if (isLeft) {
*otherDiffX = breakTangents ? 0 : pos.x + std::cos(alpha) * dist - rtan.x;
*otherDiffY = breakTangents ? 0 : pos.y + std::sin(alpha) * dist - rtan.y;
} else {
*otherDiffX = breakTangents ? 0 : pos.x + std::cos(alpha) * dist - ltan.x;
*otherDiffY = breakTangents ? 0 : pos.y + std::sin(alpha) * dist - ltan.y;
}
}
static void
dragTangent(double time,
BezierCP & cp,
BezierCP & fp,
const Transform::Matrix3x3& transform,
double dx,
double dy,
bool both, //< should both tangents be moved symmetrically?
bool left, //< which one is being controlled
bool autoKeying,
bool breakTangents,
bool draggedPointIsFeather)
{
bool isOnKeyframe;
double otherDiffX, otherDiffY, otherFpDiffX, otherFpDiffY;
getDeltaForPoint(cp, time, transform, dx, dy, left, breakTangents, &otherDiffX, &otherDiffY, &isOnKeyframe);
getDeltaForPoint(fp, time, transform, dx, dy, left, breakTangents, &otherFpDiffX, &otherFpDiffY, &isOnKeyframe);
if (autoKeying || isOnKeyframe) {
if (both) {
if (!left) {
dx = -dx;
dy = -dy;
}
cp.getBezier()->movePointLeftAndRightIndex(cp, fp, time, dx, dy, -dx, -dy, dx, dy, -dx, -dy, breakTangents, draggedPointIsFeather);
} else {
if (left) {
cp.getBezier()->movePointLeftAndRightIndex(cp, fp, time, dx, dy, otherDiffX, otherDiffY, dx, dy, otherFpDiffX, otherFpDiffY, breakTangents, draggedPointIsFeather);
} else {
cp.getBezier()->movePointLeftAndRightIndex(cp, fp, time, otherDiffX, otherDiffY, dx, dy, otherFpDiffX, otherFpDiffY, dx, dy, breakTangents, draggedPointIsFeather);
}
}
}
}
NATRON_NAMESPACE_ANONYMOUS_EXIT
void
MoveTangentUndoCommand::undo()
{
RotoPaintInteractPtr roto = _roto.lock();
if (!roto) {
return;
}
BezierCPPtr counterPart;
if ( _tangentBeingDragged->isFeatherPoint() ) {
counterPart = _tangentBeingDragged->getBezier()->getControlPointForFeatherPoint(_tangentBeingDragged);
if (counterPart) {
counterPart->clone(*_oldCp);
}
_tangentBeingDragged->clone(*_oldFp);
} else {
counterPart = _tangentBeingDragged->getBezier()->getFeatherPointForControlPoint(_tangentBeingDragged);
if (counterPart) {
counterPart->clone(*_oldFp);
}
_tangentBeingDragged->clone(*_oldCp);
}
_tangentBeingDragged->getBezier()->incrementNodesAge();
if (_firstRedoCalled) {
roto->setSelection(_selectedCurves, _selectedPoints);
}
roto->evaluate(true);
}
void
MoveTangentUndoCommand::redo()
{
RotoPaintInteractPtr roto = _roto.lock();
if (!roto) {
return;
}
BezierCPPtr cp, fp;
if ( _tangentBeingDragged->isFeatherPoint() ) {
cp = _tangentBeingDragged->getBezier()->getControlPointForFeatherPoint(_tangentBeingDragged);
fp = _tangentBeingDragged;
_oldCp->clone(*cp);
_oldFp->clone(*fp);
} else {
cp = _tangentBeingDragged;
fp = _tangentBeingDragged->getBezier()->getFeatherPointForControlPoint(_tangentBeingDragged);
if (fp) {
_oldFp->clone(*fp);
}
_oldCp->clone(*cp);
}
_tangentBeingDragged->getBezier()->incrementNodesAge();
Transform::Matrix3x3 transform;
_tangentBeingDragged->getBezier()->getTransformAtTime(_time, &transform);
bool autoKeying = roto->getContext()->isAutoKeyingEnabled();
dragTangent( _time, *cp, *fp, transform, _dx, _dy, false, _left, autoKeying, _breakTangents, _tangentBeingDragged->isFeatherPoint() );
if (_firstRedoCalled) {
roto->setSelection(_selectedCurves, _selectedPoints);
roto->evaluate(true);
} else {
roto->computeSelectedCpsBBOX();
}
_firstRedoCalled = true;
}
bool
MoveTangentUndoCommand::mergeWith(const UndoCommandPtr &other)
{
const MoveTangentUndoCommand* mvCmd = dynamic_cast<const MoveTangentUndoCommand*>( other.get() );
if (!mvCmd) {
return false;
}
if ( (mvCmd->_tangentBeingDragged != _tangentBeingDragged) || (mvCmd->_left != _left) || (mvCmd->_featherLinkEnabled != _featherLinkEnabled)
|| ( mvCmd->_rippleEditEnabled != _rippleEditEnabled) ) {
return false;
}
_dx += mvCmd->_dx;
_dy += mvCmd->_dy;
return true;
}
//////////////////////////
MoveFeatherBarUndoCommand::MoveFeatherBarUndoCommand(const RotoPaintInteractPtr& roto,
double dx,
double dy,
const std::pair<BezierCPPtr, BezierCPPtr> & point,
double time)
: UndoCommand()
, _roto(roto)
, _firstRedoCalled(false)
, _dx(dx)
, _dy(dy)
, _rippleEditEnabled( roto->getContext()->isRippleEditEnabled() )
, _time(time)
, _curve()
, _oldPoint()
, _newPoint(point)
{
_curve = boost::dynamic_pointer_cast<Bezier>( roto->getContext()->getItemByName( point.first->getBezier()->getScriptName() ) );
assert(_curve);
_oldPoint.first.reset( new BezierCP(*_newPoint.first) );
_oldPoint.second.reset( new BezierCP(*_newPoint.second) );
setText( tr("Move control point feather bar").toStdString() );
}
MoveFeatherBarUndoCommand::~MoveFeatherBarUndoCommand()
{
}
void
MoveFeatherBarUndoCommand::undo()
{
RotoPaintInteractPtr roto = _roto.lock();