File indexing completed on 2024-05-19 04:24:55

 /* This file is part of the KDE project
  * SPDX-FileCopyrightText: 2006-2010 Thomas Zander <zander@kde.org>
  * SPDX-FileCopyrightText: 2007 Jan Hambrecht <jaham@gmx.net>
  *
  * SPDX-License-Identifier: LGPL-2.0-or-later
  */
 #include "KoShapeContainer.h"
 #include "KoShapeContainer_p.h"
 #include "KoShapeContainerModel.h"
 #include "KoShapeStrokeModel.h"
 #include "SimpleShapeContainerModel.h"
 #include "KoShapeSavingContext.h"
 
 #include <QPointF>
 #include <QPainter>
 #include <QPainterPath>
 
 #include "kis_painting_tweaks.h"
 #include "kis_assert.h"
 
 KoShapeContainer::Private::Private(KoShapeContainer *q)
     : shapeInterface(q)
     , model(0)
 {
 }
 
 KoShapeContainer::Private::~Private()
 {
     delete model;
 }
 
 KoShapeContainer::Private::Private(const KoShapeContainer::Private &rhs, KoShapeContainer *q)
     : shapeInterface(q)
     , model(0)
 {
     Q_UNUSED(rhs);
 }
 
 KoShapeContainer::KoShapeContainer(KoShapeContainerModel *model)
     : KoShape()
     , d(new Private(this))
 {
     d->model = model;
 }
 
 KoShapeContainer::KoShapeContainer(const KoShapeContainer &rhs)
     : KoShape(rhs)
     , d(new Private(*(rhs.d.data()), this))
 {
 }
 
 KoShapeContainer::~KoShapeContainer()
 {
     if (d->model) {
         d->model->deleteOwnedShapes();
     }
 }
 
 void KoShapeContainer::addShape(KoShape *shape)
 {
     shape->setParent(this);
 }
 
 void KoShapeContainer::removeShape(KoShape *shape)
 {
     shape->setParent(0);
 }
 
 int KoShapeContainer::shapeCount() const
 {
     if (d->model == 0)
         return 0;
     return d->model->count();
 }
 
 void KoShapeContainer::setClipped(const KoShape *child, bool clipping)
 {
     if (d->model == 0)
         return;
     d->model->setClipped(child, clipping);
 }
 
 void KoShapeContainer::setInheritsTransform(const KoShape *shape, bool inherit)
 {
     if (d->model == 0)
         return;
     d->model->setInheritsTransform(shape, inherit);
 }
 
 bool KoShapeContainer::inheritsTransform(const KoShape *shape) const
 {
     if (d->model == 0)
         return false;
     return d->model->inheritsTransform(shape);
 }
 
 void KoShapeContainer::paint(QPainter &painter) const
 {
     // Shape container paints only its internal component part. All the children are rendered
     // by the shape manager itself
 
     painter.save();
     paintComponent(painter);
     painter.restore();
 }
 
 void KoShapeContainer::shapeChanged(ChangeType type, KoShape* shape)
 {
     Q_UNUSED(shape);
     if (d->model == 0)
         return;
     if (!(type == RotationChanged || type == ScaleChanged || type == ShearChanged
           || type == SizeChanged || type == PositionChanged || type == GenericMatrixChange))
         return;
     d->model->containerChanged(this, type);
     Q_FOREACH (KoShape *shape, d->model->shapes())
         shape->notifyChanged();
 }
 
 bool KoShapeContainer::isClipped(const KoShape *child) const
 {
     if (d->model == 0) // throw exception??
         return false;
     return d->model->isClipped(child);
 }
 
 void KoShapeContainer::update() const
 {
     KoShape::update();
     if (d->model) {
         Q_FOREACH (KoShape *shape, d->model->shapes()) {
             shape->update();
         }
     }
 }
 
 QList<KoShape*> KoShapeContainer::shapes() const
 {
     if (d->model == 0)
         return QList<KoShape*>();
 
     return d->model->shapes();
 }
 
 KoShapeContainerModel *KoShapeContainer::model() const
 {
     return d->model;
 }
 
 void KoShapeContainer::setModel(KoShapeContainerModel *model)
 {
     d->model = model;
 }
 
 void KoShapeContainer::setModelInit(KoShapeContainerModel *model)
 {
     setModel(model);
     // HACK ALERT: the shapes are copied inside the model,
     //             but we still need to connect the to the
     //             hierarchy here!
     if (d->model) {
         Q_FOREACH (KoShape *shape, d->model->shapes()) {
             if (shape) { // Note: shape can be 0 because not all shapes
                 //       implement cloneShape, e.g. the text shape.
                 shape->setParent(this);
             }
         }
     }
 }
 
 KoShapeContainer::ShapeInterface *KoShapeContainer::shapeInterface()
 {
     return &d->shapeInterface;
 }
 
 KoShapeContainer::ShapeInterface::ShapeInterface(KoShapeContainer *_q)
     : q(_q)
 {
 }
 
 void KoShapeContainer::ShapeInterface::addShape(KoShape *shape)
 {
     KoShapeContainer::Private * const d = q->d.data();
 
     KIS_SAFE_ASSERT_RECOVER_RETURN(shape);
 
     if (shape->parent() == q && q->shapes().contains(shape)) {
         return;
     }
 
     // TODO add a method to create a default model depending on the shape container
     if (!d->model) {
         d->model = new SimpleShapeContainerModel();
     }
 
     if (shape->parent() && shape->parent() != q) {
         shape->parent()->shapeInterface()->removeShape(shape);
     }
 
     d->model->add(shape);
     d->model->shapeHasBeenAddedToHierarchy(shape, q);
 }
 
 void KoShapeContainer::ShapeInterface::removeShape(KoShape *shape)
 {
     KoShapeContainer::Private * const d = q->d.data();
 
     KIS_SAFE_ASSERT_RECOVER_RETURN(shape);
     KIS_SAFE_ASSERT_RECOVER_RETURN(d->model);
     KIS_SAFE_ASSERT_RECOVER_RETURN(d->model->shapes().contains(shape));
 
     d->model->shapeToBeRemovedFromHierarchy(shape, q);
     d->model->remove(shape);
 
     KoShapeContainer *grandparent = q->parent();
     if (grandparent) {
         grandparent->model()->childChanged(q, KoShape::ChildChanged);
     }
 }