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e6d73977c1
This avoid to parse the same element definition each time user drop the same element in the diagram. Only the first element build the picture, all other get the created picture which is shared. 2- For use the "implicite shared" QPicture and QPixmap of element, now this isn't the element who build her picture, but a dedicated class who made only this job : build the QPicture and QPixmap of elements. 3- With the two previous novelty, the class CustomElement and GhostElement are became useless, and so was removed. Some few member function of CustomElement was moved to Element. git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@5492 bfdf4180-ca20-0410-9c96-a3a8aa849046
112 lines
3.3 KiB
C++
112 lines
3.3 KiB
C++
/*
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Copyright 2006-2018 The QElectroTech Team
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This file is part of QElectroTech.
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QElectroTech is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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QElectroTech is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ELEMENTPICTUREFACTORY_H
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#define ELEMENTPICTUREFACTORY_H
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#include <QMutex>
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#include <QSharedPointer>
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#include <QHash>
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class ElementsLocation;
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class QPicture;
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class QUuid;
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class QDomElement;
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class QPainter;
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/**
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* @brief The ElementPictureFactory class
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* This class is singleton factory, use
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* to create and get the picture use by elements
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*/
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class ElementPictureFactory
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{
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public :
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struct primitives
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{
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QList<QLineF> m_lines;
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QList<QRectF> m_rectangles;
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QList<QRectF> m_circles;
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QList<QVector<QPointF>> m_polygons;
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QList<QVector<qreal>> m_arcs;
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};
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/**
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* @brief instance
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* @return The instance of the factory
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*/
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static ElementPictureFactory* instance()
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{
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static QMutex mutex;
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if (!m_factory)
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{
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mutex.lock();
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if (!m_factory) {
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m_factory = new ElementPictureFactory();
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}
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mutex.unlock();
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}
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return m_factory;
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}
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/**
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* @brief dropInstance
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* Drop the instance of factory
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*/
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static void dropInstance()
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{
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static QMutex mutex;
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if (m_factory)
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{
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mutex.lock();
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delete m_factory;
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m_factory = nullptr;
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mutex.unlock();
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}
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}
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void getPictures(const ElementsLocation &location, QPicture &picture, QPicture &low_picture);
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QPixmap pixmap(const ElementsLocation &location);
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ElementPictureFactory::primitives getPrimitives(const ElementsLocation &location);
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private:
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ElementPictureFactory() {}
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ElementPictureFactory (const ElementPictureFactory &);
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ElementPictureFactory operator= (const ElementPictureFactory &);
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~ElementPictureFactory() {}
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bool build(const ElementsLocation &location);
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void parseElement(const QDomElement &dom, QPainter &painter, primitives &prim) const;
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void parseLine (const QDomElement &dom, QPainter &painter, primitives &prim) const;
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void parseRect (const QDomElement &dom, QPainter &painter, primitives &prim) const;
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void parseEllipse(const QDomElement &dom, QPainter &painter, primitives &prim) const;
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void parseCircle (const QDomElement &dom, QPainter &painter, primitives &prim) const;
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void parseArc (const QDomElement &dom, QPainter &painter, primitives &prim) const;
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void parsePolygon(const QDomElement &dom, QPainter &painter, primitives &prim) const;
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void parseText (const QDomElement &dom, QPainter &painter, primitives &prim) const;
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void setPainterStyle(const QDomElement &dom, QPainter &painter) const;
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QHash<QUuid, QPicture> m_pictures_H;
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QHash<QUuid, QPicture> m_low_pictures_H;
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QHash<QUuid, QPixmap> m_pixmap_H;
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QHash<QUuid, primitives> m_primitives_H;
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static ElementPictureFactory* m_factory;
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};
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#endif // ELEMENTPICTUREFACTORY_H
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