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b71d3a4c7d
Diagram editor : shape item Gain a new way to be resized: mirror resizing. Click on the item for switch the resize mode git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4583 bfdf4180-ca20-0410-9c96-a3a8aa849046
63 lines
2.3 KiB
C++
63 lines
2.3 KiB
C++
/*
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Copyright 2006-2016 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 QETGRAPHICSHANDLERUTILITY_H
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#define QETGRAPHICSHANDLERUTILITY_H
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#include <QRectF>
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#include <QLineF>
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#include <QColor>
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class QPainter;
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/**
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* @brief The QetGraphicsHandlerUtility class
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* This class provide some methods to create and use handler for
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* modify graphics shape like line rectangle etc...
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* They also provide some conveniance static method.
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*/
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class QetGraphicsHandlerUtility
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{
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public:
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QetGraphicsHandlerUtility (qreal size = 1);
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void setSize(qreal size) {m_size = size;}
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void drawHandler (QPainter *painter, const QPointF & point);
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void drawHandler(QPainter *painter, const QVector<QPointF> &points);
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QPointF posForHandler(const QPointF &point) const;
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bool pointIsInHandler (const QPointF &point, const QPointF &key_point) const;
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int pointIsHoverHandler (const QPointF &point, const QVector<QPointF> &vector) const;
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QVector<QRectF> handlerRect (const QVector<QPointF> &vector) const;
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void setInnerColor (QColor color);
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void setOuterColor (QColor color);
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private:
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QRectF getRect (const QPointF &point) const;
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qreal m_size;
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qreal m_zoom_factor = 1;
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QColor m_inner_color = Qt::white,
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m_outer_color = Qt::blue;
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public:
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static QVector <QPointF> pointsForRect (const QRectF &rect);
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static QVector <QPointF> pointsForLine (const QLineF &line);
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static QRectF rectForPosAtIndex (const QRectF &old_rect, const QPointF &pos, int index);
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static QRectF mirrorRectForPosAtIndex (const QRectF &old_rect, const QPointF &pos, int index);
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static QLineF lineForPosAtIndex (const QLineF &old_line, const QPointF &pos, int index);
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};
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#endif // QETGRAPHICSHANDLERUTILITY_H
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