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130 lines
4.4 KiB
130 lines
4.4 KiB
/* |
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* Copyright (C) 2015-2016 Département de l'Instruction Publique (DIP-SEM) |
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* |
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* Copyright (C) 2013 Open Education Foundation |
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* |
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* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour |
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* l'Education Numérique en Afrique (GIP ENA) |
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* |
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* This file is part of OpenBoard. |
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* |
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* OpenBoard 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, version 3 of the License, |
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* with a specific linking exception for the OpenSSL project's |
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* "OpenSSL" library (or with modified versions of it that use the |
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* same license as the "OpenSSL" library). |
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* |
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* OpenBoard 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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* |
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* You should have received a copy of the GNU General Public License |
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* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#ifndef UBGRAPHICSPROTRACTOR_H_ |
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#define UBGRAPHICSPROTRACTOR_H_ |
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#include <QtWidgets> |
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#include <QtWidgets/QGraphicsItem> |
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#include <QtWidgets/QGraphicsView> |
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#include <QtSvg> |
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#include "core/UB.h" |
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#include "tools/UBAbstractDrawRuler.h" |
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#include "domain/UBItem.h" |
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#include "frameworks/UBGeometryUtils.h" |
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class UBGraphicsScene; |
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class UBGraphicsProtractor : public UBAbstractDrawRuler, public QGraphicsEllipseItem, public UBItem |
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{ |
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Q_OBJECT |
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public: |
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UBGraphicsProtractor (); |
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enum Tool {None, Move, Resize, Rotate, Reset, Close, MoveMarker}; |
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qreal angle () { return mStartAngle; } |
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qreal markerAngle () { return mCurrentAngle; } |
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void setAngle (qreal angle) { mStartAngle = angle; setStartAngle(mStartAngle * 16); } |
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void setMarkerAngle (qreal angle) { mCurrentAngle = angle; } |
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virtual UBItem* deepCopy() const; |
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virtual void copyItemParameters(UBItem *copy) const; |
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enum { Type = UBGraphicsItemType::ProtractorItemType }; |
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virtual int type() const |
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{ |
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return Type; |
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} |
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protected: |
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virtual void paint (QPainter *painter, const QStyleOptionGraphicsItem *styleOption, QWidget *widget); |
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virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value); |
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virtual void mousePressEvent (QGraphicsSceneMouseEvent *event); |
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virtual void mouseMoveEvent (QGraphicsSceneMouseEvent *event); |
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virtual void mouseReleaseEvent (QGraphicsSceneMouseEvent *event); |
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virtual void hoverEnterEvent (QGraphicsSceneHoverEvent *event); |
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virtual void hoverLeaveEvent (QGraphicsSceneHoverEvent *event); |
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virtual void hoverMoveEvent (QGraphicsSceneHoverEvent *event); |
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virtual QPainterPath shape() const; |
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QRectF boundingRect() const; |
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void paintGraduations(QPainter *painter); |
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private: |
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// Helpers |
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void paintButtons (QPainter *painter); |
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void paintAngleMarker (QPainter *painter); |
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Tool toolFromPos (QPointF pos); |
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qreal antiScale () const; |
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UBGraphicsScene* scene() const; |
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QBrush fillBrush() const; |
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QSizeF buttonSizeReference () const{return QSizeF(radius() / 10, mCloseSvgItem->boundingRect().height() * radius()/(10 * mCloseSvgItem->boundingRect().width()));} |
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QSizeF markerSizeReference () const{return QSizeF(radius() / 10, mMarkerSvgItem->boundingRect().height() * radius()/(10 * mMarkerSvgItem->boundingRect().width()));} |
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QRectF resetButtonRect () const; |
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QRectF closeButtonRect () const; |
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QRectF resizeButtonRect () const; |
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QRectF rotateButtonRect () const; |
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QRectF markerButtonRect () const; |
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inline qreal radius () const{return rect().height() / 2 - 20;} |
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// Members |
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QPointF mPreviousMousePos; |
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Tool mCurrentTool; |
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bool mShowButtons; |
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qreal mCurrentAngle; |
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qreal mSpan; |
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qreal mStartAngle; |
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qreal mScaleFactor; |
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QGraphicsSvgItem* mResetSvgItem; |
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QGraphicsSvgItem* mResizeSvgItem; |
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QGraphicsSvgItem* mMarkerSvgItem; |
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QGraphicsSvgItem* mRotateSvgItem; |
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static const QRectF sDefaultRect; |
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virtual void rotateAroundCenter(qreal angle); |
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virtual QPointF rotationCenter() const; |
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int sFillTransparency; |
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int sDrawTransparency; |
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}; |
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#endif /* UBGRAPHICSPROTRACTOR_H_ */
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