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133 lines
3.3 KiB
133 lines
3.3 KiB
/*
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* Copyright (C) 2015-2022 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 UBMAGNIFIER_H
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#define UBMAGNIFIER_H
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#include <QtGui>
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#include <QWidget>
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class UBMagnifierParams
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{
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public :
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int x;
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int y;
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qreal zoom;
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qreal sizePercentFromScene;
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};
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class UBMagnifier : public QWidget
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{
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Q_OBJECT
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public:
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enum DrawingMode
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{
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circular = 0,
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rectangular,
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modesCount // should me last.
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};
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public:
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UBMagnifier(QWidget *parent = 0, bool isInteractive = false);
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~UBMagnifier();
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void setSize(qreal percentFromScene);
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void createMask();
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void setZoom(qreal zoom);
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void setGrabView(QWidget *view);
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void setMoveView(QWidget *view) {mView = view;}
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void setDrawingMode(int mode);
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void grabPoint();
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void grabPoint(const QPoint &point);
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void grabNMove(const QPoint &pGrab, const QPoint &pMove, bool needGrab = true, bool needMove = true);
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UBMagnifierParams params;
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signals:
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void magnifierMoved_Signal(QPoint newPos);
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void magnifierClose_Signal();
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void magnifierZoomIn_Signal();
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void magnifierZoomOut_Signal();
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void magnifierResized_Signal(qreal newPercentSize);
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void magnifierDrawingModeChange_Signal(int mode);
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public slots:
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void slot_refresh();
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private:
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void calculateButtonsPositions();
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protected:
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void paintEvent(QPaintEvent *);
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virtual void mousePressEvent ( QMouseEvent * event );
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virtual void mouseMoveEvent ( QMouseEvent * event );
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virtual void mouseReleaseEvent ( QMouseEvent * event );
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QPoint mMousePressPos;
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qreal mMousePressDelta;
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bool mShouldMoveWidget;
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bool mShouldResizeWidget;
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int m_iButtonInterval;
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QPixmap *sClosePixmap;
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QRect sClosePixmapButtonRect;
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QPixmap *sIncreasePixmap;
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QRect sIncreasePixmapButtonRect;
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QPixmap *sDecreasePixmap;
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QRect sDecreasePixmapButtonRect;
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QPixmap *sChangeModePixmap;
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QRect sChangeModePixmapButtonRect;
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QPixmap *mResizeItem;
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QRect mResizeItemButtonRect;
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bool isCusrsorAlreadyStored;
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QCursor mOldCursor;
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QCursor mResizeCursor;
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private:
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DrawingMode mDrawingMode;
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QTimer mRefreshTimer;
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bool m_isInteractive;
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QPoint updPointGrab;
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QPoint updPointMove;
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QPixmap pMap;
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QBitmap bmpMask;
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QPen borderPen;
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QWidget *gView;
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QWidget *mView;
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};
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#endif // UBMAGNIFIER_H
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