UBAbstractDrawRuler.h 2.79 KB
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/*
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 * Copyright (C) 2015-2018 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
 * l'Education Numérique en Afrique (GIP ENA)
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 *
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 * This file is part of OpenBoard.
 *
 * 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
 * the Free Software Foundation, version 3 of the License,
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 * with a specific linking exception for the OpenSSL project's
 * "OpenSSL" library (or with modified versions of it that use the
 * same license as the "OpenSSL" library).
 *
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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 UB_ABSTRACTDRAWRULER_H_
#define UB_ABSTRACTDRAWRULER_H_

#include <QtGui>
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#include <QGraphicsItem>
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#include "frameworks/UBGeometryUtils.h"

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class UBGraphicsScene;
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class QGraphicsSvgItem;
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class UBAbstractDrawRuler : public QObject
{
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    Q_OBJECT
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public:
    UBAbstractDrawRuler();
    ~UBAbstractDrawRuler();
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    void create(QGraphicsItem& item);
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    virtual void StartLine(const QPointF& position, qreal width);
    virtual void DrawLine(const QPointF& position, qreal width);
    virtual void EndLine();
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protected:
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    void paint();
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    virtual UBGraphicsScene* scene() const = 0;
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    virtual void rotateAroundCenter(qreal angle) = 0;
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    virtual QPointF rotationCenter() const = 0;
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    virtual QRectF closeButtonRect() const = 0;
    virtual void paintGraduations(QPainter *painter) = 0;
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    bool mShowButtons;
    QGraphicsSvgItem* mCloseSvgItem;
    qreal mAntiScaleRatio;
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    QPointF startDrawPosition;
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    QCursor moveCursor() const;
    QCursor rotateCursor() const;
    QCursor closeCursor() const;
    QCursor drawRulerLineCursor() const;
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    QColor  drawColor() const;
    QColor  middleFillColor() const;
    QColor  edgeFillColor() const;
    QFont   font() const;
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    static const QColor sLightBackgroundEdgeFillColor;
    static const QColor sLightBackgroundMiddleFillColor;
    static const QColor sLightBackgroundDrawColor;
    static const QColor sDarkBackgroundEdgeFillColor;
    static const QColor sDarkBackgroundMiddleFillColor;
    static const QColor sDarkBackgroundDrawColor;

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    static const int sLeftEdgeMargin;
    static const int sDegreeToQtAngleUnit;
    static const int sRotationRadius;
    static const int sFillTransparency;
    static const int sDrawTransparency;
    static const int sRoundingRadius;
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    qreal sPixelsPerCentimeter;
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};

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#endif