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/*
* Copyright (C) 2013 Open Education Foundation
*
* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
* l'Education Numérique en Afrique (GIP ENA)
*
* This file is part of OpenBoard.
*
* OpenBoard is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License,
* 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).
*
* OpenBoard is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef UB_ABSTRACTDRAWRULER_H_
#define UB_ABSTRACTDRAWRULER_H_
#include <QtGui>
#include "frameworks/UBGeometryUtils.h"
class UBGraphicsScene;
class QGraphicsSvgItem;
class UBAbstractDrawRuler : public QObject
{
Q_OBJECT
public:
UBAbstractDrawRuler();
~UBAbstractDrawRuler();
void create(QGraphicsItem& item);
virtual void StartLine(const QPointF& position, qreal width);
virtual void DrawLine(const QPointF& position, qreal width);
virtual void EndLine();
protected:
void paint();
virtual UBGraphicsScene* scene() const = 0;
virtual void rotateAroundCenter(qreal angle) = 0;
virtual QPointF rotationCenter() const = 0;
virtual QRectF closeButtonRect() const = 0;
virtual void paintGraduations(QPainter *painter) = 0;
bool mShowButtons;
QGraphicsSvgItem* mCloseSvgItem;
qreal mAntiScaleRatio;
QPointF startDrawPosition;
QCursor moveCursor() const;
QCursor rotateCursor() const;
QCursor closeCursor() const;
QCursor drawRulerLineCursor() const;
QColor drawColor() const;
QColor middleFillColor() const;
QColor edgeFillColor() const;
QFont font() const;
static const QColor sLightBackgroundEdgeFillColor;
static const QColor sLightBackgroundMiddleFillColor;
static const QColor sLightBackgroundDrawColor;
static const QColor sDarkBackgroundEdgeFillColor;
static const QColor sDarkBackgroundMiddleFillColor;
static const QColor sDarkBackgroundDrawColor;
static const int sLeftEdgeMargin;
static const int sDegreeToQtAngleUnit;
static const int sRotationRadius;
static const int sFillTransparency;
static const int sDrawTransparency;
static const int sRoundingRadius;
int sPixelsPerMillimeter;
};
#endif