F:/KPlato/koffice/libs/flake/KoViewConverter.h

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/* This file is part of the KDE project
 * Copyright (C) 2006 Thomas Zander <zander@kde.org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifndef KOVIEWCONVERTER_H
#define KOVIEWCONVERTER_H

#include <QPointF>
#include <QRectF>

class KoViewConverter {
public:
    KoViewConverter() {};
    virtual ~KoViewConverter() {};

    virtual QPointF documentToView( const QPointF &documentPoint ) const = 0;

    virtual QPointF viewToDocument( const QPointF &viewPoint ) const = 0;

    virtual QRectF documentToView( const QRectF &documentRect ) const = 0;

    virtual QRectF viewToDocument( const QRectF &viewRect ) const = 0;

    virtual double documentToViewX( double documentX ) const = 0;

    virtual double documentToViewY( double documentY ) const = 0;

    virtual double viewToDocumentX( double viewX ) const = 0;

    virtual double viewToDocumentY( double viewY ) const = 0;

    virtual void zoom(double *zoomX, double *zoomY) const = 0;
};

#endif

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