KoViewConverter.h

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/* This file is part of the KDE project
 * SPDX-FileCopyrightText: 2006 Thomas Zander <zander@kde.org>
 *
 * SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
#ifndef KOVIEWCONVERTER_H
#define KOVIEWCONVERTER_H
 
#include "kritaflake_export.h"
 
#include <QtGlobal>
 
class KoViewTransformStillPoint;
class QPointF;
class QRectF;
class QSizeF;
class QTransform;
 
class KRITAFLAKE_EXPORT KoViewConverter
{
public:
    KoViewConverter();
    virtual ~KoViewConverter() {}
 
    virtual QPointF documentToView(const QPointF &documentPoint) const;
 
    virtual QPointF viewToDocument(const QPointF &viewPoint) const;
 
    virtual QRectF documentToView(const QRectF &documentRect) const;
 
    virtual QRectF viewToDocument(const QRectF &viewRect) const;
 
    virtual QSizeF documentToView(const QSizeF& documentSize) const;
 
    virtual QSizeF viewToDocument(const QSizeF& viewSize) const;
 
    virtual qreal documentToViewX(qreal documentX) const;
 
    virtual qreal documentToViewY(qreal documentY) const;
 
    virtual qreal viewToDocumentX(qreal viewX) const;
 
    virtual qreal viewToDocumentY(qreal viewY) const;
 
    virtual void zoom(qreal *zoomX, qreal *zoomY) const;
 
    virtual void setZoom(qreal zoom);
 
    qreal zoom() const;
 
    virtual KoViewTransformStillPoint makeWidgetStillPoint(const QPointF &viewPoint) const;
 
    virtual KoViewTransformStillPoint makeDocStillPoint(const QPointF &docPoint) const;
 
    QTransform documentToView() const;
    QTransform viewToDocument() const;
 
    virtual QTransform viewToWidget() const;
    virtual QTransform widgetToView() const;
 
private:
    qreal m_zoomLevel; // 1.0 is 100%
};
 
#endif