KoZoomController.h

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/* This file is part of the KDE project
 * SPDX-FileCopyrightText: 2007 Thomas Zander <[email protected]>
 * SPDX-FileCopyrightText: 2007, 2012 C. Boemann <[email protected]>
 * SPDX-FileCopyrightText: 2007 Jan Hambrecht <[email protected]>
 *
 * SPDX-License-Identifier: LGPL-2.0-or-later
 */
#ifndef KOZOOMCONTROLLER_H
#define KOZOOMCONTROLLER_H
 
#include "KoZoomAction.h"
#include "kritawidgets_export.h"
#include <KoZoomMode.h>
#include <QObject>
#include <QSizeF>
 
class KoCanvasController;
class KoZoomAction;
class KoZoomHandler;
class KActionCollection;
class QSize;
 
 
class KRITAWIDGETS_EXPORT KoZoomController : public QObject {
Q_OBJECT
public:
    KoZoomController(KoCanvasController *controller,
                     KoZoomHandler *zoomHandler,
                     KActionCollection *actionCollection,
                     QObject *parent = 0);
 
    ~KoZoomController() override;
 
    KoZoomAction *zoomAction() const;
 
    void setZoomMode(KoZoomMode::Mode mode);
 
    KoZoomMode::Mode zoomMode() const;
 
    void setZoom(KoZoomMode::Mode mode, qreal zoom, qreal resolutionX, qreal resolutionY, const QPointF &stillPoint);
 
 
    void setZoom(KoZoomMode::Mode mode, qreal zoom, qreal resolutionX, qreal resolutionY);
 
    void setZoom(KoZoomMode::Mode mode, qreal zoom, const QPointF &stillPoint);
 
    void setZoom(KoZoomMode::Mode mode, qreal zoom);
 
 
    void setAspectMode(bool status);
 
public Q_SLOTS:
    void setPageSize(const QSizeF &pageSize);
 
    QSizeF pageSize() const;
 
    void setDocumentSize(const QSizeF &documentSize, bool recalculateCenter = false);
 
    QSizeF documentSize() const;
 
Q_SIGNALS:
    void zoomChanged (KoZoomMode::Mode mode, qreal zoom);
 
    void aspectModeChanged (bool aspectModeActivated);
 
    void zoomedToSelection();
 
    void zoomedToAll();
 
protected:
    virtual QSizeF documentToViewport(const QSizeF &size);
    QSize documentToViewportCeil(const QSizeF &size);
 
private:
    Q_PRIVATE_SLOT(d, void setAvailableSize())
    Q_PRIVATE_SLOT(d, void requestZoomRelative(const qreal, const QPointF&))
    Q_PRIVATE_SLOT(d, void setZoom(KoZoomMode::Mode, qreal))
    Q_DISABLE_COPY( KoZoomController )
 
    class Private;
    Private * const d;
};
 
#endif