qscreentransformed_qws.h

Go to the documentation of this file.

/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QSCREENTRANSFORMED_QWS_H
#define QSCREENTRANSFORMED_QWS_H

#include <QtGui/qscreenproxy_qws.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

#ifndef QT_NO_QWS_TRANSFORMED

class QTransformedScreenPrivate;

class Q_AUTOTEST_EXPORT QTransformedScreen : public QProxyScreen
{
public:
    explicit QTransformedScreen(int display_id);
    ~QTransformedScreen();

    enum Transformation { None, Rot90, Rot180, Rot270 };

    void setTransformation(Transformation t);
    Transformation transformation() const;
    int transformOrientation() const;

    QSize mapToDevice(const QSize &s) const;
    QSize mapFromDevice(const QSize &s) const;

    QPoint mapToDevice(const QPoint &, const QSize &) const;
    QPoint mapFromDevice(const QPoint &, const QSize &) const;

    QRect mapToDevice(const QRect &, const QSize &) const;
    QRect mapFromDevice(const QRect &, const QSize &) const;

    QRegion mapToDevice(const QRegion &, const QSize &) const;
    QRegion mapFromDevice(const QRegion &, const QSize &) const;

    bool connect(const QString &displaySpec);

    bool isTransformed() const { return transformation() != None; }

    void exposeRegion(QRegion region, int changing);
    void blit(const QImage &img, const QPoint &topLeft, const QRegion &region);
    void solidFill(const QColor &color, const QRegion &region);
    void setDirty(const QRect&);

    QRegion region() const;

private:
    friend class QTransformedScreenPrivate;
    QTransformedScreenPrivate *d_ptr;
};

#endif // QT_NO_QWS_TRANSFORMED

QT_END_NAMESPACE

QT_END_HEADER

#endif // QSCREENTRANSFORMED_QWS_H