1 /*  This file is part of the KDE project.

     2 

     3 Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 

     5 This library is free software: you can redistribute it and/or modify

     6 it under the terms of the GNU Lesser General Public License as published by

     7 the Free Software Foundation, either version 2.1 or 3 of the License.

     8 

     9 This library is distributed in the hope that it will be useful,

    10 but WITHOUT ANY WARRANTY; without even the implied warranty of

    11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12 GNU Lesser General Public License for more details.

    13 

    14 You should have received a copy of the GNU Lesser General Public License

    15 along with this library.  If not, see <http://www.gnu.org/licenses/>.

    16 */

    17 #ifndef PHONON_ABSTRACTVIDEORENDERER_H

    18 #define PHONON_ABSTRACTVIDEORENDERER_H

    19 

    20 #include "backendnode.h"

    21 

    22 #include <phonon/videowidget.h>

    23 

    24 QT_BEGIN_NAMESPACE

    25 

    26 class QImage;

    27 

    28 #ifndef QT_NO_PHONON_VIDEO

    29 

    30 namespace Phonon

    31 {

    32     namespace DS9

    33     {

    34         //this is the interface used by the videorenderer from the VideoWidget class

    35         class AbstractVideoRenderer

    36         {

    37         public:

    38             virtual ~AbstractVideoRenderer();

    39 

    40             virtual void repaintCurrentFrame(QWidget *target, const QRect &rect) = 0;

    41             virtual void notifyResize(const QSize&, Phonon::VideoWidget::AspectRatio, Phonon::VideoWidget::ScaleMode) = 0;

    42             virtual void applyMixerSettings(qreal brightness, qreal contrast, qreal m_hue, qreal saturation) = 0;

    43             

    44             void setActive(bool);

    45             bool isActive() const;

    46             

    47             virtual bool isNative() const = 0;

    48             virtual QImage snapshot() const = 0;

    49 

    50             Filter getFilter() const;

    51             QSize sizeHint() const;

    52 

    53         protected:

    54             virtual QSize videoSize() const = 0;

    55 

    56             AbstractVideoRenderer();

    57             void internalNotifyResize(const QSize &size, const QSize &videoSize, 

    58                 Phonon::VideoWidget::AspectRatio aspectRatio, Phonon::VideoWidget::ScaleMode scaleMode);

    59 

    60 

    61             Filter m_filter;

    62             int m_dstX, m_dstY, m_dstWidth, m_dstHeight;

    63             bool m_active;

    64         };

    65     }

    66 }

    67 

    68 #endif //QT_NO_PHONON_VIDEO

    69 

    70 

    71 QT_END_NAMESPACE

    72 

    73 #endif