camerauis/cameraxui/cxengine/inc/cxesnapshotcontrolprivate.h
changeset 38 0f0b4c1d7744
child 37 64817133cd1d
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28:3075d9b614e6 38:0f0b4c1d7744
       
     1 /*
       
     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:
       
    15 *
       
    16 */
       
    17 
       
    18 #ifndef CXESNAPSHOTCONTROLPRIVATE_H
       
    19 #define CXESNAPSHOTCONTROLPRIVATE_H
       
    20 
       
    21 
       
    22 #include <QObject>
       
    23 #include "cxeerror.h"
       
    24 #include "cxestatemachine.h"
       
    25 
       
    26 class QPixmap;
       
    27 class CxeSnapshotControl;
       
    28 class CxeCameraDevice;
       
    29 
       
    30 
       
    31 /*!
       
    32 * Snapshot control private implementation.
       
    33 */
       
    34 class CxeSnapshotControlPrivate : public CxeStateMachine
       
    35 {
       
    36 private:
       
    37     CxeSnapshotControlPrivate(CxeSnapshotControl *parent, CxeCameraDevice &device);
       
    38     virtual ~CxeSnapshotControlPrivate();
       
    39 
       
    40 protected: // from CxeStateMachine
       
    41     void handleStateChanged(int newStateId, CxeError::Id error);
       
    42 
       
    43 private:
       
    44     CxeSnapshotControl::State state() const;
       
    45     void initializeStates();
       
    46     QSize calculateSnapshotSize(const QSize &displaySize, const QSize &outputResolution) const;
       
    47     void start(const QSize &size);
       
    48     void stop();
       
    49     void handleCameraEvent(int id, int error);
       
    50     QPixmap snapshot();
       
    51 
       
    52 private:
       
    53     CxeSnapshotControl *q;
       
    54     CxeCameraDevice &mDevice;
       
    55 
       
    56     friend class CxeSnapshotControl;
       
    57 };
       
    58 
       
    59 #endif // CXESNAPSHOTCONTROLPRIVATE_H