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#ifndef LIGHTMODEL_H
#define LIGHTMODEL_H

#include <QtCore/qobject.h>
#include <QtCore/qscopedpointer.h>
#include <QtGui/qcolor.h>

class LightModelPrivate;

class LightModel : public QObject
{
    Q_OBJECT
    Q_ENUMS(Model)
    Q_ENUMS(ColorControl)
    Q_ENUMS(ViewerPosition)
    Q_PROPERTY(Model model READ model WRITE setModel NOTIFY modelChanged)
    Q_PROPERTY(ColorControl colorControl READ colorControl WRITE setColorControl NOTIFY colorControlChanged)
    Q_PROPERTY(ViewerPosition viewerPosition READ viewerPosition WRITE setViewerPosition NOTIFY viewerPositionChanged)
    Q_PROPERTY(QColor ambientSceneColor READ ambientSceneColor WRITE setAmbientSceneColor NOTIFY ambientSceneColorChanged)
public:
    explicit LightModel(QObject *parent = 0);
    ~LightModel();

    enum Model
    {
        OneSided,
        TwoSided
    };

    enum ColorControl
    {
        SingleColor,
        SeparateSpecularColor
    };

    enum ViewerPosition
    {
        ViewerAtInfinity,
        LocalViewer
    };

    LightModel::Model model() const;
    void setModel(LightModel::Model value);

    LightModel::ColorControl colorControl() const;
    void setColorControl(LightModel::ColorControl value);

    LightModel::ViewerPosition viewerPosition() const;
    void setViewerPosition(LightModel::ViewerPosition value);

    QColor ambientSceneColor() const;
    void setAmbientSceneColor(const QColor& value);

Q_SIGNALS:
    void modelChanged();
    void colorControlChanged();
    void viewerPositionChanged();
    void ambientSceneColorChanged();
    void lightModelChanged();

private:
    QScopedPointer<LightModelPrivate> d_ptr;

    Q_DECLARE_PRIVATE(LightModel)
    Q_DISABLE_COPY(LightModel)
};

#endif