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39
40#ifndef QCAMERAEXPOSURECONTROL_H
41#define QCAMERAEXPOSURECONTROL_H
42
43#include <QtMultimedia/qmediacontrol.h>
44#include <QtMultimedia/qmediaobject.h>
45
46#include <QtMultimedia/qcameraexposure.h>
47#include <QtMultimedia/qcamera.h>
48#include <QtMultimedia/qmediaenumdebug.h>
49
50QT_BEGIN_NAMESPACE
51
52// Required for QDoc workaround
53class QString;
54
55class Q_MULTIMEDIA_EXPORT QCameraExposureControl : public QMediaControl
56{
57 Q_OBJECT
58 Q_ENUMS(ExposureParameter)
59
60public:
61 ~QCameraExposureControl();
62
63 enum ExposureParameter {
64 ISO,
65 Aperture,
66 ShutterSpeed,
67 ExposureCompensation,
68 FlashPower,
69 FlashCompensation,
70 TorchPower,
71 SpotMeteringPoint,
72 ExposureMode,
73 MeteringMode,
74 ExtendedExposureParameter = 1000
75 };
76
77 virtual bool isParameterSupported(ExposureParameter parameter) const = 0;
78 virtual QVariantList supportedParameterRange(ExposureParameter parameter, bool *continuous) const = 0;
79
80 virtual QVariant requestedValue(ExposureParameter parameter) const = 0;
81 virtual QVariant actualValue(ExposureParameter parameter) const = 0;
82 virtual bool setValue(ExposureParameter parameter, const QVariant& value) = 0;
83
84Q_SIGNALS:
85 void requestedValueChanged(int parameter);
86 void actualValueChanged(int parameter);
87 void parameterRangeChanged(int parameter);
88
89protected:
90 explicit QCameraExposureControl(QObject *parent = nullptr);
91};
92
93#define QCameraExposureControl_iid "org.qt-project.qt.cameraexposurecontrol/5.0"
94Q_MEDIA_DECLARE_CONTROL(QCameraExposureControl, QCameraExposureControl_iid)
95
96QT_END_NAMESPACE
97
98Q_DECLARE_METATYPE(QCameraExposureControl::ExposureParameter)
99
100Q_MEDIA_ENUM_DEBUG(QCameraExposureControl, ExposureParameter)
101
102
103#endif // QCAMERAEXPOSURECONTROL_H
104
105