1 | // Copyright (C) 2016 The Qt Company Ltd. |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #ifndef QCAMERA_H |
5 | #define QCAMERA_H |
6 | |
7 | #include <QtCore/qstringlist.h> |
8 | #include <QtCore/qpair.h> |
9 | #include <QtCore/qsize.h> |
10 | #include <QtCore/qpoint.h> |
11 | #include <QtCore/qrect.h> |
12 | |
13 | #include <QtCore/qobject.h> |
14 | |
15 | #include <QtMultimedia/qcameradevice.h> |
16 | |
17 | QT_BEGIN_NAMESPACE |
18 | |
19 | |
20 | class QCameraDevice; |
21 | class QPlatformMediaCaptureSession; |
22 | class QMediaCaptureSession; |
23 | |
24 | class QCameraPrivate; |
25 | class Q_MULTIMEDIA_EXPORT QCamera : public QObject |
26 | { |
27 | Q_OBJECT |
28 | Q_PROPERTY(bool active READ isActive WRITE setActive NOTIFY activeChanged) |
29 | // Qt 7: rename to device |
30 | Q_PROPERTY(QCameraDevice cameraDevice READ cameraDevice WRITE setCameraDevice NOTIFY cameraDeviceChanged) |
31 | Q_PROPERTY(Error error READ error NOTIFY errorChanged) |
32 | Q_PROPERTY(QString errorString READ errorString NOTIFY errorChanged) |
33 | Q_PROPERTY(QCameraFormat cameraFormat READ cameraFormat WRITE setCameraFormat NOTIFY cameraFormatChanged) |
34 | |
35 | Q_PROPERTY(FocusMode focusMode READ focusMode WRITE setFocusMode NOTIFY focusModeChanged) |
36 | Q_PROPERTY(QPointF focusPoint READ focusPoint NOTIFY focusPointChanged) |
37 | Q_PROPERTY(QPointF customFocusPoint READ customFocusPoint WRITE setCustomFocusPoint NOTIFY customFocusPointChanged) |
38 | Q_PROPERTY(float focusDistance READ focusDistance WRITE setFocusDistance NOTIFY focusDistanceChanged) |
39 | |
40 | Q_PROPERTY(float minimumZoomFactor READ minimumZoomFactor NOTIFY minimumZoomFactorChanged) |
41 | Q_PROPERTY(float maximumZoomFactor READ maximumZoomFactor NOTIFY maximumZoomFactorChanged) |
42 | Q_PROPERTY(float zoomFactor READ zoomFactor WRITE setZoomFactor NOTIFY zoomFactorChanged) |
43 | Q_PROPERTY(float exposureTime READ exposureTime NOTIFY exposureTimeChanged) |
44 | Q_PROPERTY(float manualExposureTime READ manualExposureTime WRITE setManualExposureTime NOTIFY manualExposureTimeChanged) |
45 | Q_PROPERTY(int isoSensitivity READ isoSensitivity NOTIFY isoSensitivityChanged) |
46 | Q_PROPERTY(int manualIsoSensitivity READ manualIsoSensitivity WRITE setManualIsoSensitivity NOTIFY manualIsoSensitivityChanged) |
47 | Q_PROPERTY(float exposureCompensation READ exposureCompensation WRITE setExposureCompensation NOTIFY exposureCompensationChanged) |
48 | Q_PROPERTY(QCamera::ExposureMode exposureMode READ exposureMode WRITE setExposureMode NOTIFY exposureModeChanged) |
49 | Q_PROPERTY(bool flashReady READ isFlashReady NOTIFY flashReady) |
50 | Q_PROPERTY(QCamera::FlashMode flashMode READ flashMode WRITE setFlashMode NOTIFY flashModeChanged) |
51 | Q_PROPERTY(QCamera::TorchMode torchMode READ torchMode WRITE setTorchMode NOTIFY torchModeChanged) |
52 | |
53 | Q_PROPERTY(WhiteBalanceMode whiteBalanceMode READ whiteBalanceMode WRITE setWhiteBalanceMode NOTIFY whiteBalanceModeChanged) |
54 | Q_PROPERTY(int colorTemperature READ colorTemperature WRITE setColorTemperature NOTIFY colorTemperatureChanged) |
55 | Q_PROPERTY(Features supportedFeatures READ supportedFeatures NOTIFY supportedFeaturesChanged) |
56 | |
57 | public: |
58 | enum Error |
59 | { |
60 | NoError, |
61 | CameraError |
62 | }; |
63 | Q_ENUM(Error) |
64 | |
65 | enum FocusMode { |
66 | FocusModeAuto, |
67 | FocusModeAutoNear, |
68 | FocusModeAutoFar, |
69 | FocusModeHyperfocal, |
70 | FocusModeInfinity, |
71 | FocusModeManual |
72 | }; |
73 | Q_ENUM(FocusMode) |
74 | |
75 | enum FlashMode { |
76 | FlashOff, |
77 | FlashOn, |
78 | FlashAuto |
79 | }; |
80 | Q_ENUM(FlashMode) |
81 | |
82 | enum TorchMode { |
83 | TorchOff, |
84 | TorchOn, |
85 | TorchAuto |
86 | }; |
87 | Q_ENUM(TorchMode) |
88 | |
89 | enum ExposureMode { |
90 | ExposureAuto, |
91 | ExposureManual, |
92 | ExposurePortrait, |
93 | ExposureNight, |
94 | ExposureSports, |
95 | ExposureSnow, |
96 | ExposureBeach, |
97 | ExposureAction, |
98 | ExposureLandscape, |
99 | ExposureNightPortrait, |
100 | ExposureTheatre, |
101 | ExposureSunset, |
102 | ExposureSteadyPhoto, |
103 | ExposureFireworks, |
104 | ExposureParty, |
105 | ExposureCandlelight, |
106 | ExposureBarcode |
107 | }; |
108 | Q_ENUM(ExposureMode) |
109 | |
110 | enum WhiteBalanceMode { |
111 | WhiteBalanceAuto = 0, |
112 | WhiteBalanceManual = 1, |
113 | WhiteBalanceSunlight = 2, |
114 | WhiteBalanceCloudy = 3, |
115 | WhiteBalanceShade = 4, |
116 | WhiteBalanceTungsten = 5, |
117 | WhiteBalanceFluorescent = 6, |
118 | WhiteBalanceFlash = 7, |
119 | WhiteBalanceSunset = 8 |
120 | }; |
121 | Q_ENUM(WhiteBalanceMode) |
122 | |
123 | enum class Feature { |
124 | ColorTemperature = 0x1, |
125 | ExposureCompensation = 0x2, |
126 | IsoSensitivity = 0x4, |
127 | ManualExposureTime = 0x8, |
128 | CustomFocusPoint = 0x10, |
129 | FocusDistance = 0x20 |
130 | }; |
131 | Q_DECLARE_FLAGS(Features, Feature) |
132 | Q_FLAG(Features) |
133 | |
134 | explicit QCamera(QObject *parent = nullptr); |
135 | explicit QCamera(const QCameraDevice& cameraDevice, QObject *parent = nullptr); |
136 | explicit QCamera(QCameraDevice::Position position, QObject *parent = nullptr); |
137 | ~QCamera(); |
138 | |
139 | bool isAvailable() const; |
140 | bool isActive() const; |
141 | |
142 | QMediaCaptureSession *captureSession() const; |
143 | |
144 | QCameraDevice cameraDevice() const; |
145 | void setCameraDevice(const QCameraDevice &cameraDevice); |
146 | |
147 | QCameraFormat cameraFormat() const; |
148 | void setCameraFormat(const QCameraFormat &format); |
149 | |
150 | Error error() const; |
151 | QString errorString() const; |
152 | |
153 | Features supportedFeatures() const; |
154 | |
155 | FocusMode focusMode() const; |
156 | void setFocusMode(FocusMode mode); |
157 | Q_INVOKABLE bool isFocusModeSupported(FocusMode mode) const; |
158 | |
159 | QPointF focusPoint() const; |
160 | |
161 | QPointF customFocusPoint() const; |
162 | void setCustomFocusPoint(const QPointF &point); |
163 | |
164 | void setFocusDistance(float d); |
165 | float focusDistance() const; |
166 | |
167 | float minimumZoomFactor() const; |
168 | float maximumZoomFactor() const; |
169 | float zoomFactor() const; |
170 | void setZoomFactor(float factor); |
171 | |
172 | FlashMode flashMode() const; |
173 | Q_INVOKABLE bool isFlashModeSupported(FlashMode mode) const; |
174 | Q_INVOKABLE bool isFlashReady() const; |
175 | |
176 | TorchMode torchMode() const; |
177 | Q_INVOKABLE bool isTorchModeSupported(TorchMode mode) const; |
178 | |
179 | ExposureMode exposureMode() const; |
180 | Q_INVOKABLE bool isExposureModeSupported(ExposureMode mode) const; |
181 | |
182 | float exposureCompensation() const; |
183 | |
184 | int isoSensitivity() const; |
185 | int manualIsoSensitivity() const; |
186 | |
187 | float exposureTime() const; |
188 | float manualExposureTime() const; |
189 | |
190 | int minimumIsoSensitivity() const; |
191 | int maximumIsoSensitivity() const; |
192 | |
193 | float minimumExposureTime() const; |
194 | float maximumExposureTime() const; |
195 | |
196 | WhiteBalanceMode whiteBalanceMode() const; |
197 | Q_INVOKABLE bool isWhiteBalanceModeSupported(WhiteBalanceMode mode) const; |
198 | |
199 | int colorTemperature() const; |
200 | |
201 | public Q_SLOTS: |
202 | void setActive(bool active); |
203 | void start() { setActive(true); } |
204 | void stop() { setActive(false); } |
205 | |
206 | void zoomTo(float zoom, float rate); |
207 | |
208 | void setFlashMode(FlashMode mode); |
209 | void setTorchMode(TorchMode mode); |
210 | void setExposureMode(ExposureMode mode); |
211 | |
212 | void setExposureCompensation(float ev); |
213 | |
214 | void setManualIsoSensitivity(int iso); |
215 | void setAutoIsoSensitivity(); |
216 | |
217 | void setManualExposureTime(float seconds); |
218 | void setAutoExposureTime(); |
219 | |
220 | void setWhiteBalanceMode(WhiteBalanceMode mode); |
221 | void setColorTemperature(int colorTemperature); |
222 | |
223 | Q_SIGNALS: |
224 | void activeChanged(bool); |
225 | void errorChanged(); |
226 | void errorOccurred(QCamera::Error error, const QString &errorString); |
227 | void cameraDeviceChanged(); |
228 | void cameraFormatChanged(); |
229 | void supportedFeaturesChanged(); |
230 | |
231 | void focusModeChanged(); |
232 | void zoomFactorChanged(float); |
233 | void minimumZoomFactorChanged(float); |
234 | void maximumZoomFactorChanged(float); |
235 | void focusDistanceChanged(float); |
236 | void focusPointChanged(); |
237 | void customFocusPointChanged(); |
238 | |
239 | void flashReady(bool); |
240 | void flashModeChanged(); |
241 | void torchModeChanged(); |
242 | |
243 | void exposureTimeChanged(float speed); |
244 | void manualExposureTimeChanged(float speed); |
245 | void isoSensitivityChanged(int); |
246 | void manualIsoSensitivityChanged(int); |
247 | void exposureCompensationChanged(float); |
248 | void exposureModeChanged(); |
249 | |
250 | void whiteBalanceModeChanged() QT6_ONLY(const); |
251 | void colorTemperatureChanged() QT6_ONLY(const); |
252 | void brightnessChanged(); |
253 | void contrastChanged(); |
254 | void saturationChanged(); |
255 | void hueChanged(); |
256 | |
257 | private: |
258 | class QPlatformCamera *platformCamera(); |
259 | void setCaptureSession(QMediaCaptureSession *session); |
260 | friend class QMediaCaptureSession; |
261 | Q_DISABLE_COPY(QCamera) |
262 | Q_DECLARE_PRIVATE(QCamera) |
263 | friend class QCameraDevice; |
264 | }; |
265 | |
266 | Q_DECLARE_OPERATORS_FOR_FLAGS(QCamera::Features) |
267 | |
268 | QT_END_NAMESPACE |
269 | |
270 | #endif // QCAMERA_H |
271 | |