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39
40#ifndef QDECLARATIVECAMERACAPTURE_H
41#define QDECLARATIVECAMERACAPTURE_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists for the convenience
48// of other Qt classes. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <qcamera.h>
55#include <qcameraimagecapture.h>
56#include <qmediaencodersettings.h>
57
58#include <QtQml/qqml.h>
59
60QT_BEGIN_NAMESPACE
61
62class QDeclarativeCamera;
63class QMetaDataWriterControl;
64
65class QDeclarativeCameraCapture : public QObject
66{
67 Q_OBJECT
68 Q_PROPERTY(bool ready READ isReadyForCapture NOTIFY readyForCaptureChanged)
69 Q_PROPERTY(QString capturedImagePath READ capturedImagePath NOTIFY imageSaved)
70 Q_PROPERTY(QSize resolution READ resolution WRITE setResolution NOTIFY resolutionChanged)
71 Q_PROPERTY(QString errorString READ errorString NOTIFY captureFailed)
72 Q_PROPERTY(QVariantList supportedResolutions READ supportedResolutions NOTIFY supportedResolutionsChanged REVISION 1)
73
74public:
75 ~QDeclarativeCameraCapture();
76
77 bool isReadyForCapture() const;
78
79 QSize resolution();
80
81 QString capturedImagePath() const;
82 QCameraImageCapture::Error error() const;
83 QString errorString() const;
84 QVariantList supportedResolutions();
85
86public Q_SLOTS:
87 int capture();
88 int captureToLocation(const QString &location);
89 void cancelCapture();
90
91 void setResolution(const QSize &resolution);
92 void setMetadata(const QString &key, const QVariant &value);
93
94Q_SIGNALS:
95 void readyForCaptureChanged(bool);
96
97 void imageExposed(int requestId);
98 void imageCaptured(int requestId, const QString &preview);
99 void imageMetadataAvailable(int requestId, const QString &key, const QVariant &value);
100 void imageSaved(int requestId, const QString &path);
101 void captureFailed(int requestId, const QString &message);
102
103 void resolutionChanged(const QSize &);
104 void supportedResolutionsChanged();
105
106private slots:
107 void _q_imageCaptured(int, const QImage&);
108 void _q_imageSaved(int, const QString&);
109 void _q_imageMetadataAvailable(int, const QString &, const QVariant &);
110 void _q_captureFailed(int, QCameraImageCapture::Error, const QString&);
111 void _q_cameraStatusChanged(QCamera::Status status);
112
113private:
114 friend class QDeclarativeCamera;
115 QDeclarativeCameraCapture(QCamera *camera, QObject *parent = 0);
116
117 QCamera *m_camera;
118 QCameraImageCapture *m_capture;
119 QImageEncoderSettings m_imageSettings;
120 QString m_capturedImagePath;
121 QMetaDataWriterControl *m_metadataWriterControl;
122};
123
124QT_END_NAMESPACE
125
126QML_DECLARE_TYPE(QT_PREPEND_NAMESPACE(QDeclarativeCameraCapture))
127
128#endif
129

source code of qtmultimedia/src/imports/multimedia/qdeclarativecameracapture_p.h