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39
40#include "qdeclarativecamera_p.h"
41#include "qdeclarativecameraviewfinder_p.h"
42
43#include <QtMultimedia/qcameraviewfindersettingscontrol.h>
44
45
46QT_BEGIN_NAMESPACE
47
48QDeclarativeCameraViewfinder::QDeclarativeCameraViewfinder(QCamera *camera, QObject *parent)
49 : QObject(parent)
50 , m_camera(camera)
51{
52 connect(sender: m_camera, signal: &QCamera::statusChanged,
53 receiver: this, slot: &QDeclarativeCameraViewfinder::_q_cameraStatusChanged);
54}
55
56QDeclarativeCameraViewfinder::~QDeclarativeCameraViewfinder()
57{
58}
59
60QSize QDeclarativeCameraViewfinder::resolution() const
61{
62 return m_settings.resolution();
63}
64
65void QDeclarativeCameraViewfinder::setResolution(const QSize &res)
66{
67 if (res != m_settings.resolution()) {
68 m_settings = m_camera->viewfinderSettings();
69 m_settings.setResolution(res);
70 m_camera->setViewfinderSettings(m_settings);
71 emit resolutionChanged();
72 }
73}
74
75qreal QDeclarativeCameraViewfinder::minimumFrameRate() const
76{
77 return m_settings.minimumFrameRate();
78}
79
80void QDeclarativeCameraViewfinder::setMinimumFrameRate(qreal frameRate)
81{
82 if (frameRate != minimumFrameRate()) {
83 m_settings = m_camera->viewfinderSettings();
84 m_settings.setMinimumFrameRate(frameRate);
85 m_camera->setViewfinderSettings(m_settings);
86 emit minimumFrameRateChanged();
87 }
88}
89
90qreal QDeclarativeCameraViewfinder::maximumFrameRate() const
91{
92 return m_settings.maximumFrameRate();
93}
94
95void QDeclarativeCameraViewfinder::setMaximumFrameRate(qreal frameRate)
96{
97 if (frameRate != maximumFrameRate()) {
98 m_settings = m_camera->viewfinderSettings();
99 m_settings.setMaximumFrameRate(frameRate);
100 m_camera->setViewfinderSettings(m_settings);
101 emit maximumFrameRateChanged();
102 }
103}
104
105void QDeclarativeCameraViewfinder::_q_cameraStatusChanged(QCamera::Status status)
106{
107 // Settings values might change when the camera starts, for example if the settings are
108 // undefined, if unsupported values were set or if the settings conflict with capture settings.
109 // They might also change on LoadedStatus, for example reverting to values that were set by the
110 // user.
111 if (status == QCamera::ActiveStatus || status == QCamera::LoadedStatus) {
112 QCameraViewfinderSettings oldSettings = m_settings;
113 m_settings = m_camera->viewfinderSettings();
114 if (oldSettings.resolution() != m_settings.resolution())
115 emit resolutionChanged();
116 if (oldSettings.minimumFrameRate() != m_settings.minimumFrameRate())
117 emit minimumFrameRateChanged();
118 if (oldSettings.maximumFrameRate() != m_settings.maximumFrameRate())
119 emit maximumFrameRateChanged();
120 }
121}
122
123QT_END_NAMESPACE
124
125#include "moc_qdeclarativecameraviewfinder_p.cpp"
126

source code of qtmultimedia/src/imports/multimedia/qdeclarativecameraviewfinder.cpp