Implementation
Drawer getCameraDrawer() {
return Drawer(
child: ListView(
padding: EdgeInsets.zero,
children: <Widget>[
const DrawerHeader(
decoration: BoxDecoration(
color: Colors.blue,
),
child: Text('Camera Settings',
style: TextStyle(color: Colors.white, fontSize: 24),
),
),
ListTile(
title: const Text('Quality'),
subtitle: Slider(
value: qualityIndex.toDouble(),
min: 0,
max: qualityValues.length - 1,
divisions: qualityValues.length - 1,
label: qualityValues[qualityIndex],
onChanged: (value) {
setState(() {
qualityIndex = value.toInt();
});
},
),
),
ListTile(
title: const Text('Resolution'),
subtitle: Slider(
value: resolution.toDouble(),
min: 256,
max: 720,
divisions: (720 - 256) ~/ 16, // even numbers only
label: resolution.toString(),
onChanged: (value) {
setState(() {
resolution = value.toInt();
});
},
),
),
ListTile(
title: const Text('Pan'),
subtitle: Slider(
value: pan.toDouble(),
min: -140,
max: 140,
divisions: 280,
label: pan.toString(),
onChanged: (value) {
setState(() {
pan = value.toInt();
});
},
),
),
SwitchListTile(
title: const Text('Auto Exposure/Gain'),
value: _isAutoExposure,
onChanged: (bool value) async {
setState(() {
_isAutoExposure = value;
});
},
subtitle: Text(_isAutoExposure ? 'Auto' : 'Manual'),
),
if (_isAutoExposure) ...[
// Widgets visible in Auto mode
ListTile(
title: const Text('Metering'),
subtitle: DropdownButton<int>(
value: meteringIndex,
onChanged: (int? newValue) async {
setState(() {
meteringIndex = newValue!;
});
},
items: meteringValues
.map<DropdownMenuItem<int>>((String value) {
return DropdownMenuItem<int>(
value: meteringValues.indexOf(value),
child: Text(value),
);
}).toList(),
),
),
ListTile(
title: const Text('Exposure'),
subtitle: Slider(
value: exposure,
min: 0,
max: 1,
divisions: 20,
label: exposure.toString(),
onChanged: (value) {
setState(() {
exposure = value;
});
},
),
),
ListTile(
title: const Text('Exposure Speed'),
subtitle: Slider(
value: exposureSpeed,
min: 0,
max: 1,
divisions: 20,
label: exposureSpeed.toString(),
onChanged: (value) {
setState(() {
exposureSpeed = value;
});
},
),
),
ListTile(
title: const Text('Shutter Limit'),
subtitle: Slider(
value: shutterLimit.toDouble(),
min: 4,
max: 16383,
divisions: 16,
label: shutterLimit.toStringAsFixed(0),
onChanged: (value) {
setState(() {
shutterLimit = value.toInt();
});
},
),
),
ListTile(
title: const Text('Analog Gain Limit'),
subtitle: Slider(
value: analogGainLimit.toDouble(),
min: 1,
max: 248,
divisions: 16,
label: analogGainLimit.toStringAsFixed(0),
onChanged: (value) {
setState(() {
analogGainLimit = value.toInt();
});
},
),
),
ListTile(
title: const Text('White Balance Speed'),
subtitle: Slider(
value: whiteBalanceSpeed,
min: 0,
max: 1,
divisions: 20,
label: whiteBalanceSpeed.toString(),
onChanged: (value) {
setState(() {
whiteBalanceSpeed = value;
});
},
),
),
ListTile(
title: const Text('RGB Gain Limit'),
subtitle: Slider(
value: rgbGainLimit.toDouble(),
min: 0,
max: 1023,
divisions: 32,
label: rgbGainLimit.toStringAsFixed(0),
onChanged: (value) {
setState(() {
rgbGainLimit = value.toInt();
});
},
),
),
] else ...[
// Widgets visible in Manual mode
ListTile(
title: const Text('Manual Shutter'),
subtitle: Slider(
value: manualShutter.toDouble(),
min: 4,
max: 16383,
divisions: 32,
label: manualShutter.toStringAsFixed(0),
onChanged: (value) {
setState(() {
manualShutter = value.toInt();
});
},
),
),
ListTile(
title: const Text('Manual Analog Gain'),
subtitle: Slider(
value: manualAnalogGain.toDouble(),
min: 1,
max: 248,
divisions: 50,
label: manualAnalogGain.toStringAsFixed(0),
onChanged: (value) {
setState(() {
manualAnalogGain = value.toInt();
});
},
),
),
ListTile(
title: const Text('Red Gain'),
subtitle: Slider(
value: manualRedGain.toDouble(),
min: 0,
max: 1023,
divisions: 50,
label: manualRedGain.toStringAsFixed(0),
onChanged: (value) {
setState(() {
manualRedGain = value.toInt();
});
},
),
),
ListTile(
title: const Text('Green Gain'),
subtitle: Slider(
value: manualGreenGain.toDouble(),
min: 0,
max: 1023,
divisions: 50,
label: manualGreenGain.toStringAsFixed(0),
onChanged: (value) {
setState(() {
manualGreenGain = value.toInt();
});
},
),
),
ListTile(
title: const Text('Blue Gain'),
subtitle: Slider(
value: manualBlueGain.toDouble(),
min: 0,
max: 1023,
divisions: 50,
label: manualBlueGain.toStringAsFixed(0),
onChanged: (value) {
setState(() {
manualBlueGain = value.toInt();
});
},
),
),
],
],
),
);
}
