KazukyAkayashi/m3_lightmeter
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expose exposure and zoom ranges

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Vadim 2025-07-07 12:15:42 +02:00
parent 0632b19977
commit 37642f73af
1 changed files with 7 additions and 5 deletions
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12
lib/screens/metering/components/camera_container/bloc_container_camera.dart
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@ -30,11 +30,11 @@ class CameraContainerBloc extends EvSourceBlocBase<CameraContainerEvent, CameraC
CameraDescription? _camera; CameraDescription? _camera;
CameraController? _cameraController; CameraController? _cameraController;
static const _maxZoom = 7.0; static const zoomMaxRange = RangeValues(1, 7);
RangeValues? _zoomRange; RangeValues? _zoomRange;
double _currentZoom = 1.0; double _currentZoom = 1.0;
static const _exposureMaxRange = RangeValues(-4, 4); static const exposureMaxRange = RangeValues(-4, 4);
RangeValues? _exposureOffsetRange; RangeValues? _exposureOffsetRange;
double _exposureStep = 0.1; double _exposureStep = 0.1;
double _currentExposureOffset = 0.0; double _currentExposureOffset = 0.0;
@ -90,8 +90,10 @@ class CameraContainerBloc extends EvSourceBlocBase<CameraContainerEvent, CameraC
case final communication_states.EquipmentProfileChangedState communicationState: case final communication_states.EquipmentProfileChangedState communicationState:
if (state is CameraActiveState) { if (state is CameraActiveState) {
add(ZoomChangedEvent(communicationState.profile.lensZoom)); add(ZoomChangedEvent(communicationState.profile.lensZoom));
add(ExposureOffsetChangedEvent(communicationState.profile.exposureOffset));
} else { } else {
_currentZoom = communicationState.profile.lensZoom; _currentZoom = communicationState.profile.lensZoom;
_currentExposureOffset = communicationState.profile.exposureOffset;
} }
case communication_states.SettingsOpenedState(): case communication_states.SettingsOpenedState():
_settingsOpened = true; _settingsOpened = true;
@ -153,8 +155,8 @@ class CameraContainerBloc extends EvSourceBlocBase<CameraContainerEvent, CameraC
cameraController.getExposureOffsetStepSize(), cameraController.getExposureOffsetStepSize(),
]).then((value) { ]).then((value) {
_exposureOffsetRange = RangeValues( _exposureOffsetRange = RangeValues(
math.max(_exposureMaxRange.start, value[0]), math.max(exposureMaxRange.start, value[0]),
math.min(_exposureMaxRange.end, value[1]), math.min(exposureMaxRange.end, value[1]),
); );
_currentExposureOffset = 0.0; _currentExposureOffset = 0.0;
_exposureStep = value[2] == 0 ? 0.1 : value[2]; _exposureStep = value[2] == 0 ? 0.1 : value[2];
@ -168,7 +170,7 @@ class CameraContainerBloc extends EvSourceBlocBase<CameraContainerEvent, CameraC
]).then((value) { ]).then((value) {
_zoomRange = RangeValues( _zoomRange = RangeValues(
math.max(1.0, value[0]), math.max(1.0, value[0]),
math.min(_maxZoom, value[1]), math.min(zoomMaxRange.end, value[1]),
); );
if (_currentZoom < _zoomRange!.start || _currentZoom > _zoomRange!.end) { if (_currentZoom < _zoomRange!.start || _currentZoom > _zoomRange!.end) {
_currentZoom = _zoomRange!.start; _currentZoom = _zoomRange!.start;