mirror of
https://github.com/vodemn/m3_lightmeter.git
synced 2024-11-21 15:00:40 +00:00
Fixed & tested exposure pairs list builder
This commit is contained in:
Vadim
parent
9ef7764b58
commit
df81e13a63
4 changed files with 714 additions and 18 deletions
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@ -8,4 +8,16 @@ class ExposurePair {
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@override
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String toString() => '$aperture - $shutterSpeed';
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@override
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bool operator ==(Object other) {
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if (identical(this, other)) return true;
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if (other.runtimeType != runtimeType) return false;
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return other is ExposurePair &&
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other.aperture == aperture &&
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other.shutterSpeed == shutterSpeed;
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}
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@override
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int get hashCode => Object.hash(aperture, shutterSpeed, runtimeType);
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}
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@ -13,6 +13,8 @@ double log10polynomian(
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) =>
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a * pow(log10(x), 2) + b * log10(x) + c;
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typedef ReciprocityFailureBuilder = ShutterSpeedValue Function(ShutterSpeedValue shutterSpeed);
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/// Only Ilford films have reciprocity formulas provided by the manufacturer:
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/// https://www.ilfordphoto.com/wp/wp-content/uploads/2017/06/Reciprocity-Failure-Compensation.pdf
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///
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@ -30,7 +30,7 @@ class MeteringScreen extends StatelessWidget {
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children: [
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Expanded(
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child: BlocBuilder<MeteringBloc, MeteringState>(
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builder: (_, state) => _MeteringContainerBuidler(
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builder: (_, state) => MeteringContainerBuidler(
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ev: state is MeteringDataState ? state.ev : null,
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film: state.film,
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iso: state.iso,
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@ -77,17 +77,18 @@ class _InheritedListeners extends StatelessWidget {
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context.read<MeteringBloc>().add(EquipmentProfileChangedEvent(value));
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},
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child: InheritedModelAspectListener<MeteringScreenLayoutFeature, bool>(
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aspect: MeteringScreenLayoutFeature.equipmentProfiles,
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aspect: MeteringScreenLayoutFeature.filmPicker,
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onDidChangeDependencies: (value) {
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if (!value) {
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EquipmentProfileProvider.of(context).setProfile(context.get<EquipmentProfiles>().first);
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context.read<MeteringBloc>().add(const FilmChangedEvent(Film.other()));
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}
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},
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child: InheritedModelAspectListener<MeteringScreenLayoutFeature, bool>(
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aspect: MeteringScreenLayoutFeature.filmPicker,
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aspect: MeteringScreenLayoutFeature.equipmentProfiles,
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onDidChangeDependencies: (value) {
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if (!value) {
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context.read<MeteringBloc>().add(const FilmChangedEvent(Film.other()));
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EquipmentProfileProvider.of(context)
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.setProfile(context.get<EquipmentProfiles>().first);
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}
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},
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child: child,
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@ -97,7 +98,7 @@ class _InheritedListeners extends StatelessWidget {
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}
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}
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class _MeteringContainerBuidler extends StatelessWidget {
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class MeteringContainerBuidler extends StatelessWidget {
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final double? ev;
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final Film film;
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final IsoValue iso;
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@ -106,7 +107,7 @@ class _MeteringContainerBuidler extends StatelessWidget {
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final ValueChanged<IsoValue> onIsoChanged;
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final ValueChanged<NdValue> onNdChanged;
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const _MeteringContainerBuidler({
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const MeteringContainerBuidler({
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required this.ev,
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required this.film,
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required this.iso,
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@ -118,7 +119,14 @@ class _MeteringContainerBuidler extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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final exposurePairs = ev != null ? buildExposureValues(context, ev!, film) : <ExposurePair>[];
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final exposurePairs = ev != null
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? buildExposureValues(
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ev!,
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context.listen<StopType>(),
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context.listen<EquipmentProfile>(),
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film,
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)
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: <ExposurePair>[];
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final fastest = exposurePairs.isNotEmpty ? exposurePairs.first : null;
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final slowest = exposurePairs.isNotEmpty ? exposurePairs.last : null;
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return context.listen<EvSourceType>() == EvSourceType.camera
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@ -146,28 +154,30 @@ class _MeteringContainerBuidler extends StatelessWidget {
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);
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}
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List<ExposurePair> buildExposureValues(BuildContext context, double ev, Film film) {
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@visibleForTesting
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static List<ExposurePair> buildExposureValues(
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double ev,
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StopType stopType,
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EquipmentProfile equipmentProfile,
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Film film,
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) {
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if (ev.isNaN || ev.isInfinite) {
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return List.empty();
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}
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/// Depending on the `stopType` the exposure pairs list length is multiplied by 1,2 or 3
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final StopType stopType = context.listen<StopType>();
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final int evSteps = (ev * (stopType.index + 1)).round();
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final EquipmentProfile equipmentProfile = context.listen<EquipmentProfile>();
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final List<ApertureValue> apertureValues =
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equipmentProfile.apertureValues.whereStopType(stopType);
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final List<ShutterSpeedValue> shutterSpeedValues =
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equipmentProfile.shutterSpeedValues.whereStopType(stopType);
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final apertureValues = ApertureValue.whereStopType(stopType);
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final shutterSpeedValues = ShutterSpeedValue.whereStopType(stopType);
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/// Basically we use 1" shutter speed as an anchor point for building the exposure pairs list.
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/// But user can exclude this value from the list using custom equipment profile.
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/// So we have to restore the index of the anchor value.
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const ShutterSpeedValue anchorShutterSpeed = ShutterSpeedValue(1, false, StopType.full);
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const anchorShutterSpeed = ShutterSpeedValue(1, false, StopType.full);
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int anchorIndex = shutterSpeedValues.indexOf(anchorShutterSpeed);
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if (anchorIndex < 0) {
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final filteredFullList = ShutterSpeedValue.values.whereStopType(stopType);
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final filteredFullList = ShutterSpeedValue.whereStopType(stopType);
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final customListStartIndex = filteredFullList.indexOf(shutterSpeedValues.first);
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final fullListAnchor = filteredFullList.indexOf(anchorShutterSpeed);
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if (customListStartIndex < fullListAnchor) {
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@ -200,7 +210,8 @@ class _MeteringContainerBuidler extends StatelessWidget {
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if (itemsCount < 0) {
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return List.empty();
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}
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return List.generate(
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final exposurePairs = List.generate(
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itemsCount,
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(index) => ExposurePair(
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apertureValues[index + apertureOffset],
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@ -208,5 +219,30 @@ class _MeteringContainerBuidler extends StatelessWidget {
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),
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growable: false,
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);
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/// Full equipment profile, nothing to cut
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if (equipmentProfile.id == "") {
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return exposurePairs;
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}
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final equipmentApertureValues = equipmentProfile.apertureValues.whereStopType(stopType);
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final equipmentShutterSpeedValues = equipmentProfile.shutterSpeedValues.whereStopType(stopType);
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final startCutEV = max(
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exposurePairs.first.aperture.difference(equipmentApertureValues.first),
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exposurePairs.first.shutterSpeed.difference(equipmentShutterSpeedValues.first),
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);
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final endCutEV = max(
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equipmentApertureValues.last.difference(exposurePairs.last.aperture),
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equipmentShutterSpeedValues.last.difference(exposurePairs.last.shutterSpeed),
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);
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final startCut = (startCutEV * (stopType.index + 1)).round().clamp(0, itemsCount);
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final endCut = (endCutEV * (stopType.index + 1)).round().clamp(0, itemsCount);
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if (startCut > itemsCount - endCut) {
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return const [];
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}
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return exposurePairs.sublist(startCut, itemsCount - endCut);
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}
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}
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646
test/screens/metering/screen_metering_test.dart
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646
test/screens/metering/screen_metering_test.dart
Normal file
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@ -0,0 +1,646 @@
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import 'package:flutter_test/flutter_test.dart';
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import 'package:lightmeter/data/models/exposure_pair.dart';
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import 'package:lightmeter/data/models/film.dart';
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import 'package:lightmeter/screens/metering/screen_metering.dart';
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import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
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void main() {
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const defaultEquipmentProfile = EquipmentProfileData(
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id: "",
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name: 'Default',
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apertureValues: ApertureValue.values,
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ndValues: NdValue.values,
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shutterSpeedValues: ShutterSpeedValue.values,
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isoValues: IsoValue.values,
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);
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group('Empty list', () {
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List<ExposurePair> exposurePairsFull(double ev) => MeteringContainerBuidler.buildExposureValues(
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ev,
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StopType.full,
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defaultEquipmentProfile,
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const Film.other(),
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);
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test('isNan', () {
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expect(exposurePairsFull(double.nan), const []);
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});
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test('isInifinity', () {
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expect(exposurePairsFull(double.infinity), const []);
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});
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});
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group('Default equipment profile', () {
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group("StopType.full", () {
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List<ExposurePair> exposurePairsFull(double ev) =>
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MeteringContainerBuidler.buildExposureValues(
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ev,
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StopType.full,
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defaultEquipmentProfile,
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const Film.other(),
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);
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test('EV 1', () {
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final exposurePairs = exposurePairsFull(1);
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expect(
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exposurePairs.first,
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const ExposurePair(
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ApertureValue(1, StopType.full),
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ShutterSpeedValue(2, true, StopType.full),
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),
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);
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expect(
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exposurePairs.last,
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const ExposurePair(
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ApertureValue(5.6, StopType.full),
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ShutterSpeedValue(16, false, StopType.full),
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),
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);
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});
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test('EV 1.3', () {
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final exposurePairs = exposurePairsFull(1.3);
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expect(
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exposurePairs.first,
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const ExposurePair(
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ApertureValue(1, StopType.full),
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ShutterSpeedValue(2, true, StopType.full),
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),
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);
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expect(
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exposurePairs.last,
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const ExposurePair(
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ApertureValue(5.6, StopType.full),
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ShutterSpeedValue(16, false, StopType.full),
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),
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);
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});
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test('EV 1.5', () {
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final exposurePairs = exposurePairsFull(1.5);
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expect(
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exposurePairs.first,
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const ExposurePair(
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ApertureValue(1, StopType.full),
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ShutterSpeedValue(4, true, StopType.full),
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),
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);
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expect(
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exposurePairs.last,
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const ExposurePair(
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ApertureValue(8, StopType.full),
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ShutterSpeedValue(16, false, StopType.full),
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),
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);
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});
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test('EV 1.7', () {
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final exposurePairs = exposurePairsFull(1.7);
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expect(
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exposurePairs.first,
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const ExposurePair(
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ApertureValue(1, StopType.full),
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ShutterSpeedValue(4, true, StopType.full),
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),
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);
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expect(
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exposurePairs.last,
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const ExposurePair(
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ApertureValue(8, StopType.full),
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ShutterSpeedValue(16, false, StopType.full),
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),
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);
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});
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test('EV 2', () {
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final exposurePairs = exposurePairsFull(2);
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expect(
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exposurePairs.first,
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const ExposurePair(
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ApertureValue(1, StopType.full),
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ShutterSpeedValue(4, true, StopType.full),
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),
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);
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expect(
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exposurePairs.last,
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const ExposurePair(
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ApertureValue(8, StopType.full),
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ShutterSpeedValue(16, false, StopType.full),
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),
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);
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});
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});
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group("StopType.half", () {
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List<ExposurePair> exposurePairsFull(double ev) =>
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MeteringContainerBuidler.buildExposureValues(
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ev,
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StopType.half,
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defaultEquipmentProfile,
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const Film.other(),
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);
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test('EV 1', () {
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final exposurePairs = exposurePairsFull(1);
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expect(
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exposurePairs.first,
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const ExposurePair(
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ApertureValue(1, StopType.full),
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ShutterSpeedValue(2, true, StopType.full),
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),
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);
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expect(
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exposurePairs.last,
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const ExposurePair(
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ApertureValue(5.6, StopType.full),
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ShutterSpeedValue(16, false, StopType.full),
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),
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);
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});
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test('EV 1.3', () {
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final exposurePairs = exposurePairsFull(1.3);
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expect(
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exposurePairs.first,
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const ExposurePair(
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ApertureValue(1, StopType.full),
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ShutterSpeedValue(3, true, StopType.half),
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),
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);
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expect(
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exposurePairs.last,
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const ExposurePair(
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ApertureValue(6.7, StopType.full),
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ShutterSpeedValue(16, false, StopType.full),
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),
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);
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});
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test('EV 1.5', () {
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final exposurePairs = exposurePairsFull(1.5);
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expect(
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exposurePairs.first,
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const ExposurePair(
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ApertureValue(1, StopType.full),
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ShutterSpeedValue(3, true, StopType.half),
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),
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);
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expect(
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exposurePairs.last,
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const ExposurePair(
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ApertureValue(6.7, StopType.full),
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ShutterSpeedValue(16, false, StopType.full),
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),
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);
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});
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test('EV 1.7', () {
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final exposurePairs = exposurePairsFull(1.7);
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expect(
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exposurePairs.first,
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const ExposurePair(
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ApertureValue(1, StopType.full),
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ShutterSpeedValue(3, true, StopType.half),
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),
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);
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expect(
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exposurePairs.last,
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const ExposurePair(
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ApertureValue(6.7, StopType.full),
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ShutterSpeedValue(16, false, StopType.full),
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),
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);
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});
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test('EV 2', () {
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final exposurePairs = exposurePairsFull(2);
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expect(
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exposurePairs.first,
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const ExposurePair(
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ApertureValue(1, StopType.full),
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ShutterSpeedValue(4, true, StopType.full),
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),
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);
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expect(
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exposurePairs.last,
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const ExposurePair(
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ApertureValue(8, StopType.full),
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ShutterSpeedValue(16, false, StopType.full),
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),
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);
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});
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});
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group("StopType.third", () {
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List<ExposurePair> exposurePairsFull(double ev) =>
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MeteringContainerBuidler.buildExposureValues(
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ev,
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StopType.third,
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defaultEquipmentProfile,
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const Film.other(),
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);
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test('EV 1', () {
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final exposurePairs = exposurePairsFull(1);
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expect(
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exposurePairs.first,
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const ExposurePair(
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ApertureValue(1, StopType.full),
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ShutterSpeedValue(2, true, StopType.full),
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),
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);
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expect(
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exposurePairs.last,
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const ExposurePair(
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ApertureValue(5.6, StopType.full),
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ShutterSpeedValue(16, false, StopType.full),
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),
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);
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});
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test('EV 1.3', () {
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final exposurePairs = exposurePairsFull(1.3);
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expect(
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exposurePairs.first,
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const ExposurePair(
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ApertureValue(1, StopType.full),
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ShutterSpeedValue(2.5, true, StopType.third),
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),
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);
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expect(
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exposurePairs.last,
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const ExposurePair(
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ApertureValue(6.3, StopType.third),
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ShutterSpeedValue(16, false, StopType.full),
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),
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);
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});
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test('EV 1.5', () {
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final exposurePairs = exposurePairsFull(1.5);
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expect(
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exposurePairs.first,
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const ExposurePair(
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ApertureValue(1, StopType.full),
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ShutterSpeedValue(3, true, StopType.third),
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),
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);
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expect(
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exposurePairs.last,
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const ExposurePair(
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ApertureValue(7.1, StopType.third),
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ShutterSpeedValue(16, false, StopType.full),
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),
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);
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});
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test('EV 1.7', () {
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final exposurePairs = exposurePairsFull(1.7);
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expect(
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exposurePairs.first,
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const ExposurePair(
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ApertureValue(1, StopType.full),
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ShutterSpeedValue(3, true, StopType.third),
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),
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);
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expect(
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exposurePairs.last,
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const ExposurePair(
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ApertureValue(7.1, StopType.third),
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ShutterSpeedValue(16, false, StopType.full),
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),
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);
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});
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||||
|
||||
test('EV 2', () {
|
||||
final exposurePairs = exposurePairsFull(2);
|
||||
expect(
|
||||
exposurePairs.first,
|
||||
const ExposurePair(
|
||||
ApertureValue(1, StopType.full),
|
||||
ShutterSpeedValue(4, true, StopType.full),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
exposurePairs.last,
|
||||
const ExposurePair(
|
||||
ApertureValue(8, StopType.full),
|
||||
ShutterSpeedValue(16, false, StopType.full),
|
||||
),
|
||||
);
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
group('Reduced equipment profile', () {
|
||||
final equipmentProfile = EquipmentProfileData(
|
||||
id: "1",
|
||||
name: 'Test1',
|
||||
apertureValues: ApertureValue.values.sublist(4),
|
||||
ndValues: NdValue.values,
|
||||
shutterSpeedValues: ShutterSpeedValue.values.sublist(0, ShutterSpeedValue.values.length - 4),
|
||||
isoValues: IsoValue.values,
|
||||
);
|
||||
|
||||
group("StopType.full", () {
|
||||
List<ExposurePair> exposurePairsFull(double ev) =>
|
||||
MeteringContainerBuidler.buildExposureValues(
|
||||
ev,
|
||||
StopType.full,
|
||||
equipmentProfile,
|
||||
const Film.other(),
|
||||
);
|
||||
|
||||
test('EV 1', () {
|
||||
final exposurePairs = exposurePairsFull(1);
|
||||
expect(
|
||||
exposurePairs.first,
|
||||
const ExposurePair(
|
||||
ApertureValue(1.4, StopType.full),
|
||||
ShutterSpeedValue(1, false, StopType.full),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
exposurePairs.last,
|
||||
const ExposurePair(
|
||||
ApertureValue(4, StopType.full),
|
||||
ShutterSpeedValue(8, false, StopType.full),
|
||||
),
|
||||
);
|
||||
});
|
||||
|
||||
test('EV 1.3', () {
|
||||
final exposurePairs = exposurePairsFull(1.3);
|
||||
expect(
|
||||
exposurePairs.first,
|
||||
const ExposurePair(
|
||||
ApertureValue(1.4, StopType.full),
|
||||
ShutterSpeedValue(1, false, StopType.full),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
exposurePairs.last,
|
||||
const ExposurePair(
|
||||
ApertureValue(4, StopType.full),
|
||||
ShutterSpeedValue(8, false, StopType.full),
|
||||
),
|
||||
);
|
||||
});
|
||||
|
||||
test('EV 1.5', () {
|
||||
final exposurePairs = exposurePairsFull(1.5);
|
||||
expect(
|
||||
exposurePairs.first,
|
||||
const ExposurePair(
|
||||
ApertureValue(1.4, StopType.full),
|
||||
ShutterSpeedValue(2, true, StopType.full),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
exposurePairs.last,
|
||||
const ExposurePair(
|
||||
ApertureValue(5.6, StopType.full),
|
||||
ShutterSpeedValue(8, false, StopType.full),
|
||||
),
|
||||
);
|
||||
});
|
||||
|
||||
test('EV 1.7', () {
|
||||
final exposurePairs = exposurePairsFull(1.7);
|
||||
expect(
|
||||
exposurePairs.first,
|
||||
const ExposurePair(
|
||||
ApertureValue(1.4, StopType.full),
|
||||
ShutterSpeedValue(2, true, StopType.full),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
exposurePairs.last,
|
||||
const ExposurePair(
|
||||
ApertureValue(5.6, StopType.full),
|
||||
ShutterSpeedValue(8, false, StopType.full),
|
||||
),
|
||||
);
|
||||
});
|
||||
|
||||
test('EV 2', () {
|
||||
final exposurePairs = exposurePairsFull(2);
|
||||
expect(
|
||||
exposurePairs.first,
|
||||
const ExposurePair(
|
||||
ApertureValue(1.4, StopType.full),
|
||||
ShutterSpeedValue(2, true, StopType.full),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
exposurePairs.last,
|
||||
const ExposurePair(
|
||||
ApertureValue(5.6, StopType.full),
|
||||
ShutterSpeedValue(8, false, StopType.full),
|
||||
),
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
group("StopType.half", () {
|
||||
List<ExposurePair> exposurePairsFull(double ev) =>
|
||||
MeteringContainerBuidler.buildExposureValues(
|
||||
ev,
|
||||
StopType.half,
|
||||
equipmentProfile,
|
||||
const Film.other(),
|
||||
);
|
||||
|
||||
test('EV 1', () {
|
||||
final exposurePairs = exposurePairsFull(1);
|
||||
expect(
|
||||
exposurePairs.first,
|
||||
const ExposurePair(
|
||||
ApertureValue(1.4, StopType.full),
|
||||
ShutterSpeedValue(1, false, StopType.full),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
exposurePairs.last,
|
||||
const ExposurePair(
|
||||
ApertureValue(4.0, StopType.full),
|
||||
ShutterSpeedValue(8, false, StopType.full),
|
||||
),
|
||||
);
|
||||
});
|
||||
|
||||
test('EV 1.3', () {
|
||||
final exposurePairs = exposurePairsFull(1.3);
|
||||
expect(
|
||||
exposurePairs.first,
|
||||
const ExposurePair(
|
||||
ApertureValue(1.4, StopType.full),
|
||||
ShutterSpeedValue(1.5, true, StopType.half),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
exposurePairs.last,
|
||||
const ExposurePair(
|
||||
ApertureValue(4.8, StopType.full),
|
||||
ShutterSpeedValue(8, false, StopType.full),
|
||||
),
|
||||
);
|
||||
});
|
||||
|
||||
test('EV 1.5', () {
|
||||
final exposurePairs = exposurePairsFull(1.5);
|
||||
expect(
|
||||
exposurePairs.first,
|
||||
const ExposurePair(
|
||||
ApertureValue(1.4, StopType.full),
|
||||
ShutterSpeedValue(1.5, true, StopType.half),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
exposurePairs.last,
|
||||
const ExposurePair(
|
||||
ApertureValue(4.8, StopType.full),
|
||||
ShutterSpeedValue(8, false, StopType.full),
|
||||
),
|
||||
);
|
||||
});
|
||||
|
||||
test('EV 1.7', () {
|
||||
final exposurePairs = exposurePairsFull(1.7);
|
||||
expect(
|
||||
exposurePairs.first,
|
||||
const ExposurePair(
|
||||
ApertureValue(1.4, StopType.full),
|
||||
ShutterSpeedValue(1.5, true, StopType.full),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
exposurePairs.last,
|
||||
const ExposurePair(
|
||||
ApertureValue(4.8, StopType.full),
|
||||
ShutterSpeedValue(8, false, StopType.full),
|
||||
),
|
||||
);
|
||||
});
|
||||
|
||||
test('EV 2', () {
|
||||
final exposurePairs = exposurePairsFull(2);
|
||||
expect(
|
||||
exposurePairs.first,
|
||||
const ExposurePair(
|
||||
ApertureValue(1.4, StopType.full),
|
||||
ShutterSpeedValue(2, true, StopType.full),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
exposurePairs.last,
|
||||
const ExposurePair(
|
||||
ApertureValue(5.6, StopType.full),
|
||||
ShutterSpeedValue(8, false, StopType.full),
|
||||
),
|
||||
);
|
||||
});
|
||||
});
|
||||
|
||||
group("StopType.third", () {
|
||||
List<ExposurePair> exposurePairsFull(double ev) =>
|
||||
MeteringContainerBuidler.buildExposureValues(
|
||||
ev,
|
||||
StopType.third,
|
||||
equipmentProfile,
|
||||
const Film.other(),
|
||||
);
|
||||
|
||||
test('EV 1', () {
|
||||
final exposurePairs = exposurePairsFull(1);
|
||||
expect(
|
||||
exposurePairs.first,
|
||||
const ExposurePair(
|
||||
ApertureValue(1.4, StopType.full),
|
||||
ShutterSpeedValue(1, false, StopType.full),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
exposurePairs.last,
|
||||
const ExposurePair(
|
||||
ApertureValue(4, StopType.full),
|
||||
ShutterSpeedValue(8, false, StopType.full),
|
||||
),
|
||||
);
|
||||
});
|
||||
|
||||
test('EV 1.3', () {
|
||||
final exposurePairs = exposurePairsFull(1.3);
|
||||
expect(
|
||||
exposurePairs.first,
|
||||
const ExposurePair(
|
||||
ApertureValue(1.4, StopType.full),
|
||||
ShutterSpeedValue(1.3, true, StopType.third),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
exposurePairs.last,
|
||||
const ExposurePair(
|
||||
ApertureValue(4.5, StopType.third),
|
||||
ShutterSpeedValue(8, false, StopType.full),
|
||||
),
|
||||
);
|
||||
});
|
||||
|
||||
test('EV 1.5', () {
|
||||
final exposurePairs = exposurePairsFull(1.5);
|
||||
expect(
|
||||
exposurePairs.first,
|
||||
const ExposurePair(
|
||||
ApertureValue(1.4, StopType.full),
|
||||
ShutterSpeedValue(1.6, true, StopType.third),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
exposurePairs.last,
|
||||
const ExposurePair(
|
||||
ApertureValue(5.0, StopType.third),
|
||||
ShutterSpeedValue(8, false, StopType.full),
|
||||
),
|
||||
);
|
||||
});
|
||||
|
||||
test('EV 1.7', () {
|
||||
final exposurePairs = exposurePairsFull(1.7);
|
||||
expect(
|
||||
exposurePairs.first,
|
||||
const ExposurePair(
|
||||
ApertureValue(1.4, StopType.full),
|
||||
ShutterSpeedValue(1.6, true, StopType.third),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
exposurePairs.last,
|
||||
const ExposurePair(
|
||||
ApertureValue(5.0, StopType.third),
|
||||
ShutterSpeedValue(8, false, StopType.full),
|
||||
),
|
||||
);
|
||||
});
|
||||
|
||||
test('EV 2', () {
|
||||
final exposurePairs = exposurePairsFull(2);
|
||||
expect(
|
||||
exposurePairs.first,
|
||||
const ExposurePair(
|
||||
ApertureValue(1.4, StopType.full),
|
||||
ShutterSpeedValue(2, true, StopType.full),
|
||||
),
|
||||
);
|
||||
expect(
|
||||
exposurePairs.last,
|
||||
const ExposurePair(
|
||||
ApertureValue(5.6, StopType.full),
|
||||
ShutterSpeedValue(8, false, StopType.full),
|
||||
),
|
||||
);
|
||||
});
|
||||
});
|
||||
});
|
||||
}
|
||||
Loading…
Reference in a new issue