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https://github.com/vodemn/m3_lightmeter.git
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87 lines
3.5 KiB
Dart
87 lines
3.5 KiB
Dart
import 'photography_value.dart';
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class ShutterSpeedValue extends PhotographyStopValue<double> {
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final bool isFraction;
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const ShutterSpeedValue(super.rawValue, this.isFraction, super.stopType);
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@override
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double get value => isFraction ? 1 / rawValue : rawValue;
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@override
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String toString() {
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final buffer = StringBuffer();
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if (isFraction) buffer.write("1/");
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if (rawValue - rawValue.floor() == 0) {
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buffer.write(rawValue.toInt().toString());
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} else {
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buffer.write(rawValue.toStringAsFixed(1));
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}
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if (!isFraction) buffer.write("\"");
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return buffer.toString();
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}
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}
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const List<ShutterSpeedValue> shutterSpeedValues = [
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ShutterSpeedValue(2000, true, StopType.full),
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ShutterSpeedValue(1600, true, StopType.third),
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ShutterSpeedValue(1500, true, StopType.half),
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ShutterSpeedValue(1250, true, StopType.third),
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ShutterSpeedValue(1000, true, StopType.full),
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ShutterSpeedValue(800, true, StopType.third),
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ShutterSpeedValue(750, true, StopType.half),
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ShutterSpeedValue(640, true, StopType.third),
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ShutterSpeedValue(500, true, StopType.full),
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ShutterSpeedValue(400, true, StopType.third),
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ShutterSpeedValue(350, true, StopType.half),
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ShutterSpeedValue(320, true, StopType.third),
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ShutterSpeedValue(250, true, StopType.full),
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ShutterSpeedValue(200, true, StopType.third),
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ShutterSpeedValue(180, true, StopType.half),
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ShutterSpeedValue(160, true, StopType.third),
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ShutterSpeedValue(125, true, StopType.full),
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ShutterSpeedValue(100, true, StopType.third),
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ShutterSpeedValue(90, true, StopType.half),
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ShutterSpeedValue(80, true, StopType.third),
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ShutterSpeedValue(60, true, StopType.full),
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ShutterSpeedValue(50, true, StopType.third),
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ShutterSpeedValue(45, true, StopType.half),
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ShutterSpeedValue(40, true, StopType.third),
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ShutterSpeedValue(30, true, StopType.full),
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ShutterSpeedValue(25, true, StopType.third),
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ShutterSpeedValue(20, true, StopType.half),
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ShutterSpeedValue(20, true, StopType.third),
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ShutterSpeedValue(15, true, StopType.full),
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ShutterSpeedValue(13, true, StopType.third),
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ShutterSpeedValue(10, true, StopType.half),
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ShutterSpeedValue(10, true, StopType.third),
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ShutterSpeedValue(8, true, StopType.full),
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ShutterSpeedValue(6, true, StopType.third),
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ShutterSpeedValue(6, true, StopType.half),
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ShutterSpeedValue(5, true, StopType.third),
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ShutterSpeedValue(4, true, StopType.full),
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ShutterSpeedValue(3, true, StopType.third),
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ShutterSpeedValue(3, true, StopType.half),
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ShutterSpeedValue(2.5, true, StopType.third),
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ShutterSpeedValue(2, true, StopType.full),
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ShutterSpeedValue(1.6, true, StopType.third),
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ShutterSpeedValue(1.5, true, StopType.half),
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ShutterSpeedValue(1.3, true, StopType.third),
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ShutterSpeedValue(1, false, StopType.full),
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ShutterSpeedValue(1.3, false, StopType.third),
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ShutterSpeedValue(1.5, false, StopType.half),
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ShutterSpeedValue(1.6, false, StopType.third),
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ShutterSpeedValue(2, false, StopType.full),
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ShutterSpeedValue(2.5, false, StopType.third),
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ShutterSpeedValue(3, false, StopType.half),
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ShutterSpeedValue(3, false, StopType.third),
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ShutterSpeedValue(4, false, StopType.full),
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ShutterSpeedValue(5, false, StopType.third),
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ShutterSpeedValue(6, false, StopType.half),
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ShutterSpeedValue(6, false, StopType.third),
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ShutterSpeedValue(8, false, StopType.full),
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ShutterSpeedValue(10, false, StopType.third),
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ShutterSpeedValue(12, false, StopType.half),
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ShutterSpeedValue(13, false, StopType.third),
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ShutterSpeedValue(16, false, StopType.full),
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];
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