25 lines
756 B
Dart
25 lines
756 B
Dart
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import 'dart:ui';
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import 'package:flutter/material.dart';
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//调用的时候需要把hex改一下，比如#223344 needs change to 0xFF223344
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//即把#换成0xFF即可
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MaterialColor createMaterialColor(Color color) {
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List strengths = <double>[.05];
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Map swatch = <int, Color>{};
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final int r = color.red, g = color.green, b = color.blue;
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for (int i = 1; i < 10; i++) {
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strengths.add(0.1 * i);
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}
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strengths.forEach((strength) {
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final double ds = 0.5 - strength;
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swatch[(strength * 1000).round()] = Color.fromRGBO(
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r + ((ds < 0 ? r : (255 - r)) * ds).round(),
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g + ((ds < 0 ? g : (255 - g)) * ds).round(),
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b + ((ds < 0 ? b : (255 - b)) * ds).round(),
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1,
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);
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});
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return MaterialColor(color.value, swatch);
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}
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