Created
November 18, 2020 12:19
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flutter color to material color
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MaterialColor createMaterialColor(Color color) { | |
List strengths = <double>[.05]; | |
Map swatch = <int, Color>{}; | |
final int r = color.red, g = color.green, b = color.blue; | |
for (int i = 1; i < 10; i++) { | |
strengths.add(0.1 * i); | |
} | |
strengths.forEach((strength) { | |
final double ds = 0.5 - strength; | |
swatch[(strength * 1000).round()] = Color.fromRGBO( | |
r + ((ds < 0 ? r : (255 - r)) * ds).round(), | |
g + ((ds < 0 ? g : (255 - g)) * ds).round(), | |
b + ((ds < 0 ? b : (255 - b)) * ds).round(), | |
1, | |
); | |
}); | |
return MaterialColor(color.value, swatch); | |
} |
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