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This commit is contained in:
Fredrik Burmester
2024-10-03 07:37:37 +02:00
parent 60981504fc
commit b21a1cd18e
15 changed files with 137 additions and 107 deletions
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30
utils/atoms/primaryColor.ts
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@@ -2,12 +2,10 @@ import { atom, useAtom } from "jotai";
interface ThemeColors {
primary: string;
secondary: string;
average: string;
text: string;
}
const calculateTextColor = (backgroundColor: string): string => {
export const calculateTextColor = (backgroundColor: string): string => {
// Convert hex to RGB
const r = parseInt(backgroundColor.slice(1, 3), 16);
const g = parseInt(backgroundColor.slice(3, 5), 16);
@@ -48,7 +46,7 @@ const calculateRelativeLuminance = (rgb: number[]): number => {
return 0.2126 * r + 0.7152 * g + 0.0722 * b;
};
const isCloseToBlack = (color: string): boolean => {
export const isCloseToBlack = (color: string): boolean => {
const r = parseInt(color.slice(1, 3), 16);
const g = parseInt(color.slice(3, 5), 16);
const b = parseInt(color.slice(5, 7), 16);
@@ -57,33 +55,13 @@ const isCloseToBlack = (color: string): boolean => {
return r < 20 && g < 20 && b < 20;
};
const adjustToNearBlack = (color: string): string => {
export const adjustToNearBlack = (color: string): string => {
return "#212121"; // A very dark gray, almost black
};
const baseThemeColorAtom = atom<ThemeColors>({
export const itemThemeColorAtom = atom<ThemeColors>({
primary: "#FFFFFF",
secondary: "#000000",
average: "#888888",
text: "#000000",
});
export const itemThemeColorAtom = atom(
(get) => get(baseThemeColorAtom),
(get, set, update: Partial<ThemeColors>) => {
const currentColors = get(baseThemeColorAtom);
let newColors = { ...currentColors, ...update };
// Adjust primary color if it's too close to black
if (newColors.primary && isCloseToBlack(newColors.primary)) {
newColors.primary = adjustToNearBlack(newColors.primary);
}
// Recalculate text color if primary color changes
if (update.primary) newColors.text = calculateTextColor(newColors.primary);
set(baseThemeColorAtom, newColors);
}
);
export const useItemThemeColor = () => useAtom(itemThemeColorAtom);