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Igor Zinken
2026-01-31 16:39:17 +01:00
parent 79e957195a
commit c141c522ef
1 changed files with 12 additions and 12 deletions
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24
src/utils/color-util.ts
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@@ -22,31 +22,31 @@
*/
import type { RGB, RGBA, HSV } from "@/definitions/colors";
export const rgb2YCbCr = (r: number, g: number, b: number): RGB => ({
r: 0.2990 * r + 0.5870 * g + 0.1140 * b,
export const rgb2YCbCr = ( r: number, g: number, b: number ): RGB => ({
r: 0.2990 * r + 0.5870 * g + 0.1140 * b,
g: -0.1687 * r - 0.3313 * g + 0.5000 * b,
b: 0.5000 * r - 0.4187 * g - 0.0813 * b
b: 0.5000 * r - 0.4187 * g - 0.0813 * b
});
export const YCbCr2rgb = (r: number, g: number, b: number): RGB => ({
export const YCbCr2rgb = ( r: number, g: number, b: number ): RGB => ({
r: r + 1.4020 * b,
g: r - 0.3441 * g - 0.7141 * b,
b: r + 1.7720 * g
});
export const rgb2hsv = (r: number, g: number, b: number): HSV => {
const c = rgb2YCbCr(r, g, b);
const s = Math.sqrt(c.g * c.g + c.b * c.b);
const h = Math.atan2(c.g, c.b);
export const rgb2hsv = ( r: number, g: number, b: number ): HSV => {
const c = rgb2YCbCr( r, g, b );
const s = Math.sqrt( c.g * c.g + c.b * c.b );
const h = Math.atan2( c.g, c.b );
return {
h, s, v: c.r
};
}
export const hsv2rgb = (h: number, s: number, v: number): RGB => {
const g = s * Math.sin(h);
const b = s * Math.cos(h);
return YCbCr2rgb(v, g, b);
export const hsv2rgb = ( h: number, s: number, v: number ): RGB => {
const g = s * Math.sin( h );
const b = s * Math.cos( h );
return YCbCr2rgb( v, g, b );
};
export const hexToRGBA = ( hex: string ): RGBA => {