Files
xterm.js/src/browser/ColorContrastCache.ts
T
Daniel Imms 0c6877f46f Move color to common, work with IColor
IColor is needed for the minimum contrast ratio function currently.
2022-05-09 14:00:39 -07:00

40 lines
1.1 KiB
TypeScript

/**
* Copyright (c) 2017 The xterm.js authors. All rights reserved.
* @license MIT
*/
import { IColorContrastCache } from 'browser/Types';
import { IColor } from 'common/Types';
export class ColorContrastCache implements IColorContrastCache {
private _color: { [bg: number]: { [fg: number]: IColor | null | undefined } | undefined } = {};
private _rgba: { [bg: number]: { [fg: number]: string | null | undefined } | undefined } = {};
public clear(): void {
this._color = {};
this._rgba = {};
}
public setCss(bg: number, fg: number, value: string | null): void {
if (!this._rgba[bg]) {
this._rgba[bg] = {};
}
this._rgba[bg]![fg] = value;
}
public getCss(bg: number, fg: number): string | null | undefined {
return this._rgba[bg] ? this._rgba[bg]![fg] : undefined;
}
public setColor(bg: number, fg: number, value: IColor | null): void {
if (!this._color[bg]) {
this._color[bg] = {};
}
this._color[bg]![fg] = value;
}
public getColor(bg: number, fg: number): IColor | null | undefined {
return this._color[bg] ? this._color[bg]![fg] : undefined;
}
}