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