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Add contrast caching to webgl

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This commit is contained in:
Daniel Imms
2019-11-12 09:42:55 -08:00
parent faaa07be68
commit 8a0122f482
4 changed files with 26 additions and 13 deletions
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src/browser/ColorContrastCache.ts
+3 -3
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@@ -7,21 +7,21 @@ import { IColor, IColorContrastCache } from 'browser/Types';
export class ColorContrastCache implements IColorContrastCache {
private _color: { [bg: number]: { [fg: number]: IColor | null | undefined } | undefined } = {};
private _rgba: { [bg: number]: { [fg: number]: number | null | undefined } | undefined } = {};
private _rgba: { [bg: number]: { [fg: number]: string | null | undefined } | undefined } = {};
public clear(): void {
this._color = {};
this._rgba = {};
}
public setRgba(bg: number, fg: number, value: number | null): void {
public setCss(bg: number, fg: number, value: string | null): void {
if (!this._rgba[bg]) {
this._rgba[bg] = {};
}
this._rgba[bg]![fg] = value;
}
public getRgba(bg: number, fg: number): number | null | undefined {
public getCss(bg: number, fg: number): string | null | undefined {
return this._rgba[bg] ? this._rgba[bg]![fg] : undefined;
}
src/browser/Types.d.ts
Vendored
+2 -2
View File
@@ -30,8 +30,8 @@ export interface IColorSet {
export interface IColorContrastCache {
clear(): void;
setRgba(bg: number, fg: number, value: number | null): void;
getRgba(bg: number, fg: number): number | null | undefined;
setCss(bg: number, fg: number, value: string | null): void;
getCss(bg: number, fg: number): string | null | undefined;
setColor(bg: number, fg: number, value: IColor | null): void;
getColor(bg: number, fg: number): IColor | null | undefined;
}