34 lines
747 B
Plaintext
34 lines
747 B
Plaintext
/**
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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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export class GridCache<T> {
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public cache: (T | undefined)[][];
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public constructor() {
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this.cache = [];
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}
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public resize(width: number, height: number): void {
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for (let x = 0; x < width; x++) {
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if (this.cache.length <= x) {
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this.cache.push([]);
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}
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for (let y = this.cache[x].length; y < height; y++) {
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this.cache[x].push(undefined);
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}
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this.cache[x].length = height;
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}
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this.cache.length = width;
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}
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public clear(): void {
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for (let x = 0; x < this.cache.length; x++) {
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for (let y = 0; y < this.cache[x].length; y++) {
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this.cache[x][y] = undefined;
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}
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}
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}
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}
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