31d9b9f574
The goal is to be able to get these outlines to fill the shape corresponding to a text selection in order to highlight some text contents. The outlines will be used either to show selected/hovered highlights.
59 lines
1.4 KiB
JavaScript
59 lines
1.4 KiB
JavaScript
/* Copyright 2022 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/** @typedef {import("../src/display/draw_layer.js").DrawLayer} DrawLayer */
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import { DrawLayer } from "pdfjs-lib";
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/**
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* @typedef {Object} DrawLayerBuilderOptions
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* @property {DrawLayer} [drawLayer]
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*/
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class DrawLayerBuilder {
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#drawLayer = null;
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/**
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* @param {DrawLayerBuilderOptions} options
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*/
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constructor(options) {
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this.pageIndex = options.pageIndex;
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}
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/**
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* @param {string} intent (default value is 'display')
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*/
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async render(intent = "display") {
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if (intent !== "display" || this.#drawLayer || this._cancelled) {
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return;
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}
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this.#drawLayer = new DrawLayer({
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pageIndex: this.pageIndex,
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});
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}
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cancel() {
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this._cancelled = true;
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if (!this.#drawLayer) {
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return;
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}
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this.#drawLayer.destroy();
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this.#drawLayer = null;
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}
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}
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export { DrawLayerBuilder };
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