/** * LogarithmPlotter - 2D plotter software to make BODE plots, sequences and distribution functions. * Copyright (C) 2021-2024 Ad5001 * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ export class MockCanvas { constructor(mockLoading = false) { this.mockLoading = mockLoading } getContext(context) { throw new Error("MockCanvas.getContext not implemented") } markDirty(rect) { this.requestPaint() } loadImageAsync(image) { return new Promise((resolve, reject) => { resolve() }) } /** * Image loading is instantaneous. * @param {string} image * @return {boolean} */ isImageLoading(image) { return this.mockLoading } /** * Image loading is instantaneous. * @param {string} image * @return {boolean} */ isImageLoaded(image) { return !this.mockLoading } requestPaint() { } }