87 lines
3.3 KiB
JavaScript
87 lines
3.3 KiB
JavaScript
/**
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* LogarithmPlotter - 2D plotter software to make BODE plots, sequences and distribution functions.
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* Copyright (C) 2021-2024 Ad5001
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import { Expression } from "../math/index.mjs"
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import * as P from "../parameters.mjs"
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import Objects from "../module/objects.mjs"
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import Latex from "../module/latex.mjs"
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import { DrawableObject } from "./common.mjs"
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export default class Point extends DrawableObject {
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static type() {
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return "Point"
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}
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static displayType() {
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return qsTranslate("point", "Point")
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}
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static displayTypeMultiple() {
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return qsTranslate("point", "Points")
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}
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static properties() {
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return {
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[QT_TRANSLATE_NOOP("prop", "x")]: new P.Expression(),
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[QT_TRANSLATE_NOOP("prop", "y")]: new P.Expression(),
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[QT_TRANSLATE_NOOP("prop", "labelPosition")]: P.Enum.Position,
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[QT_TRANSLATE_NOOP("prop", "pointStyle")]: new P.Enum("●", "✕", "＋")
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}
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}
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constructor(name = null, visible = true, color = null, labelContent = "name + value",
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x = 1, y = 0, labelPosition = "above", pointStyle = "●") {
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if(name == null) name = Objects.getNewName("ABCDEFJKLMNOPQRSTUVW")
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super(name, visible, color, labelContent)
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if(typeof x == "number" || typeof x == "string") x = new Expression(x.toString())
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this.x = x
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if(typeof y == "number" || typeof y == "string") y = new Expression(y.toString())
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this.y = y
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this.labelPosition = labelPosition
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this.pointStyle = pointStyle
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}
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getReadableString() {
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return `${this.name} = (${this.x}, ${this.y})`
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}
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getLatexString() {
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return `${Latex.variable(this.name)} = \\left(${this.x.latexMarkup}, ${this.y.latexMarkup}\\right)`
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}
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draw(canvas) {
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let [canvasX, canvasY] = [canvas.x2px(this.x.execute()), canvas.y2px(this.y.execute())]
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let pointSize = 8 + (canvas.linewidth * 2)
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switch(this.pointStyle) {
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case "●":
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canvas.disc(canvasX, canvasY, pointSize / 2)
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break
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case "✕":
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canvas.drawLine(canvasX - pointSize / 2, canvasY - pointSize / 2, canvasX + pointSize / 2, canvasY + pointSize / 2)
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canvas.drawLine(canvasX - pointSize / 2, canvasY + pointSize / 2, canvasX + pointSize / 2, canvasY - pointSize / 2)
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break
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case "＋":
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canvas.fillRect(canvasX - pointSize / 2, canvasY - 1, pointSize, 2)
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canvas.fillRect(canvasX - 1, canvasY - pointSize / 2, 2, pointSize)
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break
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}
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this.drawLabel(canvas, this.labelPosition, canvasX, canvasY)
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}
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}
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