Reorganizing paths

common/src/objs/point.mjs

@@ -0,0 +1,87 @@
+/**
+ *  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 <https://www.gnu.org/licenses/>.
+ */
+
+import { Expression } from "../math/index.mjs"
+import * as P from "../parameters.mjs"
+import Objects from "../module/objects.mjs"
+import Latex from "../module/latex.mjs"
+
+import { DrawableObject } from "./common.mjs"
+
+
+export default class Point extends DrawableObject {
+    static type() {
+        return "Point"
+    }
+
+    static displayType() {
+        return qsTranslate("point", "Point")
+    }
+
+    static displayTypeMultiple() {
+        return qsTranslate("point", "Points")
+    }
+
+    static properties() {
+        return {
+            [QT_TRANSLATE_NOOP("prop", "x")]: new P.Expression(),
+            [QT_TRANSLATE_NOOP("prop", "y")]: new P.Expression(),
+            [QT_TRANSLATE_NOOP("prop", "labelPosition")]: P.Enum.Position,
+            [QT_TRANSLATE_NOOP("prop", "pointStyle")]: new P.Enum("●", "✕", "＋")
+        }
+    }
+
+    constructor(name = null, visible = true, color = null, labelContent = "name + value",
+        x = 1, y = 0, labelPosition = "above", pointStyle = "●") {
+        if(name == null) name = Objects.getNewName("ABCDEFJKLMNOPQRSTUVW")
+        super(name, visible, color, labelContent)
+        if(typeof x == "number" || typeof x == "string") x = new Expression(x.toString())
+        this.x = x
+        if(typeof y == "number" || typeof y == "string") y = new Expression(y.toString())
+        this.y = y
+        this.labelPosition = labelPosition
+        this.pointStyle = pointStyle
+    }
+
+    getReadableString() {
+        return `${this.name} = (${this.x}, ${this.y})`
+    }
+
+    getLatexString() {
+        return `${Latex.variable(this.name)} = \\left(${this.x.latexMarkup}, ${this.y.latexMarkup}\\right)`
+    }
+
+    draw(canvas) {
+        let [canvasX, canvasY] = [canvas.x2px(this.x.execute()), canvas.y2px(this.y.execute())]
+        let pointSize = 8 + (canvas.linewidth * 2)
+        switch(this.pointStyle) {
+            case "●":
+                canvas.disc(canvasX, canvasY, pointSize / 2)
+                break
+            case "✕":
+                canvas.drawLine(canvasX - pointSize / 2, canvasY - pointSize / 2, canvasX + pointSize / 2, canvasY + pointSize / 2)
+                canvas.drawLine(canvasX - pointSize / 2, canvasY + pointSize / 2, canvasX + pointSize / 2, canvasY - pointSize / 2)
+                break
+            case "＋":
+                canvas.fillRect(canvasX - pointSize / 2, canvasY - 1, pointSize, 2)
+                canvas.fillRect(canvasX - 1, canvasY - pointSize / 2, 2, pointSize)
+                break
+        }
+        this.drawLabel(canvas, this.labelPosition, canvasX, canvasY)
+    }
+}