159 lines
6.2 KiB
JavaScript
159 lines
6.2 KiB
JavaScript
/**
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* LogarithmPlotter - 2D plotter software to make BODE plots, sequences and distribution functions.
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* Copyright (C) 2022 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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.pragma library
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.import "common.js" as Common
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.import "../objects.js" as Objects
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.import "../mathlib.js" as MathLib
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.import "../parameters.js" as P
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class SommePhasesBode extends Common.ExecutableObject {
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static type(){return 'Somme phases Bode'}
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static displayType(){return qsTr('Bode Phases Sum')}
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static displayTypeMultiple(){return qsTr('Bode Phases Sum')}
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static createable() {return false}
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/*static properties() {return {
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'labelPosition': new P.Enum('above', 'below', 'left', 'right', 'above-left', 'above-right', 'below-left', 'below-right'),
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'labelX': 'number'
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}}*/
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static properties() {return {
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[QT_TRANSLATE_NOOP('prop','labelPosition')]: P.Enum.Position,
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[QT_TRANSLATE_NOOP('prop','labelX')]: 'number',
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}}
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constructor(name = null, visible = true, color = null, labelContent = 'name + value',
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labelPosition = 'above', labelX = 1) {
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if(name == null) name = 'φ'
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super(name, visible, color, labelContent)
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this.labelPosition = labelPosition
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this.labelX = labelX
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this.recalculateCache()
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}
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export() {
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return [this.name, this.visible, this.color.toString(), this.labelContent, this.labelPosition, this.labelX]
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}
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getReadableString() {
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return `${this.name} = ${Objects.getObjectsName('Phase Bode').join(' + ')}`
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}
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execute(x=1) {
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if(typeof x == 'string') x = MathLib.executeExpression(x)
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for(var i = 0; i < this.om0xList.length-1; i++) {
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if(x >= this.om0xList[i] && x < this.om0xList[i+1]) return this.phasesList[i]
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}
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}
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simplify(x = 1) {
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var xval = x
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if(typeof x == 'string') xval = MathLib.executeExpression(x)
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for(var i = 0; i < this.om0xList.length-1; i++) {
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if(xval >= this.om0xList[i] && xval < this.om0xList[i+1]) {
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return (new MathLib.Expression(this.phasesExprList[i])).simplify()
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}
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}
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return '0'
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}
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canExecute(x = 1) {
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return true
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}
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recalculateCache() {
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// Minimum to draw (can be expended if needed, just not infinite or it'll cause issues.
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var drawMin = 0.001
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var drawMax = 100000
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this.om0xList = [drawMin, drawMax]
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this.phasesList = [0]
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this.phasesExprList = ['0']
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var phasesDict = {}
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var phasesExprDict = {}
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phasesDict[drawMax] = 0
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if(Objects.currentObjects['Phase Bode'] != undefined) {
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console.log('Recalculating cache phase')
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for(var obj of Objects.currentObjects['Phase Bode']) {
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this.om0xList.push(obj.om_0.x.execute())
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if(phasesDict[obj.om_0.x.execute()] == undefined) {
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phasesDict[obj.om_0.x.execute()] = obj.phase.execute()
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phasesExprDict[obj.om_0.x.execute()] = obj.phase.toEditableString()
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} else {
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phasesDict[obj.om_0.x.execute()] += obj.phase.execute()
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phasesExprDict[obj.om_0.x.execute()] += '+' + obj.phase.toEditableString()
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}
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this.phasesList[0] += obj.om_0.y.execute()
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this.phasesExprList[0] += '+' + obj.om_0.y.toEditableString()
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}
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this.om0xList.sort((a,b) => a - b)
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var totalAdded = this.phasesList[0]
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for(var i = 1; i < this.om0xList.length; i++) {
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this.phasesList[i] = this.phasesList[i-1] + phasesDict[this.om0xList[i]]
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this.phasesExprList[i] = this.phasesExprList[i-1] + '+' + phasesDict[this.om0xList[i]]
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}
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}
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}
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draw(canvas, ctx) {
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for(var i = 0; i < this.om0xList.length-1; i++) {
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var om0xBegin = canvas.x2px(this.om0xList[i])
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var om0xEnd = canvas.x2px(this.om0xList[i+1])
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var baseY = canvas.y2px(this.phasesList[i])
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var nextY = canvas.y2px(this.phasesList[i+1])
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canvas.drawLine(ctx, om0xBegin, baseY, om0xEnd, baseY)
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canvas.drawLine(ctx, om0xEnd, baseY, om0xEnd, nextY)
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}
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// Label
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var text = this.getLabel()
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ctx.font = `${canvas.textsize}px sans-serif`
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var textSize = canvas.measureText(ctx, text)
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var posX = canvas.x2px(this.labelX)
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var posY = canvas.y2px(this.execute(this.labelX))
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switch(this.labelPosition) {
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case 'above':
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canvas.drawVisibleText(ctx, text, posX-textSize.width/2, posY-textSize.height)
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break;
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case 'below':
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canvas.drawVisibleText(ctx, text, posX-textSize.width/2, posY+textSize.height)
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break;
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case 'left':
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canvas.drawVisibleText(ctx, text, posX-textSize.width, posY-textSize.height/2)
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break;
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case 'right':
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canvas.drawVisibleText(ctx, text, posX, posY-textSize.height/2)
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break;
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case 'above-left':
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canvas.drawVisibleText(ctx, text, posX-textSize.width, posY-textSize.height)
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break;
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case 'above-right':
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canvas.drawVisibleText(ctx, text, posX, posY-textSize.height)
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break;
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case 'below-left':
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canvas.drawVisibleText(ctx, text, posX-textSize.width, posY+textSize.height)
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break;
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case 'below-right':
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canvas.drawVisibleText(ctx, text, posX, posY+textSize.height)
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break;
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}
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}
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}
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