Creating Canvas JS Module.

LogarithmPlotter/logarithmplotter.py

@@ -113,7 +113,7 @@ def run():
     helper = Helper(pwd, tmpfile)
     latex = Latex(tempdir)
     modules = engine.newObject()
-    engine.globalObject().setProperty('Runtime', modules)
+    engine.globalObject().setProperty('Modules', modules)
     engine.globalObject().setProperty('Helper', engine.newQObject(helper))
     engine.globalObject().setProperty("Latex", engine.newQObject(latex))
     # engine.rootContext().setContextProperty("Helper", helper)

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/AppMenuBar.qml

@@ -103,17 +103,17 @@ MenuBar {
         title: qsTr("&Create")
         // Services repeater
         Repeater {
-            model: Object.keys(Runtime.Objects.types)
+            model: Object.keys(Modules.Objects.types)
             
             MenuItem {
-                text: Runtime.Objects.types[modelData].displayType()
+                text: Modules.Objects.types[modelData].displayType()
-                visible: Runtime.Objects.types[modelData].createable()
+                visible: Modules.Objects.types[modelData].createable()
                 height: visible ? implicitHeight : 0
                 icon.name: modelData
                 icon.source: './icons/objects/' + modelData + '.svg'
                 icon.color: sysPalette.buttonText
                 onTriggered: {
-                    var newObj = Runtime.Objects.createNewRegisteredObject(modelData)
+                    var newObj = Modules.Objects.createNewRegisteredObject(modelData)
                     history.addToHistory(new HistoryLib.CreateNewObject(newObj.name, modelData, newObj.export()))
                     objectLists.update()
                 }
@@ -151,7 +151,7 @@ MenuBar {
             checked: Helper.getSettingBool("enable_latex")
             onTriggered: {
                 Helper.setSettingBool("enable_latex", checked)
-                Runtime.Latex.enabled = checked
+                Modules.Latex.enabled = checked
                 drawCanvas.requestPaint()
             }
             icon.name: 'Expression'

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/History/History.qml

@@ -212,8 +212,8 @@ Item {
     }
     
     Component.onCompleted: {
-        Runtime.History.history = historyObj
+        Modules.History.history = historyObj
-        Runtime.History.themeTextColor = sysPalette.windowText
+        Modules.History.themeTextColor = sysPalette.windowText
-        Runtime.History.imageDepth = Screen.devicePixelRatio
+        Modules.History.imageDepth = Screen.devicePixelRatio
     }
 }

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/LogGraphCanvas.qml

@@ -126,37 +126,6 @@ Canvas {
     */
     property int maxgradx: 20
     
-    /*!
-       \qmlproperty var LogGraphCanvas::yaxisstepExpr
-       Expression for the y axis step (used to create labels).
-    */
-    property var yaxisstepExpr: (new MathLib.Expression(`x*(${yaxisstep})`))
-    /*!
-       \qmlproperty double LogGraphCanvas::yaxisstep1
-       Value of the for the y axis step.
-    */
-    property double yaxisstep1: yaxisstepExpr.execute(1)
-    /*!
-       \qmlproperty int LogGraphCanvas::drawMaxY
-       Minimum value of y that should be drawn onto the canvas.
-    */
-    property int drawMaxY: Math.ceil(Math.max(Math.abs(ymax), Math.abs(px2y(canvasSize.height)))/yaxisstep1)
-    /*!
-       \qmlproperty var LogGraphCanvas::xaxisstepExpr
-       Expression for the x axis step (used to create labels).
-    */
-    property var xaxisstepExpr: (new MathLib.Expression(`x*(${xaxisstep})`))
-    /*!
-       \qmlproperty double LogGraphCanvas::xaxisstep1
-       Value of the for the x axis step.
-    */
-    property double xaxisstep1: xaxisstepExpr.execute(1)
-    /*!
-       \qmlproperty int LogGraphCanvas::drawMaxX
-       Maximum value of x that should be drawn onto the canvas.
-    */
-    property int drawMaxX: Math.ceil(Math.max(Math.abs(xmin), Math.abs(px2x(canvasSize.width)))/xaxisstep1)
-    
     /*!
        \qmlproperty var LogGraphCanvas::imageLoaders
        Dictionary of format {image: [callback.image data]} containing data for defered image loading.
@@ -168,7 +137,10 @@ Canvas {
     */
     property var ctx
     
-    Component.onCompleted: imageLoaders = {}
+    Component.onCompleted: {
+        imageLoaders = {}
+        Modules.Canvas.initialize(canvas, drawingErrorDialog)
+    }
     
     Native.MessageDialog {
         id: drawingErrorDialog
@@ -183,27 +155,7 @@ Canvas {
     onPaint: function(rect) {
         //console.log('Redrawing')
         if(rect.width == canvas.width) { // Redraw full canvas
-            ctx = getContext("2d");
+            Modules.Canvas.redraw()
-            reset(ctx)
-            drawGrille(ctx)
-            drawAxises(ctx)
-            drawLabels(ctx)
-            ctx.lineWidth = linewidth
-            for(var objType in Runtime.Objects.currentObjects) {
-                for(var obj of Runtime.Objects.currentObjects[objType]){
-                    ctx.strokeStyle = obj.color
-                    ctx.fillStyle = obj.color
-                    if(obj.visible)
-                        try {
-                            obj.draw(canvas, ctx)
-                        } catch(e) {
-                            // Drawing throws an error. Generally, it's due to a new modification (or the opening of a file)
-                            drawingErrorDialog.showDialog(objType, obj.name, e.message)
-                            history.undo()
-                        }
-                }
-            }
-            ctx.lineWidth = 1
         }
     }
     
@@ -216,277 +168,4 @@ Canvas {
             }
         })
     }
-    
-    /*!
-        \qmlmethod void LogGraphCanvas::reset(var ctx)
-        Resets the canvas to a blank one with default setting using 2D \c ctx.
-    */
-    function reset(ctx){
-        // Reset
-        ctx.fillStyle = "#FFFFFF"
-        ctx.strokeStyle = "#000000"
-        ctx.font = `${canvas.textsize}px sans-serif`
-        ctx.fillRect(0,0,width,height)
-    }
-    
-    // Drawing the log based graph
-    
-    /*!
-        \qmlmethod void LogGraphCanvas::drawGrille(var ctx)
-        Draws the grid using 2D \c ctx.
-    */
-    function drawGrille(ctx) {
-        ctx.strokeStyle = "#C0C0C0"
-        if(logscalex) {
-            for(var xpow = -maxgradx; xpow <= maxgradx; xpow++) {
-                for(var xmulti = 1; xmulti < 10; xmulti++) {
-                    drawXLine(ctx, Math.pow(10, xpow)*xmulti)
-                }
-            }
-        } else {
-            for(var x = 0; x < drawMaxX; x+=1) {
-                drawXLine(ctx, x*xaxisstep1)
-                drawXLine(ctx, -x*xaxisstep1)
-            }
-        }
-        for(var y = 0; y < drawMaxY; y+=1) {
-            drawYLine(ctx, y*yaxisstep1)
-            drawYLine(ctx, -y*yaxisstep1)
-        }
-    }
-    
-    /*!
-        \qmlmethod void LogGraphCanvas::drawAxises(var ctx)
-        Draws the graph axises using 2D \c ctx.
-    */
-    function drawAxises(ctx) {
-        ctx.strokeStyle = "#000000"
-        var axisypos = logscalex ? 1 : 0
-        drawXLine(ctx, axisypos)
-        drawYLine(ctx, 0)
-        var axisypx = x2px(axisypos) // X coordinate of Y axis
-        var axisxpx = y2px(0) // Y coordinate of X axis
-        // Drawing arrows
-        drawLine(ctx, axisypx, 0, axisypx-10, 10)
-        drawLine(ctx, axisypx, 0, axisypx+10, 10)
-        drawLine(ctx, canvasSize.width, axisxpx, canvasSize.width-10, axisxpx-10)
-        drawLine(ctx, canvasSize.width, axisxpx, canvasSize.width-10, axisxpx+10)
-    }
-    
-    /*!
-        \qmlmethod void LogGraphCanvas::drawLabels(var ctx)
-        Draws all labels (graduation & axises labels) using 2D \c ctx.
-    */
-    function drawLabels(ctx) {
-        var axisypx = x2px(logscalex ? 1 : 0) // X coordinate of Y axis
-        var axisxpx = y2px(0) // Y coordinate of X axis
-        // Labels
-        ctx.fillStyle = "#000000"
-        ctx.font = `${canvas.textsize}px sans-serif`
-        ctx.fillText(ylabel, axisypx+10, 24)
-        var textSize = ctx.measureText(xlabel).width
-        ctx.fillText(xlabel, canvasSize.width-14-textSize, axisxpx-5)
-        // Axis graduation labels
-        ctx.font = `${canvas.textsize-4}px sans-serif`
-        
-        var txtMinus = ctx.measureText('-').width
-        if(showxgrad) {
-            if(logscalex) {
-                for(var xpow = -maxgradx; xpow <= maxgradx; xpow+=1) {
-                    var textSize = ctx.measureText("10"+Utils.textsup(xpow)).width
-                    if(xpow != 0)
-                        drawVisibleText(ctx, "10"+Utils.textsup(xpow), x2px(Math.pow(10,xpow))-textSize/2, axisxpx+16+(6*(xpow==1)))
-                }
-            } else {
-                for(var x = 1; x < drawMaxX; x += 1) {
-                    var drawX = x*xaxisstep1
-                    var txtX = xaxisstepExpr.simplify(x).replace(/^\((.+)\)$/, '$1')
-                    var textSize = measureText(ctx, txtX, 6).height
-                    drawVisibleText(ctx, txtX, x2px(drawX)-4, axisxpx+textsize/2+textSize)
-                    drawVisibleText(ctx, '-'+txtX, x2px(-drawX)-4, axisxpx+textsize/2+textSize)
-                }
-            }
-        }
-        if(showygrad) {
-            for(var y = 0; y < drawMaxY; y += 1) {
-                var drawY = y*yaxisstep1
-                var txtY = yaxisstepExpr.simplify(y).replace(/^\((.+)\)$/, '$1')
-                var textSize = ctx.measureText(txtY).width
-                drawVisibleText(ctx, txtY, axisypx-6-textSize, y2px(drawY)+4+(10*(y==0)))
-                if(y != 0)
-                    drawVisibleText(ctx, '-'+txtY, axisypx-6-textSize-txtMinus, y2px(-drawY)+4)
-            }
-        }
-        ctx.fillStyle = "#FFFFFF"
-    }
-    
-    /*!
-        \qmlmethod void LogGraphCanvas::drawXLine(var ctx, double x)
-        Draws an horizontal line at \c x plot coordinate using 2D \c ctx.
-    */
-    function drawXLine(ctx, x) {
-        if(isVisible(x, ymax)) {
-            drawLine(ctx, x2px(x), 0, x2px(x), canvasSize.height)
-        }
-    }
-    
-    /*!
-        \qmlmethod void LogGraphCanvas::drawXLine(var ctx, double x)
-        Draws an vertical line at \c y plot coordinate using 2D \c ctx.
-    */
-    function drawYLine(ctx, y) {
-        if(isVisible(xmin, y)) {
-            drawLine(ctx, 0, y2px(y), canvasSize.width, y2px(y))
-        }
-    }
-    
-    /*!
-        \qmlmethod void LogGraphCanvas::drawVisibleText(var ctx, string text, double x, double y)
-        Writes multline \c text onto the canvas using 2D \c ctx.
-        \note The \c x and \c y properties here are relative to the canvas, not the plot.
-    */
-    function drawVisibleText(ctx, text, x, y) {
-        if(x > 0 && x < canvasSize.width && y > 0 && y < canvasSize.height) {
-            text.toString().split("\n").forEach(function(txt, i){
-                ctx.fillText(txt, x, y+(canvas.textsize*i))
-            })
-        }
-    }
-    
-    /*!
-        \qmlmethod void LogGraphCanvas::drawVisibleImage(var ctx, var image, double x, double y)
-        Draws an \c image onto the canvas using 2D \c ctx.
-        \note The \c x, \c y \c width and \c height properties here are relative to the canvas, not the plot.
-    */
-    function drawVisibleImage(ctx, image, x, y, width, height) {
-        //console.log("Drawing image", isImageLoaded(image), isImageError(image))
-        markDirty(Qt.rect(x, y, width, height));
-        ctx.drawImage(image, x, y, width, height)
-        /*if(true || (x > 0 && x < canvasSize.width && y > 0 && y < canvasSize.height)) {
-        }*/
-    }
-    
-    /*!
-        \qmlmethod var LogGraphCanvas::measureText(var ctx, string text)
-        Measures the wicth and height of a multiline \c text that would be drawn onto the canvas using 2D \c ctx.
-        Return format: dictionary {"width": width, "height": height}
-    */
-    function measureText(ctx, text) {
-        let theight = 0
-        let twidth = 0
-        let defaultHeight = ctx.measureText("M").width // Approximate but good enough!
-        text.split("\n").forEach(function(txt, i){
-            theight += defaultHeight 
-            if(ctx.measureText(txt).width > twidth) twidth = ctx.measureText(txt).width
-        })
-        return {'width': twidth, 'height': theight}
-    }
-    
-    /*!
-        \qmlmethod double LogGraphCanvas::x2px(double x)
-        Converts an \c x coordinate to it's relative position on the canvas.
-        It supports both logarithmic and non logarithmic scale depending on the currently selected mode.
-    */
-    function x2px(x) {
-        if(logscalex) {
-            var logxmin = Math.log(xmin)
-            return (Math.log(x)-logxmin)*xzoom
-        } else return (x - xmin)*xzoom
-    }
-    
-    /*!
-        \qmlmethod double LogGraphCanvas::y2px(double y)
-        Converts an \c y coordinate to it's relative position on the canvas.
-        The y axis not supporting logarithmic scale, it only support linear convertion.
-    */
-    function y2px(y) {
-        return (ymax-y)*yzoom
-    }
-
-    /*!
-        \qmlmethod double LogGraphCanvas::px2x(double px)
-        Converts an x \c px position on the canvas to it's corresponding coordinate on the plot.
-        It supports both logarithmic and non logarithmic scale depending on the currently selected mode.
-    */
-    function px2x(px) {
-        if(logscalex) {
-            return Math.exp(px/xzoom+Math.log(xmin))
-        } else return (px/xzoom+xmin)
-    }
-
-    /*!
-        \qmlmethod double LogGraphCanvas::px2x(double px)
-        Converts an x \c px position on the canvas to it's corresponding coordinate on the plot.
-        It supports both logarithmic and non logarithmic scale depending on the currently selected mode.
-    */
-    function px2y(px) {
-        return -(px/yzoom-ymax)
-    }
-
-    /*!
-        \qmlmethod bool LogGraphCanvas::isVisible(double x, double y)
-        Checks whether a plot point (\c x, \c y) is visible or not on the canvas.
-    */
-    function isVisible(x, y) {
-        return (x2px(x) >= 0 && x2px(x) <= canvasSize.width) && (y2px(y) >= 0 && y2px(y) <= canvasSize.height)
-    }
-
-    /*!
-        \qmlmethod bool LogGraphCanvas::drawLine(var ctx, double x1, double y1, double x2, double y2)
-        Draws a line from plot point (\c x1, \c y1) to plot point (\c x2, \¢ y2) using 2D \c ctx.
-    */
-    function drawLine(ctx, x1, y1, x2, y2) {
-        ctx.beginPath();
-        ctx.moveTo(x1, y1);
-        ctx.lineTo(x2, y2);
-        ctx.stroke();
-    }
-
-    /*!
-        \qmlmethod bool LogGraphCanvas::drawDashedLine2(var ctx, double x1, double y1, double x2, double y2)
-        Draws a dashed line from plot point (\c x1, \c y1) to plot point (\c x2, \¢ y2) using 2D \c ctx.
-    */
-    function drawDashedLine2(ctx, x1, y1, x2, y2, dashPxSize = 5) {
-        ctx.setLineDash([dashPxSize, dashPxSize]);
-        drawLine(ctx, x1, y1, x2, y2)
-        ctx.setLineDash([]);
-    }
-
-    /*!
-        \qmlmethod bool LogGraphCanvas::drawDashedLine(var ctx, double x1, double y1, double x2, double y2)
-        Draws a dashed line from plot point (\c x1, \c y1) to plot point (\c x2, \¢ y2) using 2D \c ctx.
-        (Legacy slower method)
-    */
-    function drawDashedLine(ctx, x1, y1, x2, y2, dashPxSize = 10) {
-        var distance = Math.sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2))
-        var progPerc = dashPxSize/distance
-        ctx.beginPath();
-        ctx.moveTo(x1, y1);
-        for(var i = 0; i < 1; i += progPerc) {
-            ctx.lineTo(x1-(x1-x2)*i, y1-(y1-y2)*i)
-            ctx.moveTo(x1-(x1-x2)*(i+progPerc/2), y1-(y1-y2)*(i+progPerc/2))
-        }
-        ctx.stroke();
-    }
-
-    /*!
-        \qmlmethod var LogGraphCanvas::renderLatexImage(string ltxText, color)
-        Renders latex markup \c ltxText to an image and loads it. Returns a dictionary with three values: source, width and height.
-    */
-    function renderLatexImage(ltxText, color, callback) {
-        let [ltxSrc, ltxWidth, ltxHeight] = Latex.render(ltxText, textsize, color).split(",")
-        let imgData = {
-            "source": ltxSrc,
-            "width": parseFloat(ltxWidth),
-            "height": parseFloat(ltxHeight)
-        };
-        if(!isImageLoaded(ltxSrc) && !isImageLoading(ltxSrc)){
-            // Wait until the image is loaded to callback.
-            loadImage(ltxSrc)
-            imageLoaders[ltxSrc] = [callback, imgData]
-        } else {
-            // Callback directly
-            callback(canvas, ctx, imgData)
-        }
-    }
 }

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/LogarithmPlotter.qml

@@ -23,7 +23,7 @@ import QtQuick.Layouts 1.12
 import QtQuick
 
 // Auto loading all modules.
-import "js/modules.js" as Modules
+import "js/autoload.js" as ModulesAutoload
 
 import eu.ad5001.LogarithmPlotter.History 1.0
 import eu.ad5001.LogarithmPlotter.ObjectLists 1.0
@@ -191,9 +191,9 @@ ApplicationWindow {
             filename += '.lpf'
         settings.saveFilename = filename
         var objs = {}
-        for(var objType in Runtime.Objects.currentObjects){
+        for(var objType in Modules.Objects.currentObjects){
             objs[objType] = []
-            for(var obj of Runtime.Objects.currentObjects[objType]) {
+            for(var obj of Modules.Objects.currentObjects[objType]) {
                 objs[objType].push(obj.export())
             }
         }
@@ -255,19 +255,19 @@ ApplicationWindow {
             root.width = data["width"]
             
             // Importing objects
-            Runtime.Objects.currentObjects = {}
+            Modules.Objects.currentObjects = {}
-            Runtime.Object.keys(Objects.currentObjectsByName).forEach(key => {
+            Modules.Object.keys(Objects.currentObjectsByName).forEach(key => {
-                delete Runtime.Objects.currentObjectsByName[key];
+                delete Modules.Objects.currentObjectsByName[key];
                 // Required to keep the same reference for the copy of the object used in expression variable detection.
                 // Another way would be to change the reference as well, but I feel like the code would be less clean.
             })
             for(let objType in data['objects']) {
-                if(Object.keys(Runtime.Objects.types).indexOf(objType) > -1) {
+                if(Object.keys(Modules.Objects.types).indexOf(objType) > -1) {
-                    Runtime.Objects.currentObjects[objType] = []
+                    Modules.Objects.currentObjects[objType] = []
                     for(let objData of data['objects'][objType]) {
-                        let obj = new Runtime.Objects.types[objType](...objData)
+                        let obj = new Modules.Objects.types[objType](...objData)
-                        Runtime.Objects.currentObjects[objType].push(obj)
+                        Modules.Objects.currentObjects[objType].push(obj)
-                        Runtime.Objects.currentObjectsByName[obj.name] = obj
+                        Modules.Objects.currentObjectsByName[obj.name] = obj
                     }
                 } else {
                     error += qsTr("Unknown object type: %1.").arg(objType) + "\n";
@@ -275,8 +275,8 @@ ApplicationWindow {
             }
             
             // Updating object dependencies.
-            for(let objName in Runtime.Objects.currentObjectsByName)
+            for(let objName in Modules.Objects.currentObjectsByName)
-                Runtime.Objects.currentObjectsByName[objName].update()
+                Modules.Objects.currentObjectsByName[objName].update()
             
             // Importing history
             if("history" in data)

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/ObjectLists/Editor/CustomPropertyList.qml

@@ -130,6 +130,7 @@ Repeater {
                     }
                 } catch(e) {
                     // Error in expression or domain
+                    console.trace()
                     parsingErrorDialog.showDialog(propertyName, newValue, e.message)
                 }
             }
@@ -187,8 +188,8 @@ Repeater {
             
             // Base, untranslated version of the model.
             property var baseModel: selectObjMode ?
-                    Runtime.Objects.getObjectsName(propertyType.objType).concat(
+                    Modules.Objects.getObjectsName(propertyType.objType).concat(
-                        isRealObject ? [qsTr("+ Create new %1").arg(Runtime.Objects.types[propertyType.objType].displayType())] : [])
+                        isRealObject ? [qsTr("+ Create new %1").arg(Modules.Objects.types[propertyType.objType].displayType())] : [])
                     : propertyType.values
             // Translated version of the model.
             model: selectObjMode ? baseModel : propertyType.translatedValues
@@ -198,20 +199,20 @@ Repeater {
                 if(selectObjMode) {
                     // This is only done when what we're selecting are Objects.
                     // Setting object property.
-                    var selectedObj = Runtime.Objects.currentObjectsByName[baseModel[newIndex]]
+                    var selectedObj = Modules.Objects.currentObjectsByName[baseModel[newIndex]]
                     if(newIndex != 0) {
                         // Make sure we don't set the object to null.
                         if(selectedObj == null) {
                             // Creating new object.
-                            selectedObj = Runtime.Objects.createNewRegisteredObject(propertyType.objType)
+                            selectedObj = Modules.Objects.createNewRegisteredObject(propertyType.objType)
                             history.addToHistory(new HistoryLib.CreateNewObject(selectedObj.name, propertyType.objType, selectedObj.export()))
-                            baseModel = Runtime.Objects.getObjectsName(propertyType.objType).concat(
+                            baseModel = Modules.Objects.getObjectsName(propertyType.objType).concat(
-                                        isRealObject ? [qsTr("+ Create new %1").arg(Runtime.Objects.types[propertyType.objType].displayType())] : 
+                                        isRealObject ? [qsTr("+ Create new %1").arg(Modules.Objects.types[propertyType.objType].displayType())] :
                                         [])
                             currentIndex = baseModel.indexOf(selectedObj.name)
                         }
-                        selectedObj.requiredBy.push(Runtime.Objects.currentObjects[objType][objIndex])
+                        selectedObj.requiredBy.push(Modules.Objects.currentObjects[objType][objIndex])
-                        //Runtime.Objects.currentObjects[objType][objIndex].requiredBy = obj[propertyName].filter((obj) => obj.name != obj.name)
+                        //Modules.Objects.currentObjects[objType][objIndex].requiredBy = obj[propertyName].filter((obj) => obj.name != obj.name)
                     }
                     obj.requiredBy = obj.requiredBy.filter((obj) => obj.name != obj.name)
                     history.addToHistory(new HistoryLib.EditedProperty(
@@ -255,7 +256,7 @@ Repeater {
                     obj.name, objType, propertyName, 
                     obj[propertyName], exported
                 ))
-                //Runtime.Objects.currentObjects[objType][objIndex][propertyName] = exported
+                //Modules.Objects.currentObjects[objType][objIndex][propertyName] = exported
                 obj[propertyName] = exported
                 root.changed()
             }

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/ObjectLists/Editor/Dialog.qml

@@ -52,7 +52,7 @@ Popup.BaseDialog {
        \qmlproperty var EditorDialog::obj
        Instance of the object being edited.
     */
-    property var obj: Runtime.Objects.currentObjects[objType][objIndex]
+    property var obj: Modules.Objects.currentObjects[objType][objIndex]
     /*!
        \qmlproperty var EditorDialog::posPicker
        Reference to the global PositionPicker QML object.
@@ -85,7 +85,7 @@ Popup.BaseDialog {
             Label {
                 id: dlgTitle
                 verticalAlignment: TextInput.AlignVCenter
-                text: qsTr("Edit properties of %1 %2").arg(Runtime.Objects.types[objEditor.objType].displayType()).arg(objEditor.obj.name)
+                text: qsTr("Edit properties of %1 %2").arg(Modules.Objects.types[objEditor.objType].displayType()).arg(objEditor.obj.name)
                 font.pixelSize: 20
                 color: sysPalette.windowText
             }
@@ -111,14 +111,14 @@ Popup.BaseDialog {
                 onChanged: function(newValue) {
                     let newName = Utils.parseName(newValue)
                     if(newName != '' && objEditor.obj.name != newName) {
-                        if(newName in Runtime.Objects.currentObjectsByName) {
+                        if(newName in Modules.Objects.currentObjectsByName) {
                             invalidNameDialog.showDialog(newName)
                         } else {
                             history.addToHistory(new HistoryLib.NameChanged(
                                 objEditor.obj.name, objEditor.objType, newName
                             ))
-                            Runtime.Objects.renameObject(obj.name, newName)
+                            Modules.Objects.renameObject(obj.name, newName)
-                            objEditor.obj = Runtime.Objects.currentObjects[objEditor.objType][objEditor.objIndex]
+                            objEditor.obj = Modules.Objects.currentObjects[objEditor.objType][objEditor.objIndex]
                             objectListList.update()
                         }
                     }
@@ -163,7 +163,7 @@ Popup.BaseDialog {
     */
     function open() {
         dlgCustomProperties.model = [] // Reset
-        let objProps = Runtime.Objects.types[objEditor.objType].properties()
+        let objProps = Modules.Objects.types[objEditor.objType].properties()
         dlgCustomProperties.model = Object.keys(objProps).map(prop => [prop, objProps[prop]]) // Converted to 2-dimentional array.
         objEditor.show()
     }

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/ObjectLists/ObjectCreationGrid.qml

@@ -43,7 +43,7 @@ Column {
         // Open editor
         objectEditor.obj = obj
         objectEditor.objType = obj.type
-        objectEditor.objIndex = Runtime.Objects.currentObjects[obj.type].indexOf(obj)
+        objectEditor.objIndex = Modules.Objects.currentObjects[obj.type].indexOf(obj)
         objectEditor.open()
         // Disconnect potential link
         posPicker.picked.disconnect(openEditorDialog)
@@ -60,12 +60,12 @@ Column {
         width: parent.width
         columns: 3
         Repeater {
-            model: Object.keys(Runtime.Objects.types)
+            model: Object.keys(Modules.Objects.types)
             
             Button {
                 id: createBtn
                 width: 96
-                visible: Runtime.Objects.types[modelData].createable()
+                visible: Modules.Objects.types[modelData].createable()
                 height: visible ? width*0.8 : 0
                 // The KDE SDK is kinda buggy, so it respects neither specified color nor display propreties.
                 //display: AbstractButton.TextUnderIcon
@@ -93,7 +93,7 @@ Column {
                     anchors.rightMargin: 4
                     horizontalAlignment: Text.AlignHCenter
                     font.pixelSize: 14
-                    text: Runtime.Objects.types[modelData].displayType()
+                    text: Modules.Objects.types[modelData].displayType()
                     wrapMode: Text.WordWrap
                     clip: true
                 }
@@ -103,7 +103,7 @@ Column {
                 ToolTip.text: label.text
                 
                 onClicked: {
-                    let newObj = Runtime.Objects.createNewRegisteredObject(modelData)
+                    let newObj = Modules.Objects.createNewRegisteredObject(modelData)
                     history.addToHistory(new HistoryLib.CreateNewObject(newObj.name, modelData, newObj.export()))
                     objectLists.update()
         

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/ObjectLists/ObjectLists.qml

@@ -46,7 +46,7 @@ ScrollView {
     
     ListView {
         id: objectsListView
-        model: Object.keys(Runtime.Objects.types)
+        model: Object.keys(Modules.Objects.types)
         //width: implicitWidth //objectListList.width - (implicitHeight > objectListList.parent.height ? 20 : 0)
         implicitHeight: contentItem.childrenRect.height + footerItem.height + 10
         
@@ -54,7 +54,7 @@ ScrollView {
             id: objTypeList
             property string objType: objectsListView.model[index]
             property var editingRows: []
-            model: Runtime.Objects.currentObjects[objType]
+            model: Modules.Objects.currentObjects[objType]
             width: objectsListView.width
             implicitHeight: contentItem.childrenRect.height
             visible: model != undefined && model.length > 0
@@ -69,23 +69,23 @@ ScrollView {
                 
                 CheckBox {
                     id: typeVisibilityCheckBox
-                    checked: Runtime.Objects.currentObjects[objType] != undefined ? Runtime.Objects.currentObjects[objType].every(obj => obj.visible) : true
+                    checked: Modules.Objects.currentObjects[objType] != undefined ? Modules.Objects.currentObjects[objType].every(obj => obj.visible) : true
                     onClicked: {
-                        for(var obj of Runtime.Objects.currentObjects[objType]) obj.visible = this.checked
+                        for(var obj of Modules.Objects.currentObjects[objType]) obj.visible = this.checked
                         for(var obj of objTypeList.editingRows) obj.objVisible = this.checked
                         objectListList.changed()
                     }
                     
                     ToolTip.visible: hovered
                     ToolTip.text: checked ? 
-                                    qsTr("Hide all %1").arg(Runtime.Objects.types[objType].displayTypeMultiple()) :
+                                    qsTr("Hide all %1").arg(Modules.Objects.types[objType].displayTypeMultiple()) :
-                                    qsTr("Show all %1").arg(Runtime.Objects.types[objType].displayTypeMultiple())
+                                    qsTr("Show all %1").arg(Modules.Objects.types[objType].displayTypeMultiple())
                 }
                 
                 Label {
                     id: typeHeaderText
                     verticalAlignment: TextInput.AlignVCenter
-                    text: qsTranslate("control", "%1: ").arg(Runtime.Objects.types[objType].displayTypeMultiple())
+                    text: qsTranslate("control", "%1: ").arg(Modules.Objects.types[objType].displayTypeMultiple())
                     font.pixelSize: 20
                 }
             }
@@ -93,11 +93,11 @@ ScrollView {
             delegate: ObjectRow {
                 id: controlRow
                 width: objTypeList.width
-                obj: Runtime.Objects.currentObjects[objType][index]
+                obj: Modules.Objects.currentObjects[objType][index]
                 posPicker: positionPicker
                 
                 onChanged: {
-                    obj = Runtime.Objects.currentObjects[objType][index]
+                    obj = Modules.Objects.currentObjects[objType][index]
                     objectListList.update()
                 }
                 
@@ -129,7 +129,7 @@ ScrollView {
     function update() {
         objectListList.changed()
         for(var objType in objectListList.listViews) {
-            objectListList.listViews[objType].model = Runtime.Objects.currentObjects[objType]
+            objectListList.listViews[objType].model = Modules.Objects.currentObjects[objType]
         }
     }
     

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/ObjectLists/ObjectRow.qml

@@ -89,16 +89,16 @@ Item {
         id: objDescription
         anchors.left: objVisibilityCheckBox.right
         anchors.right: deleteButton.left
-        height: Runtime.Latex.enabled ? Math.max(parent.minHeight, latexDescription.height+4) : parent.minHeight
+        height: Modules.Latex.enabled ? Math.max(parent.minHeight, latexDescription.height+4) : parent.minHeight
         verticalAlignment: TextInput.AlignVCenter
-        text: Runtime.Latex.enabled ? "" : obj.getReadableString()
+        text: Modules.Latex.enabled ? "" : obj.getReadableString()
         font.pixelSize: 14
         
         Image {
             id: latexDescription
             anchors.verticalCenter: parent.verticalCenter
             anchors.left: parent.left
-            visible: Runtime.Latex.enabled
+            visible: Modules.Latex.enabled
             property double depth: Screen.devicePixelRatio
             property var ltxInfo: visible ? Latex.render(obj.getLatexString(), depth*(parent.font.pixelSize+2), parent.color).split(",") : ["","0","0"]
             source: visible ? ltxInfo[0] : ""
@@ -109,7 +109,7 @@ Item {
         MouseArea {
             anchors.fill: parent
             onClicked: {
-                objEditor.obj = Runtime.Objects.currentObjects[obj.type][index]
+                objEditor.obj = Modules.Objects.currentObjects[obj.type][index]
                 objEditor.objType = obj.type
                 objEditor.objIndex = index
                 //objEditor.editingRow = objectRow
@@ -211,14 +211,14 @@ Item {
     function deleteRecursively(object) {
         for(let toRemove of object.requiredBy)
             deleteRecursively(toRemove)
-        if(Runtime.Objects.currentObjectsByName[object.name] != undefined) {
+        if(Modules.Objects.currentObjectsByName[object.name] != undefined) {
             // Object still exists
             // Temporary fix for objects require not being propertly updated.
             object.requiredBy = []
             history.addToHistory(new HistoryLib.DeleteObject(
                 object.name, object.type, object.export()
             ))
-            Runtime.Objects.deleteObject(object.name)
+            Modules.Objects.deleteObject(object.name)
         }
     }
 }

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/PickLocationOverlay.qml

@@ -113,7 +113,7 @@ Item {
             if(mouse.button == Qt.LeftButton) { // Validate
                 let newValueX = !parent.userPickX ? null : parseValue(picked.mouseX.toString(), objType, propertyX)
                 let newValueY = !parent.userPickY ? null : parseValue(picked.mouseY.toString(), objType, propertyY)
-                let obj = Runtime.Objects.currentObjectsByName[objName]
+                let obj = Modules.Objects.currentObjectsByName[objName]
                 // Set values
                 if(parent.userPickX && parent.userPickY) {
                     history.addToHistory(new HistoryLib.EditedPosition(
@@ -262,7 +262,7 @@ Item {
         color: 'black'
         anchors.top: parent.top
         anchors.left: parent.left
-        anchors.leftMargin: canvas.x2px(picked.mouseX)
+        anchors.leftMargin: Modules.Canvas.x2px(picked.mouseX)
         visible: parent.userPickX
     }
     
@@ -273,7 +273,7 @@ Item {
         color: 'black'
         anchors.top: parent.top
         anchors.left: parent.left
-        anchors.topMargin: canvas.y2px(picked.mouseY)
+        anchors.topMargin: Modules.Canvas.y2px(picked.mouseY)
         visible: parent.userPickY
     }
     
@@ -282,25 +282,26 @@ Item {
         x: picker.mouseX - width - 5
         y: picker.mouseY - height - 5
         color: 'black'
-        property double axisX: canvas.xaxisstep1
+        property double axisX: Modules.Canvas.axesStep.x.value
+        property double axisY: Modules.Canvas.axesStep.y.value
         property double mouseX: {
-            let xpos = canvas.px2x(picker.mouseX)
+            let xpos = Modules.Canvas.px2x(picker.mouseX)
             if(snapToGridCheckbox.checked) {
                 if(canvas.logscalex) {
                     // Calculate the logged power
                     let pow = Math.pow(10, Math.floor(Math.log10(xpos)))
                     return pow*Math.round(xpos/pow)
                 } else {
-                    return canvas.xaxisstep1*Math.round(xpos/canvas.xaxisstep1)
+                    return axisX*Math.round(xpos/axisX)
                 }
             } else {
                 return xpos.toFixed(parent.precision)
             }
         }
         property double mouseY: {
-            let ypos = canvas.px2y(picker.mouseY)
+            let ypos = Modules.Canvas.px2y(picker.mouseY)
             if(snapToGridCheckbox.checked) {
-                return canvas.yaxisstep1*Math.round(ypos/canvas.yaxisstep1)
+                return axisY*Math.round(ypos/axisY)
             } else {
                 return ypos.toFixed(parent.precision)
             }
@@ -323,7 +324,7 @@ Item {
         Parses a given \c value as an expression or a number depending on the type of \c propertyName of all \c objType.
     */
     function parseValue(value, objType, propertyName) {
-        if(Runtime.Objects.types[objType].properties()[propertyName] == 'number')
+        if(Modules.Objects.types[objType].properties()[propertyName] == 'number')
             return parseFloat(value)
         else
             return new MathLib.Expression(value)

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/Setting/ExpressionEditor.qml

@@ -391,9 +391,9 @@ Item {
                     property string objectName: isEnteringProperty ? 
                         (parent.currentToken.dot ? parent.previousToken.value : parent.previousToken2.value)
                     : ""
-                    property bool doesObjectExist: isEnteringProperty && (objectName in Runtime.Objects.currentObjectsByName)
+                    property bool doesObjectExist: isEnteringProperty && (objectName in Modules.Objects.currentObjectsByName)
                     property var objectProperties: doesObjectExist ? 
-                                                    Runtime.Objects.currentObjectsByName[objectName].constructor.properties() : 
+                                                    Modules.Objects.currentObjectsByName[objectName].constructor.properties() :
                                                     {}
                     categoryItems: Object.keys(objectProperties)
                     autocompleteGenerator: (item) => {
@@ -460,9 +460,9 @@ Item {
                     visbilityCondition: parent.currentToken.identifier && !parent.previousToken.dot
                     itemStartIndex: functionsList.itemStartIndex + functionsList.model.length
                     itemSelected: parent.itemSelected
-                    categoryItems: Runtime.Objects.getObjectsName("ExecutableObject").filter(obj => obj != self)
+                    categoryItems: Modules.Objects.getObjectsName("ExecutableObject").filter(obj => obj != self)
                     autocompleteGenerator: (item) => {return {
-                        'text': item, 'annotation': Runtime.Objects.currentObjectsByName[item] == null ? '' : Objects.currentObjectsByName[item].constructor.displayType(),
+                        'text': item, 'annotation': Modules.Objects.currentObjectsByName[item] == null ? '' : Objects.currentObjectsByName[item].constructor.displayType(),
                         'autocomplete': item+'()', 'cursorFinalOffset': -1
                     }}
                     baseText: parent.visible ? parent.currentToken.value : ""
@@ -475,9 +475,9 @@ Item {
                     visbilityCondition: parent.currentToken.identifier && !parent.previousToken.dot
                     itemStartIndex: executableObjectsList.itemStartIndex + executableObjectsList.model.length
                     itemSelected: parent.itemSelected
-                    categoryItems: Object.keys(Runtime.Objects.currentObjectsByName).filter(obj => obj != self)
+                    categoryItems: Object.keys(Modules.Objects.currentObjectsByName).filter(obj => obj != self)
                     autocompleteGenerator: (item) => {return {
-                        'text': item, 'annotation': `${Runtime.Objects.currentObjectsByName[item].constructor.displayType()}`,
+                        'text': item, 'annotation': `${Modules.Objects.currentObjectsByName[item].constructor.displayType()}`,
                         'autocomplete': item+'.', 'cursorFinalOffset': 0
                     }}
                     baseText: parent.visible ? parent.currentToken.value : ""
@@ -537,8 +537,8 @@ Item {
                 throw new Error(qsTranslate('error', 'Object cannot be dependent on itself.'))
             // Recursive dependencies
             let dependentOnSelfObjects = expr.requiredObjects().filter(
-                (obj) => Runtime.Objects.currentObjectsByName[obj].getDependenciesList()
+                (obj) => Modules.Objects.currentObjectsByName[obj].getDependenciesList()
-                          .includes(Runtime.Objects.currentObjectsByName[control.self])
+                          .includes(Modules.Objects.currentObjectsByName[control.self])
             )
             if(dependentOnSelfObjects.length == 1)
                 throw new Error(qsTranslate('error', 'Circular dependency detected. Object %1 depends on %2.').arg(dependentOnSelfObjects[0].toString()).arg(control.self))

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/Settings.qml

@@ -222,10 +222,10 @@ ScrollView {
             label: qsTr("Max X")
             icon: "settings/xmax.svg"
             width: settings.settingWidth
-            value: canvas.px2x(canvas.canvasSize.width).toFixed(2)
+            value: Modules.Canvas.px2x(canvas.width).toFixed(2)
             onChanged: function(xvaluemax) {
                 if(xvaluemax > settings.xmin) {
-                    settings.xzoom = settings.xzoom * canvas.canvasSize.width/(canvas.x2px(xvaluemax)) // Adjusting zoom to fit. = (end)/(px of current point)
+                    settings.xzoom = settings.xzoom * canvas.width/(Modules.Canvas.x2px(xvaluemax)) // Adjusting zoom to fit. = (end)/(px of current point)
                     settings.changed()
                 } else {
                     alert.show("Maximum x value must be superior to minimum.")
@@ -241,10 +241,10 @@ ScrollView {
             label: qsTr("Min Y")
             icon: "settings/ymin.svg"
             width: settings.settingWidth
-            defValue: canvas.px2y(canvas.canvasSize.height).toFixed(2)
+            defValue: Modules.Canvas.px2y(canvas.height).toFixed(2)
             onChanged: function(yvaluemin) {
                 if(yvaluemin < settings.ymax) {
-                    settings.yzoom = settings.yzoom * canvas.canvasSize.height/(canvas.y2px(yvaluemin)) // Adjusting zoom to fit. = (end)/(px of current point)
+                    settings.yzoom = settings.yzoom * canvas.height/(Modules.Canvas.y2px(yvaluemin)) // Adjusting zoom to fit. = (end)/(px of current point)
                     settings.changed()
                 } else {
                     alert.show("Minimum y value must be inferior to maximum.")

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/ViewPositionChangeOverlay.qml

@@ -94,7 +94,7 @@ Item {
         property int positionChangeTimer: 0
         
         function updatePosition(deltaX, deltaY) {
-            settingsInstance.xmin = (canvas.px2x(canvas.x2px(settingsInstance.xmin)-deltaX))
+            settingsInstance.xmin = (Modules.Canvas.px2x(Modules.Canvas.x2px(settingsInstance.xmin)-deltaX))
             settingsInstance.ymax += deltaY/canvas.yzoom
             settingsInstance.ymax = settingsInstance.ymax.toFixed(4)
             settingsInstance.changed()
@@ -107,6 +107,7 @@ Item {
             prevY = mouse.y
             parent.beginPositionChange()
         }
+        
         onPositionChanged: function(mouse) {
             positionChangeTimer++
             if(positionChangeTimer == 3) {
@@ -118,12 +119,14 @@ Item {
                 positionChangeTimer = 0
             }
         }
+        
         onReleased: function(mouse) {
             let deltaX = mouse.x - prevX
             let deltaY = mouse.y - prevY
             updatePosition(deltaX, deltaY)
             parent.endPositionChange(deltaX, deltaY)
         }
+        
         onWheel: function(wheel) {
             // Scrolling
             let scrollSteps = Math.round(wheel.angleDelta.y / 120)

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/autoload.js

@@ -5,3 +5,4 @@
 .import "objs/autoload.mjs" as Autoload
 .import "math/latex.mjs" as Latex
 .import "history/common.mjs" as HistoryCommon
+.import "canvas.mjs" as CanvasAPI

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/canvas.mjs

@@ -0,0 +1,523 @@
+/**
+ *  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 {Module} from "./modules.mjs"
+import {textsup} from "./utils.mjs"
+import {Expression} from "./mathlib.mjs"
+
+
+class CanvasAPI extends Module {
+
+    constructor() {
+        super('Canvas', [
+            Modules.Objects,
+            Modules.History
+        ])
+
+        /** @type {HTMLCanvasElement} */
+        this._canvas = null
+
+        /** @type {CanvasRenderingContext2D} */
+        this._ctx = null
+
+        /**
+         * @type {Object}
+         * @property {function(string, string, string)} showDialog
+         * @private
+         */
+        this._drawingErrorDialog = null
+        /**
+         *
+         * @type {Object.<string, {expression: Expression, value: number, maxDraw: number}>}
+         */
+        this.axesSteps = {
+            x: {
+                expression: null,
+                value: -1,
+                maxDraw: -1
+            },
+            y: {
+                expression: null,
+                value: -1,
+                maxDraw: -1
+            }
+        }
+    }
+
+    initialize(canvasObject, drawingErrorDialog) {
+        this._canvas = canvasObject
+        this._drawingErrorDialog = drawingErrorDialog
+    }
+
+    get width() { return this._canvas.width }
+
+    get height() { return this._canvas.height }
+
+    /**
+     * Minimum x of the diagram, provided from settings.
+     * @returns {number}
+     */
+    get xmin() { return this._canvas.xmin }
+
+    /**
+     * Zoom on the x-axis of the diagram, provided from settings.
+     * @returns {number}
+     */
+    get xzoom() { return this._canvas.xzoom }
+
+    /**
+     * Maximum y of the diagram, provided from settings.
+     * @returns {number}
+     */
+    get ymax() { return this._canvas.ymax }
+
+    /**
+     * Zoom on the y-axis of the diagram, provided from settings.
+     * @returns {number}
+     */
+    get yzoom() { return this._canvas.yzoom }
+
+    /**
+     * Label used on the x-axis, provided from settings.
+     * @returns {string}
+     */
+    get xlabel() { return this._canvas.xlabel }
+
+    /**
+     * Label used on the y-axis, provided from settings.
+     * @returns {string}
+     */
+    get ylabel() { return this._canvas.ylabel }
+
+    /**
+     * Width of lines that will be drawn into the canvas, provided from settings.
+     * @returns {number}
+     */
+    get linewidth() { return this._canvas.linewidth }
+
+    /**
+     * Font size of the text that will be drawn into the canvas, provided from settings.
+     * @returns {number}
+     */
+    get textsize() { return this._canvas.textsize }
+
+    /**
+     * True if the canvas should be in logarithmic mode, false otherwise.
+     * @returns {boolean}
+     */
+    get logscalex() { return this._canvas.logscalex }
+
+    /**
+     * True if the x graduation should be shown, false otherwise.
+     *  @returns {boolean}
+     */
+    get showxgrad() { return this._canvas.showxgrad }
+
+    /**
+     * True if the y graduation should be shown, false otherwise.
+     * @returns {boolean}
+     */
+    get showygrad() { return this._canvas.showygrad }
+
+    /**
+     * Max power of the logarithmic scaled on the x axis in logarithmic mode.
+     * @returns {number}
+     */
+    get maxgradx() { return this._canvas.maxgradx }
+
+    //
+    // Methods to draw the canvas
+    //
+
+    /**
+     * Redraws the entire canvas
+     */
+    redraw() {
+        this._ctx = this._canvas.getContext("2d")
+        this._computeAxes()
+        this._reset()
+        this._drawGrid()
+        this._drawAxes()
+        this._drawLabels()
+        this._ctx.lineWidth = this.linewidth
+        for(let objType in Modules.Objects.currentObjects) {
+            for(let obj of Modules.Objects.currentObjects[objType]){
+                this._ctx.strokeStyle = obj.color
+                this._ctx.fillStyle = obj.color
+                if(obj.visible)
+                    try {
+                        obj.draw(this)
+                    } catch(e) {
+                        // Drawing throws an error. Generally, it's due to a new modification (or the opening of a file)
+                        this._drawingErrorDialog.showDialog(objType, obj.name, e.message)
+                        Modules.History.undo()
+                    }
+            }
+        }
+        this._ctx.lineWidth = 1
+    }
+
+    /**
+     * Calculates informations for drawing gradations for axes.
+     * @private
+     */
+    _computeAxes() {
+        let exprY = new Expression(`x*(${this._canvas.yaxisstep})`)
+        let y1 = exprY.execute(1)
+        let exprX = new Expression(`x*(${this._canvas.xaxisstep})`)
+        let x1 = exprX.execute(1)
+        this.axesSteps = {
+            x: {
+                expression: exprX,
+                value: x1,
+                maxDraw: Math.ceil(Math.max(Math.abs(this.xmin), Math.abs(this.px2x(this.width)))/x1)
+            },
+            y: {
+                expression: exprY,
+                value: y1,
+                maxDraw: Math.ceil(Math.max(Math.abs(this.ymax), Math.abs(this.px2y(this.height)))/y1)
+            }
+        }
+    }
+
+    /**
+     * Resets the canvas to a blank one with default setting.
+     * @private
+     */
+    _reset(){
+        // Reset
+        this._ctx.fillStyle = "#FFFFFF"
+        this._ctx.strokeStyle = "#000000"
+        this._ctx.font = `${this.textsize}px sans-serif`
+        this._ctx.fillRect(0,0,this.width,this.height)
+    }
+    
+    /**
+     * Draws the grid.
+     * @private
+     */
+    _drawGrid() {
+        this._ctx.strokeStyle = "#C0C0C0"
+        if(this.logscalex) {
+            for(let xpow = -this.maxgradx; xpow <= this.maxgradx; xpow++) {
+                for(let xmulti = 1; xmulti < 10; xmulti++) {
+                    this.drawXLine(Math.pow(10, xpow)*xmulti)
+                }
+            }
+        } else {
+            for(let x = 0; x < this.axesSteps.x.maxDraw; x+=1) {
+                this.drawXLine(x*this.axesSteps.x.value)
+                this.drawXLine(-x*this.axesSteps.x.value)
+            }
+        }
+        for(let y = 0; y < this.axesSteps.y.maxDraw; y+=1) {
+            this.drawYLine(y*this.axesSteps.y.value)
+            this.drawYLine(-y*this.axesSteps.y.value)
+        }
+    }
+
+    /**
+     * Draws the graph axes.
+     * @private
+     */
+    _drawAxes() {
+        this._ctx.strokeStyle = "#000000"
+        let axisypos = this.logscalex ? 1 : 0
+        this.drawXLine(axisypos)
+        this.drawYLine(0)
+        let axisypx = this.x2px(axisypos) // X coordinate of Y axis
+        let axisxpx = this.y2px(0) // Y coordinate of X axis
+        // Drawing arrows
+        this.drawLine(axisypx, 0, axisypx-10, 10)
+        this.drawLine(axisypx, 0, axisypx+10, 10)
+        this.drawLine(this.width, axisxpx, this.width-10, axisxpx-10)
+        this.drawLine(this.width, axisxpx, this.width-10, axisxpx+10)
+    }
+
+    /**
+     * Resets the canvas to a blank one with default setting.
+     * @private
+     */
+    _drawLabels() {
+        let axisypx = this.x2px(this.logscalex ? 1 : 0) // X coordinate of Y axis
+        let axisxpx = this.y2px(0) // Y coordinate of X axis
+        // Labels
+        this._ctx.fillStyle = "#000000"
+        this._ctx.font = `${this.textsize}px sans-serif`
+        this._ctx.fillText(this.ylabel, axisypx+10, 24)
+        let textWidth = this._ctx.measureText(this.xlabel).width
+        this._ctx.fillText(this.xlabel, this.width-14-textWidth, axisxpx-5)
+        // Axis graduation labels
+        this._ctx.font = `${this.textsize-4}px sans-serif`
+
+        let txtMinus = this._ctx.measureText('-').width
+        if(this.showxgrad) {
+            if(this.logscalex) {
+                for(let xpow = -this.maxgradx; xpow <= this.maxgradx; xpow+=1) {
+                    textWidth = this._ctx.measureText("10"+textsup(xpow)).width
+                    if(xpow !== 0)
+                        this.drawVisibleText("10"+textsup(xpow), this.x2px(Math.pow(10,xpow))-textWidth/2, axisxpx+16+(6*(xpow===1)))
+                }
+            } else {
+                for(let x = 1; x < this.axesSteps.x.maxDraw; x += 1) {
+                    let drawX = x*this.axesSteps.x.value
+                    let txtX = this.axesSteps.x.expression.simplify(x).replace(/^\((.+)\)$/, '$1')
+                    let textHeight = this.measureText(txtX).height
+                    this.drawVisibleText(txtX, this.x2px(drawX)-4, axisxpx+this.textsize/2+textHeight)
+                    this.drawVisibleText('-'+txtX, this.x2px(-drawX)-4, axisxpx+this.textsize/2+textHeight)
+                }
+            }
+        }
+        if(this.showygrad) {
+            for(let y = 0; y < this.axesSteps.y.maxDraw; y += 1) {
+                let drawY = y*this.axesSteps.y.value
+                let txtY = this.axesSteps.y.expression.simplify(y).replace(/^\((.+)\)$/, '$1')
+                textWidth = this._ctx.measureText(txtY).width
+                this.drawVisibleText(txtY, axisypx-6-textWidth, this.y2px(drawY)+4+(10*(y===0)))
+                if(y !== 0)
+                    this.drawVisibleText('-'+txtY, axisypx-6-textWidth-txtMinus, this.y2px(-drawY)+4)
+            }
+        }
+        this._ctx.fillStyle = "#FFFFFF"
+    }
+
+    //
+    // Public functions
+    //
+
+    /**
+     * Draws an horizontal line at x plot coordinate.
+     * @param {number} x
+     */
+    drawXLine(x) {
+        if(this.isVisible(x, this.ymax)) {
+            this.drawLine(this.x2px(x), 0, this.x2px(x), this.height)
+        }
+    }
+
+    /**
+     * Draws an vertical line at y plot coordinate
+     * @param {number} y
+     * @private
+     */
+    drawYLine(y) {
+        if(this.isVisible(this.xmin, y)) {
+            this.drawLine(0, this.y2px(y), this.width, this.y2px(y))
+        }
+    }
+
+    /**
+     * Writes multiline text onto the canvas.
+     * NOTE: The x and y properties here are relative to the canvas, not the plot.
+     * @param {string} text
+     * @param {number} x
+     * @param {number} y
+     */
+    drawVisibleText(text, x, y) {
+        if(x > 0 && x < this.width && y > 0 && y < this.height) {
+            text.toString().split("\n").forEach((txt, i) => {
+                this._ctx.fillText(txt, x, y+(this.textsize*i))
+            })
+        }
+    }
+
+    /**
+     * Draws an image onto the canvas.
+     * NOTE: The x, y width and height properties here are relative to the canvas, not the plot.
+     * @param {CanvasImageSource} image
+     * @param {number} x
+     * @param {number} y
+     * @param {number} width
+     * @param {number} height
+     */
+    drawVisibleImage(image, x, y, width, height) {
+        this._canvas.markDirty(Qt.rect(x, y, width, height));
+        this._ctx.drawImage(image, x, y, width, height)
+    }
+
+    /**
+     * Measures the width and height of a multiline text that would be drawn onto the canvas.
+     * @param {string} text
+     * @returns {{width: number, height: number}}
+     */
+    measureText(text) {
+        let theight = 0
+        let twidth = 0
+        let defaultHeight = this.textsize * 1.2 // Approximate but good enough!
+        for(let txt of text.split("\n")) {
+            theight += defaultHeight
+            if(this._ctx.measureText(txt).width > twidth) twidth = this._ctx.measureText(txt).width
+        }
+        return {'width': twidth, 'height': theight}
+    }
+
+    /**
+     * Converts an x coordinate to its relative position on the canvas.
+     * It supports both logarithmic and non-logarithmic scale depending on the currently selected mode.
+     * @param {number} x
+     * @returns {number}
+     */
+    x2px(x) {
+        if(this.logscalex) {
+            let logxmin = Math.log(this.xmin)
+            return (Math.log(x)-logxmin)*this.xzoom
+        } else return (x - this.xmin)*this.xzoom
+    }
+
+    /**
+     * Converts an y coordinate to it's relative position on the canvas.
+     * The y-axis not supporting logarithmic scale, it only supports linear conversion.
+     * @param {number} y
+     * @returns {number}
+     */
+    y2px(y) {
+        return (this.ymax-y)*this.yzoom
+    }
+
+    /**
+     * Converts an x px position on the canvas to it's corresponding coordinate on the plot.
+     * It supports both logarithmic and non-logarithmic scale depending on the currently selected mode.
+     * @param {number} px
+     * @returns {number}
+     */
+    px2x(px) {
+        if(this.logscalex) {
+            return Math.exp(px/this.xzoom+Math.log(this.xmin))
+        } else return (px/this.xzoom+this.xmin)
+    }
+
+    /**
+     * Converts an x px position on the canvas to it's corresponding coordinate on the plot.
+     * It supports both logarithmic and non logarithmic scale depending on the currently selected mode.
+     * @param {number} px
+     * @returns {number}
+     */
+    px2y(px) {
+        return -(px/this.yzoom-this.ymax)
+    }
+
+    /**
+     * Checks whether a plot point (x, y) is visible or not on the canvas.
+     * @param {number} x
+     * @param {number} y
+     * @returns {boolean}
+     */
+    isVisible(x, y) {
+        return (this.x2px(x) >= 0 && this.x2px(x) <= this.width) && (this.y2px(y) >= 0 && this.y2px(y) <= this.height)
+    }
+
+    /**
+     * Draws a line from plot point (x1, y1) to plot point (x2, y2).
+     * @param {number} x1
+     * @param {number} y1
+     * @param {number} x2
+     * @param {number} y2
+     */
+    drawLine(x1, y1, x2, y2) {
+        this._ctx.beginPath();
+        this._ctx.moveTo(x1, y1);
+        this._ctx.lineTo(x2, y2);
+        this._ctx.stroke();
+    }
+
+    /**
+     * Draws a dashed line from plot point (x1, y1) to plot point (x2, y2).
+     * @param {number} x1
+     * @param {number} y1
+     * @param {number} x2
+     * @param {number} y2
+     * @param {number} dashPxSize
+     */
+    drawDashedLine(x1, y1, x2, y2, dashPxSize = 6) {
+        this._ctx.setLineDash([dashPxSize/2, dashPxSize]);
+        this.drawLine(x1, y1, x2, y2)
+        this._ctx.setLineDash([]);
+    }
+
+    /**
+     * Renders latex markup ltxText to an image and loads it. Returns a dictionary with three values: source, width and height.
+     * @param {string} ltxText
+     * @param {string} color
+     * @param {function({width: number, height: number, source: string})} callback
+     */
+    renderLatexImage(ltxText, color, callback) {
+        let [ltxSrc, ltxWidth, ltxHeight] = Latex.render(ltxText, this.textsize, color).split(",")
+        let imgData = {
+            "source": ltxSrc,
+            "width": parseFloat(ltxWidth),
+            "height": parseFloat(ltxHeight)
+        };
+        if(!this._canvas.isImageLoaded(ltxSrc) && !this._canvas.isImageLoading(ltxSrc)){
+            // Wait until the image is loaded to callback.
+            this._canvas.loadImage(ltxSrc)
+            this._canvas.imageLoaders[ltxSrc] = [callback, imgData]
+        } else {
+            // Callback directly
+            callback(imgData)
+        }
+    }
+
+    //
+    // Context methods
+    //
+
+    get font() { return this._ctx.font }
+    set font(value) { return this._ctx.font = value }
+
+    /**
+     * Draws an act on the canvas centered on a point.
+     * @param {number} x
+     * @param {number} y
+     * @param {number} radius
+     * @param {number} startAngle
+     * @param {number} endAngle
+     * @param {boolean} counterclockwise
+     */
+    arc(x, y, radius, startAngle, endAngle, counterclockwise=false) {
+        this._ctx.beginPath()
+        this._ctx.arc(x, y, radius, startAngle, endAngle, counterclockwise)
+        this._ctx.stroke()
+    }
+
+    /**
+     * Draws a filled circle centered on a point.
+     * @param {number} x
+     * @param {number} y
+     * @param {number} radius
+     */
+    disc(x, y, radius) {
+        this._ctx.beginPath();
+        this._ctx.arc(x, y, radius, 0, 2 * Math.PI)
+        this._ctx.fill();
+    }
+
+    /**
+     * Draws a filled rectangle onto the canvas.
+     * @param {number} x
+     * @param {number} y
+     * @param {number} w
+     * @param {number} h
+     */
+    fillRect(x, y, w, h) {
+        this._ctx.fillRect(x, y, w, h)
+    }
+}
+
+/** @type {CanvasAPI} */
+Modules.Canvas = Modules.Canvas || new CanvasAPI()
+export const API = Modules.Canvas

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/history/common.mjs

@@ -16,14 +16,14 @@
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import { RuntimeAPI } from "../runtime.mjs"
+import { Module } from "../modules.mjs"
 import Latex from "../math/latex.mjs"
 
 
-class HistoryCommonAPI extends RuntimeAPI {
+class HistoryCommonAPI extends Module {
     constructor() {
         super('History', [
-            Runtime.Latex
+            Modules.Latex
         ])
         // History QML object
         this.history = null;
@@ -31,12 +31,16 @@ class HistoryCommonAPI extends RuntimeAPI {
         this.imageDepth = 2;
         this.fontSize = 14;
     }
+
+    undo() { this.history.undo() }
+    redo() { this.history.redo() }
+    addToHistory(action) { this.history.addToHistory(action) }
 }
 
 /** @type {HistoryCommonAPI} */
-Runtime.History = Runtime.History || new HistoryCommonAPI()
+Modules.History = Modules.History || new HistoryCommonAPI()
 
-export const API = Runtime.History
+export const API = Modules.History
 
 export class Action {
     /**
@@ -95,7 +99,7 @@ export class Action {
      * @returns {string}
      */
     getIconRichText(type) {
-        return `<img source="../icons/objects/${type}.svg" style="color: ${Runtime.History.themeTextColor};" width=18 height=18></img>`
+        return `<img source="../icons/objects/${type}.svg" style="color: ${Modules.History.themeTextColor};" width=18 height=18></img>`
     }
     
     /**
@@ -107,11 +111,11 @@ export class Action {
     renderLatexAsHtml(latexString) {
         if(!Latex.enabled)
             throw new Error("Cannot render an item as LaTeX when LaTeX is disabled.")
-        let imgDepth = Runtime.History.imageDepth
+        let imgDepth = Modules.History.imageDepth
         let [src, width, height] = Latex.render(
             latexString,
-            imgDepth * (Runtime.History.fontSize + 2),
+            imgDepth * (Modules.History.fontSize + 2),
-            Runtime.History.themeTextColor
+            Modules.History.themeTextColor
         ).split(",")
         return `<img src="${src}" width="${parseInt(width)/imgDepth}" height="${parseInt(height)/imgDepth}" style="vertical-align: middle"/>`
     }

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/lib/expr-eval/integration.js

@@ -19,9 +19,7 @@
 .pragma library
 
 .import "expr-eval.js" as ExprEval
-.import "../../runtime.mjs" as R
+.import "../../modules.mjs" as M
-
-let RuntimeAPI = R.RuntimeAPI
 
 const evalVariables = {
     // Variables not provided by expr-eval.js, needs to be provided manually
@@ -38,11 +36,11 @@ const evalVariables = {
     "false": false
 }
 
-class ExprParserAPI extends RuntimeAPI {
+class ExprParserAPI extends M.Module {
     constructor() {
         super('ExprParser', [
             /** @type {ObjectsAPI} */
-            Runtime.Objects
+            Modules.Objects
         ])
         this.currentVars = {}
         this.Internals = ExprEval
@@ -115,7 +113,7 @@ class ExprParserAPI extends RuntimeAPI {
 }
 
 /** @type {ExprParserAPI} */
-Runtime.ExprParser = Runtime.ExprParser || new ExprParserAPI()
+Modules.ExprParser = Modules.ExprParser || new ExprParserAPI()
 
 
 

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/lib/qmlpolyfills.mjs

@@ -19,7 +19,7 @@
 // Type polyfills for IDEs.
 // Never directly imported.
 
-Runtime = Runtime || {}
+Modules = Modules || {}
 /** @type {function(string, string): string} */
 qsTranslate = qsTranslate || function(category, string) { throw new Error('qsTranslate not implemented.'); }
 /** @type {function(string): string} */
@@ -29,6 +29,19 @@ QT_TRANSLATE_NOOP = QT_TRANSLATE_NOOP || function(string, string) { throw new Er
 /** @type {function(string|boolean|int): string} */
 String.prototype.arg = String.prototype.arg || function(parameter) { throw new Error('arg not implemented.'); }
 
+const Qt = {
+    /**
+     * @param {number} x
+     * @param {number} y
+     * @param {number} width
+     * @param {number} height
+     * @returns {{x, width, y, height}}
+     */
+    rect: function(x, y, width, height) {
+        return {x: x, y: y, width: width, height: height};
+    }
+}
+
 /** Typehints for Helper. */
 const Helper = {
     /** @type {function(string): boolean} */

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/math/expression.mjs

@@ -25,16 +25,16 @@ import * as Utils from "../utils.mjs"
  */
 export class Expression {
     constructor(expr) {
-        if(!Runtime.ExprParser)
+        if(!Modules.ExprParser)
             throw new Error('Expression parser not initialized.')
-        if(!Runtime.Objects)
+        if(!Modules.Objects)
             throw new Error('Objects API not initialized.')
         this.expr = Utils.exponentsToExpression(expr)
-        this.calc = Runtime.ExprParser.parse(this.expr).simplify()
+        this.calc = Modules.ExprParser.parse(this.expr).simplify()
         this.cached = this.isConstant()
         this.cachedValue = null
         if(this.cached && this.allRequirementsFullfilled())
-            this.cachedValue = this.calc.evaluate(Runtime.Objects.currentObjectsByName)
+            this.cachedValue = this.calc.evaluate(Modules.Objects.currentObjectsByName)
         this.latexMarkup = Latex.expression(this.calc.tokens)
     }
     
@@ -48,26 +48,26 @@ export class Expression {
     }
     
     allRequirementsFullfilled() {
-        return this.requiredObjects().every(objName => objName in Runtime.Objects.currentObjectsByName)
+        return this.requiredObjects().every(objName => objName in Modules.Objects.currentObjectsByName)
     }
     
     undefinedVariables() {
-        return this.requiredObjects().filter(objName => !(objName in Runtime.Objects.currentObjectsByName))
+        return this.requiredObjects().filter(objName => !(objName in Modules.Objects.currentObjectsByName))
     }
     
     recache() {
         if(this.cached)
-            this.cachedValue = this.calc.evaluate(Runtime.Objects.currentObjectsByName)
+            this.cachedValue = this.calc.evaluate(Modules.Objects.currentObjectsByName)
     }
     
     execute(x = 1) {
         if(this.cached) {
             if(this.cachedValue == null)
-                this.cachedValue = this.calc.evaluate(Runtime.Objects.currentObjectsByName)
+                this.cachedValue = this.calc.evaluate(Modules.Objects.currentObjectsByName)
             return this.cachedValue
         }
-        Runtime.ExprParser.currentVars = Object.assign({'x': x}, Runtime.Objects.currentObjectsByName)
+        Modules.ExprParser.currentVars = Object.assign({'x': x}, Modules.Objects.currentObjectsByName)
-        return this.calc.evaluate(Runtime.ExprParser.currentVars)
+        return this.calc.evaluate(Modules.ExprParser.currentVars)
     }
     
     simplify(x) {

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/math/latex.mjs

@@ -16,7 +16,7 @@
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import { RuntimeAPI } from '../runtime.mjs'
+import { Module } from '../modules.mjs'
 
 const unicodechars = ["α","β","γ","δ","ε","ζ","η",
     "π","θ","κ","λ","μ","ξ","ρ",
@@ -39,13 +39,12 @@ const equivalchars = ["\\alpha","\\beta","\\gamma","\\delta","\\epsilon","\\zeta
     "{}_{4}","{}_{5}","{}_{6}","{}_{7}","{}_{8}","{}_{9}","{}_{0}",
     "\\pi", "\\infty"]
 
-console.log(Runtime.ExprParser)
 
-class LatexAPI extends RuntimeAPI {
+class LatexAPI extends Module {
     constructor() {
         super('Latex', [
             /** @type {ExprParserAPI} */
-            Runtime.ExprParser
+            Modules.ExprParser
         ])
         /**
          * true if latex has been enabled by the user, false otherwise.
@@ -161,18 +160,18 @@ class LatexAPI extends RuntimeAPI {
             let type = item.type
 
             switch(type) {
-                case Runtime.ExprParser.Internals.INUMBER:
+                case Modules.ExprParser.Internals.INUMBER:
                     if(item.value === Infinity) {
                         nstack.push("\\infty")
                     } else if(typeof item.value === 'number' && item.value < 0) {
                         nstack.push(this.par(item.value));
                     } else if(Array.isArray(item.value)) {
-                        nstack.push('[' + item.value.map(Runtime.ExprParser.Internals.escapeValue).join(', ') + ']');
+                        nstack.push('[' + item.value.map(Modules.ExprParser.Internals.escapeValue).join(', ') + ']');
                     } else {
-                        nstack.push(Runtime.ExprParser.Internals.escapeValue(item.value));
+                        nstack.push(Modules.ExprParser.Internals.escapeValue(item.value));
                     }
                     break;
-                case Runtime.ExprParser.Internals.IOP2:
+                case Modules.ExprParser.Internals.IOP2:
                     n2 = nstack.pop();
                     n1 = nstack.pop();
                     f = item.value;
@@ -211,7 +210,7 @@ class LatexAPI extends RuntimeAPI {
                             throw new EvalError("Unknown operator " + ope + ".");
                     }
                     break;
-                case Runtime.ExprParser.Internals.IOP3: // Thirdiary operator
+                case Modules.ExprParser.Internals.IOP3: // Thirdiary operator
                     n3 = nstack.pop();
                     n2 = nstack.pop();
                     n1 = nstack.pop();
@@ -222,11 +221,11 @@ class LatexAPI extends RuntimeAPI {
                         throw new EvalError('Unknown operator ' + ope + '.');
                     }
                     break;
-                case Runtime.ExprParser.Internals.IVAR:
+                case Modules.ExprParser.Internals.IVAR:
-                case Runtime.ExprParser.Internals.IVARNAME:
+                case Modules.ExprParser.Internals.IVARNAME:
                     nstack.push(this.variable(item.value.toString()));
                     break;
-                case Runtime.ExprParser.Internals.IOP1: // Unary operator
+                case Modules.ExprParser.Internals.IOP1: // Unary operator
                     n1 = nstack.pop();
                     f = item.value;
                     switch(f) {
@@ -242,7 +241,7 @@ class LatexAPI extends RuntimeAPI {
                             break;
                     }
                     break;
-                case Runtime.ExprParser.Internals.IFUNCALL:
+                case Modules.ExprParser.Internals.IFUNCALL:
                     argCount = item.value;
                     args = [];
                     while (argCount-- > 0) {
@@ -252,14 +251,14 @@ class LatexAPI extends RuntimeAPI {
                     // Handling various functions
                     nstack.push(this.functionToLatex(f, args))
                     break;
-                case Runtime.ExprParser.Internals.IFUNDEF:
+                case Modules.ExprParser.Internals.IFUNDEF:
                     nstack.push(this.par(n1 + '(' + args.join(', ') + ') = ' + n2));
                     break;
-                case Runtime.ExprParser.Internals.IMEMBER:
+                case Modules.ExprParser.Internals.IMEMBER:
                     n1 = nstack.pop();
                     nstack.push(n1 + '.' + item.value);
                     break;
-                case Runtime.ExprParser.Internals.IARRAY:
+                case Modules.ExprParser.Internals.IARRAY:
                     argCount = item.value;
                     args = [];
                     while (argCount-- > 0) {
@@ -267,10 +266,10 @@ class LatexAPI extends RuntimeAPI {
                     }
                     nstack.push('[' + args.join(', ') + ']');
                     break;
-                case Runtime.ExprParser.Internals.IEXPR:
+                case Modules.ExprParser.Internals.IEXPR:
                     nstack.push('(' + this.expression(item.value) + ')');
                     break;
-                case Runtime.ExprParser.Internals.IENDSTATEMENT:
+                case Modules.ExprParser.Internals.IENDSTATEMENT:
                     break;
                 default:
                     throw new EvalError('invalid Expression');
@@ -284,6 +283,6 @@ class LatexAPI extends RuntimeAPI {
 }
 
 /** @type {LatexAPI} */
-Runtime.Latex = Runtime.Latex || new LatexAPI()
+Modules.Latex = Modules.Latex || new LatexAPI()
 
-export default Runtime.Latex
+export default Modules.Latex

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/math/sequence.mjs

@@ -33,7 +33,7 @@ export class Sequence extends Expr.Expression {
         this.latexValues = Object.assign({}, baseValues)
         for(let n in this.calcValues)
             if(['string', 'number'].includes(typeof this.calcValues[n])) {
-                let parsed = Runtime.ExprParser.parse(this.calcValues[n].toString()).simplify()
+                let parsed = Modules.ExprParser.parse(this.calcValues[n].toString()).simplify()
                 this.latexValues[n] = Latex.expression(parsed.tokens)
                 this.calcValues[n] = parsed.evaluate()
             }
@@ -60,17 +60,17 @@ export class Sequence extends Expr.Expression {
     
     cache(n = 1) {
         let str = Utils.simplifyExpression(this.calc.substitute('n', n-this.valuePlus).toString())
-        let expr = Runtime.ExprParser.parse(str).simplify()
+        let expr = Modules.ExprParser.parse(str).simplify()
         // Cache values required for this one.
         if(!this.calcValues[n-this.valuePlus] && n-this.valuePlus > 0)
             this.cache(n-this.valuePlus)
         // Setting current variables
-        Runtime.ExprParser.currentVars = Object.assign(
+        Modules.ExprParser.currentVars = Object.assign(
             {'n': n-this.valuePlus}, // Just in case, add n (for custom functions)
-            Runtime.Objects.currentObjectsByName,
+            Modules.Objects.currentObjectsByName,
             {[this.name]: this.calcValues}
         )
-        this.calcValues[n] = expr.evaluate(Runtime.ExprParser.currentVars)
+        this.calcValues[n] = expr.evaluate(Modules.ExprParser.currentVars)
     }
     
     toString(forceSign=false) {

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/modules.mjs

@@ -19,12 +19,12 @@
 /**
  * Base class for global APIs in runtime.
  */
-export class RuntimeAPI {
+export class Module {
 
     /**
      *
      * @param {string} name - Name of the API
-     * @param {(RuntimeAPI|undefined)[]} requires - List of APIs required to initialize this one.
+     * @param {(Module|undefined)[]} requires - List of APIs required to initialize this one.
      */
     constructor(name, requires = []) {
         console.log(`Loading module ${name}...`)
@@ -33,7 +33,7 @@ export class RuntimeAPI {
 
     /**
      * Checks if all requirements are defined.
-     * @param {(RuntimeAPI|undefined)[]} requires
+     * @param {(Module|undefined)[]} requires
      * @param {string} name
      */
     __check_requirements(requires, name) {

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objects.mjs

@@ -16,9 +16,9 @@
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import { RuntimeAPI } from './runtime.mjs'
+import { Module } from './modules.mjs'
 
-class ObjectsAPI extends RuntimeAPI {
+class ObjectsAPI extends Module {
 
     constructor() {
         super('Objects')
@@ -107,6 +107,6 @@ class ObjectsAPI extends RuntimeAPI {
 }
 
 /** @type {ObjectsAPI} */
-Runtime.Objects = Runtime.Objects || new ObjectsAPI()
+Modules.Objects = Modules.Objects || new ObjectsAPI()
 
-export default Runtime.Objects
+export default Modules.Objects

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objs/autoload.mjs

@@ -28,7 +28,7 @@ import XCursor from "xcursor.mjs"
 import Sequence from "sequence.mjs"
 import RepartitionFunction from "repartition.mjs"
 
-if(Object.keys(Runtime.Objects.types).length === 0) {
+if(Object.keys(Modules.Objects.types).length === 0) {
     ObjectsCommonAPI.registerObject(Point)
     ObjectsCommonAPI.registerObject(Text)
     ObjectsCommonAPI.registerObject(Function)

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objs/common.mjs

@@ -19,17 +19,17 @@
 import { getRandomColor, textsub } from "../utils.mjs"
 import Objects from "../objects.mjs"
 import Latex from "../math/latex.mjs"
-import {RuntimeAPI} from "../runtime.mjs"
+import {Module} from "../modules.mjs"
 
 // This file contains the default data to be imported from all other objects
 
-class ObjectsCommonAPI extends RuntimeAPI {
+class ObjectsCommonAPI extends Module {
 
     constructor() {
         super('ObjectsCommon', [
-            Runtime.Objects,
+            Modules.Objects,
-            Runtime.ExprParser,
+            Modules.ExprParser,
-            Runtime.Latex
+            Modules.Latex
         ])
     }
 
@@ -72,9 +72,9 @@ class ObjectsCommonAPI extends RuntimeAPI {
 }
 
 /** @type {ObjectsCommonAPI} */
-Runtime.ObjectsCommon = Runtime.ObjectsCommon || new ObjectsCommonAPI()
+Modules.ObjectsCommon = Modules.ObjectsCommon || new ObjectsCommonAPI()
 
-export const API = Runtime.ObjectsCommon
+export const API = Modules.ObjectsCommon
 
 /**
  * Class to extend for every type of object that
@@ -269,18 +269,17 @@ export class DrawableObject {
         for(let toRemove of this.requiredBy) { // Normally, there should be none here, but better leave nothing just in case.
             Objects.deleteObject(toRemove.name)
         }
-        console.log(this.requires)
         for(let toRemoveFrom of this.requires) {
             toRemoveFrom.requiredBy = toRemoveFrom.requiredBy.filter(o => o !== this)
         }
     }
     
     /**
-     * Abstract method. Draw the object onto the \c canvas with the 2D context \c ctx.
+     * Abstract method. Draw the object onto the \c canvas with the.
-     * @param {Canvas} canvas
+     * @param {CanvasAPI} canvas
      * @param {CanvasRenderingContext2D} ctx
      */
-    draw(canvas, ctx) {}
+    draw(canvas) {}
     
     /**
      * Applicates a \c drawFunction with two position arguments depending on 
@@ -343,7 +342,7 @@ export class DrawableObject {
      * Then, it's displayed using the \c drawFunctionLatex (x,y,imageData) and
      * \c drawFunctionText (x,y,text) depending on whether to use latex.
      * 
-     * @param {Canvas} canvas
+     * @param {CanvasAPI} canvas
      * @param {CanvasRenderingContext2D} ctx
      * @param {string|Enum} labelPosition - Position of the label relative to the marked position
      * @param {number} posX - Component of the marked position on the x-axis 
@@ -354,7 +353,7 @@ export class DrawableObject {
      * @param {function|null} drawFunctionLatex - Function (x,y,imageData) to display the latex image
      * @param {function|null} drawFunctionText - Function (x,y,text,textSize) to display the text
      */
-    drawLabel(canvas, ctx, labelPosition, posX, posY,forceText = false,
+    drawLabel(canvas, labelPosition, posX, posY,forceText = false,
               getLatexFunction = null, getTextFunction = null, drawFunctionLatex = null, drawFunctionText = null) {
         // Default functions
         if(getLatexFunction == null)
@@ -362,25 +361,25 @@ export class DrawableObject {
         if(getTextFunction == null)
             getTextFunction = this.getLabel.bind(this)
         if(drawFunctionLatex == null)
-            drawFunctionLatex = (x,y,ltxImg) => canvas.drawVisibleImage(ctx, ltxImg.source, x, y, ltxImg.width, ltxImg.height)
+            drawFunctionLatex = (x,y,ltxImg) => canvas.drawVisibleImage(ltxImg.source, x, y, ltxImg.width, ltxImg.height)
         if(drawFunctionText == null)
-            drawFunctionText = (x,y,text,textSize) => canvas.drawVisibleText(ctx, text, x, y+textSize.height) // Positioned from left bottom
+            drawFunctionText = (x,y,text,textSize) => canvas.drawVisibleText(text, x, y+textSize.height) // Positioned from left bottom
         // Drawing the label
         let offset
         if(!forceText && Latex.enabled) {
             // With latex
-            let drawLblCb = function(canvas, ctx, ltxImg) {
+            let drawLblCb = ((ltxImg) => {
-                this.drawPositionDivergence(labelPosition, 8+ctx.lineWidth/2, ltxImg, posX, posY, (x,y) => drawFunctionLatex(x,y,ltxImg))
+                this.drawPositionDivergence(labelPosition, 8+canvas.linewidth/2, ltxImg, posX, posY, (x,y) => drawFunctionLatex(x,y,ltxImg))
-            }
+            }).bind(this)
             let ltxLabel = getLatexFunction();
-            if(ltxLabel != "")
+            if(ltxLabel !== "")
                 canvas.renderLatexImage(ltxLabel, this.color, drawLblCb.bind(this))
         } else {
             // Without latex
             let text = getTextFunction()
-            ctx.font = `${canvas.textsize}px sans-serif`
+            canvas.font = `${canvas.textsize}px sans-serif`
-            let textSize = canvas.measureText(ctx, text)
+            let textSize = canvas.measureText(text)
-            this.drawPositionDivergence(labelPosition, 8+ctx.lineWidth/2, textSize, posX, posY, (x,y) => drawFunctionText(x,y,text,textSize))
+            this.drawPositionDivergence(labelPosition, 8+canvas.linewidth/2, textSize, posX, posY, (x,y) => drawFunctionText(x,y,text,textSize))
         }
     }
     

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objs/function.mjs

@@ -104,17 +104,17 @@ export default class Function extends ExecutableObject {
         return ''
     }
     
-    draw(canvas, ctx) {
+    draw(canvas) {
-        Function.drawFunction(canvas, ctx, this.expression, this.definitionDomain, this.destinationDomain, this.drawPoints, this.drawDashedLines)
+        Function.drawFunction(canvas, this.expression, this.definitionDomain, this.destinationDomain, this.drawPoints, this.drawDashedLines)
         // Label
-        this.drawLabel(canvas, ctx, this.labelPosition, canvas.x2px(this.labelX), canvas.y2px(this.execute(this.labelX)))
+        this.drawLabel(canvas, this.labelPosition, canvas.x2px(this.labelX), canvas.y2px(this.execute(this.labelX)))
     }
 
     /**
      * Reusable in other objects.
      * Drawing small traits every few pixels
      */
-    static drawFunction(canvas, ctx, expr, definitionDomain, destinationDomain, drawPoints = true, drawDash = true) {
+    static drawFunction(canvas, expr, definitionDomain, destinationDomain, drawPoints = true, drawDash = true) {
         let pxprecision = 10
         let previousX = canvas.px2x(0)
         let previousY = null;
@@ -124,7 +124,7 @@ export default class Function extends ExecutableObject {
             if(previousX === null) previousX = definitionDomain.next(canvas.px2x(0))
             previousY = expr.execute(previousX)
             if(!drawPoints && !drawDash) return
-            while(previousX !== null && canvas.x2px(previousX) < canvas.canvasSize.width) {
+            while(previousX !== null && canvas.x2px(previousX) < canvas.width) {
                 // Reconverted for canvas to fix for logarithmic scales.
                 let currentX = definitionDomain.next(canvas.px2x(canvas.x2px(previousX)+pxprecision));
                 let currentY = expr.execute(currentX)
@@ -132,10 +132,10 @@ export default class Function extends ExecutableObject {
                 if((definitionDomain.includes(currentX) || definitionDomain.includes(previousX)) &&
                     (destinationDomain.includes(currentY) || destinationDomain.includes(previousY))) {
                     if(drawDash)
-                        canvas.drawDashedLine(ctx, canvas.x2px(previousX), canvas.y2px(previousY), canvas.x2px(currentX), canvas.y2px(currentY))
+                        canvas.drawDashedLine(canvas.x2px(previousX), canvas.y2px(previousY), canvas.x2px(currentX), canvas.y2px(currentY))
                     if(drawPoints) {
-                        ctx.fillRect(canvas.x2px(previousX)-5, canvas.y2px(previousY)-1, 10, 2)
+                        canvas.fillRect(canvas.x2px(previousX)-5, canvas.y2px(previousY)-1, 10, 2)
-                        ctx.fillRect(canvas.x2px(previousX)-1, canvas.y2px(previousY)-5, 2, 10)
+                        canvas.fillRect(canvas.x2px(previousX)-1, canvas.y2px(previousY)-5, 2, 10)
                     }
                 }
                 previousX = currentX
@@ -143,8 +143,8 @@ export default class Function extends ExecutableObject {
             }
             if(drawPoints) {
                 // Drawing the last cross
-                ctx.fillRect(canvas.x2px(previousX)-5, canvas.y2px(previousY)-1, 10, 2)
+                canvas.fillRect(canvas.x2px(previousX)-5, canvas.y2px(previousY)-1, 10, 2)
-                ctx.fillRect(canvas.x2px(previousX)-1, canvas.y2px(previousY)-5, 2, 10)
+                canvas.fillRect(canvas.x2px(previousX)-1, canvas.y2px(previousY)-5, 2, 10)
             }
         } else {
             // Use max precision if function is trigonometrical on log scale.
@@ -154,7 +154,7 @@ export default class Function extends ExecutableObject {
             // Calculate the previousY at the start of the canvas
             if(definitionDomain.includes(previousX))
                 previousY = expr.execute(previousX)
-            for(let px = pxprecision; px < canvas.canvasSize.width; px += pxprecision) {
+            for(let px = pxprecision; px < canvas.width; px += pxprecision) {
                 let currentX = canvas.px2x(px)
                 if(!definitionDomain.includes(previousX) && definitionDomain.includes(currentX)) {
                     // Should draw up to currentX, but NOT at previousX.
@@ -176,12 +176,12 @@ export default class Function extends ExecutableObject {
                     } while(!definitionDomain.includes(currentX) && currentX !== previousX)
                 }
                 // This max variation is needed for functions with asymptotical vertical lines (e.g. 1/x, tan x...)
-                let maxvariation = (canvas.px2y(0)-canvas.px2y(canvas.canvasSize.height))
+                let maxvariation = (canvas.px2y(0)-canvas.px2y(canvas.height))
                 if(definitionDomain.includes(previousX) && definitionDomain.includes(currentX)) {
                     let currentY = expr.execute(currentX)
                     if(destinationDomain.includes(currentY)) {
                         if(previousY != null && destinationDomain.includes(previousY) && Math.abs(previousY-currentY) < maxvariation) {
-                            canvas.drawLine(ctx, canvas.x2px(previousX), canvas.y2px(previousY), canvas.x2px(currentX), canvas.y2px(currentY))
+                            canvas.drawLine(canvas.x2px(previousX), canvas.y2px(previousY), canvas.x2px(currentX), canvas.y2px(currentY))
                         }
                     }
                     previousY = currentY

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objs/gainbode.mjs

@@ -52,12 +52,13 @@ export default class GainBode extends ExecutableObject {
             if(om_0 == null) {
                 // Create new point
                 om_0 = Objects.createNewRegisteredObject('Point', [Common.getNewName('ω'), true, this.color, 'name'])
-                HistoryAPI.history.addToHistory(new CreateNewObject(om_0.name, 'Point', om_0.export()))
+                HistoryAPI.addToHistory(new CreateNewObject(om_0.name, 'Point', om_0.export()))
                 om_0.update()
                 labelPosition = 'below'
             }
             om_0.requiredBy.push(this)
         }
+        /** @type {Point} */
         this.om_0 = om_0
         this.pass = pass
         if(typeof gain == 'number' || typeof gain == 'string') gain = new Expression(gain.toString())
@@ -98,7 +99,7 @@ export default class GainBode extends ExecutableObject {
     simplify(x = 1) {
         let xval = x
         if(typeof x == 'string') xval = executeExpression(x)
-        if((this.pass === 'high' && xval < this.om_0.x) || (this.pass === 'low' && xval > this.om_0.x)) {
+        if((this.pass === 'high' && xval < this.om_0.x.execute()) || (this.pass === 'low' && xval > this.om_0.x.execute())) {
             let dbfn = new Expression(`${this.gain.execute()}*(ln(x)-ln(${this.om_0.x}))/ln(10)+${this.om_0.y}`)
             return dbfn.simplify(x)
         } else {
@@ -110,29 +111,29 @@ export default class GainBode extends ExecutableObject {
         return true
     }
     
-    draw(canvas, ctx) {
+    draw(canvas) {
-        let base = [canvas.x2px(this.om_0.x), canvas.y2px(this.om_0.y)]
+        let base = [canvas.x2px(this.om_0.x.execute()), canvas.y2px(this.om_0.y.execute())]
         let dbfn = new Expression(`${this.gain.execute()}*(log10(x)-log10(${this.om_0.x}))+${this.om_0.y}`)
         let inDrawDom = new EmptySet()
 
         if(this.pass === 'high') {
             // High pass, linear line from beginning, then constant to the end.
-            canvas.drawLine(ctx, base[0], base[1], canvas.canvasSize.width, base[1])
+            canvas.drawLine(base[0], base[1], canvas.width, base[1])
             inDrawDom = parseDomain(`]-inf;${this.om_0.x}[`)
         } else {
             // Low pass, constant from the beginning, linear line to the end.
-            canvas.drawLine(ctx, base[0], base[1], 0, base[1])
+            canvas.drawLine(base[0], base[1], 0, base[1])
             inDrawDom = parseDomain(`]${this.om_0.x};+inf[`)
         }
-        Function.drawFunction(canvas, ctx, dbfn, inDrawDom, Domain.R)
+        Function.drawFunction(canvas, dbfn, inDrawDom, Domain.R)
         // Dashed line representing break in function
-        var xpos = canvas.x2px(this.om_0.x.execute())
+        let xpos = canvas.x2px(this.om_0.x.execute())
-        var dashPxSize = 10
+        let dashPxSize = 10
-        for(var i = 0; i < canvas.canvasSize.height && this.omGraduation; i += dashPxSize*2)
+        for(let i = 0; i < canvas.height && this.omGraduation; i += dashPxSize*2)
-            canvas.drawLine(ctx, xpos, i, xpos, i+dashPxSize)
+            canvas.drawLine(xpos, i, xpos, i+dashPxSize)
             
         // Label
-        this.drawLabel(canvas, ctx, this.labelPosition, canvas.x2px(this.labelX), canvas.y2px(this.execute(this.labelX)))
+        this.drawLabel(canvas, this.labelPosition, canvas.x2px(this.labelX), canvas.y2px(this.execute(this.labelX)))
     }
     
     update() {

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objs/phasebode.mjs

@@ -57,6 +57,7 @@ export default class PhaseBode extends ExecutableObject {
             }
             om_0.requiredBy.push(this)
         }
+        /** @type {Point} */
         this.om_0 = om_0
         this.unit = unit
         this.labelPosition = labelPosition
@@ -100,21 +101,21 @@ export default class PhaseBode extends ExecutableObject {
         return true
     }
     
-    draw(canvas, ctx) {
+    draw(canvas) {
         let baseX = canvas.x2px(this.om_0.x.execute())
         let omy = this.om_0.y.execute()
         let augmt = this.phase.execute()
         let baseY = canvas.y2px(omy)
         let augmtY = canvas.y2px(omy+augmt)
         // Before change line.
-        canvas.drawLine(ctx, 0, baseY, Math.min(baseX, canvas.canvasSize.height), baseY)
+        canvas.drawLine(0, baseY, Math.min(baseX, canvas.height), baseY)
         // Transition line.
-        canvas.drawLine(ctx, baseX, baseY, baseX, augmtY)
+        canvas.drawLine(baseX, baseY, baseX, augmtY)
         // After change line
-        canvas.drawLine(ctx, Math.max(0, baseX), augmtY, canvas.canvasSize.width, augmtY)
+        canvas.drawLine(Math.max(0, baseX), augmtY, canvas.width, augmtY)
         
         // Label
-        this.drawLabel(canvas, ctx, this.labelPosition, canvas.x2px(this.labelX), canvas.y2px(this.execute(this.labelX)))
+        this.drawLabel(canvas, this.labelPosition, canvas.x2px(this.labelX), canvas.y2px(this.execute(this.labelX)))
     }
     
     update() {

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objs/point.mjs

@@ -58,24 +58,22 @@ export default class Point extends DrawableObject  {
         return [this.name, this.visible, this.color.toString(), this.labelContent, this.x.toEditableString(), this.y.toEditableString(), this.labelPosition, this.pointStyle]
     }
     
-    draw(canvas, ctx) {
+    draw(canvas) {
-        var [canvasX, canvasY] = [canvas.x2px(this.x.execute()), canvas.y2px(this.y.execute())]
+        let [canvasX, canvasY] = [canvas.x2px(this.x.execute()), canvas.y2px(this.y.execute())]
-        var pointSize = 8+(ctx.lineWidth*2)
+        let pointSize = 8+(canvas.linewidth*2)
         switch(this.pointStyle) {
             case '●':
-                ctx.beginPath();
+                canvas.disc(canvasX, canvasY, pointSize/2)
-                ctx.ellipse(canvasX-pointSize/2, canvasY-pointSize/2, pointSize, pointSize)
-                ctx.fill();
                 break;
             case '✕':
-                canvas.drawLine(ctx, 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)
-                canvas.drawLine(ctx, 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 '＋':
-                ctx.fillRect(canvasX-pointSize/2, canvasY-1, pointSize, 2)
+                canvas.fillRect(canvasX-pointSize/2, canvasY-1, pointSize, 2)
-                ctx.fillRect(canvasX-1, canvasY-pointSize/2, 2, pointSize)
+                canvas.fillRect(canvasX-1, canvasY-pointSize/2, 2, pointSize)
                 break;
         }
-        this.drawLabel(canvas, ctx, this.labelPosition, canvasX, canvasY)
+        this.drawLabel(canvas, this.labelPosition, canvasX, canvasY)
     }
 }

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objs/repartition.mjs

@@ -92,61 +92,51 @@ export default class RepartitionFunction extends ExecutableObject {
         }
     }
     
-    draw(canvas, ctx) {
+    draw(canvas) {
         let currentY = 0;
         let keys = Object.keys(this.probabilities).map(idx => parseInt(idx)).sort((a,b) => a-b)
         if(canvas.isVisible(keys[0],this.probabilities[keys[0]].replace(/,/g, '.'))) {
-            canvas.drawLine(ctx, 
+            canvas.drawLine(0, canvas.y2px(0), canvas.x2px(keys[0]), canvas.y2px(0))
-                0,
-                canvas.y2px(0),
-                canvas.x2px(keys[0]),
-                canvas.y2px(0)
-            )
             if(canvas.isVisible(keys[0],0)) {
-                ctx.beginPath();
+                canvas.arc(canvas.x2px(keys[0])+4,canvas.y2px(0), 4, Math.PI / 2, 3 * Math.PI / 2);
-                ctx.arc(canvas.x2px(keys[0])+4,canvas.y2px(0), 4, Math.PI / 2, 3 * Math.PI / 2);
-                ctx.stroke();
             }
         }
         for(let i = 0; i < keys.length-1; i++) {
             let idx = keys[i];
             currentY += parseFloat(this.probabilities[idx].replace(/,/g, '.'));
             if(canvas.isVisible(idx,currentY) || canvas.isVisible(keys[i+1],currentY)) {
-                canvas.drawLine(ctx,
+                canvas.drawLine(
                     Math.max(0,canvas.x2px(idx)),
                     canvas.y2px(currentY),
-                    Math.min(canvas.canvasSize.width,canvas.x2px(keys[i+1])),
+                    Math.min(canvas.width,canvas.x2px(keys[i+1])),
                     canvas.y2px(currentY)
                 )
                 if(canvas.isVisible(idx,currentY)) {
-                    ctx.beginPath();
+                    canvas.disc(canvas.x2px(idx), canvas.y2px(currentY), 4)
-                    ctx.arc(canvas.x2px(idx),canvas.y2px(currentY), 4, 0, 2 * Math.PI);
-                    ctx.fill();
                 }
                 if(canvas.isVisible(keys[i+1],currentY)) {
-                    ctx.beginPath();
+                    canvas.arc(canvas.x2px(keys[i+1])+4,canvas.y2px(currentY), 4, Math.PI / 2, 3 * Math.PI / 2);
-                    ctx.arc(canvas.x2px(keys[i+1])+4,canvas.y2px(currentY), 4, Math.PI / 2, 3 * Math.PI / 2);
-                    ctx.stroke();
                 }
             }
         }
         if(canvas.isVisible(keys[keys.length-1],currentY+parseFloat(this.probabilities[keys[keys.length-1]]))) {
-            canvas.drawLine(ctx, 
+            canvas.drawLine(
                 Math.max(0,canvas.x2px(keys[keys.length-1])),
                 canvas.y2px(currentY+parseFloat(this.probabilities[keys[keys.length-1]].replace(/,/g, '.'))),
-                canvas.canvasSize.width,
+                canvas.width,
                 canvas.y2px(currentY+parseFloat(this.probabilities[keys[keys.length-1]].replace(/,/g, '.')))
             )
-            ctx.beginPath();
+            canvas.disc(
-            ctx.arc(
                 canvas.x2px(keys[keys.length-1]),
-                    canvas.y2px(currentY+parseFloat(this.probabilities[keys[keys.length-1]].replace(/,/g, '.'))), 
+                canvas.y2px(
-                    4, 0, 2 * Math.PI);
+                    currentY+parseFloat(this.probabilities[keys[keys.length-1]].replace(/,/g, '.'))
-            ctx.fill();
+                ),
+                4
+            )
         }
         
         // Label
-        this.drawLabel(canvas, ctx, this.labelPosition, canvas.x2px(this.labelX), canvas.y2px(this.execute(this.labelX)))
+        this.drawLabel(canvas, this.labelPosition, canvas.x2px(this.labelX), canvas.y2px(this.execute(this.labelX)))
     }
 }
 

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objs/sequence.mjs

@@ -123,11 +123,11 @@ export default class Sequence extends ExecutableObject {
         }
     }
     
-    draw(canvas, ctx) {
+    draw(canvas) {
-        Function.drawFunction(canvas, ctx, this.sequence, canvas.logscalex ? Domain.NE : Domain.N, Domain.R, this.drawPoints, this.drawDashedLines)
+        Function.drawFunction(canvas, this.sequence, canvas.logscalex ? Domain.NE : Domain.N, Domain.R, this.drawPoints, this.drawDashedLines)
         
         // Label
-        this.drawLabel(canvas, ctx, this.labelPosition, canvas.x2px(this.labelX), canvas.y2px(this.execute(this.labelX)))
+        this.drawLabel(canvas, this.labelPosition, canvas.x2px(this.labelX), canvas.y2px(this.execute(this.labelX)))
     }
 }
 

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objs/sommegainsbode.mjs

@@ -89,7 +89,7 @@ export default class SommeGainsBode extends ExecutableObject {
             let baseY = 0
             let om0xGains = {1000000000: 0} // To draw the last part
             let om0xPass = {1000000000: 'high'} // To draw the last part
-            Objects.currentObjects['Gain Bode'].forEach(function(gainObj) { // Sorting by their om_0 position.
+            for(/** @type {GainBode} */ let gainObj of Objects.currentObjects['Gain Bode']) { // Sorting by their om_0 position.
                 let om0x = gainObj.om_0.x.execute()
                 if(om0xGains[om0x] === undefined) {
                     om0xGains[om0x] = gainObj.gain.execute()
@@ -99,7 +99,7 @@ export default class SommeGainsBode extends ExecutableObject {
                     om0xPass[om0x+0.001] = gainObj.pass === 'high'
                 }
                 baseY += gainObj.execute(drawMin)
-            })
+            }
             // Sorting the om_0x
             let om0xList = Object.keys(om0xGains).map(x => parseFloat(x)) // THEY WERE CONVERTED TO STRINGS...
             om0xList.sort((a,b) => a - b)
@@ -130,13 +130,13 @@ export default class SommeGainsBode extends ExecutableObject {
         }
     }
     
-    draw(canvas, ctx) {
+    draw(canvas) {
         if(this.cachedParts.length > 0) {
             for(let [dbfn, inDrawDom] of this.cachedParts) {
-                Function.drawFunction(canvas, ctx, dbfn, inDrawDom, Domain.R)
+                Function.drawFunction(canvas, dbfn, inDrawDom, Domain.R)
                 if(inDrawDom.includes(this.labelX)) {
                     // Label
-                    this.drawLabel(canvas, ctx, this.labelPosition, canvas.x2px(this.labelX), canvas.y2px(this.execute(this.labelX)))
+                    this.drawLabel(canvas, this.labelPosition, canvas.x2px(this.labelX), canvas.y2px(this.execute(this.labelX)))
                 }
             }
         }

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objs/sommephasesbode.mjs

@@ -89,7 +89,7 @@ export default class SommePhasesBode extends ExecutableObject {
         
         if(Objects.currentObjects['Phase Bode'] !== undefined) {
             console.log('Recalculating cache phase')
-            for(let obj of Objects.currentObjects['Phase Bode']) {
+            for(/** @type {PhaseBode} */ let obj of Objects.currentObjects['Phase Bode']) {
                 this.om0xList.push(obj.om_0.x.execute())
                 if(phasesDict[obj.om_0.x.execute()] === undefined) {
                     phasesDict[obj.om_0.x.execute()] = obj.phase.execute()
@@ -110,18 +110,18 @@ export default class SommePhasesBode extends ExecutableObject {
         }
     }
     
-    draw(canvas, ctx) {
+    draw(canvas) {
         for(let i = 0; i < this.om0xList.length-1; i++) {
             let om0xBegin = canvas.x2px(this.om0xList[i])
             let om0xEnd = canvas.x2px(this.om0xList[i+1])
             let baseY = canvas.y2px(this.phasesList[i])
             let nextY = canvas.y2px(this.phasesList[i+1])
-            canvas.drawLine(ctx, om0xBegin, baseY, om0xEnd, baseY)
+            canvas.drawLine(om0xBegin, baseY, om0xEnd, baseY)
-            canvas.drawLine(ctx, om0xEnd, baseY, om0xEnd, nextY)
+            canvas.drawLine(om0xEnd, baseY, om0xEnd, nextY)
         }
         
         // Label
-        this.drawLabel(canvas, ctx, this.labelPosition, canvas.x2px(this.labelX), canvas.y2px(this.execute(this.labelX)))
+        this.drawLabel(canvas, this.labelPosition, canvas.x2px(this.labelX), canvas.y2px(this.execute(this.labelX)))
     }
 }
 

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objs/text.mjs

@@ -90,9 +90,9 @@ export default class Text extends DrawableObject  {
         return `\\textsf{${this.latexMarkupText()}}`
     }
     
-    draw(canvas, ctx) {
+    draw(canvas) {
         let yOffset = this.disableLatex ? canvas.textsize-4 : 0
-        this.drawLabel(canvas, ctx, this.labelPosition, canvas.x2px(this.x.execute()), canvas.y2px(this.y.execute())+yOffset, this.disableLatex)
+        this.drawLabel(canvas, this.labelPosition, canvas.x2px(this.x.execute()), canvas.y2px(this.y.execute())+yOffset, this.disableLatex)
     }
 }
 

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objs/xcursor.mjs

@@ -91,8 +91,8 @@ export default class XCursor extends DrawableObject {
     }
     
     getTargetValueLatexLabel() {
-        var t = this.targetElement
+        let t = this.targetElement
-        var approx = ''
+        let approx = ''
         if(this.approximate) {
             approx = t.execute(this.x.execute())
             approx = approx.toPrecision(this.rounding + Math.round(approx).toString().length)
@@ -142,39 +142,35 @@ export default class XCursor extends DrawableObject {
         }
     }
     
-    draw(canvas, ctx) {
+    draw(canvas) {
         let xpos = canvas.x2px(this.x.execute())
         switch(this.displayStyle) {
             case '— — — — — — —':
-                var dashPxSize = 10
+                canvas.drawDashedLine(xpos, 0, xpos, canvas.height, 20)
-                for(var i = 0; i < canvas.canvasSize.height; i += dashPxSize*2)
-                    canvas.drawLine(ctx, xpos, i, xpos, i+dashPxSize)
                 break;
             case '⸺⸺⸺⸺⸺⸺':
-                canvas.drawXLine(ctx, this.x.execute())
+                canvas.drawXLine(this.x.execute())
                 break;
             case '• • • • • • • • • •':
-                var pointDistancePx = 10
+                let pointDistancePx = 10
-                var pointSize = 2
+                let pointSize = 2
-                ctx.beginPath();
+                for(let i = 0; i < canvas.height; i += pointDistancePx)
-                for(var i = 0; i < canvas.canvasSize.height; i += pointDistancePx)
+                    canvas.disc(xpos, i, pointSize)
-                    ctx.ellipse(xpos-pointSize/2, i-pointSize/2, pointSize, pointSize)
-                ctx.fill();
                 break;
         }
         
         // Drawing label at the top of the canvas.
-        this.drawLabel(canvas, ctx, this.labelPosition, xpos, 0, false, null, null,
+        this.drawLabel(canvas, this.labelPosition, xpos, 0, false, null, null,
-                       (x,y,ltxImg) => canvas.drawVisibleImage(ctx, ltxImg.source, x, 5, ltxImg.width, ltxImg.height),
+                       (x,y,ltxImg) => canvas.drawVisibleImage(ltxImg.source, x, 5, ltxImg.width, ltxImg.height),
-                       (x,y,text,textSize) => canvas.drawVisibleText(ctx, text, x, textSize.height+5))
+                       (x,y,text,textSize) => canvas.drawVisibleText(text, x, textSize.height+5))
         
         // Drawing label at the position of the target element.
         if(this.targetValuePosition === 'Next to target' && this.targetElement != null) {
             let ypos = canvas.y2px(this.targetElement.execute(this.x.execute()))
-            this.drawLabel(canvas, ctx, this.labelPosition, xpos, ypos, false,
+            this.drawLabel(canvas, this.labelPosition, xpos, ypos, false,
                            this.getTargetValueLatexLabel.bind(this), this.getTargetValueLabel.bind(this),
-                           (x,y,ltxImg) => canvas.drawVisibleImage(ctx, ltxImg.source, x, y, ltxImg.width, ltxImg.height),
+                           (x,y,ltxImg) => canvas.drawVisibleImage(ltxImg.source, x, y, ltxImg.width, ltxImg.height),
-                           (x,y,text,textSize) => canvas.drawVisibleText(ctx, text, x, y+textSize.height))
+                           (x,y,text,textSize) => canvas.drawVisibleText(text, x, y+textSize.height))
         }
     }
 }