heatmapfromdata - npm Package Compare versions

Comparing version 1.2.0 to 1.2.1

heatmapfromdata.js

@@ -0,23 +1,41 @@
+'use strict';
+// за что отвечает if
+if (typeof module !== 'undefined') module.exports.heatmapfromdata = heatmapfromdata;
+// module.exports.heatmapfromdata = heatmapfromdata;
 
-function Heatmapfromdata(canvas) {
+function heatmapfromdata(canvas) {
 
-    if (!(this instanceof Heatmapfromdata)) return new Heatmapfromdata(canvas);
+    // защита от НЕПРАВИЛЬНОЙ привязки контекста 
+    if (!(this instanceof heatmapfromdata)) return new heatmapfromdata(canvas);
 
-    canvas = typeof canvas === 'string' ? document.getElementById(canvas) : canvas;
-    this._self = this;
-    this._canvas = canvas;
+    this._canvas = typeof canvas === 'string' ? document.getElementById(canvas) : canvas;
     this._ctx = this._canvas.getContext("2d");
+    this._width = this._canvas.width;
+    this._height = this._canvas.height;
+
     this._data = [];
     this._grad = [],
-    this._sizeColors = 1000;
-    this._width = this._canvas.width;
-    this._height = this._canvas.height;
+    this._sizeColors = 1000; // кол-ва цветов в градиенте 
 }
 
-Heatmapfromdata.prototype = {
+heatmapfromdata.prototype = {
 
-    resetAlfa: function() {
-        this._alfa = 0;
+    changeCanvas: function(width, height = 0) {
+        if (height == 0) {
+            this._canvas.width = width;
+            this._canvas.height = width;
+        } else {
+            this._canvas.width = width;
+            this._canvas.height = height;
+        }
+
+        return this;
     },
-    
+
+    sizeColors: function(sizeColors) {
+        this._sizeColors = sizeColors;
+
+        return this;
+    },
+
     data: function(data) {
@@ -36,6 +54,9 @@ this._data = data;
     draw: function(X) {
-        let start= new Date().getTime();
 
         this._ctx.clearRect(0, 0, this._canvas.width, this._canvas.height);
 
+
+        
+        let start= new Date().getTime();
+
         var side = this._data.length,
@@ -49,2 +70,11 @@ step = 1;
                 var colors = this._grad[Math.trunc(X * this._data[i][j])];
+
+                try {
+                    var asdasda = colors[0];
+                } catch {
+                    console.log("X * this._data[i][j]): ", X * this._data[i][j]);
+                    console.log("X: ", X);
+                    console.log("i: ", i, "j ", j);
+                }
+
                 var R = colors[0],
@@ -61,2 +91,4 @@ G = colors[1],
         console.log(`Draw: ${end - start}ms`);
+
+        return this;
     },
@@ -108,23 +140,2 @@
 
-
-function dataNormalization(matrix) {
-    let maxElem = 0.0;
-    for(let i = 0; i < matrix.length - 1; i++) {
-        for(let j = 0; j < matrix.length - 1; j++) {
-            maxElem = Math.max(Math.abs(matrix[i][j]), Math.abs(maxElem));
-        }
-    }
-
-    return maxElem;
-};
-
-
-function parseDataFromFile(data) {
-    return data.split("\n").map(e => {
-        return e.trim().slice(0).split(",").map(e => +e);
-    });
-};
-
-module.exports.Heatmapfromdata = Heatmapfromdata;
-module.exports.parseDataFromFile = parseDataFromFile;
-module.exports.dataNormalization = dataNormalization;
+// module.exports.heatmapfromdata = heatmapfromdata;

package.json

 {
   "name": "heatmapfromdata",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "This project draws mechanical processes",
@@ -5,0 +5,0 @@ "main": "heatmapfromdata.js",

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Improved metrics

Total package byte prevSize

4716

increased by9.93%

Lines of code

97

increased by6.59%

No dependency changes