JAL-1807

[jalview.git] / site / swingjs / j2s / org / uwi / EntropyCanvas.js

diff --git a/site/swingjs/j2s/org/uwi/EntropyCanvas.js b/site/swingjs/j2s/org/uwi/EntropyCanvas.js
new file mode 100644 (file)
index 0000000..d39853f
--- /dev/null
+++ b/site/swingjs/j2s/org/uwi/EntropyCanvas.js
@@ -0,0 +1,28 @@
+Clazz.declarePackage ("org.uwi");
+Clazz.load (["javax.swing.JPanel"], "org.uwi.EntropyCanvas", ["java.awt.Color", "$.Point"], function () {
+c$ = Clazz.decorateAsClass (function () {
+this.Entropy = null;
+this.EntropyCalc = 0;
+this.entCounter = 0;
+Clazz.instantialize (this, arguments);
+}, org.uwi, "EntropyCanvas", javax.swing.JPanel);
+Clazz.overrideMethod (c$, "paintComponent", 
+function (g) {
+g.setColor (java.awt.Color.blue);
+var dim = this.getSize ();
+var xScale = Clazz.doubleToInt (dim.width / this.EntropyCalc);
+var yScale = (dim.height - 20) / (org.uwi.EntropyCanvas.eMax + 10);
+var start =  new java.awt.Point ();
+start.x = 0;
+start.y = dim.height;
+for (var i = 0; i < this.entCounter; i++) {
+var x = Clazz.doubleToInt (Math.floor (i * xScale));
+var y = dim.height - (Clazz.doubleToInt (Math.floor (this.Entropy[i] * yScale)));
+g.drawLine (start.x, start.y, x, y);
+start.x = x;
+start.y = y;
+}
+}, "java.awt.Graphics");
+Clazz.defineStatics (c$,
+"eMax", 65000);
+});