Adjustments to font to fit the canvas

Changing the values of the font size to make it fit within the signature pad and look the same before the resolution changes.

rpmsoftware#10

Author: David Khuu

injectedJavaScript/application.js

@@ -68,15 +68,14 @@ var content = (penColor, backgroundColor, dataURL, penMinWidth, penMaxWidth, use
     canvasElement.width = oldWidth * 2;
     canvasElement.height = oldHeight * 2;
 
-    var ratio = (bodyWidth/bodyHeight);
-    var fontSize = 45 * ratio;
-    var textHeight = 12 * ratio;
+    var fontSize = 70;
+    var textHeight = 18;
     var textWidth = -1;
     do {
       context.font = fontSize + "px SignatureFont";
       textWidth = context.measureText("${name}").width;
       fontSize = 7 * fontSize / 8;
-    } while (textWidth > w);
+    } while (textWidth + (w * 0.05) > w);
 
     var textPosition = {
       x: ((w - textWidth) / 2),