moved unit conversion function

cvlp_lib.js

@@ -91,6 +91,45 @@ function cvlp_rectangle(x, y, width, height, thickness, radius=0, round=true) {
 	return rectangle
 }
 
+// convert value from one unit to another
+// units allowed: mm, in, mil
+// returns converted value, on null if unknown unit
+function convert_unit(value, from, to) {
+// don't convert if the unit is the same (avoid calculation imprecisions)
+	if (from==to) {
+		return value;
+	}
+	// convert to µm
+	var mum = 0;
+	switch (from) {
+		case 'mm':
+			mum = value*1000;
+			break;
+		case 'in':
+			mum = value*1000*25.40;
+			break;
+		case 'mil':
+			mum = value*25.40;
+			break;
+		default:
+			return null;
+	}
+	switch (to) {
+		case 'mm':
+			mum = mum/1000;
+			break;
+		case 'in':
+			mum = mum/1000/25.40;
+			break;
+		case 'mil':
+			mum = mum/25.40;
+			break;
+		default:
+			return null;
+	}
+	return mum;
+}
+
 // convert JSON to SVG
 function json2svg(json) {
 	// create svg

oshw_logo.html

@@ -166,46 +166,6 @@
 			logo.unit = unit
 			draw()
 		}
-
-		// convert value from one unit to another
-		// units allowed: mm, in, mil
-		// returns converted value, on null if unknown unit
-		function convert_unit(value, from, to)
-		{
-			// don't convert if the unit is the same (avoid calculation imprecisions)
-			if (from==to) {
-				return value;
-			}
-			// convert to µm
-			var mum = 0;
-			switch (from) {
-				case 'mm':
-					mum = value*1000;
-					break;
-				case 'in':
-					mum = value*1000*25.40;
-					break;
-				case 'mil':
-					mum = value*25.40;
-					break;
-				default:
-					return null;
-			}
-			switch (to) {
-				case 'mm':
-					mum = mum/1000;
-					break;
-				case 'in':
-					mum = mum/1000/25.40;
-					break;
-				case 'mil':
-					mum = mum/25.40;
-					break;
-				default:
-					return null;
-			}
-			return mum;
-		}
 	</script>
 	<div id="svg"></div>
 	<p id="control">