ignore SVG default colors

Author: xerc

src/renderers/svg.js

@@ -15,12 +15,21 @@ class SVGRenderer{
 		var currentX = this.options.marginLeft;
 
 		this.prepareSVG();
+
+		// Create Background
+		if(!this.options.background.match(/transparent|#[a-f\d]{3}(?:[a-f\d]{3})?0/i)){
+			this.drawRect(0, 0, "100%", "100%", this.svg).setAttribute("fill", this.options.background);
+		}
+
 		for(let i = 0; i < this.encodings.length; i++){
 			var encoding = this.encodings[i];
 			var encodingOptions = merge(this.options, encoding.options);
 
 			var group = this.createGroup(currentX, encodingOptions.marginTop, this.svg);
-			group.setAttribute("fill", encodingOptions.lineColor);
+
+			if(!encodingOptions.lineColor.match(/black|#000(?:000)?f?/i)){
+				group.setAttribute("fill", encodingOptions.lineColor);
+			}
 
 			this.drawSvgBarcode(group, encodingOptions, encoding);
 			this.drawSVGText(group, encodingOptions, encoding);
@@ -41,10 +50,6 @@ class SVGRenderer{
 
 		var width = totalWidth + this.options.marginLeft + this.options.marginRight;
 		this.setSvgAttributes(width, maxHeight);
-
-		if(this.options.background){
-			this.drawRect(0, 0, "100%", "100%", this.svg).setAttribute("fill", this.options.background);
-		}
 	}
 
 	drawSvgBarcode(parent, options, encoding){