code: public SVGBuilder setColorSwap(int searchColor, int replaceColor, boolean overideOpacity) {
  		this.searchColor = searchColor;
  		this.replaceColor = replaceColor;
  		this.overideOpacity = overideOpacity;
  		return this;
  	}
docs: Replaces a single colour with another, affecting the opacity.
  
  @param searchColor The colour in the SVG.
  @param replaceColor The desired colour.
  @param overideOpacity If true, combines the opacity defined in the SVG resource with the alpha of replaceColor.