Function _parseRGBA

pattern/graph/graph.js:228–242

(clr)

// or black for edges and transparent for nodes if graph.js is used without canvas.js.

function _parseRGBA(clr) {
    if (clr && clr.rgba && clr._get) { // canvas.js Color
        return clr._get();
    }
    if (clr instanceof Array) {
        var r = Math.round(clr[0] * 255);
        var g = Math.round(clr[1] * 255);
        var b = Math.round(clr[2] * 255);
        return "rgba("+r+", "+g+", "+b+", "+clr[3]+")";    
    }
    if (clr === null) {
        return "rgba(0,0,0,0)";
    }
    return clr;
}

var _GRAPH_FILL1 = null;
var _GRAPH_FILL2 = null;