Function calculateColor

src/lib/gl_format_color.js:14–18

(colorIn, opacityIn)

var opacityDflt = 1;

function calculateColor(colorIn, opacityIn) {
    var colorOut = colorIn;
    colorOut[3] *= opacityIn;
    return colorOut;
}

function validateColor(colorIn) {
    if(isNumeric(colorIn)) return colorDfltRgba;