Function handleMarkerDefaults

src/traces/pie/defaults.js:36–50

(traceIn, traceOut, layout, coerce, isPie)

}

function handleMarkerDefaults(traceIn, traceOut, layout, coerce, isPie) {
    var lineWidth = coerce('marker.line.width');
    if (lineWidth) {
        coerce(
            'marker.line.color',
            isPie ? undefined : layout.paper_bgcolor // case of funnelarea, sunburst, icicle, treemap
        );
    }

    var markerColors = coerce('marker.colors');
    coercePattern(coerce, 'marker.pattern', markerColors);
    // push the marker colors (with s) to the foreground colors, to work around logic in the drawing pattern code on marker.color (without s, which is okay for a bar trace)
    if (traceIn.marker && !traceOut.marker.pattern.fgcolor) traceOut.marker.pattern.fgcolor = traceIn.marker.colors;
    if (!traceOut.marker.pattern.bgcolor) traceOut.marker.pattern.bgcolor = layout.paper_bgcolor;
}

function supplyDefaults(traceIn, traceOut, defaultColor, layout) {
    function coerce(attr, dflt) {