Function setFillStyle

src/components/drawing/index.js:220–301

(sel, trace, gd, forLegend)

};

function setFillStyle(sel, trace, gd, forLegend) {
    var markerPattern = trace.fillpattern;
    var fillgradient = trace.fillgradient;
    var pAttr = drawing.getPatternAttr;
    var patternShape = markerPattern && (pAttr(markerPattern.shape, 0, '') || pAttr(markerPattern.path, 0, ''));
    if (patternShape) {
        var patternBGColor = pAttr(markerPattern.bgcolor, 0, null);
        var patternFGColor = pAttr(markerPattern.fgcolor, 0, null);
        var patternFGOpacity = markerPattern.fgopacity;
        var patternSize = pAttr(markerPattern.size, 0, 8);
        var patternSolidity = pAttr(markerPattern.solidity, 0, 0.3);
        var patternID = trace.uid;
        drawing.pattern(
            sel,
            'point',
            gd,
            patternID,
            patternShape,
            patternSize,
            patternSolidity,
            undefined,
            markerPattern.fillmode,
            patternBGColor,
            patternFGColor,
            patternFGOpacity
        );
    } else if (fillgradient && fillgradient.type !== 'none') {
        var direction = fillgradient.type;
        var gradientID = 'scatterfill-' + trace.uid;
        if (forLegend) {
            gradientID = 'legendfill-' + trace.uid;
        }

        if (!forLegend && (fillgradient.start !== undefined || fillgradient.stop !== undefined)) {
            var start, stop;
            if (direction === 'horizontal') {
                start = {
                    x: fillgradient.start,
                    y: 0
                };
                stop = {
                    x: fillgradient.stop,
                    y: 0
                };
            } else if (direction === 'vertical') {
                start = {
                    x: 0,
                    y: fillgradient.start
                };
                stop = {
                    x: 0,
                    y: fillgradient.stop
                };
            }

            start.x = trace._xA.c2p(start.x === undefined ? trace._extremes.x.min[0].val : start.x, true);
            start.y = trace._yA.c2p(start.y === undefined ? trace._extremes.y.min[0].val : start.y, true);