Function textPointPosition

src/components/drawing/index.js:1247–1267

(s, textPosition, fontSize, markerRadius, dontTouchParent)

};

function textPointPosition(s, textPosition, fontSize, markerRadius, dontTouchParent) {
    var group = d3.select(s.node().parentNode);

    var v = textPosition.indexOf('top') !== -1 ? 'top' : textPosition.indexOf('bottom') !== -1 ? 'bottom' : 'middle';
    var h = textPosition.indexOf('left') !== -1 ? 'end' : textPosition.indexOf('right') !== -1 ? 'start' : 'middle';

    // if markers are shown, offset a little more than
    // the nominal marker size
    // ie 2/1.6 * nominal, bcs some markers are a bit bigger
    var r = markerRadius ? markerRadius / 0.8 + 1 : 0;

    var numLines = (svgTextUtils.lineCount(s) - 1) * LINE_SPACING + 1;
    var dx = TEXTOFFSETSIGN[h] * r;
    var dy = fontSize * 0.75 + TEXTOFFSETSIGN[v] * r + ((TEXTOFFSETSIGN[v] - 1) * numLines * fontSize) / 2;

    // fix the overall text group position
    s.attr('text-anchor', h);
    if (!dontTouchParent) {
        group.attr('transform', strTranslate(dx, dy));
    }
}

function extracTextFontSize(d, trace) {
    var fontSize = d.ts || trace.textfont.size;