Function getRotatedTextSize

src/traces/bar/plot.js:748–757

(textBB, rotate)

}

function getRotatedTextSize(textBB, rotate) {
    var a = (Math.PI / 180) * rotate;
    var absSin = Math.abs(Math.sin(a));
    var absCos = Math.abs(Math.cos(a));

    return {
        x: textBB.width * absCos + textBB.height * absSin,
        y: textBB.width * absSin + textBB.height * absCos
    };
}

function toMoveInsideBar(x0, x1, y0, y1, textBB, opts) {
    var isHorizontal = !!opts.isHorizontal;