Function initMargins

src/plots/plots.js:1739–1756

(fullLayout)

};

function initMargins(fullLayout) {
    var margin = fullLayout.margin;

    if(!fullLayout._size) {
        var gs = fullLayout._size = {
            l: Math.round(margin.l),
            r: Math.round(margin.r),
            t: Math.round(margin.t),
            b: Math.round(margin.b),
            p: Math.round(margin.pad)
        };
        gs.w = Math.round(fullLayout.width) - gs.l - gs.r;
        gs.h = Math.round(fullLayout.height) - gs.t - gs.b;
    }
    if(!fullLayout._pushmargin) fullLayout._pushmargin = {};
    if(!fullLayout._pushmarginIds) fullLayout._pushmarginIds = {};
    if(!fullLayout._reservedMargin) fullLayout._reservedMargin = {};
}

// non-negotiable - this is the smallest height we will allow users to specify via explicit margins
var MIN_SPECIFIED_WIDTH = 2;