Function getNextPoint

src/components/shapes/display_outlines.js:359–376

(cell, j)

}

function getNextPoint(cell, j) {
    var x = cell[j][1];
    var y = cell[j][2];
    var len = cell.length;
    var nextJ, nextX, nextY;
    nextJ = (j + 1) % len;
    nextX = cell[nextJ][1];
    nextY = cell[nextJ][2];

    // avoid potential double points (closing points)
    if(nextX === x && nextY === y) {
        nextJ = (j + 2) % len;
        nextX = cell[nextJ][1];
        nextY = cell[nextJ][2];
    }

    return [nextJ, nextX, nextY];
}

function eraseActiveSelection(gd) {
    // Do not allow removal of selections on other dragmodes.