DrawingCell.prototype._redraw = function()

in web/src/drawing.js [80:95]


    DrawingCell.prototype._redraw = function() {
        if (this._paths.length === 0) {
            this._emptyLabel.style.display = 'block';
        } else {
            this._emptyLabel.style.display = 'none';
        }
        var ctx = this._canvas.getContext('2d');
        var size = this.size * UPSAMPLE;
        ctx.clearRect(0, 0, size, size);

        ctx.strokeStyle = '#777';
        ctx.lineWidth = LINE_WIDTH * size;
        ctx.lineCap = 'round';
        ctx.lineJoin = 'round';
        drawPaths(ctx, size, this._paths);
    };