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function drawLines(ctx, area, layout) {
if (typeof(g) == 'undefined') return; // won't be set on the initial draw.
function drawLines(ctx, area, layout) {
if (typeof(g) == 'undefined') return; // won't be set on the initial draw.
var p1 = g.toDomCoords(x1, y1);
var p2 = g.toDomCoords(x2, y2);
var p1 = g.toDomCoords(x1, y1);
var p2 = g.toDomCoords(x2, y2);
c.r = Math.floor(255 - 0.5 * (255 - c.r));
c.g = Math.floor(255 - 0.5 * (255 - c.g));
c.b = Math.floor(255 - 0.5 * (255 - c.b));
c.r = Math.floor(255 - 0.5 * (255 - c.r));
c.g = Math.floor(255 - 0.5 * (255 - c.g));
c.b = Math.floor(255 - 0.5 * (255 - c.b));