/**
* Draw a legend for this data set
*
* @param g Graphics context
* @param w Data Window
*/
protected void draw_legend(Graphics g, Rectangle w) {
Color c = g.getColor();
Markers m = null;
if (legend_text == null) return;
if (legend_text.isNull()) return;
if (legend_ix == 0 && legend_iy == 0) {
legend_ix = (int) (w.x + ((legend_dx - xmin) / xrange) * w.width);
legend_iy = (int) (w.y + (1.0 - (legend_dy - ymin) / yrange) * w.height);
}
if (linestyle != DataSet.NOLINE) {
if (linecolor != null) g.setColor(linecolor);
g.drawLine(legend_ix, legend_iy, legend_ix + legend_length, legend_iy);
}
if (marker > 0) {
m = g2d.getMarkers();
if (m != null) {
if (markercolor != null) g.setColor(markercolor);
else g.setColor(c);
m.draw(g, marker, 1.0, legend_ix + legend_length / 2, legend_iy);
}
}
legend_text.draw(
g,
legend_ix + legend_length + legend_text.charWidth(g, ' '),
legend_iy + legend_text.getAscent(g) / 3);
g.setColor(c);
}
