public void draw(Graphics g) {
if (g == null) {
throw new ArgumentNullException("g");
}
if (m_datasource == null) {
return;
}
init();
drawBackground(g);
drawTitle(g);
if (m_datasource.SeriesCollection.Count == 0) {
return;
}
Insets insets = new Insets(m_insets.Top, m_insets.Left, m_insets.Bottom, m_insets.Right);
calculateInsets(insets, g);
Rectangle bound = new Rectangle(insets.Left,
insets.Top,
m_size.Width - insets.Left - insets.Right,
m_size.Height - insets.Top - insets.Bottom);
drawChart(g, bound);
// if (m_enableLegend) {
// drawLegend(g);
// }
}
public AbstractChart(Size size) {
m_size = size;
m_backgroundColor = Color.White;
m_insets = new Insets(10, 10, 10, 10);
m_enableLegend = true;
Enable3D = true;
}
protected override void calculateInsets(Insets insets, Graphics g)
{
base.calculateInsets(insets, g);
if (m_labels == null || m_labels.Length == 0) {
return;
}
int maxWidth = 0;
int maxHeight = 0;
foreach (Label label in m_labels) {
int labelWidth = label.getWidth(g);
int labelHeight = label.getHeight(g);
maxWidth = maxWidth < labelWidth ? labelWidth : maxWidth;
maxHeight = maxHeight < labelHeight ? labelHeight : maxHeight;
}
insets.Left += (maxWidth + m_space);
insets.Right += (maxWidth + m_space);
insets.Top += (maxHeight + m_space);
insets.Bottom += (maxHeight + m_space);
}
protected virtual void calculateInsets(Insets insets, Graphics g)
{
// TODO: Need to get an accurate legend height.
int legendHeight = 25;
if (m_titleLabel != null) {
insets.Top += (int) m_titleLabel.getHeight(g);
}
if (m_enableLegend) {
insets.Bottom += legendHeight;
}
}