/// <summary>
/// save as bmp file
/// </summary>
/// <param name="n"></param>
/// <returns>Bitmap of current Node and children</returns>
public Bitmap drawTree(Node n)
{
Bitmap b;
Graphics g;
Options.OptionsData d = Options.OptionsData.Instance;
// set drawing options
justification = d.Justification;
join = d.Join;
treeOrientation = d.TreeOrientation;
useRnotation = d.Notation;
dropShadow = d.DropShadow;
boxShading = d.BoxShading;
showLegend = d.ShowLegend;
arrows = d.Arrow;
marker = d.Marker;
helpersAsCoPremises = d.HelpersAsCoPremises;
// Width and height calculation should only be a cross check
maxWidth = 0;
maxHeight = 0;
recalc(n);
b = new Bitmap((int)maxWidth + 20, (int)maxHeight + 20); // 20 pixel border
g = Graphics.FromImage(b); // gets the graphics drawing object
g.Clear(Color.White); // clears the background
drawTree(g, n);
return(b);
}
/// <summary>
/// Draws the tree from the specified node
/// </summary>
/// <param name="g">The Drawing GDI object</param>
/// <param name="n">Root Node</param>
public void drawTree(Graphics g, Node n)
{
graphics = g;
Options.OptionsData d = Options.OptionsData.Instance;
// set drawing options
justification = d.Justification;
join = d.Join;
treeOrientation = d.TreeOrientation;
useRnotation = d.Notation;
dropShadow = d.DropShadow;
boxShading = d.BoxShading;
showLegend = d.ShowLegend;
arrows = d.Arrow;
marker = d.Marker;
helpersAsCoPremises = d.HelpersAsCoPremises;
// Width and height calculation should only be a cross check
maxWidth = 0;
maxHeight = 0;
g.PageScale = zoom;
// if(needsRecalc)
recalc(n);
// calcStartXY(n,ref x,ref y);
// for debug
// g.DrawRectangle(new Pen(Color.Bisque),0,0,maxWidth,maxHeight);
// g.DrawString("maxHeight & maxWidth:"+maxWidth+" : "+maxHeight,new Font("Courier",8F),new SolidBrush(Color.Black),offsetX,offsetY+maxHeight+margin);
drawNode(n.x, n.y, n, 0);
legendY = maxHeight - legendHeight;
drawLegend(n, true);
}