// (gr_line (start 77.47 39.37) (end 77.47 62.23) (angle 90) (layer Dwgs.User) (width 0.14986))
public static gr_line Parse(SExpression root_node)
{
gr_line result = new gr_line();
foreach (SExpression node in root_node.Items)
{
if (node.Name == "start")
{
float x = float.Parse((node.Items[0] as SNodeAtom).Value);
float y = float.Parse((node.Items[1] as SNodeAtom).Value);
result.start = new PointF(x, y);
}
else if (node.Name == "end")
{
float x = float.Parse((node.Items[0] as SNodeAtom).Value);
float y = float.Parse((node.Items[1] as SNodeAtom).Value);
result.end = new PointF(x, y);
}
else if (node.Name == "layer")
{
result.layer = (node.Items[0] as SNodeAtom).Value;
}
else if (node.Name == "width")
{
result.width = (node.Items[0] as SNodeAtom).AsFloat;
}
}
return(result);
}
public void Render(Canvas canvas)
{
canvas.color_background = Color.Black;
// units in mm?
canvas.Min = new PointF(0, 0);
canvas.Max = new PointF(297, 210);
canvas.grid_spacing = 10;
canvas.Ydir = 1; // +ve Y is down the page
canvas.Initialise();
foreach (graphic_base node in this.Drawings)
{
if (node is gr_line)
{
gr_line gr_line = node as gr_line;
Point sp1 = canvas.ToScreen(gr_line.start);
Point sp2 = canvas.ToScreen(gr_line.end);
Pen pen = new Pen(GetColorFromLayer(gr_line.layer));
canvas.g.DrawLine(pen, sp1, sp2);
}
else if (node is gr_text)
{
gr_text text = node as gr_text;
Point sp1 = canvas.ToScreen(text.Position.At);
Font font = new Font("Arial", 10, FontStyle.Regular, GraphicsUnit.Pixel);
canvas.g.DrawString(text.Value, font, Brushes.White, sp1);
}
}
}
public bool LoadFromFile(string filename)
{
bool result = false;
RootNode.LoadFromFile(filename);
UnParsed = new List <SExpression>();
if (RootNode.Name == "kicad_pcb")
{
SNodeBase pcb_node = RootNode;
SExpression pcb_items = (pcb_node as SExpression);
foreach (SExpression node in pcb_items.Items)
{
string name = node.Name;
if (name == "gr_line")
{
//
gr_line g = gr_line.Parse(node);
if (Drawings == null)
{
Drawings = new List <graphic_base>();
}
Drawings.Add(g);
}
else if (name == "gr_text")
{
//
gr_text g = gr_text.Parse(node);
if (Drawings == null)
{
Drawings = new List <graphic_base>();
}
Drawings.Add(g);
}
else if (name == "gr_arc")
{
gr_arc g = gr_arc.Parse(node);
if (Drawings == null)
{
Drawings = new List <graphic_base>();
}
Drawings.Add(g);
}
else if (name == "gr_circle")
{
Trace("LoadPcb: todo: {0}", name);
}
else if (name == "module")
{
Module module = Module.Parse(node);
if (Modules == null)
{
Modules = new List <Module>();
}
Modules.Add(module);
}
else if (name == "version")
{
FileVersion = node.GetString();
}
else if (name == "host")
{
Host_Name = (node.Items[0] as SNodeAtom).Value;
Host_Version = (node.Items[1] as SNodeAtom).Value;
}
else if (name == "general")
{
Trace("LoadPcb: todo: {0}", name);
}
else if (name == "page")
{
Page = node.GetString();
}
else if (name == "title_block")
{
Trace("LoadPcb: todo: {0}", name);
}
else if (name == "layers")
{
Trace("LoadPcb: todo: {0}", name);
}
else if (name == "setup")
{
Trace("LoadPcb: todo: {0}", name);
}
else if (name == "net")
{
Trace("LoadPcb: todo: {0}", name);
}
else if (name == "net_class")
{
Trace("LoadPcb: todo: {0}", name);
}
else if (name == "dimension")
{
Trace("LoadPcb: todo: {0}", name);
}
else if (name == "segment")
{
Trace("LoadPcb: todo: {0}", name);
}
else if (name == "via")
{
Trace("LoadPcb: todo: {0}", name);
}
else if (name == "zone")
{
Trace("LoadPcb: todo: {0}", name);
}
else
{
Trace("LoadPcb: unrecognised: {0}", name);
}
}
}
return(result);
}