static Stroke UndoStroke(Queue<SupportedString> lines, Stack<Stroke> undoStack, StrokeCreation strokeType)
{
Stroke toCopy = undoStack.Pop();
Stroke newOne = new Stroke();
newOne.LineNumber = lines.Peek().LineNumber;
newOne.PenType = UndoOf(toCopy.PenType);
newOne.Recorded = false;
newOne.SimultaneousMaxTemplatesUsed = 0;
newOne.Viewbox = toCopy.Viewbox;
newOne.Templates = new List<TemplateInfo>();
newOne.InputMouse = toCopy.InputMouse;
newOne.OutputStroke = toCopy.OutputStroke;
newOne.StrokeType = strokeType;
return newOne;
}
static Stroke ExtractStroke(Queue<SupportedString> lines, AppState p)
{
Stroke s = new Stroke();
// assign a view box to this stroke
if (p.ViewBox.Length > 0)
{
string [] parts = p.ViewBox.Split(new char[] {'{','=',',','}'});
s.Viewbox = new System.Windows.Rect(
Double.Parse( parts[2]),
Double.Parse(parts[4]),
Double.Parse(parts[6]),
Double.Parse(parts[8]));
}
{
SupportedString line = lines.Dequeue();
s.LineNumber = line.LineNumber;
string dateTimeSpecial = line.Line.Split(new char[] { '/' })[2];
dateTimeSpecial = dateTimeSpecial.Substring(0, dateTimeSpecial.IndexOf(',') - 1);
s.Timestamp = DateTime.Parse(dateTimeSpecial);
}
s.PenType = p.PenType;
if (p.PenType == PenType.Ink || p.PenType == PenType.UndoInk)
s.StrokeWidth = 2;
else
s.StrokeWidth = p.EraserSize;
s.StrokeType = StrokeCreation.New;
string[] split = lines.Peek().Line.Split('/');
while (!"stroke_ended".Equals(split[ACTION]))
{
if ("_input_stroke".Equals(split[ACTION]))
{
s.InputMouse = ShiftPoints( GetPointsFromString(split[OTHER]), new System.Windows.Vector(-s.Viewbox.Left,-s.Viewbox.Top));
}
else if ("_template_used".Equals(split[ACTION]))
{
// get some template info
string templateKey = split[ITEM] + "[" + split[ITEM_ID] + "]";
if (!p.Templates.ContainsKey(templateKey))
{
// force extraction of template if it didn't exist before
Console.WriteLine("template " + templateKey + " used without being defined");
ExtractTemplate(split, p);
}
TemplateLog tl = p.Templates[templateKey];
string strength = "default";
if (tl.ContainsKey("change_template_strength"))
strength = tl["change_template_strength"];
s.Templates.Add(new TemplateInfo()
{
TemplateName = split[ITEM].Replace("TemplateFilter",""),
TimesEntered = int.Parse( split[OTHER]),
UID = int.Parse(split[ITEM_ID]),
TemplateStrength = strength
});
}
else if ("_simultaneous_templates_max_used".Equals(split[ACTION]))
{
s.SimultaneousMaxTemplatesUsed = int.Parse(split[OTHER]);
}
else if ("_output_stroke".Equals(split[ACTION]))
{
s.OutputStroke = ShiftPoints(GetPointsFromString(split[OTHER]), new System.Windows.Vector(-s.Viewbox.Left,-s.Viewbox.Top));
}
else if ("_stroke_path".Equals(split[ACTION]))
{
if (s.OutputStroke.Count == 0)
{
s.OutputStroke = ShiftPoints(GetPointsFromString(split[OTHER]), new System.Windows.Vector(-s.Viewbox.Left,-s.Viewbox.Top));
if (s.OutputStroke.Count > 0)
System.Console.WriteLine("_stroke_path used because _output_stroke missing");
}
}
else if ("replay_recorded_movement".Equals(split[ACTION]))
{
s.Recorded = true;
}
else
{
System.Console.WriteLine("Could not understand {0}", split[ACTION]);
}
lines.Dequeue();
split = lines.Peek().Line.Split('/');
}
return s;
}
