private IEnumerable <TimeSpan> RunSequence(IEnumerable <GloCommand> seq)
{
foreach (GloCommand cmd in seq)
{
if (cmd is GloLoop)
{
GloLoop loop = (GloLoop)cmd;
for (int i = 0; i < loop.Repetitions; i++)
{
foreach (var elem in RunSequence(loop.Commands))
{
yield return(elem);
}
}
}
else if (cmd is GloDelayCommand)
{
yield return(((GloDelayCommand)cmd).Delay);
}
else if (cmd is GloRampCommand)
{
GloRampCommand ramp = (GloRampCommand)cmd;
GloColor startCol = currentColor;
ColorAnimation animation = new ColorAnimation();
animation.To = c2c(ramp.TargetColor);
animation.Duration = new Duration(ramp.Duration);
colorPanel.Background.BeginAnimation(SolidColorBrush.ColorProperty, animation);
currentColor = ramp.TargetColor;
/*double duration = ramp.Duration.TotalMilliseconds;
* for (double t = 0; t < duration; t += 10)
* {
* CurrentColor = GloColor.Blend(startCol, ((GloRampCommand)cmd).TargetColor, t / duration);
* yield return TimeSpan.FromMilliseconds(10);
* }*/
yield return(ramp.Duration);
}
else if (cmd is GloColorCommand)
{
colorPanel.Background.SetCurrentValue(SolidColorBrush.ColorProperty, c2c(((GloColorCommand)cmd).Color));
//CurrentColor = ((GloColorCommand)cmd).Color;
yield return(TimeSpan.Zero);
}
else
{
MessageBox.Show("Unknown command: " + cmd.GetType().Name);
}
}
}
public static GloProgram LoadFromFile(string file)
{
Stack <GloCommandContainer> openContainers = new Stack <GloCommandContainer>();
openContainers.Push(new GloCommandContainer("PROGRAM"));
bool seal = false;
int lineNum = 0;
foreach (string line in File.ReadAllLines(file, Encoding.UTF8))
{
lineNum++;
int commentIndex = line.IndexOf(';');
string commandLine = (commentIndex >= 0 ? line.Substring(0, commentIndex) : line).Trim();
if (commandLine == "")
{
continue;
}
string[] tokens = commandLine.Split(',');
string cmd = tokens[0];
switch (cmd)
{
case "L":
openContainers.Push(new GloLoop(GetIntArg(tokens, 1)));
break;
case "E":
if (!(openContainers.Peek() is GloLoop))
{
throw new FileFormatException("no open loop to close");
}
GloLoop finishedLoop = (GloLoop)openContainers.Pop();
openContainers.Peek().Commands.Add(finishedLoop);
break;
case "D":
openContainers.Peek().Commands.Add(new GloDelayCommand(GetTimeArg(tokens, 1)));
break;
case "C":
openContainers.Peek().Commands.Add(new GloColorCommand(GetColorArg(tokens, 1)));
break;
case "RAMP":
openContainers.Peek().Commands.Add(new GloRampCommand(GetColorArg(tokens, 1), GetTimeArg(tokens, 4)));
break;
case "END":
seal = true;
break;
}
}
if (openContainers.Count > 1)
{
throw new FileFormatException("program ended with unclosed section: " + openContainers.Peek().GetType().Name);
}
if (!seal)
{
throw new FileFormatException("program was not terminated with END");
}
return(new GloProgram(openContainers.Pop()));
}