/// Returns strokes read from the passed .tilt file
public static List <Stroke> GetStrokesFromTilt(string path)
{
var file = new DiskSceneFileInfo(path, readOnly: true);
SketchMetadata metadata;
using (var jsonReader = new JsonTextReader(
new StreamReader(
SaveLoadScript.GetMetadataReadStream(file))))
{
// TODO: should cache this?
var serializer = new JsonSerializer();
serializer.ContractResolver = new CustomJsonContractResolver();
serializer.Error += (sender, args) =>
{
throw new Exception(args.ErrorContext.Error.Message);
};
metadata = serializer.Deserialize <SketchMetadata>(jsonReader);
}
using (var stream = file.GetReadStream(TiltFile.FN_SKETCH))
{
var bufferedStream = new BufferedStream(stream, 4096);
return(SketchWriter.GetStrokes(
bufferedStream, metadata.BrushIndex, BitConverter.IsLittleEndian));
}
}
public void Update()
{
// process async directory changes from file system watcher
// note: code here assumes we're the only consumer
bool changedEvent = false;
while (m_ToDelete.Count > 0)
{
string path = (string)m_ToDelete.Dequeue();
if (RemoveSketchByPath(path))
{
changedEvent = true;
}
}
// be nice and only add one sketch per frame, since we're validating header
if (m_ToAdd.Count > 0)
{
string path = (string)m_ToAdd.Dequeue();
var fileInfo = new DiskSceneFileInfo(path);
if (fileInfo.IsHeaderValid())
{
AddSketchToSet(fileInfo);
m_Sketches.Sort();
changedEvent = true;
}
}
if (changedEvent)
{
OnChanged();
}
// Grab a few units of work
var working = Update__working; // = new Stack<int>();
Debug.Assert(working.Count == 0);
for (int i = 0; i < ICON_LOAD_PER_FRAME && m_RequestedLoads.Count > 0; ++i)
{
working.Push(m_RequestedLoads.Pop());
}
// Process work (perhaps generating future work)
while (working.Count > 0)
{
int iSketch = working.Pop();
if (!m_Sketches[iSketch].RequestLoadIconAndMetadata())
{
m_RequestedLoads.Push(iSketch);
}
}
}
public FileSketch(DiskSceneFileInfo info)
{
m_FileInfo = info;
m_bMetadataValid = false;
}
protected void AddSketchToSet(DiskSceneFileInfo rInfo)
{
m_Sketches.Add(new FileSketch(rInfo));
}
