public bool AddFramesTrackFile(string inputFile, string outputFile, int addFrames, bool onTail)
{
_state = "Loading";
bool ret = true;
TrackIO trackIn = new TrackIO();
int trackWidth = 0;
using (StreamReader reader = new StreamReader(inputFile)) {
trackIn.LoadTrack(reader);
try {
// 無名マーカーも含めたマーカー数
// 実際には配列長より\tの数のほうが正しいらしい
trackWidth = reader.ReadLine().Split('\t').Length / 3;
} catch (IOException) { }
}
trackWidth = Math.Max(trackWidth, trackIn.NumMarkers);
TrackIO trackOut = trackIn.Clone() as TrackIO;
trackOut.NumFrames += addFrames;
// 一行読んだのでもう一回
using (StreamReader reader = new StreamReader(inputFile)) {
trackIn.LoadTrack(reader);
using (StreamWriter writer = new StreamWriter(outputFile)) {
trackOut.WritePreHeader(writer);
trackOut.WriteMarkerHeader(writer);
if (onTail)
{
while (!reader.EndOfStream)
{
writer.WriteLine(reader.ReadLine());
}
}
for (int i = 0; i < addFrames; i++)
{
writer.Write("0\t0\t"); // 適当に
for (int j = 0; j < trackWidth; j++)
{
writer.Write("\t\t\t");
}
writer.WriteLine();
}
if (!onTail)
{
while (!reader.EndOfStream)
{
writer.WriteLine(reader.ReadLine());
}
}
}
}
_state = "Finished";
return(ret);
}
public bool CutFramesTrackFile(string inputFile, string outputFile, int cutFrames, bool onTail)
{
_state = "Loading";
bool ret = true;
TrackIO trackIn = new TrackIO();
using (StreamReader reader = new StreamReader(inputFile)) {
trackIn.LoadTrack(reader);
TrackIO trackOut = trackIn.Clone() as TrackIO;
trackOut.NumFrames -= cutFrames;
if (trackOut.NumFrames < 0)
{
trackOut.NumFrames = 0;
}
using (StreamWriter writer = new StreamWriter(outputFile)) {
trackOut.WritePreHeader(writer);
trackOut.WriteMarkerHeader(writer);
if (onTail)
{
for (int i = 0; i < trackOut.NumFrames && !reader.EndOfStream; i++)
{
writer.WriteLine(reader.ReadLine());
}
}
else
{
for (int i = 0; i < cutFrames && !reader.EndOfStream; i++)
{
reader.ReadLine();
}
while (!reader.EndOfStream)
{
writer.WriteLine(reader.ReadLine());
}
}
}
}
_state = "Finished";
return(ret);
}