public override void CloneDataFromRead(PngChunk other)
{
// THIS SHOULD NOT BE CALLED IF ALREADY CLONED WITH COPY CONSTRUCTOR
PngChunkUNKNOWN c = (PngChunkUNKNOWN)other;
data = c.data; // not deep copy
}
/// <summary>
/// If <paramref name="outFilePath" /> is NULL then file is written in-place.
/// <paramref name="chunkId" /> must follow the PNG conventions: four ascii letters, ID[0] :
/// lowercase (ancillary) ID[1] : lowercase if private, upppecase if public ID[3] : uppercase if
/// "safe to copy"
/// </summary>
public static void WriteCustomChunk(string inFilePath, string outFilePath, string chunkId, byte[] data)
{
PngChunk CreateChunk(ImageInfo imgInfo)
{
PngChunkUNKNOWN chunk = new PngChunkUNKNOWN(chunkId, imgInfo);
chunk.SetData(data);
chunk.Priority = true;
return(chunk);
}
using (var inStream = OpenInputStream(inFilePath, outFilePath == null))
WriteChunk(inStream, outFilePath ?? inFilePath, CreateChunk);
}
PngChunkUNKNOWN(PngChunkUNKNOWN c, ImageInfo info)
: base(c.Id, info)
{
System.Array.Copy(c.data, 0, data, 0, c.data.Length);
}
