/**
* Creates a dummy temp png You should call endFileTmp after adding chunks, etc
* */
public static PngWriter prepareFileTmp(String suffix, ImageInfo imi)
{
PngWriter png = FileHelper.CreatePngWriter(getTmpFile(suffix), imi, true);
return(png);
}
public static PngReader getReaderTmp(String suffix)
{
PngReader p = FileHelper.CreatePngReader(getTmpFile(suffix));
return(p);
}