public override ImageData Read(Stream stream, ImageMetaData info)
{
var reader = new AkbReader(stream, (AkbMetaData)info);
var image = reader.Unpack();
return(ImageData.Create(info, reader.Format, null, image, reader.Stride));
}
byte[] ReadBaseImage(string filename, AkbMetaData overlay_info)
{
var pattern = Path.GetFileNameWithoutExtension(filename) + ".*";
pattern = VFS.CombinePath(VFS.GetDirectoryName(filename), pattern);
foreach (var entry in VFS.GetFiles(pattern))
{
if (entry.Name == overlay_info.FileName)
{
continue;
}
using (var base_file = VFS.OpenBinaryStream(entry))
{
var base_info = ReadMetaData(base_file) as AkbMetaData;
if (null != base_info && base_info.BPP == overlay_info.BPP &&
base_info.Width == overlay_info.Width && base_info.Height == overlay_info.Height)
{
// FIXME what if baseline image is incremental itself?
var reader = new AkbReader(base_file.AsStream, base_info);
return(reader.Unpack());
}
}
}
return(null);
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
var meta = (AkbMetaData)info;
byte[] background = null;
if (!string.IsNullOrEmpty(meta.BaseFileName))
{
background = ReadBaseImage(meta.BaseFileName, meta);
}
var reader = new AkbReader(file.AsStream, (AkbMetaData)info);
var image = reader.Unpack(background);
return(ImageData.Create(info, reader.Format, null, image, reader.Stride));
}
public override ImageData Read(Stream stream, ImageMetaData info)
{
var reader = new AkbReader (stream, (AkbMetaData)info);
var image = reader.Unpack();
return ImageData.Create (info, reader.Format, null, image, reader.Stride);
}