public override async Task ReadDomainObject(ByteArrayReader reader, DomainHeader header, DomainExportTableEntry export, bool skipProperties, bool skipParse)
{
await base.ReadDomainObject(reader, header, export, skipProperties, skipParse);
if (skipParse)
{
return;
}
MipMapsCount = reader.ReadInt32();
for (int i = 0; i < MipMapsCount; ++i)
{
await ProcessCompressedBulkData(reader, async bulkChunk => {
DomainMipMap mip = new DomainMipMap
{
Width = reader.ReadInt32(),
Height = reader.ReadInt32()
};
if (mip.Width >= 4 || mip.Height >= 4)
{
mip.ImageData = (await bulkChunk.DecompressChunk(0))?.GetBytes();
}
MipMaps.Add(mip);
});
}
Guid = await reader.ReadBytes(16);
}
public override async Task SaveObject(string filename)
{
if (MipMaps == null || !MipMaps.Any())
{
return;
}
ImageEngineFormat format;
DomainMipMap mipMap = MipMaps.Where(mm => mm.ImageData != null && mm.ImageData.Length > 0).OrderByDescending(mm => mm.Width > mm.Height ? mm.Width : mm.Height).FirstOrDefault();
if (mipMap == null)
{
return;
}
MemoryStream memory = buildDdsImage(MipMaps.IndexOf(mipMap), out format);
if (memory == null)
{
return;
}
ImageEngineImage ddsImage = new ImageEngineImage(memory);
FileStream stream = new FileStream(filename, FileMode.Create);
await Task.Run(() => ddsImage.Save(stream, format, MipHandling.KeepTopOnly));
stream.Close();
memory.Close();
}
private Stream buildDdsImage(int mipMapIndex, out FileFormat imageFormat)
{
DomainPropertyByteValue formatProp = PropertyHeader.GetProperty("Format").FirstOrDefault()?.Value as DomainPropertyByteValue;
imageFormat = FileFormat.Unknown;
if (formatProp == null)
{
return(null);
}
string format = formatProp.PropertyString;
DomainMipMap mipMap = MipMaps[mipMapIndex];
imageFormat = DdsPixelFormat.ParseFileFormat(format);
DdsHeader ddsHeader = new DdsHeader(new DdsSaveConfig(imageFormat, 0, 0, false, false), mipMap.Width, mipMap.Height);
MemoryStream stream = new MemoryStream();
BinaryWriter writer = new BinaryWriter(stream);
ddsHeader.Write(writer);
stream.Write(mipMap.ImageData, 0, mipMap.ImageData.Length);
stream.Flush();
stream.Position = 0;
return(stream);
}
public override Stream GetObjectStream()
{
if (MipMaps == null || !MipMaps.Any())
{
return(null);
}
ImageEngineFormat format;
DomainMipMap mipMap = MipMaps.Where(mm => mm.ImageData != null && mm.ImageData.Length > 0).OrderByDescending(mm => mm.Width > mm.Height ? mm.Width : mm.Height).FirstOrDefault();
return(mipMap == null ? null : buildDdsImage(MipMaps.IndexOf(mipMap), out format));
}
public override async Task ReadDomainObject(ByteArrayReader reader, DomainHeader header, DomainExportTableEntry export, bool skipProperties, bool skipParse) {
await base.ReadDomainObject(reader, header, export, skipProperties, skipParse);
if (skipParse) return;
MipMapsCount = reader.ReadInt32();
for(int i = 0; i < MipMapsCount; ++i) {
await ProcessCompressedBulkData(reader, async bulkChunk => {
DomainMipMap mip = new DomainMipMap {
Width = reader.ReadInt32(),
Height = reader.ReadInt32()
};
if (mip.Width >= 4 || mip.Height >= 4) mip.ImageData = (await bulkChunk.DecompressChunk(0))?.GetBytes();
MipMaps.Add(mip);
});
}
Guid = await reader.ReadBytes(16);
}
public override async Task SaveObject(string filename, object configuration)
{
if (MipMaps == null || !MipMaps.Any())
{
return;
}
DdsSaveConfig config = configuration as DdsSaveConfig ?? new DdsSaveConfig(FileFormat.Unknown, 0, 0, false, false);
FileFormat format;
DomainMipMap mipMap = MipMaps.Where(mm => mm.ImageData != null && mm.ImageData.Length > 0).OrderByDescending(mm => mm.Width > mm.Height ? mm.Width : mm.Height).FirstOrDefault();
if (mipMap == null)
{
return;
}
Stream memory = buildDdsImage(MipMaps.IndexOf(mipMap), out format);
if (memory == null)
{
return;
}
DdsFile ddsImage = new DdsFile(memory);
FileStream ddsStream = new FileStream(filename, FileMode.Create);
config.FileFormat = format;
await Task.Run(() => ddsImage.Save(ddsStream, config));
ddsStream.Close();
memory.Close();
}
private MemoryStream buildDdsImage(int mipMapIndex, out ImageEngineFormat imageFormat)
{
DomainPropertyByteValue formatProp = PropertyHeader.GetProperty("Format").FirstOrDefault()?.Value as DomainPropertyByteValue;
imageFormat = ImageEngineFormat.Unknown;
if (formatProp == null)
{
return(null);
}
string format = formatProp.PropertyString.Replace("PF_", null);
switch (format)
{
case "DXT1":
{
imageFormat = ImageEngineFormat.DDS_DXT1;
break;
}
case "DXT5":
{
imageFormat = ImageEngineFormat.DDS_DXT5;
break;
}
case "G8":
{
imageFormat = ImageEngineFormat.DDS_G8_L8;
break;
}
case "A8R8G8B8":
{
imageFormat = ImageEngineFormat.DDS_ARGB;
break;
}
default:
{
return(null);
}
}
DomainMipMap mipMap = MipMaps[mipMapIndex];
DDSGeneral.DDS_HEADER header = DDSGeneral.Build_DDS_Header(0, mipMap.Height, mipMap.Width, imageFormat);
MemoryStream stream = new MemoryStream();
BinaryWriter writer = new BinaryWriter(stream);
DDSGeneral.Write_DDS_Header(header, writer);
stream.Write(mipMap.ImageData, 0, mipMap.ImageData.Length);
stream.Flush();
stream.Position = 0;
return(stream);
}
