public ImageInfo Load(Stream input, IFileManager pluginManager)
{
using var br = new BinaryReaderX(input);
// Read header
_header = br.ReadType <ImgxHeader>();
// Load KTX
_imageState = LoadKtx(input, "file.ktx", pluginManager).Result;
return(_imageState.Images[0].ImageInfo);
}
public ImageInfo Load(Stream input)
{
using var br = new BinaryReaderX(input);
// Header
_header = br.ReadType <ImgxHeader>();
// Get tile table
var tileTableComp = new SubStream(input, _header.tableDataOffset, _header.tileTableSize);
var tileTable = new MemoryStream();
Level5Compressor.Decompress(tileTableComp, tileTable);
tileTableComp.Position = 0;
_tileTableMethod = (Level5CompressionMethod)(tileTableComp.ReadByte() & 0x7);
// Get image data
var imageDataComp = new SubStream(input, _header.tableDataOffset + _header.tileTableSizePadded, _header.imgDataSize);
var imageData = new MemoryStream();
Level5Compressor.Decompress(imageDataComp, imageData);
imageDataComp.Position = 0;
_imgDataMethod = (Level5CompressionMethod)(imageDataComp.ReadByte() & 0x7);
// Combine tiles to full image data
tileTable.Position = imageData.Position = 0;
var combinedImageStream = CombineTiles(tileTable, imageData, _header.bitDepth);
// Split image data and mip map data
var images = new byte[_header.imageCount][];
var(width, height) = ((_header.width + 7) & ~7, (_header.height + 7) & ~7);
for (var i = 0; i < _header.imageCount; i++)
{
images[i] = new byte[width * height * _header.bitDepth / 8];
combinedImageStream.Read(images[i], 0, images[i].Length);
(width, height) = (width >> 1, height >> 1);
}
var imageInfo = new ImageInfo(images.FirstOrDefault(), images.Skip(1).ToArray(), _header.imageFormat, new Size(_header.width, _header.height));
imageInfo.RemapPixels.With(context => new ImgxSwizzle(context, _header.magic));
return(imageInfo);
}
