public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
if (stream.Length > int.MaxValue)
{
throw new FileSizeException();
}
var header = stream.ReadHeader(14);
int data_length = header.ToInt32(10);
int input_length = (int)(stream.Length - stream.Position);
using (var lz = new LzssReader(stream.AsStream, input_length, data_length))
{
lz.FrameSize = 0x1000;
lz.FrameFill = 0x20;
lz.FrameInitPos = 0x1000 - 0x10;
lz.Unpack();
var data = lz.Data;
int count = Math.Min(100, data.Length);
for (int i = 0; i < count; ++i)
{
data[i] ^= 0xff;
}
using (var bmp = new BinMemoryStream(data, stream.Name))
return(Bmp.Read(bmp, info));
}
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
var meta = (LzsMetaData)info;
using (var input = OpenLzss(file, meta.UnpackedSize, meta.IsCompressed))
return(Bmp.Read(input, info));
}
public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
var meta = (YkgMetaData)info;
switch (meta.Format)
{
case YkgImage.Bmp:
using (var reg = new StreamRegion(stream.AsStream, meta.DataOffset, meta.DataSize, true))
using (var bmp = new BinaryStream(reg, stream.Name))
return(Bmp.Read(bmp, info));
case YkgImage.Png:
using (var reg = new StreamRegion(stream.AsStream, meta.DataOffset, meta.DataSize, true))
using (var png = new BinaryStream(reg, stream.Name))
return(Png.Read(png, info));
case YkgImage.Gnp:
using (var body = new StreamRegion(stream.AsStream, meta.DataOffset + 4, meta.DataSize - 4, true))
using (var pre = new PrefixStream(PngPrefix, body))
using (var png = new BinaryStream(pre, stream.Name))
return(Png.Read(png, info));
default:
throw new InvalidFormatException();
}
}
public override ImageData Read(Stream stream, ImageMetaData info)
{
var meta = info as YkgMetaData;
if (null == meta)
{
throw new ArgumentException("YkgFormat.Read should be supplied with YkgMetaData", "info");
}
switch (meta.Format)
{
case YkgImage.Bmp:
using (var bmp = new StreamRegion(stream, meta.DataOffset, meta.DataSize, true))
return(Bmp.Read(bmp, info));
case YkgImage.Png:
using (var png = new StreamRegion(stream, meta.DataOffset, meta.DataSize, true))
return(Png.Read(png, info));
case YkgImage.Gnp:
using (var body = new StreamRegion(stream, meta.DataOffset + 4, meta.DataSize - 4, true))
using (var png = new PrefixStream(PngPrefix, body))
return(Png.Read(png, info));
default:
throw new InvalidFormatException();
}
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
var meta = (IkeMetaData)info;
using (var bmp = IkeReader.CreateStream(file, meta.UnpackedSize))
return(Bmp.Read(bmp, info));
}
public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
var meta = (MgrMetaData)info;
stream.Position = meta.Offset;
var data = new byte[meta.UnpackedSize];
if (data.Length != MgrOpener.Decompress(stream.AsStream, data))
{
throw new InvalidFormatException();
}
if (meta.BPP != 32)
{
using (var bmp = new BinMemoryStream(data, stream.Name))
return(Bmp.Read(bmp, info));
}
// special case for 32bpp bitmaps with alpha-channel
int stride = (int)meta.Width * 4;
var pixels = new byte[stride * (int)meta.Height];
int src = LittleEndian.ToInt32(data, 0xA);
for (int dst = stride * ((int)meta.Height - 1); dst >= 0; dst -= stride)
{
Buffer.BlockCopy(data, src, pixels, dst, stride);
src += stride;
}
return(ImageData.Create(info, PixelFormats.Bgra32, null, pixels));
}
public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
using (var input = new XoredStream(stream.AsStream, 0x21, true))
using (var zstream = new ZLibStream(input, CompressionMode.Decompress))
using (var bmp = new BinaryStream(zstream, stream.Name))
return(Bmp.Read(bmp, info));
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
var bmp_data = Decompress(file);
using (var bmp = new BinMemoryStream(bmp_data))
return(Bmp.Read(bmp, info));
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
file.Seek(8, SeekOrigin.Current);
using (var zstream = new ZLibStream(file.AsStream, CompressionMode.Decompress, true))
using (var input = new SeekableStream(zstream))
using (var bmp = new BinaryStream(input, file.Name))
return(Bmp.Read(bmp, info));
}
public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
var meta = (NNNNMetaData)info;
using (var lzss = meta.Input.UnpackStream())
using (var bmp = new BinaryStream(lzss, stream.Name))
return(Bmp.Read(bmp, meta.BmpInfo));
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
var gps = (GpsMetaData)info;
file.Position = gps.HeaderSize;
using (var stream = OpenGpsStream(file, gps.Compression, gps.UnpackedSize))
using (var input = BinaryStream.FromStream(stream, file.Name))
return(Bmp.Read(input, info));
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
int unpacked_size = (int)file.Signature;
file.Position = 4;
var unpacked = Decompress(file, unpacked_size);
using (var bmp = new BinMemoryStream(unpacked, file.Name))
return(Bmp.Read(bmp, info));
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
var meta = (BmpMetaData)info;
var data = new byte[meta.ImageLength];
file.Position = 8;
Unpack(file, data);
using (var bmp = new BinMemoryStream(data))
return(Bmp.Read(bmp, info));
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
var meta = (YpMetaData)info;
file.Position = 8;
var data = LzUnpack(file, meta.UnpackedSize);
using (var bmp = new BinMemoryStream(data, file.Name))
return(Bmp.Read(bmp, info));
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
var meta = (MinkMetaData)info;
file.Position = 9;
var pixels = new byte[meta.UnpackedSize];
Unpack(file, pixels);
using (var bmp = new BinMemoryStream(pixels, file.Name))
return(Bmp.Read(bmp, info));
}
public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
var meta = (ZbmMetaData)info;
var data = new byte[meta.UnpackedSize];
stream.Position = meta.DataOffset;
Unpack(stream.AsStream, data);
Decrypt(data);
using (var bmp = new BinMemoryStream(data, stream.Name))
return(Bmp.Read(bmp, info));
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
var meta = (ExpMetaData)info;
file.Position = 0x28;
var reader = new ExpReader(file, meta.BitmapFileName);
var bmp_data = reader.Unpack(meta.BitmapSize);
using (var mem_bmp = new BinMemoryStream(bmp_data, file.Name))
return(Bmp.Read(mem_bmp, info));
}
public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
var meta = (EgnMetaData)info;
stream.Position = meta.DataOffset;
var reader = new Reader(stream, meta.UnpackedSize, meta.Mode, meta.Flag);
reader.Unpack();
using (var bmp = new BinMemoryStream(reader.Data, stream.Name))
return(Bmp.Read(bmp, info));
}
public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
stream.Position = 0x0e;
using (var lz = new LzssStream(stream.AsStream, LzssMode.Decompress, true))
{
lz.Config.FrameSize = 0x1000;
lz.Config.FrameFill = 0x20;
lz.Config.FrameInitPos = 0x1000 - 0x10;
using (var bmp = new BinaryStream(lz, stream.Name))
return(Bmp.Read(bmp, info));
}
}
public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
uint length = (uint)(stream.Length - 0x38);
var image = new byte[length + 0x38];
stream.Read(image, 0, 0x10);
stream.Read(image, 0xE, (int)length + 0x28);
if (24 == info.BPP && length + 2 == info.Width * info.Height * 3)
{
image[image.Length - 2] = 0xFF;
image[image.Length - 1] = 0xFF;
length += 2;
}
LittleEndian.Pack(length + 0x36, image, 2);
using (var bmp = new BinMemoryStream(image, stream.Name))
return(Bmp.Read(bmp, info));
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
ImageData base_img;
using (var input = new StreamRegion(file.AsStream, 0x24, true))
using (var bmp = new BinaryStream(input, file.Name))
{
var bmp_info = Bmp.ReadMetaData(bmp) as BmpMetaData;
if (null == bmp_info)
{
throw new InvalidFormatException();
}
bmp.Position = 0;
base_img = Bmp.Read(bmp, bmp_info);
file.Position = 0x24 + bmp_info.ImageLength;
if (file.PeekByte() == -1)
{
return(base_img);
}
}
using (var input = new StreamRegion(file.AsStream, file.Position, true))
using (var bmp = new BinaryStream(input, file.Name))
{
var bmp_info = Bmp.ReadMetaData(bmp) as BmpMetaData;
if (null == bmp_info)
{
return(base_img);
}
bmp.Position = 0;
var alpha_img = Bmp.Read(bmp, bmp_info);
var alpha_bmp = new FormatConvertedBitmap(alpha_img.Bitmap, PixelFormats.Gray8, null, 0);
var alpha = new byte[alpha_bmp.PixelWidth * alpha_bmp.PixelHeight];
alpha_bmp.CopyPixels(alpha, alpha_bmp.PixelWidth, 0);
var base_bmp = new FormatConvertedBitmap(base_img.Bitmap, PixelFormats.Bgr32, null, 0);
int stride = base_bmp.PixelWidth * 4;
var pixels = new byte[stride * base_bmp.PixelHeight];
base_bmp.CopyPixels(pixels, stride, 0);
int asrc = 0;
for (int dst = 3; dst < pixels.Length; dst += 4)
{
pixels[dst] = alpha[asrc++];
}
return(ImageData.Create(info, PixelFormats.Bgra32, null, pixels, stride));
}
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
var meta = (FgMetaData)info;
using (var input = new StreamRegion(file.AsStream, meta.DataOffset, meta.DataLength, true))
using (var bmp = new BinaryStream(input, file.Name))
{
var bmp_info = Bmp.ReadMetaData(bmp);
if (null == bmp_info)
{
throw new InvalidFormatException();
}
bmp.Position = 0;
bmp_info.OffsetX = meta.OffsetX;
bmp_info.OffsetY = meta.OffsetY;
return(Bmp.Read(bmp, bmp_info));
}
}
public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
var meta = (IafMetaData)info;
stream.Position = meta.DataOffset;
var bitmap = UnpackBitmap(stream.AsStream, meta.PackType, meta.PackedSize, meta.UnpackedSize);
if ('C' == bitmap[0])
{
bitmap[0] = (byte)'B';
if (info.BPP > 8)
{
bitmap = ConvertCM(bitmap, (int)info.Width, (int)info.Height, info.BPP);
}
}
if (info.BPP >= 24) // currently alpha channel could be applied to 24+bpp bitmaps only
{
try
{
int bmp_size = LittleEndian.ToInt32(bitmap, 2);
if (bitmap.Length - bmp_size > 0x36) // size of bmp header
{
if ('B' == bitmap[bmp_size] && 'M' == bitmap[bmp_size + 1] &&
8 == bitmap[bmp_size + 0x1c]) // 8bpp
{
uint alpha_width = LittleEndian.ToUInt32(bitmap, bmp_size + 0x12);
uint alpha_height = LittleEndian.ToUInt32(bitmap, bmp_size + 0x16);
if (info.Width == alpha_width && info.Height == alpha_height)
{
return(BitmapWithAlphaChannel(info, bitmap, bmp_size));
}
}
}
}
catch
{
// ignore any errors occured during alpha-channel read attempt,
// fallback to a plain bitmap
}
}
using (var bmp = new BinMemoryStream(bitmap, stream.Name))
return(Bmp.Read(bmp, info));
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
var meta = (GrMetaData)info;
using (var lzs = new LzssStream(file.AsStream, LzssMode.Decompress, true))
using (var bmp = new BinaryStream(lzs, file.Name))
{
if (32 != info.BPP)
{
return(Bmp.Read(bmp, info));
}
int stride = (int)info.Width * 4;
var pixels = new byte[Math.Max(0x36, stride * info.Height)];
bmp.Read(pixels, 0, 0x36); // skip header
for (int y = (int)info.Height - 1; y >= 0; --y)
{
int dst = y * stride;
bmp.Read(pixels, dst, stride);
}
return(ImageData.Create(info, PixelFormats.Bgra32, null, pixels));
}
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
using (var bmp = OpenBitmapStream(file, file.Signature))
return(Bmp.Read(bmp, info));
}
public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
using (var bmp = DecompressStream(stream))
return(Bmp.Read(bmp, info));
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
using (var input = OpenGamStream(file))
return(Bmp.Read(input, info));
}
public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
using (var bmp = OpenAsBitmap(stream))
return(Bmp.Read(bmp, info));
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
using (var bmp = DeobfuscateStream(file))
return(Bmp.Read(bmp, info));
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
file.Position = 0x20;
using (var bmp = UnpackStream(file))
return(Bmp.Read(bmp, info));
}