ImageData ApplyMaskToWipData(ImageMetaData info, byte[] image, string mask_name)
{
using (var mask_file = VFS.OpenBinaryStream(mask_name))
{
if (mask_file.Signature != Signature)
{
throw new InvalidFormatException();
}
var mask_info = ReadMetaData(mask_file) as WipMetaData;
if (null == mask_info || 8 != mask_info.BPP ||
info.Width != mask_info.Width || info.Height != mask_info.Height)
{
throw new InvalidFormatException();
}
using (var reader = new Reader(mask_file, mask_info))
{
reader.Unpack();
var palette = reader.Palette;
int dst_stride = (int)info.Width * 4;
var pixels = new byte[dst_stride * (int)info.Height];
int plane_size = (int)info.Width * (int)info.Height;
var alpha = reader.Data;
int dst = 0;
for (int src = 0; src < plane_size; ++src)
{
pixels[dst++] = image[src];
pixels[dst++] = image[src + plane_size];
pixels[dst++] = image[src + plane_size * 2];
var color = palette[alpha[src]];
pixels[dst++] = (byte)((color.B + color.G + color.R) / 3);
}
return(ImageData.Create(info, PixelFormats.Bgra32, null, pixels, dst_stride));
}
}
}
public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
var meta = (DziMetaData)info;
PixelFormat format = PixelFormats.Bgra32;
var bitmap = new WriteableBitmap((int)meta.Width, (int)meta.Height, ImageData.DefaultDpiX,
ImageData.DefaultDpiY, format, null);
int actual_width = 0;
int actual_height = 0;
byte[] pixels = null;
foreach (var tile in meta.Tiles.First())
{
var image_entry = VFS.GetFiles(tile.FileName + ".*").FirstOrDefault();
if (null == image_entry)
{
throw new FileNotFoundException("Tile not found", tile.FileName);
}
using (var input = VFS.OpenBinaryStream(image_entry))
{
var image = Read(input);
if (null == image)
{
throw new FileFormatException("Unknown DZI tile format");
}
var converted = image.Bitmap;
if (converted.Format != format)
{
converted = new FormatConvertedBitmap(converted, format, null, 0);
}
int stride = converted.PixelWidth * 4;
int tile_size = stride * converted.PixelHeight;
if (null == pixels || pixels.Length < tile_size)
{
pixels = new byte[tile_size];
}
converted.CopyPixels(pixels, stride, 0);
var width = Math.Min(converted.PixelWidth, bitmap.PixelWidth - tile.X);
var height = Math.Min(converted.PixelHeight, bitmap.PixelHeight - tile.Y);
var rect = new Int32Rect(tile.X, tile.Y, width, height);
bitmap.WritePixels(rect, pixels, stride, 0);
if (tile.X + width > actual_width)
{
actual_width = tile.X + width;
}
if (tile.Y + height > actual_height)
{
actual_height = tile.Y + height;
}
}
}
BitmapSource result = bitmap;
if (actual_width < bitmap.PixelWidth || actual_height < bitmap.PixelHeight)
{
var rect = new Int32Rect(0, 0, actual_width, actual_height);
result = new CroppedBitmap(bitmap, rect);
}
result.Freeze();
return(new ImageData(result, meta));
}
ImageData ApplyMaskToImage(RctMetaData info, byte[] image, string mask_name)
{
using (var mask_file = VFS.OpenBinaryStream(mask_name))
{
var mask_info = s_rc8_format.Value.ReadMetaData(mask_file);
if (null == mask_info ||
info.Width != mask_info.Width || info.Height != mask_info.Height)
{
throw new InvalidFormatException();
}
using (var reader = new Rc8Format.Reader(mask_file, mask_info))
{
reader.Unpack();
var palette = reader.Palette;
int dst_stride = (int)info.Width * 4;
var pixels = new byte[dst_stride * (int)info.Height];
var alpha = reader.Data;
int a_src = 0;
int src = 0;
for (int dst = 0; dst < pixels.Length; dst += 4)
{
pixels[dst] = image[src++];
pixels[dst + 1] = image[src++];
pixels[dst + 2] = image[src++];
var color = palette[alpha[a_src++]];
pixels[dst + 3] = (byte)~((color.B + color.G + color.R) / 3);
}
return(ImageData.Create(info, PixelFormats.Bgra32, null, pixels, dst_stride));
}
}
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.Name.HasExtension(".BND"))
{
return(null);
}
var idx_name = Path.ChangeExtension(file.Name, "idx");
if (!VFS.FileExists(idx_name))
{
return(null);
}
using (var idx = VFS.OpenBinaryStream(idx_name))
{
int count = (int)idx.Length / 0x18;
if (!IsSaneCount(count) || count * 0x18 != idx.Length)
{
return(null);
}
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = idx.ReadCString(0x10);
var entry = Create <Entry> (name);
entry.Size = idx.ReadUInt32();
entry.Offset = idx.ReadUInt32();
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
}
return(new ArcFile(file, this, dir));
}
}
void LoadPreviewText(PreviewFile preview)
{
Stream file = null;
try
{
file = VFS.OpenBinaryStream(preview.Entry).AsStream;
if (!TextView.IsTextFile(file))
{
ResetPreviewPane();
return;
}
var enc = EncodingChoice.SelectedItem as Encoding;
if (null == enc)
{
enc = TextView.GuessEncoding(file);
EncodingChoice.SelectedItem = enc;
}
TextView.DisplayStream(file, enc);
ActiveViewer = TextView;
CurrentTextInput = file;
file = null;
}
catch (Exception X)
{
SetStatusText(X.Message);
}
finally
{
if (file != null)
{
file.Dispose();
}
}
}
internal EriReader ReadImageData(IBinaryStream stream, EriMetaData meta)
{
stream.Position = meta.StreamPos;
Color[] palette = null;
using (var input = new EriFile(stream.AsStream))
{
for (;;) // ReadSection throws an exception in case of EOF
{
var section = input.ReadSection();
if ("Stream " == section.Id)
{
continue;
}
if ("ImageFrm" == section.Id)
{
break;
}
if ("Palette " == section.Id && meta.BPP <= 8 && section.Length <= 0x400)
{
palette = ReadPalette(stream.AsStream, (int)section.Length);
continue;
}
input.BaseStream.Seek(section.Length, SeekOrigin.Current);
}
}
var reader = new EriReader(stream.AsStream, meta, palette);
reader.DecodeImage();
if (!string.IsNullOrEmpty(meta.Description))
{
var tags = ParseTagInfo(meta.Description);
string ref_file;
if (tags.TryGetValue("reference-file", out ref_file))
{
ref_file = ref_file.TrimEnd(null);
if (!string.IsNullOrEmpty(ref_file))
{
if ((meta.BPP + 7) / 8 < 3)
{
throw new InvalidFormatException();
}
ref_file = VFS.CombinePath(VFS.GetDirectoryName(meta.FileName), ref_file);
using (var ref_src = VFS.OpenBinaryStream(ref_file))
{
var ref_info = ReadMetaData(ref_src) as EriMetaData;
if (null == ref_info)
{
throw new FileNotFoundException("Referenced image not found", ref_file);
}
ref_info.FileName = ref_file;
var ref_reader = ReadImageData(ref_src, ref_info);
reader.AddImageBuffer(ref_reader);
}
}
}
}
return(reader);
}
byte[] ReadBaseImage(IBinaryStream file, RctMetaData meta)
{
file.Position = meta.DataOffset;
byte[] name_bin = file.ReadBytes(meta.AddSize);
if (name_bin.Length != meta.AddSize)
{
throw new EndOfStreamException();
}
try
{
string name = Encodings.cp932.GetString(name_bin, 0, name_bin.Length - 1);
string dir_name = VFS.GetDirectoryName(meta.FileName);
name = VFS.CombinePath(dir_name, name);
if (VFS.FileExists(name))
{
using (var base_file = VFS.OpenBinaryStream(name))
{
var base_info = ReadMetaData(base_file) as RctMetaData;
if (null != base_info && 0 == base_info.AddSize &&
meta.Width == base_info.Width && meta.Height == base_info.Height)
{
base_info.FileName = name;
return(ReadPixelsData(base_file, base_info));
}
}
}
}
catch { /* ignore baseline image read errors */ }
return(null);
}
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);
}
byte[] ReadBaseImage(IBinaryStream file, RctMetaData meta)
{
try
{
file.Position = meta.DataOffset;
var name = file.ReadCString(meta.BaseNameLength);
string dir_name = VFS.GetDirectoryName(meta.FileName);
name = VFS.CombinePath(dir_name, name);
if (VFS.FileExists(name))
{
using (var base_file = VFS.OpenBinaryStream(name))
{
var base_info = ReadMetaData(base_file) as RctMetaData;
if (null != base_info &&
meta.Width == base_info.Width && meta.Height == base_info.Height)
{
base_info.BaseRecursionDepth = meta.BaseRecursionDepth + 1;
base_info.FileName = name;
return(ReadPixelsData(base_file, base_info));
}
}
}
}
catch { /* ignore baseline image read errors */ }
return(null);
}
void ReadBaseImage()
{
try
{
string dir_name = VFS.GetDirectoryName(m_info.FileName);
string base_name = Path.ChangeExtension(m_info.BaseName, "qnt");
base_name = VFS.CombinePath(dir_name, base_name);
using (var base_file = VFS.OpenBinaryStream(base_name))
{
var base_info = Qnt.ReadMetaData(base_file) as QntMetaData;
if (null != base_info && m_info.Width == base_info.Width && m_info.Height == base_info.Height)
{
base_info.FileName = base_name;
var reader = new QntFormat.Reader(base_file.AsStream, base_info);
reader.Unpack();
m_base_bpp = reader.BPP;
m_base = reader.Data;
}
}
}
catch (Exception X)
{
Trace.WriteLine(X.Message, "[DCF]");
}
}
public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
var meta = (PgdIncMetaData)info;
string dir_name = VFS.GetDirectoryName(meta.FileName);
string name = VFS.CombinePath(dir_name, meta.BaseName);
PgdGeMetaData base_info;
byte[] image, overlay;
PixelFormat format;
using (var base_file = VFS.OpenBinaryStream(name))
{
base_info = PalFormat.Value.ReadMetaData(base_file) as PgdGeMetaData;
if (null == base_info)
{
throw new InvalidFormatException("Invalid baseline image format");
}
if (meta.OffsetX + meta.Width > base_info.Width ||
meta.OffsetY + meta.Height > base_info.Height)
{
throw new InvalidFormatException("Incompatible baseline image dimensions");
}
base_info.FileName = name;
using (var reader = new PgdReader(base_file, base_info))
{
image = reader.UnpackGE();
format = reader.Format;
}
}
using (var reader = new PgdReader(stream, meta))
overlay = reader.UnpackOverlay();
int overlay_bpp = meta.BPP / 8;
int base_bpp = format.BitsPerPixel / 8;
int dst = (meta.OffsetY * (int)base_info.Width + meta.OffsetX) * base_bpp;
int gap = (int)(base_info.Width - meta.Width) * base_bpp;
int src = 0;
bool apply_alpha = overlay_bpp == 4 && base_bpp == 4;
for (uint y = 0; y < meta.Height; ++y)
{
for (uint x = 0; x < meta.Width; ++x)
{
image[dst] ^= overlay[src];
image[dst + 1] ^= overlay[src + 1];
image[dst + 2] ^= overlay[src + 2];
if (apply_alpha)
{
image[dst + 3] ^= overlay[src + 3];
}
dst += base_bpp;
src += overlay_bpp;
}
dst += gap;
}
base_info.FileName = meta.FileName;
return(ImageData.Create(base_info, format, null, image));
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.Name.HasExtension("DAT"))
{
return(null);
}
var hed_name = Path.ChangeExtension(file.Name, "HED");
if (!VFS.FileExists(hed_name))
{
return(null);
}
using (var hed = VFS.OpenBinaryStream(hed_name))
{
var base_name = Path.GetFileNameWithoutExtension(file.Name);
var dir = new List <Entry>();
var name_buffer = new byte[0x100];
while (hed.PeekByte() != -1)
{
int name_length = hed.ReadUInt8();
string name;
if (name_length != 0)
{
if (hed.Read(name_buffer, 0, name_length) != name_length)
{
return(null);
}
for (int i = 0; i < name_length; ++i)
{
name_buffer[i] ^= 0xFF;
}
name = Binary.GetCString(name_buffer, 0, name_length);
}
else
{
name = string.Format("{0}#{1:D4}", base_name, dir.Count);
}
var entry = new Entry {
Name = name,
Offset = hed.ReadUInt32(),
};
if (entry.Offset > file.MaxOffset)
{
return(null);
}
dir.Add(entry);
}
if (0 == dir.Count)
{
return(null);
}
AdjustSizes(dir, file.MaxOffset);
DetectFileTypes(dir, file);
return(new ArcFile(file, this, dir));
}
}
public override ArcFile TryOpen(ArcView file)
{
string lst_name = IndexExtensions.Select(ext => file.Name + ext)
.FirstOrDefault(name => VFS.FileExists(name));
if (null == lst_name)
{
return(null);
}
using (var lst = VFS.OpenBinaryStream(lst_name))
{
const int name_length = 0x41;
var dir = new List <Entry>();
var name_buffer = new byte[name_length];
while (lst.Read(name_buffer, 0, name_length) == name_length)
{
int name_end;
for (name_end = 0; name_end < name_length; ++name_end)
{
if (0 == name_buffer[name_end])
{
break;
}
name_buffer[name_end] ^= DefaultKey;
}
var name = Binary.GetCString(name_buffer, 0, name_end);
uint offset = lst.ReadUInt32();
if (offset > file.MaxOffset)
{
return(null);
}
byte type = lst.ReadUInt8();
if (type < KnownTypes.Length)
{
name = Path.ChangeExtension(name, KnownTypes[type]);
}
var entry = FormatCatalog.Instance.Create <YuEntry> (name);
entry.Offset = offset;
entry.ContentType = type;
dir.Add(entry);
}
if (0 == dir.Count)
{
return(null);
}
for (int i = 0; i < dir.Count; ++i)
{
long next_offset = i + 1 == dir.Count ? file.MaxOffset : dir[i + 1].Offset;
dir[i].Size = (uint)(next_offset - dir[i].Offset);
}
return(new ArcFile(file, this, dir));
}
}
public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
var meta = (DifMetaData)info;
BitmapSource base_bitmap;
using (var input = VFS.OpenBinaryStream(meta.BaseEntry))
{
var image = meta.BaseFormat.Read(input, meta.BaseInfo);
base_bitmap = image.Bitmap;
}
stream.Position = 0x7C;
var index = new byte[meta.IndexSize];
using (var input = new LzssStream(stream.AsStream, LzssMode.Decompress, true))
if (index.Length != input.Read(index, 0, index.Length))
{
throw new EndOfStreamException();
}
if (base_bitmap.Format.BitsPerPixel != 24)
{
base_bitmap = new FormatConvertedBitmap(base_bitmap, PixelFormats.Bgr24, null, 0);
}
int src_stride = base_bitmap.PixelWidth * 3; // XXX
int dst_stride = (src_stride + 3) & ~3;
var pixels = new byte[dst_stride * base_bitmap.PixelHeight];
int row_offset = 0;
var rect = new Int32Rect(0, base_bitmap.PixelHeight, base_bitmap.PixelWidth, 1);
for (rect.Y = base_bitmap.PixelHeight - 1; rect.Y >= 0; --rect.Y)
{
base_bitmap.CopyPixels(rect, pixels, src_stride, row_offset);
row_offset += dst_stride;
}
stream.Position = 0x7C + meta.PackedIndexSize;
using (var diff = new LzssStream(stream.AsStream, LzssMode.Decompress, true))
{
int index_src = 0;
for (int i = 0; i < meta.DiffCount; ++i)
{
int offset = LittleEndian.ToInt32(index, index_src);
int size = LittleEndian.ToInt32(index, index_src + 4);
index_src += 8;
diff.Read(pixels, offset, size);
}
return(ImageData.CreateFlipped(info, PixelFormats.Bgr24, null, pixels, dst_stride));
}
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(4);
if (!IsSaneCount(count))
{
return(null);
}
var pac_name = Path.GetFileNameWithoutExtension(file.Name);
int pac_num;
if (!Int32.TryParse(pac_name, out pac_num))
{
return(null);
}
var hdr_name = string.Format("{0:D3}.dat", pac_num - 1);
hdr_name = VFS.ChangeFileName(file.Name, hdr_name);
if (!VFS.FileExists(hdr_name))
{
return(null);
}
using (var index = VFS.OpenBinaryStream(hdr_name))
{
var header = index.ReadHeader(8);
if (!header.AsciiEqual("\x89HDR"))
{
return(null);
}
if (header.ToInt32(4) != count)
{
return(null);
}
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = index.ReadCString(0x10);
var entry = FormatCatalog.Instance.Create <Entry> (name);
entry.Size = index.ReadUInt32();
entry.Offset = index.ReadUInt32();
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
}
return(new ArcFile(file, this, dir));
}
}
public virtual LinkEncryption GetEncryption()
{
var params_dir = VFS.GetDirectoryName(m_input.Name);
var params_dat = VFS.CombinePath(params_dir, "params.dat");
if (!VFS.FileExists(params_dat))
{
return(null);
}
using (var input = VFS.OpenBinaryStream(params_dat))
{
var param = ParamsDeserializer.Create(input);
return(param.GetEncryption());
}
}
BitmapSource BlendBaseLine(BitmapSource overlay, GdtMetaData meta)
{
string base_name = VFS.ChangeFileName(meta.FileName, meta.BaseLine);
if (!VFS.FileExists(base_name))
{
base_name += ".gdt";
if (!VFS.FileExists(base_name))
{
return(overlay);
}
}
using (var base_file = VFS.OpenBinaryStream(base_name))
{
var base_info = ReadMetaData(base_file) as GdtMetaData;
if (null == base_info)
{
return(overlay);
}
var base_image = ReadBitmapSource(base_file, base_info);
if (base_image.Format.BitsPerPixel < 24)
{
base_image = new FormatConvertedBitmap(base_image, PixelFormats.Bgr32, null, 0);
}
var canvas = new WriteableBitmap(base_image);
int canvas_bpp = canvas.Format.BitsPerPixel;
if (canvas_bpp != overlay.Format.BitsPerPixel)
{
overlay = new FormatConvertedBitmap(overlay, canvas.Format, null, 0);
}
canvas.Lock();
unsafe
{
byte *buffer = (byte *)canvas.BackBuffer;
int canvas_stride = canvas.BackBufferStride;
int canvas_size = canvas_stride * canvas.PixelHeight;
int overlay_stride = (overlay.PixelWidth * canvas_bpp + 7) / 8;
int overlay_size = overlay_stride * overlay.PixelHeight;
int pos = meta.OffsetY * canvas_stride + meta.OffsetX * canvas_bpp / 8;
overlay.CopyPixels(Int32Rect.Empty, (IntPtr)(buffer + pos), canvas_size - pos, canvas_stride);
}
var rect = new Int32Rect(meta.OffsetX, meta.OffsetY, overlay.PixelWidth, overlay.PixelHeight);
canvas.AddDirtyRect(rect);
canvas.Unlock();
return(canvas);
}
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
var reader = new CbfReader(file, (CbfMetaData)info);
var pixels = reader.Unpack();
var alp_name = Path.ChangeExtension(file.Name, "alp");
if (VFS.FileExists(alp_name))
{
try
{
using (var alp = VFS.OpenBinaryStream(alp_name))
return(ReadAlpha(alp, info, pixels));
}
catch { /* ignore mask read errors */ }
}
return(ImageData.Create(info, PixelFormats.Bgr24, null, pixels));
}
BitmapSource ReadBitmapFromFile(string filename)
{
using (var input = VFS.OpenBinaryStream(filename))
{
var image = Read(input);
if (null == image)
{
throw new InvalidFormatException("Invalid IPT tile format.");
}
var bitmap = image.Bitmap;
if (bitmap.Format.BitsPerPixel != 32)
{
bitmap = new FormatConvertedBitmap(bitmap, PixelFormats.Bgr32, null, 0);
}
return(bitmap);
}
}
public override ImageMetaData ReadMetaData(IBinaryStream stream)
{
var header = stream.ReadHeader(0x7C);
var base_name = header.GetCString(4, 100);
if (string.IsNullOrEmpty(base_name))
{
return(null);
}
var files = VFS.GetFiles(base_name + ".*");
if (!files.Any())
{
throw new FileNotFoundException(string.Format("Base image '{0}' not found", base_name));
}
var base_entry = files.First();
if (base_entry.Name.Equals(stream.Name, StringComparison.InvariantCultureIgnoreCase))
{
throw new InvalidFormatException("DIF image references itself");
}
using (var input = VFS.OpenBinaryStream(base_entry))
{
// infinite recursion still possible in case of two files referencing each other.
var format = ImageFormat.FindFormat(input);
if (null == format)
{
throw new InvalidFormatException(string.Format("Unable to interpret base image '{0}'", base_name));
}
format.Item2.FileName = base_entry.Name;
return(new DifMetaData
{
Width = format.Item2.Width,
Height = format.Item2.Height,
BPP = 24,
BaseEntry = base_entry,
BaseFormat = format.Item1,
BaseInfo = format.Item2,
PackedIndexSize = header.ToInt32(0x68),
IndexSize = header.ToInt32(0x6C),
PackedDiffSize = header.ToInt32(0x70),
DiffDataSize = header.ToInt32(0x74),
DiffCount = header.ToInt32(0x78),
});
}
}
static public RioReader Create(ArcView file)
{
if (CRioArchive.RioSignature == file.View.ReadUInt32(0))
{
return(new RioReader(file));
}
if (file.Name.HasExtension(".ici"))
{
return(null);
}
var ici_name = file.Name + ".ici";
if (!VFS.FileExists(ici_name))
{
ici_name = Path.ChangeExtension(file.Name, ".ici");
if (!VFS.FileExists(ici_name))
{
return(null);
}
}
byte[] ici_data;
using (var ici = VFS.OpenBinaryStream(ici_name))
ici_data = ReadIci(ici, IciKey);
CObjectArcMan arc_man;
using (var ici = new BinMemoryStream(ici_data))
{
var rio = new CRioArchive(ici);
arc_man = rio.DeserializeRoot() as CObjectArcMan;
if (null == arc_man)
{
return(null);
}
}
var arc_object = arc_man.ArcList.FirstOrDefault();
if (null == arc_object || !VFS.IsPathEqualsToFileName(file.Name, arc_object.RioName))
{
return(null);
}
return(new RioReader(arc_man, file));
}
byte[] LoadBaseImage(string name)
{
// judging by the code, files with "pb3" extension could as well contain PNG or BMP images,
// so we couldn't just shortcut to another instance of Pb3Reader here.
var path = VFS.GetDirectoryName(m_info.FileName);
name = VFS.CombinePath(path, name);
if (name.Equals(m_info.FileName, StringComparison.InvariantCultureIgnoreCase))
{
throw new InvalidFormatException();
}
// two files referencing each other still could create infinite recursion
using (var base_file = VFS.OpenBinaryStream(name))
{
var image_data = ImageFormat.Read(base_file);
int stride = image_data.Bitmap.PixelWidth * 4;
var pixels = new byte[stride * image_data.Bitmap.PixelHeight];
image_data.Bitmap.CopyPixels(pixels, stride, 0);
return(pixels);
}
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.Name.HasExtension(".dat"))
{
return(null);
}
var idx_name = VFS.ChangeFileName(file.Name, "index.idx");
if (!VFS.FileExists(idx_name))
{
return(null);
}
using (var index = VFS.OpenBinaryStream(idx_name))
{
var dir = new List <Entry>();
while (index.PeekByte() != -1)
{
var name = index.ReadCString(0x34);
if (string.IsNullOrEmpty(name))
{
break;
}
var entry = Create <Entry> (name);
entry.Offset = index.ReadUInt32();
entry.Size = index.ReadUInt32();
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
}
if (0 == dir.Count)
{
return(null);
}
return(new ArcFile(file, this, dir));
}
}
uint WriteAmiEntry(PackedEntry entry, Stream output)
{
uint packed_size = 0;
using (var input = VFS.OpenBinaryStream(entry))
{
long file_size = input.Length;
if (file_size > uint.MaxValue)
{
throw new FileSizeException();
}
entry.UnpackedSize = (uint)file_size;
if ("image" == entry.Type)
{
packed_size = WriteImageEntry(entry, input, output);
}
else
{
input.AsStream.CopyTo(output);
}
}
return(packed_size);
}
public override ImageData Read(IBinaryStream file, ImageMetaData info)
{
var meta = (TxtMetaData)info;
var bitmap = new WriteableBitmap(meta.iWidth, meta.iHeight, ImageData.DefaultDpiX,
ImageData.DefaultDpiY, PixelFormats.Bgra32, null);
var dir = VFS.GetDirectoryName(meta.FileName);
foreach (var tile in meta.Tiles)
{
var filename = VFS.CombinePath(dir, tile.FileName);
using (var input = VFS.OpenBinaryStream(filename))
{
var tile_info = DetFormat.Value.ReadMetaData(input) as DetBmpMetaData;
if (null == tile_info)
{
throw new InvalidFormatException("Invalid uGOS tile bitmap.");
}
if (tile.X >= meta.iWidth || tile.Y >= meta.iHeight)
{
continue;
}
var reader = new DetBmpFormat.Reader(input, tile_info);
reader.Unpack();
int width = Math.Min(tile_info.iWidth, meta.iWidth - tile.X);
int height = Math.Min(tile_info.iHeight, meta.iHeight - tile.Y);
var src_rect = new Int32Rect(0, 0, width, height);
bitmap.WritePixels(src_rect, reader.Data, reader.Stride, tile.X, tile.Y);
}
}
var flipped = new TransformedBitmap(bitmap, new ScaleTransform {
ScaleY = -1
});
flipped.Freeze();
return(new ImageData(flipped, meta));
}
public override ImageData Read(IBinaryStream stream, ImageMetaData info)
{
var meta = (CrxdMetaData)info;
IBinaryStream base_file = OpenByOffset(meta.BaseOffset);
if (null == base_file)
{
var dir_name = VFS.GetDirectoryName(meta.FileName);
var name = VFS.CombinePath(dir_name, meta.BaseFileName);
if (!VFS.FileExists(name))
{
throw new FileNotFoundException("Base image not found", meta.BaseFileName);
}
base_file = VFS.OpenBinaryStream(name);
}
using (base_file)
{
var base_info = base.ReadMetaData(base_file) as CrxMetaData;
if (null == base_info || base_info.BPP != info.BPP)
{
throw new InvalidFormatException("Invalid base image");
}
using (var reader = new Reader(base_file, base_info))
using (var crx = OpenDiffStream(stream, meta))
using (var diff_reader = new Reader(crx, meta.DiffInfo))
{
reader.Unpack(true);
diff_reader.Unpack(true);
var diff_rect = new Rectangle(meta.OffsetX, meta.OffsetY, (int)meta.Width, (int)meta.Height);
var base_rect = new Rectangle(base_info.OffsetX, base_info.OffsetY,
(int)base_info.Width, (int)base_info.Height);
diff_rect = Rectangle.Intersect(diff_rect, base_rect);
if (diff_rect.IsEmpty)
{
return(ImageData.Create(base_info, reader.Format, reader.Palette, reader.Data, reader.Stride));
}
int pixel_size = base_info.BPP / 8;
int x = diff_rect.X - base_rect.X;
int y = diff_rect.Y - base_rect.Y;
int dst = y * reader.Stride + pixel_size * x;
var image = reader.Data;
int dx = diff_rect.X - meta.OffsetX;
int dy = diff_rect.Y - meta.OffsetY;
int src = dy * diff_reader.Stride + pixel_size * dx;
var diff = diff_reader.Data;
int blend_stride = diff_rect.Width * pixel_size;
for (int row = 0; row < diff_rect.Height; ++row)
{
for (int i = 0; i < blend_stride; i += pixel_size)
{
image[dst + i] += diff[src + i];
image[dst + i + 1] += diff[src + i + 1];
image[dst + i + 2] += diff[src + i + 2];
if (4 == pixel_size)
{
image[dst + i + 3] -= diff[src + i + 3];
}
}
dst += reader.Stride;
src += diff_reader.Stride;
}
return(ImageData.Create(base_info, reader.Format, reader.Palette, image, reader.Stride));
}
}
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.Name.HasExtension(".bin"))
{
return(null);
}
var idx_name = Path.ChangeExtension(file.Name, "idx");
if (!VFS.FileExists(idx_name))
{
return(null);
}
var scheme = QueryScheme(file.Name);
if (null == scheme)
{
return(null);
}
var dir = new List <Entry>();
using (var idx = VFS.OpenBinaryStream(idx_name))
using (var aes = Aes.Create())
{
aes.Padding = PaddingMode.PKCS7;
aes.Mode = CipherMode.CBC;
aes.KeySize = 128;
aes.Key = scheme.Key;
aes.IV = scheme.IV;
var input_buffer = new byte[0x100];
var unpacker = new BinDeserializer();
while (idx.PeekByte() != -1)
{
int length = idx.ReadInt32();
if (length <= 0)
{
return(null);
}
if (length > input_buffer.Length)
{
input_buffer = new byte[length];
}
if (idx.Read(input_buffer, 0, length) < length)
{
return(null);
}
using (var decryptor = aes.CreateDecryptor())
using (var encrypted = new MemoryStream(input_buffer, 0, length))
using (var input = new InputCryptoStream(encrypted, decryptor))
{
var info = unpacker.DeserializeEntry(input);
var filename = info["fileName"] as string;
if (string.IsNullOrEmpty(filename))
{
return(null);
}
filename = filename.TrimStart('/', '\\');
var entry = Create <Entry> (filename);
entry.Offset = Convert.ToInt64(info["index"]);
entry.Size = Convert.ToUInt32(info["size"]);
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
}
}
}
if (0 == dir.Count)
{
return(null);
}
var arc_aes = Aes.Create();
arc_aes.Padding = PaddingMode.PKCS7;
arc_aes.Mode = CipherMode.CBC;
arc_aes.KeySize = 256;
arc_aes.Key = scheme.Key;
arc_aes.IV = scheme.IV;
return(new BinArchive(file, this, dir, arc_aes));
}
public IniReader(string ini_name)
{
m_ini = VFS.OpenBinaryStream(ini_name);
}
ImageData TryBlendImage(string base_name, GsaReader overlay, ImageMetaData overlay_info)
{
int ovl_x = overlay_info.OffsetX;
int ovl_y = overlay_info.OffsetY;
int ovl_width = (int)overlay_info.Width;
int ovl_height = (int)overlay_info.Height;
if (ovl_x < 0)
{
ovl_width += ovl_x;
ovl_x = 0;
}
if (ovl_y < 0)
{
ovl_height += ovl_y;
ovl_y = 0;
}
using (var input = VFS.OpenBinaryStream(base_name))
{
var base_info = ReadMetaData(input) as GsaMetaData;
if (null == base_info)
{
return(null);
}
int base_width = (int)base_info.Width;
int base_height = (int)base_info.Height;
if (checked (ovl_x + ovl_width) > base_width)
{
ovl_width = base_width - ovl_x;
}
if (checked (ovl_y + ovl_height) > base_height)
{
ovl_height = base_height - ovl_y;
}
if (ovl_height <= 0 || ovl_width <= 0)
{
return(null);
}
input.Position = 0;
var reader = new GsaReader(input, base_info);
var base_pixels = reader.Unpack();
int src_pixel_size = overlay.PixelSize;
int dst_pixel_size = reader.PixelSize;
int dst = ovl_y * reader.Stride + ovl_x * dst_pixel_size;
int src = 0;
for (int y = 0; y < ovl_height; ++y)
{
int src_pixel = src;
int dst_pixel = dst;
for (int x = 0; x < ovl_width; ++x)
{
int src_alpha = overlay.Data[src_pixel + 3];
if (src_alpha > 0)
{
if (0xFF == src_alpha)
{
Buffer.BlockCopy(overlay.Data, src_pixel, base_pixels, dst_pixel, dst_pixel_size);
}
else // assume destination has no alpha channel
{
base_pixels[dst_pixel + 0] = (byte)((overlay.Data[src_pixel + 0] * src_alpha
+ base_pixels[dst_pixel + 0] * (0xFF - src_alpha)) / 0xFF);
base_pixels[dst_pixel + 1] = (byte)((overlay.Data[src_pixel + 1] * src_alpha
+ base_pixels[dst_pixel + 1] * (0xFF - src_alpha)) / 0xFF);
base_pixels[dst_pixel + 2] = (byte)((overlay.Data[src_pixel + 2] * src_alpha
+ base_pixels[dst_pixel + 2] * (0xFF - src_alpha)) / 0xFF);
}
}
src_pixel += src_pixel_size;
dst_pixel += dst_pixel_size;
}
src += overlay.Stride;
dst += reader.Stride;
}
return(ImageData.CreateFlipped(base_info, reader.Format, null, base_pixels, reader.Stride));
}
}
public override ImageData Read(IBinaryStream input, ImageMetaData info)
{
var meta = (AgfMetaData)info;
var pixels = new byte[meta.Width * meta.Height * 4];
int dst = 0;
input.Position = meta.DataOffset;
while (dst < pixels.Length)
{
uint op = input.ReadUInt32();
int count = (int)(op >> 8);
switch (op & 0xFF)
{
case 1:
count *= 4;
input.Read(pixels, dst, count);
break;
case 2:
input.Read(pixels, dst, 4);
count *= 4;
Binary.CopyOverlapped(pixels, dst, dst + 4, count - 4);
break;
case 3:
int chunk_size = (count >> 8) * 4;
count = (count & 0xFF) * chunk_size;
input.Read(pixels, dst, chunk_size);
Binary.CopyOverlapped(pixels, dst, dst + chunk_size, count - chunk_size);
break;
case 4:
int offset = (count & 0xFFF) * 4;
count = (count >> 12) * 4;
Binary.CopyOverlapped(pixels, dst - offset, dst, count);
break;
case 5:
count = (count >> 8) & 0xFF;
input.Seek((count - count / 4) * 4, SeekOrigin.Current);
count *= 4;
break;
default:
throw new InvalidFormatException();
}
dst += count;
}
if (0 != (meta.Flags & 0x10) && 0 != meta.BaseNameOffset)
{
try
{
var base_name = ReadBaseName(input, meta);
if (VFS.FileExists(base_name))
{
using (var base_file = VFS.OpenBinaryStream(base_name))
{
var base_image = Read(base_file);
BlendImage(meta, pixels, base_image.Bitmap);
}
}
}
catch (Exception X)
{
Trace.WriteLine(string.Format("{0}: baseline image read error: {1}",
meta.FileName, X.Message), "[AGF]");
}
}
return(ImageData.Create(info, PixelFormats.Bgra32, null, pixels));
}
