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implemented DCF images.

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morkt 2016-07-29 18:10:13 +04:00
parent c3d04a0bbb
commit a7d48fe3fe
3 changed files with 259 additions and 18 deletions
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252
ArcFormats/AliceSoft/ImageDCF.cs Normal file
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@ -0,0 +1,252 @@
//! \file ImageDCF.cs
//! \date Fri Jul 29 14:07:15 2016
//! \brief AliceSoft incremental image format.
//
// Copyright (C) 2016 by morkt
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//
using System;
using System.ComponentModel.Composition;
using System.Diagnostics;
using System.IO;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using GameRes.Compression;
using GameRes.Utility;
namespace GameRes.Formats.AliceSoft
{
internal class DcfMetaData : ImageMetaData
{
public string BaseName;
public long DataOffset;
}
[Export(typeof(ImageFormat))]
public class DcfFormat : ImageFormat
{
public override string Tag { get { return "DCF"; } }
public override string Description { get { return "AliceSoft System incremental image"; } }
public override uint Signature { get { return 0x20666364; } } // 'dcf '
public override ImageMetaData ReadMetaData (Stream stream)
{
using (var reader = new ArcView.Reader (stream))
{
stream.Seek (4, SeekOrigin.Current);
uint header_size = reader.ReadUInt32();
long data_pos = stream.Position + header_size;
if (reader.ReadInt32() != 1)
return null;
uint width = reader.ReadUInt32();
uint height = reader.ReadUInt32();
int bpp = reader.ReadInt32();
int name_length = reader.ReadInt32();
if (name_length <= 0)
return null;
int shift = (name_length % 7) + 1;
var name_bits = reader.ReadBytes (name_length);
for (int i = 0; i < name_length; ++i)
{
name_bits[i] = Binary.RotByteL (name_bits[i], shift);
}
return new DcfMetaData
{
Width = width,
Height = height,
BPP = bpp,
BaseName = Encodings.cp932.GetString (name_bits),
DataOffset = data_pos,
};
}
}
public override ImageData Read (Stream stream, ImageMetaData info)
{
using (var reader = new DcfReader (stream, (DcfMetaData)info))
{
reader.Unpack();
return ImageData.Create (info, reader.Format, null, reader.Data, reader.Stride);
}
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("DcfFormat.Write not implemented");
}
}
internal class DcfReader : IDisposable
{
BinaryReader m_input;
DcfMetaData m_info;
byte[] m_output;
byte[] m_mask = null;
byte[] m_base = null;
int m_overlay_bpp;
int m_base_bpp;
static readonly Lazy<ImageFormat> s_QntFormat = new Lazy<ImageFormat> (() => ImageFormat.FindByTag ("QNT"));
internal ImageFormat Qnt { get { return s_QntFormat.Value; } }
public byte[] Data { get { return m_output; } }
public PixelFormat Format { get; private set; }
public int Stride { get; private set; }
public DcfReader (Stream input, DcfMetaData info)
{
m_input = new ArcView.Reader (input);
m_info = info;
}
public void Unpack ()
{
long next_pos = m_info.DataOffset;
for (;;)
{
m_input.BaseStream.Position = next_pos;
uint id = m_input.ReadUInt32();
next_pos += 8 + m_input.ReadUInt32();
if (0x6C646664 == id) // 'dfdl'
{
int unpacked_size = m_input.ReadInt32();
if (unpacked_size <= 0)
continue;
m_mask = new byte[unpacked_size];
using (var input = new ZLibStream (m_input.BaseStream, CompressionMode.Decompress, true))
input.Read (m_mask, 0, unpacked_size);
}
else if (0x64676364 == id) // 'dcgd'
break;
}
long qnt_pos = m_input.BaseStream.Position;
if (m_input.ReadUInt32() != Qnt.Signature)
throw new InvalidFormatException();
m_input.BaseStream.Seek (-4, SeekOrigin.Current);
var qnt_info = Qnt.ReadMetaData (m_input.BaseStream) as QntMetaData;
if (null == qnt_info)
throw new InvalidFormatException();
m_input.BaseStream.Position = qnt_pos + 0x44;
var overlay = new QntFormat.Reader (m_input.BaseStream, qnt_info);
overlay.Unpack();
m_overlay_bpp = overlay.BPP;
if (m_mask != null)
ReadBaseImage();
if (m_base != null)
{
m_output = ApplyOverlay (overlay.Data);
SetFormat ((int)m_info.Width, m_base_bpp);
}
else
{
m_output = overlay.Data;
SetFormat ((int)qnt_info.Width, m_overlay_bpp);
}
}
void SetFormat (int width, int bpp)
{
Format = 24 == bpp ? PixelFormats.Bgr24 : PixelFormats.Bgra32;
Stride = width * (bpp / 8);
}
byte[] ApplyOverlay (byte[] overlay)
{
int blocks_x = (int)m_info.Width / 0x10;
int blocks_y = (int)m_info.Height / 0x10;
int base_step = m_base_bpp / 8;
int overlay_step = m_overlay_bpp / 8;
int base_stride = (int)m_info.Width * base_step;
int overlay_stride = (int)m_info.Width * overlay_step;
int mask_pos = 4;
for (int y = 0; y < blocks_y; ++y)
{
int base_pos = y * 0x10 * base_stride;
int src_pos = y * 0x10 * overlay_stride;
for (int x = 0; x < blocks_x; ++x)
{
if (0 != m_mask[mask_pos++])
continue;
for (int by = 0; by < 0x10; ++by)
{
int dst = base_pos + by * base_stride + x * 0x10 * base_step;
int src = src_pos + by * overlay_stride + x * 0x10 * overlay_step;
for (int bx = 0; bx < 0x10; ++bx)
{
m_base[dst ] = overlay[src ];
m_base[dst+1] = overlay[src+1];
m_base[dst+2] = overlay[src+2];
if (4 == base_step)
{
m_base[dst+3] = 4 == overlay_step ? overlay[src+3] : (byte)0xFF;
}
dst += base_step;
src += overlay_step;
}
}
}
}
return m_base;
}
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.OpenSeekableStream (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, base_info);
reader.Unpack();
m_base_bpp = reader.BPP;
m_base = reader.Data;
}
}
}
catch (Exception X)
{
Trace.WriteLine (X.Message, "[DCF]");
}
}
#region IDisposable Members
bool _disposed = false;
public void Dispose ()
{
if (!_disposed)
{
m_input.Dispose();
_disposed = true;
}
}
#endregion
}
}

24
ArcFormats/AliceSoft/ImageQNT.cs
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@ -80,20 +80,15 @@ namespace GameRes.Formats.AliceSoft
public override ImageData Read (Stream stream, ImageMetaData info)
{
var meta = info as QntMetaData;
if (null == meta)
throw new ArgumentException ("QntFormat.Read should be supplied with QntMetaData", "info");
stream.Position = 0x44;
using (var reader = new Reader (stream, meta))
{
reader.Unpack();
int stride = (int)info.Width * (reader.BPP / 8);
PixelFormat format = 24 == reader.BPP ? PixelFormats.Bgr24 : PixelFormats.Bgra32;
return ImageData.Create (info, format, null, reader.Data, stride);
}
var reader = new Reader (stream, (QntMetaData)info);
reader.Unpack();
int stride = (int)info.Width * (reader.BPP / 8);
PixelFormat format = 24 == reader.BPP ? PixelFormats.Bgr24 : PixelFormats.Bgra32;
return ImageData.Create (info, format, null, reader.Data, stride);
}
internal class Reader : IDisposable
internal class Reader
{
byte[] m_input;
byte[] m_alpha;
@ -196,13 +191,6 @@ namespace GameRes.Formats.AliceSoft
}
}
}
#region IDisposable Members
public void Dispose ()
{
GC.SuppressFinalize (this);
}
#endregion
}
}
}

1
ArcFormats/ArcFormats.csproj
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@ -75,6 +75,7 @@
<Compile Include="Actgs\ArcDAT.cs" />
<Compile Include="AliceSoft\ArcAFA.cs" />
<Compile Include="AliceSoft\ArcALK.cs" />
<Compile Include="AliceSoft\ImageDCF.cs" />
<Compile Include="AnimeGameSystem\WidgetAGS.xaml.cs">
<DependentUpon>WidgetAGS.xaml</DependentUpon>
</Compile>