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Silky's bitmap mask format.

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morkt 2015-10-20 15:15:27 +04:00
parent 0a35f9acf6
commit 48d38a5eaf
2 changed files with 277 additions and 0 deletions
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1
ArcFormats/ArcFormats.csproj
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@ -70,6 +70,7 @@
<Compile Include="Debonosu\ArcPAK.cs" /> <Compile Include="Debonosu\ArcPAK.cs" />
<Compile Include="elf\ImageG24.cs" /> <Compile Include="elf\ImageG24.cs" />
<Compile Include="elf\ImageGP8.cs" /> <Compile Include="elf\ImageGP8.cs" />
<Compile Include="Silky\ImageMSK.cs" />
<Compile Include="Emic\ArcPACK.cs" /> <Compile Include="Emic\ArcPACK.cs" />
<Compile Include="Emic\ImageMWP.cs" /> <Compile Include="Emic\ImageMWP.cs" />
<Compile Include="Ethornell\AudioBGI.cs" /> <Compile Include="Ethornell\AudioBGI.cs" />

276
ArcFormats/Silky/ImageMSK.cs Normal file
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@ -0,0 +1,276 @@
//! \file ImageMSK.cs
//! \date Sat Oct 17 09:33:34 2015
//! \brief Silky's bitmap mask.
//
// Copyright (C) 2015 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 GameRes.Utility;
using System;
using System.ComponentModel.Composition;
using System.IO;
using System.Windows.Media;
namespace GameRes.Formats.Silky
{
[Export(typeof(ImageFormat))]
public class RmskFormat : ImageFormat
{
public override string Tag { get { return "RMSK/SILKY'S"; } }
public override string Description { get { return "Silky's bitmap mask format"; } }
public override uint Signature { get { return 0x6B736D52; } } // 'Rmsk'
public RmskFormat ()
{
Extensions = new string[] { "msk" };
}
public override ImageMetaData ReadMetaData (Stream stream)
{
var header = new byte[12];
if (12 != stream.Read (header, 0, 12))
return null;
return new ImageMetaData
{
Width = LittleEndian.ToUInt16 (header, 8),
Height = LittleEndian.ToUInt16 (header, 10),
OffsetX = LittleEndian.ToInt16 (header, 4),
OffsetY = LittleEndian.ToInt16 (header, 6),
BPP = 8,
};
}
public override ImageData Read (Stream stream, ImageMetaData info)
{
using (var reader = new RmskReader (stream, info))
{
reader.Unpack();
return ImageData.CreateFlipped (info, PixelFormats.Gray8, null, reader.Data, (int)info.Width);
}
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("RmskFormat.Write not implemented");
}
}
internal sealed class RmskReader : IDisposable
{
MsbBitStream m_input;
byte[] m_output;
int m_flag;
int m_width;
int m_height;
public byte[] Data { get { return m_output; } }
public RmskReader (Stream input, ImageMetaData info)
{
input.Position = 0xC;
m_flag = input.ReadByte();
if (-1 == m_flag)
throw new EndOfStreamException();
input.Position = 0xE;
m_input = new MsbBitStream (input, true);
m_width = (int)info.Width;
m_height = (int)info.Height;
m_output = new byte[m_width*m_height];
}
public void Unpack ()
{
if (0 == (m_flag & 1))
UnpackV0();
else
UnpackV1();
}
void UnpackV0 ()
{
int line = m_width * (m_height - 1);
for (int h = 0; h < m_height; ++h)
{
int dst = line;
int column = m_width;
while (column > 0)
{
if (0 == m_input.GetNextBit())
{
int src;
int count;
if (1 == m_input.GetNextBit())
{
if (0 == m_input.GetNextBit())
{
src = dst + OffsetTable8[m_input.GetBits (3)];
}
else
{
src = m_width + dst + OffsetTable16[m_input.GetBits (4)];
}
}
else
{
src = dst;
if (1 == m_input.GetNextBit())
{
src += m_width * (m_input.GetNextBit() + 2);
}
else
{
src += m_width * (m_input.GetBits (2) + 4);
}
src += OffsetTable16[m_input.GetBits (4)];
}
if (1 == m_input.GetNextBit())
{
count = m_input.GetNextBit() + 2;
}
else if (1 == m_input.GetNextBit())
{
count = m_input.GetBits (2) + 4;
}
else if (1 == m_input.GetNextBit())
{
count = m_input.GetBits (3) + 8;
}
else if (1 == m_input.GetNextBit())
{
count = m_input.GetBits (6) + 16;
}
else if (1 == m_input.GetNextBit())
{
count = m_input.GetBits (8) + 80;
}
else
{
count = m_input.GetBits (10) + 336;
}
for (int i = 0; i < count; ++i)
{
m_output[dst++] = m_output[src++];
}
column -= count;
}
else
{
m_output[dst++] = (byte)m_input.GetBits (8);
--column;
}
}
line -= m_width;
}
}
void UnpackV1 ()
{
int column = m_width * (m_height - 1);
for (int x = 0; x < m_width; ++x)
{
int dst = column;
int line = m_height;
while (line > 0)
{
if (0 != m_input.GetNextBit())
{
m_output[dst] = (byte)m_input.GetBits (8);
dst -= m_width;
--line;
}
else
{
int src;
if (1 == m_input.GetNextBit())
{
if (0 == m_input.GetNextBit())
{
src = dst - m_width * OffsetTable8[m_input.GetBits (3)];
}
else
{
src = dst - 1 - m_width * OffsetTable16[m_input.GetBits (4)];
}
}
else if (1 == m_input.GetNextBit())
{
int n = dst - 2 - m_input.GetNextBit();
src = n - m_width * OffsetTable16[m_input.GetBits (4)];
}
else
{
int n = dst - 4 - m_input.GetBits (2);
src = n - m_width * OffsetTable16[m_input.GetBits (4)];
}
int count;
if (1 == m_input.GetNextBit())
{
count = m_input.GetBits (1) + 2;
}
else if (1 == m_input.GetNextBit())
{
count = m_input.GetBits (2) + 4;
}
else if (1 == m_input.GetNextBit())
{
count = m_input.GetBits (3) + 8;
}
else if (1 == m_input.GetNextBit())
{
count = m_input.GetBits (6) + 16;
}
else if (1 == m_input.GetNextBit())
{
count = m_input.GetBits (8) + 80;
}
else
{
count = m_input.GetBits (10) + 336;
}
line -= count;
for (int i = 0; i < count; ++i)
{
m_output[dst] = m_output[src];
src -= m_width;
dst -= m_width;
}
}
}
++column;
}
}
static int[] OffsetTable8 = { -1, -2, -4, -6, -8, -12, -16, -20 };
static int[] OffsetTable16 = { -20, -16, -12, -8, -6, -4, -2, -1, 0, 1, 2, 4, 6, 8, 12, 16 };
#region IDisposable Members
bool _disposed = false;
public void Dispose ()
{
if (!_disposed)
{
m_input.Dispose();
_disposed = true;
}
}
#endregion
}
}