mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-19 09:24:12 +08:00
391 lines
14 KiB
C#
391 lines
14 KiB
C#
//! \file ImageS25.cs
|
|
//! \date Sat Apr 18 17:00:54 2015
|
|
//! \brief ShiinaRio S25 multi-image format.
|
|
//
|
|
// Copyright (C) 2015-2016 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.Collections.Generic;
|
|
using System.ComponentModel.Composition;
|
|
using System.IO;
|
|
using System.Windows;
|
|
using System.Windows.Media;
|
|
using System.Windows.Media.Imaging;
|
|
using GameRes.Utility;
|
|
|
|
namespace GameRes.Formats.ShiinaRio
|
|
{
|
|
internal class S25MetaData : ImageMetaData
|
|
{
|
|
public uint FirstOffset;
|
|
public bool Incremental;
|
|
}
|
|
|
|
[Export(typeof(ImageFormat))]
|
|
public class S25Format : ImageFormat
|
|
{
|
|
public override string Tag { get { return "S25"; } }
|
|
public override string Description { get { return "ShiinaRio image format"; } }
|
|
public override uint Signature { get { return 0x00353253; } } // 'S25'
|
|
|
|
// in current implementation, only the first frame is returned.
|
|
// per-frame access is provided by S25Opener class.
|
|
|
|
public override ImageMetaData ReadMetaData (IBinaryStream file)
|
|
{
|
|
file.Position = 4;
|
|
int count = file.ReadInt32();
|
|
if (count < 0 || count > 0xfffff)
|
|
return null;
|
|
uint first_offset = 0;
|
|
for (int i = 0; i < count && 0 == first_offset; ++i)
|
|
first_offset = file.ReadUInt32();
|
|
if (0 == first_offset)
|
|
return null;
|
|
file.Position = first_offset;
|
|
var info = new S25MetaData();
|
|
info.Width = file.ReadUInt32();
|
|
info.Height = file.ReadUInt32();
|
|
info.OffsetX = file.ReadInt32();
|
|
info.OffsetY = file.ReadInt32();
|
|
info.FirstOffset = first_offset+0x14;
|
|
info.Incremental = 0 != (file.ReadUInt32() & 0x80000000u);
|
|
info.BPP = 32;
|
|
return info;
|
|
}
|
|
|
|
public override ImageData Read (IBinaryStream stream, ImageMetaData info)
|
|
{
|
|
using (var reader = new Reader (stream, (S25MetaData)info, true))
|
|
return reader.Image;
|
|
}
|
|
|
|
public override void Write (Stream file, ImageData image)
|
|
{
|
|
throw new NotImplementedException ("S25Format.Write not implemented");
|
|
}
|
|
|
|
internal sealed class Reader : IImageDecoder
|
|
{
|
|
IBinaryStream m_input;
|
|
int m_width;
|
|
int m_height;
|
|
uint m_origin;
|
|
byte[] m_output;
|
|
bool m_incremental;
|
|
bool m_should_dispose;
|
|
ImageMetaData m_info;
|
|
ImageData m_image;
|
|
|
|
public Stream Source { get { m_input.Position = 0; return m_input.AsStream; } }
|
|
public ImageFormat SourceFormat { get { return null; } }
|
|
public ImageMetaData Info { get { return m_info; } }
|
|
|
|
public ImageData Image
|
|
{
|
|
get
|
|
{
|
|
if (null == m_image)
|
|
{
|
|
var pixels = Unpack();
|
|
m_image = ImageData.Create (m_info, PixelFormats.Bgra32, null, pixels);
|
|
}
|
|
return m_image;
|
|
}
|
|
}
|
|
|
|
public byte[] Data { get { return m_output; } }
|
|
|
|
public Reader (IBinaryStream file, S25MetaData info, bool leave_open = false)
|
|
{
|
|
m_width = (int)info.Width;
|
|
m_height = (int)info.Height;
|
|
m_output = new byte[m_width * m_height * 4];
|
|
m_input = file;
|
|
m_origin = info.FirstOffset;
|
|
m_incremental = info.Incremental;
|
|
m_info = info;
|
|
m_should_dispose = !leave_open;
|
|
}
|
|
|
|
public byte[] Unpack ()
|
|
{
|
|
m_input.Position = m_origin;
|
|
if (m_incremental)
|
|
return UnpackIncremental();
|
|
var rows = new uint[m_height];
|
|
for (int i = 0; i < rows.Length; ++i)
|
|
rows[i] = m_input.ReadUInt32();
|
|
var row_buffer = new byte[m_width];
|
|
int dst = 0;
|
|
for (int y = 0; y < m_height && dst < m_output.Length; ++y)
|
|
{
|
|
uint row_pos = rows[y];
|
|
m_input.Position = row_pos;
|
|
int row_length = m_input.ReadUInt16();
|
|
row_pos += 2;
|
|
if (0 != (row_pos & 1))
|
|
{
|
|
m_input.ReadByte();
|
|
--row_length;
|
|
}
|
|
if (row_buffer.Length < row_length)
|
|
row_buffer = new byte[row_length];
|
|
m_input.Read (row_buffer, 0, row_length);
|
|
dst = UnpackLine (row_buffer, dst);
|
|
}
|
|
return m_output;
|
|
}
|
|
|
|
void UpdateRepeatCount (Dictionary<uint, int> rows_count)
|
|
{
|
|
m_input.Position = 4;
|
|
int count = m_input.ReadInt32();
|
|
var frames = new List<uint> (count);
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
var offset = m_input.ReadUInt32();
|
|
if (0 != offset)
|
|
frames.Add (offset);
|
|
}
|
|
foreach (var offset in frames)
|
|
{
|
|
if (offset+0x14 == m_origin)
|
|
continue;
|
|
m_input.Position = offset+4;
|
|
int height = m_input.ReadInt32();
|
|
m_input.Position = offset+0x14;
|
|
for (int i = 0; i < height; ++i)
|
|
{
|
|
var row_offset = m_input.ReadUInt32();
|
|
if (rows_count.ContainsKey (row_offset))
|
|
++rows_count[row_offset];
|
|
}
|
|
}
|
|
}
|
|
|
|
byte[] UnpackIncremental ()
|
|
{
|
|
var rows = new uint[m_height];
|
|
var rows_count = new Dictionary<uint, int> (m_height);
|
|
for (int i = 0; i < rows.Length; ++i)
|
|
{
|
|
uint offset = m_input.ReadUInt32();
|
|
rows[i] = offset;
|
|
if (rows_count.ContainsKey (offset))
|
|
++rows_count[offset];
|
|
else
|
|
rows_count[offset] = 1;
|
|
}
|
|
UpdateRepeatCount (rows_count);
|
|
var input_rows = new Dictionary<uint, byte[]> (m_height);
|
|
var input_lines = new byte[m_height][];
|
|
for (int y = 0; y < m_height; ++y)
|
|
{
|
|
uint row_pos = rows[y];
|
|
if (input_rows.ContainsKey (row_pos))
|
|
{
|
|
input_lines[y] = input_rows[row_pos];
|
|
continue;
|
|
}
|
|
var row = ReadLine (row_pos, rows_count[row_pos]);
|
|
input_rows[row_pos] = row;
|
|
input_lines[y] = row;
|
|
}
|
|
int dst = 0;
|
|
foreach (var line in input_lines)
|
|
{
|
|
dst = UnpackLine (line, dst);
|
|
}
|
|
return m_output;
|
|
}
|
|
|
|
int UnpackLine (byte[] line, int dst)
|
|
{
|
|
int row_pos = 0;
|
|
for (int x = m_width; x > 0 && dst < m_output.Length && row_pos < line.Length; )
|
|
{
|
|
if (0 != (row_pos & 1))
|
|
{
|
|
++row_pos;
|
|
}
|
|
int count = LittleEndian.ToUInt16 (line, row_pos);
|
|
row_pos += 2;
|
|
int method = count >> 13;
|
|
int skip = (count >> 11) & 3;
|
|
if (0 != skip)
|
|
{
|
|
row_pos += skip;
|
|
}
|
|
count &= 0x7ff;
|
|
if (0 == count)
|
|
{
|
|
count = LittleEndian.ToInt32 (line, row_pos);
|
|
row_pos += 4;
|
|
}
|
|
if (count > x) count = x;
|
|
x -= count;
|
|
byte b, g, r, a;
|
|
|
|
switch (method)
|
|
{
|
|
case 2:
|
|
for (int i = 0; i < count && row_pos < line.Length; ++i)
|
|
{
|
|
m_output[dst++] = line[row_pos++];
|
|
m_output[dst++] = line[row_pos++];
|
|
m_output[dst++] = line[row_pos++];
|
|
m_output[dst++] = 0xff;
|
|
}
|
|
break;
|
|
case 3:
|
|
b = line[row_pos++];
|
|
g = line[row_pos++];
|
|
r = line[row_pos++];
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
m_output[dst++] = b;
|
|
m_output[dst++] = g;
|
|
m_output[dst++] = r;
|
|
m_output[dst++] = 0xff;
|
|
}
|
|
break;
|
|
case 4:
|
|
for (int i = 0; i < count && row_pos < line.Length; ++i)
|
|
{
|
|
a = line[row_pos++];
|
|
m_output[dst++] = line[row_pos++];
|
|
m_output[dst++] = line[row_pos++];
|
|
m_output[dst++] = line[row_pos++];
|
|
m_output[dst++] = a;
|
|
}
|
|
break;
|
|
case 5:
|
|
a = line[row_pos++];
|
|
b = line[row_pos++];
|
|
g = line[row_pos++];
|
|
r = line[row_pos++];
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
m_output[dst++] = b;
|
|
m_output[dst++] = g;
|
|
m_output[dst++] = r;
|
|
m_output[dst++] = a;
|
|
}
|
|
break;
|
|
default:
|
|
dst += count * 4;
|
|
break;
|
|
}
|
|
}
|
|
return dst;
|
|
}
|
|
|
|
byte[] ReadLine (uint offset, int repeat)
|
|
{
|
|
m_input.Position = offset;
|
|
int row_length = m_input.ReadUInt16();
|
|
if (0 != (offset & 1))
|
|
{
|
|
m_input.ReadByte();
|
|
--row_length;
|
|
}
|
|
var row = new byte[row_length];
|
|
m_input.Read (row, 0, row.Length);
|
|
int row_pos = 0;
|
|
for (int x = m_width; x > 0; )
|
|
{
|
|
if (0 != (row_pos & 1))
|
|
{
|
|
++row_pos;
|
|
}
|
|
int count = LittleEndian.ToUInt16 (row, row_pos);
|
|
row_pos += 2;
|
|
int method = count >> 13;
|
|
int skip = (count >> 11) & 3;
|
|
if (0 != skip)
|
|
{
|
|
row_pos += skip;
|
|
}
|
|
count &= 0x7ff;
|
|
if (0 == count)
|
|
{
|
|
count = LittleEndian.ToInt32 (row, row_pos);
|
|
row_pos += 4;
|
|
}
|
|
if (count < 0 || count > x) count = x;
|
|
x -= count;
|
|
|
|
switch (method)
|
|
{
|
|
case 2:
|
|
for (int j = 0; j < repeat; ++j)
|
|
{
|
|
for (int i = 3; i < count*3 && row_pos+i < row.Length; ++i)
|
|
{
|
|
row[row_pos+i] += row[row_pos+i-3];
|
|
}
|
|
}
|
|
row_pos += count*3;
|
|
break;
|
|
case 3:
|
|
row_pos += 3;
|
|
break;
|
|
case 4:
|
|
for (int j = 0; j < repeat; ++j)
|
|
{
|
|
for (int i = 4; i < count*4 && row_pos+i < row.Length; ++i)
|
|
{
|
|
row[row_pos+i] += row[row_pos+i-4];
|
|
}
|
|
}
|
|
row_pos += count*4;
|
|
break;
|
|
case 5:
|
|
row_pos += 4;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return row;
|
|
}
|
|
|
|
#region IDisposable Members
|
|
bool m_disposed = false;
|
|
public void Dispose ()
|
|
{
|
|
if (!m_disposed)
|
|
{
|
|
if (m_should_dispose)
|
|
{
|
|
m_input.Dispose();
|
|
}
|
|
m_disposed = true;
|
|
}
|
|
GC.SuppressFinalize (this);
|
|
}
|
|
#endregion
|
|
}
|
|
}
|
|
}
|