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//! \file ImageAinos.cs
//! \date Sun Apr 05 04:16:27 2015
//! \brief Ainos image format.
//
// 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 System;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.IO;
using System.Text;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using GameRes.Utility;
namespace GameRes.Formats.Ainos
{
public class CgMetaData : ImageMetaData
{
public int Type;
public int Right, Bottom;
}
[Export(typeof(ArchiveFormat))]
public class AniOpener : ArchiveFormat
{
public override string Tag { get { return "ANI"; } }
public override string Description { get { return "Ainos engine animation resource"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
public override ArcFile TryOpen (ArcView file)
{
uint offset = file.View.ReadUInt32 (0);
if (file.MaxOffset > int.MaxValue || offset >= file.MaxOffset || 0 != (offset & 3))
return null;
int frame_count = (int)(offset / 4);
long index_offset = 4;
var dir = new List<Entry>();
for (int i = 0; i < frame_count; ++i)
{
uint next_offset;
if (i+1 != frame_count)
next_offset = file.View.ReadUInt32 (index_offset);
else
next_offset = (uint)file.MaxOffset;
if (next_offset <= offset || next_offset > file.MaxOffset)
return null;
uint size = next_offset - offset;
if (size > 15)
{
var entry = new Entry
{
Name = string.Format ("{0:D4}.cg", i),
Type = "image",
Offset = offset,
Size = size
};
dir.Add (entry);
}
offset = next_offset;
index_offset += 4;
}
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if (0 == dir.Count)
return null;
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return new ArcFile (file, this, dir);
}
}
[Export(typeof(ImageFormat))]
public class CgFormat : ImageFormat
{
public override string Tag { get { return "CG"; } }
public override string Description { get { return "Ainos image format"; } }
public override uint Signature { get { return 0; } }
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("CgFormat.Write not implemented");
}
public override ImageMetaData ReadMetaData (Stream stream)
{
int sig = stream.ReadByte();
if (sig >= 0x20)
return null;
using (var input = new ArcView.Reader (stream))
{
int width = input.ReadInt16();
int height = input.ReadInt16();
if (width <= 0 || height <= 0 || width > 4096 || height > 4096)
return null;
var meta = new CgMetaData
{
Width = (uint)width,
Height = (uint)height,
BPP = 24,
Type = sig,
};
if (0 != (sig & 0xf))
{
meta.OffsetX = input.ReadInt16();
meta.OffsetY = input.ReadInt16();
meta.Right = input.ReadInt16();
meta.Bottom = input.ReadInt16();
if (meta.OffsetX > meta.Right || meta.OffsetY > meta.Bottom ||
meta.Right > width || meta.Bottom > height ||
meta.OffsetX < 0 || meta.OffsetY < 0)
return null;
}
return meta;
}
}
public override ImageData Read (Stream stream, ImageMetaData info)
{
var meta = info as CgMetaData;
if (0 != (meta.Type & 0xf))
stream.Position = 13;
else
stream.Position = 5;
using (var reader = new Reader (stream, meta))
{
if (meta.Type >= 0x10)
reader.UnpackRGB();
else
reader.UnpackIndexed();
return ImageData.Create (info, PixelFormats.Bgr24, null, reader.Data, (int)info.Width*3);
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}
}
internal class Reader : IDisposable
{
BinaryReader m_input;
byte[] m_output;
int m_width;
int m_height;
int m_left;
int m_top;
int m_right;
int m_bottom;
public byte[] Data { get { return m_output; } }
public Reader (Stream file, CgMetaData info)
{
m_width = (int)info.Width;
m_height = (int)info.Height;
m_left = info.OffsetX;
m_top = info.OffsetY;
m_right = info.Right == 0 ? m_width : info.Right;
m_bottom = info.Bottom == 0 ? m_height : info.Bottom;
m_output = new byte[3*m_width*m_height];
m_input = new BinaryReader (file, Encoding.ASCII, true);
ShiftTable = InitShiftTable();
}
static readonly short[] ShiftX = new short[] { // 409b6c
0, -1, -3, -2, -1, 0, 1, 2
};
static readonly short[] ShiftY = new short[] { // 409b7c
0, 0, -1, -1, -1, -1, -1, -1
};
readonly int[] ShiftTable;
private int[] InitShiftTable ()
{
var table = new int[8];
for (int i = 0; i < 8; ++i)
{
table[i] = 3 * (ShiftX[i] + ShiftY[i] * m_width);
}
return table;
}
public void UnpackRGB ()
{
int right = 3 * (m_width * m_top + m_right);
int left = 3 * (m_width * m_top + m_left);
for (int i = m_top; i != m_bottom; ++i)
{
int dst = left;
while (dst != right)
{
byte v9 = m_input.ReadByte();
if (0 != (v9 & 0x80))
{
if (0 != (v9 & 0x40))
{
m_output[dst] = (byte)(m_output[dst - 3] + ((v9 >> 3) & 6) - 2);
m_output[dst + 1] = (byte)(m_output[dst - 2] + ((v9 >> 1) & 6) - 2);
m_output[dst + 2] = (byte)(m_output[dst - 1] + ((v9 & 3) + 127) * 2);
}
else
{
byte v15 = m_input.ReadByte();
m_output[dst] = (byte)(((v9 << 1) + (v15 & 1)) << 1);
m_output[dst + 1] = (byte)(v15 & 0xfe);
m_output[dst + 2] = m_input.ReadByte();
}
dst += 3;
continue;
}
uint shift = (uint)v9 >> 4;
int count = v9 & 0xF;
if (0 == count)
{
count = (int)m_input.ReadByte() + 15;
if (270 == count)
{
int v12;
do
{
v12 = m_input.ReadByte();
count += v12;
}
while (v12 == 0xff);
}
}
if (0 != shift)
{
int src = dst + ShiftTable[shift];
Binary.CopyOverlapped (m_output, src, dst, count * 3);
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}
dst += 3 * count;
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}
left += m_width*3; //640*3;
right += m_width*3; //640*3;
}
}
public void UnpackIndexed ()
{
byte[] palette = new byte[0x180];
m_input.Read (palette, 0, 0x180);
int right = 3 * (m_width * m_top + m_right);
int left = 3 * (m_width * m_top + m_left); // 3 * (Rect.left + 640 * Rect.top);
for (int i = m_top; i != m_bottom; ++i)
{
int dst = left;
while (dst != right)
{
byte v13 = m_input.ReadByte();
if (0 != (v13 & 0x80))
{
int color = 3 * (v13 & 0x7F);
m_output[dst] = palette[color];
m_output[dst+1] = palette[color+1];
m_output[dst+2] = palette[color+2];
dst += 3;
continue;
}
uint shift = (uint)v13 >> 4;
int count = v13 & 0xF;
if (0 == count)
{
count = m_input.ReadByte() + 15;
if (270 == count)
{
int v16;
do
{
v16 = m_input.ReadByte();
count += v16;
}
while (v16 == 0xff);
}
}
if (0 != shift)
{
int src = dst + ShiftTable[shift];
Binary.CopyOverlapped (m_output, src, dst, count * 3);
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}
dst += 3 * count;
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}
right += m_width*3;
left += m_width*3;
}
}
#region IDisposable Members
bool disposed = false;
public void Dispose ()
{
Dispose (true);
GC.SuppressFinalize (this);
}
protected virtual void Dispose (bool disposing)
{
if (!disposed)
{
if (disposing)
{
m_input.Dispose();
}
disposed = true;
}
}
#endregion
}
}
}