mirror of
https://github.com/crskycode/GARbro.git
synced 2024-11-30 17:05:37 +08:00
380 lines
15 KiB
C#
380 lines
15 KiB
C#
//! \file ImageMAI.cs
|
|
//! \date Sun May 03 10:26:35 2015
|
|
//! \brief MAI image formats implementation.
|
|
//
|
|
// 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.ComponentModel.Composition;
|
|
using System.IO;
|
|
using System.Text;
|
|
using System.Windows.Media;
|
|
using System.Windows.Media.Imaging;
|
|
using GameRes.Utility;
|
|
|
|
namespace GameRes.Formats.MAI
|
|
{
|
|
internal class CmMetaData : ImageMetaData
|
|
{
|
|
public int Colors;
|
|
public bool IsCompressed;
|
|
public uint DataOffset;
|
|
public uint DataLength;
|
|
}
|
|
|
|
[Export(typeof(ImageFormat))]
|
|
public class CmFormat : ImageFormat
|
|
{
|
|
public override string Tag { get { return "CM/MAI"; } }
|
|
public override string Description { get { return "MAI image format"; } }
|
|
public override uint Signature { get { return 0; } }
|
|
|
|
public CmFormat ()
|
|
{
|
|
Extensions = new string[] { "cm" };
|
|
}
|
|
|
|
public override void Write (Stream file, ImageData image)
|
|
{
|
|
throw new NotImplementedException ("CmFormat.Write not implemented");
|
|
}
|
|
|
|
public override ImageMetaData ReadMetaData (IBinaryStream stream)
|
|
{
|
|
if ('C' != stream.ReadByte() || 'M' != stream.ReadByte())
|
|
return null;
|
|
var header = stream.ReadBytes (0x1e);
|
|
if (header.Length != 0x1e)
|
|
return null;
|
|
if (1 != header[0x0c])
|
|
return null;
|
|
uint size = LittleEndian.ToUInt32 (header, 0);
|
|
if (size != stream.Length)
|
|
return null;
|
|
var info = new CmMetaData();
|
|
info.Width = LittleEndian.ToUInt16 (header, 4);
|
|
info.Height = LittleEndian.ToUInt16 (header, 6);
|
|
info.Colors = LittleEndian.ToUInt16 (header, 8);
|
|
info.BPP = header[0x0a];
|
|
info.IsCompressed = 0 != header[0x0b];
|
|
info.DataOffset = LittleEndian.ToUInt32 (header, 0x0e);
|
|
info.DataLength = LittleEndian.ToUInt32 (header, 0x12);
|
|
if (info.DataLength > size)
|
|
return null;
|
|
return info;
|
|
}
|
|
|
|
public override ImageData Read (IBinaryStream stream, ImageMetaData info)
|
|
{
|
|
var reader = new Reader (stream.AsStream, (CmMetaData)info);
|
|
reader.Unpack();
|
|
return ImageData.CreateFlipped (info, reader.Format, reader.Palette, reader.Data, reader.Stride);
|
|
}
|
|
|
|
internal class Reader
|
|
{
|
|
private Stream m_input;
|
|
private int m_width;
|
|
private int m_height;
|
|
private int m_pixel_size;
|
|
private bool m_compressed;
|
|
private int m_data_length;
|
|
private byte[] m_pixels;
|
|
|
|
public PixelFormat Format { get; private set; }
|
|
public BitmapPalette Palette { get; private set; }
|
|
public byte[] Data { get { return m_pixels; } }
|
|
public int Stride { get { return m_width * m_pixel_size; } }
|
|
|
|
public Reader (Stream stream, CmMetaData info)
|
|
{
|
|
m_input = stream;
|
|
m_width = (int)info.Width;
|
|
m_height = (int)info.Height;
|
|
m_pixel_size = info.BPP/8;
|
|
m_compressed = info.IsCompressed;
|
|
m_data_length = (int)info.DataLength;
|
|
switch (m_pixel_size)
|
|
{
|
|
case 1: Format = PixelFormats.Indexed8; break;
|
|
case 3: Format = PixelFormats.Bgr24; break;
|
|
case 4: Format = PixelFormats.Bgr32; break;
|
|
default: throw new InvalidFormatException ("Invalid color depth");
|
|
}
|
|
if (info.Colors > 0)
|
|
{
|
|
m_input.Position = 0x20;
|
|
Palette = ImageFormat.ReadPalette (m_input, info.Colors, PaletteFormat.Bgr);
|
|
}
|
|
m_input.Position = info.DataOffset;
|
|
int size = info.IsCompressed ? m_width*m_height*m_pixel_size : (int)info.DataLength;
|
|
m_pixels = new byte[size];
|
|
}
|
|
|
|
public void Unpack ()
|
|
{
|
|
if (m_compressed)
|
|
RleDecoder.Unpack (m_input, m_data_length, m_pixels, m_pixel_size);
|
|
else
|
|
m_input.Read (m_pixels, 0, m_pixels.Length);
|
|
}
|
|
}
|
|
}
|
|
|
|
internal class AmMetaData : CmMetaData
|
|
{
|
|
public uint MaskWidth;
|
|
public uint MaskHeight;
|
|
public uint MaskOffset;
|
|
public uint MaskLength;
|
|
public bool IsMaskCompressed;
|
|
}
|
|
|
|
[Export(typeof(ImageFormat))]
|
|
public class AmFormat : ImageFormat
|
|
{
|
|
public override string Tag { get { return "AM/MAI"; } }
|
|
public override string Description { get { return "MAI image with alpha-channel"; } }
|
|
public override uint Signature { get { return 0; } }
|
|
|
|
public AmFormat ()
|
|
{
|
|
Extensions = new string[] { "am", "ami" };
|
|
}
|
|
|
|
public override void Write (Stream file, ImageData image)
|
|
{
|
|
throw new NotImplementedException ("AmFormat.Write not implemented");
|
|
}
|
|
|
|
public override ImageMetaData ReadMetaData (IBinaryStream stream)
|
|
{
|
|
if ('A' != stream.ReadByte() || 'M' != stream.ReadByte())
|
|
return null;
|
|
var header = new byte[0x30];
|
|
if (0x2e != stream.Read (header, 2, 0x2e))
|
|
return null;
|
|
uint size = LittleEndian.ToUInt32 (header, 2);
|
|
if (size != stream.Length)
|
|
return null;
|
|
int am_type = header[0x16];
|
|
if (am_type != 2 && am_type != 1 || header[0x18] != 1)
|
|
return null;
|
|
var info = new AmMetaData();
|
|
info.Width = LittleEndian.ToUInt16 (header, 6);
|
|
info.Height = LittleEndian.ToUInt16 (header, 8);
|
|
info.MaskWidth = LittleEndian.ToUInt16 (header, 0x0a);
|
|
info.MaskHeight = LittleEndian.ToUInt16 (header, 0x0c);
|
|
info.Colors = LittleEndian.ToUInt16 (header, 0x12);
|
|
info.BPP = header[0x14];
|
|
info.IsCompressed = 0 != header[0x15];
|
|
info.DataOffset = LittleEndian.ToUInt32 (header, 0x1a);
|
|
info.DataLength = LittleEndian.ToUInt32 (header, 0x1e);
|
|
info.MaskOffset = LittleEndian.ToUInt32 (header, 0x22);
|
|
info.MaskLength = LittleEndian.ToUInt32 (header, 0x26);
|
|
info.IsMaskCompressed = 0 != header[0x2a];
|
|
if (checked(info.DataLength + info.MaskLength) > size)
|
|
return null;
|
|
return info;
|
|
}
|
|
|
|
public override ImageData Read (IBinaryStream stream, ImageMetaData info)
|
|
{
|
|
var reader = new Reader (stream.AsStream, (AmMetaData)info);
|
|
reader.Unpack();
|
|
return ImageData.Create (info, reader.Format, reader.Palette, reader.Data);
|
|
}
|
|
|
|
internal class Reader
|
|
{
|
|
private Stream m_input;
|
|
private AmMetaData m_info;
|
|
private int m_width;
|
|
private int m_height;
|
|
private int m_pixel_size;
|
|
private byte[] m_output;
|
|
private byte[] m_alpha;
|
|
private byte[] m_pixels;
|
|
|
|
public PixelFormat Format { get; private set; }
|
|
public BitmapPalette Palette { get; private set; }
|
|
public byte[] Data { get { return m_pixels; } }
|
|
|
|
public Reader (Stream stream, AmMetaData info)
|
|
{
|
|
m_input = stream;
|
|
m_info = info;
|
|
m_width = (int)info.Width;
|
|
m_height = (int)info.Height;
|
|
m_pixel_size = info.BPP/8;
|
|
if (m_pixel_size != 3 && m_pixel_size != 4 && m_pixel_size != 1)
|
|
throw new InvalidFormatException ("Invalid color depth");
|
|
Format = PixelFormats.Bgra32;
|
|
int size = info.IsCompressed ? m_width*m_height*m_pixel_size : (int)info.DataLength;
|
|
m_output = new byte[size];
|
|
uint mask_size = info.IsMaskCompressed ? info.MaskWidth*info.MaskHeight : info.MaskLength;
|
|
m_alpha = new byte[mask_size];
|
|
m_pixels = new byte[m_width*m_height*4];
|
|
}
|
|
|
|
public void Unpack ()
|
|
{
|
|
m_input.Position = m_info.DataOffset;
|
|
if (m_info.Colors > 0)
|
|
Palette = ImageFormat.ReadPalette (m_input, m_info.Colors, PaletteFormat.Bgr);
|
|
if (m_info.IsCompressed)
|
|
RleDecoder.Unpack (m_input, (int)m_info.DataLength, m_output, m_pixel_size);
|
|
else
|
|
m_input.Read (m_output, 0, m_output.Length);
|
|
m_input.Position = m_info.MaskOffset;
|
|
if (m_info.IsMaskCompressed)
|
|
RleDecoder.Unpack (m_input, (int)m_info.MaskLength, m_alpha, 1);
|
|
else
|
|
m_input.Read (m_alpha, 0, m_alpha.Length);
|
|
|
|
Action<int, int, byte> copy_pixel;
|
|
if (m_pixel_size > 1)
|
|
copy_pixel = (src, dst, alpha) => {
|
|
m_pixels[dst] = m_output[src];
|
|
m_pixels[dst+1] = m_output[src+1];
|
|
m_pixels[dst+2] = m_output[src+2];
|
|
m_pixels[dst+3] = alpha;
|
|
};
|
|
else
|
|
copy_pixel = (src, dst, alpha) => {
|
|
var color = Palette.Colors[m_output[src]];
|
|
m_pixels[dst] = color.B;
|
|
m_pixels[dst+1] = color.G;
|
|
m_pixels[dst+2] = color.R;
|
|
m_pixels[dst+3] = alpha;
|
|
};
|
|
int src_stride = m_width * m_pixel_size;
|
|
for (int y = 0; y < m_height; ++y)
|
|
{
|
|
int dst_line = y*m_width*4;
|
|
int src_line = (m_height-1-y)*src_stride;;
|
|
for (int x = 0; x < m_width; ++x)
|
|
{
|
|
copy_pixel (src_line, dst_line, m_alpha[y*m_width+x]);
|
|
src_line += m_pixel_size;
|
|
dst_line += 4;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
[Export(typeof(ImageFormat))]
|
|
public class MaskFormat : ImageFormat
|
|
{
|
|
public override string Tag { get { return "MSK/MAI"; } }
|
|
public override string Description { get { return "MAI indexed image format"; } }
|
|
public override uint Signature { get { return 0; } }
|
|
|
|
public MaskFormat ()
|
|
{
|
|
Extensions = new string[] { "msk" };
|
|
}
|
|
|
|
public override void Write (Stream file, ImageData image)
|
|
{
|
|
throw new NotImplementedException ("MaskFormat.Write not implemented");
|
|
}
|
|
|
|
public override ImageMetaData ReadMetaData (IBinaryStream file)
|
|
{
|
|
uint size = file.ReadUInt32();
|
|
if (size != file.Length)
|
|
return null;
|
|
uint width = file.ReadUInt32();
|
|
uint height = file.ReadUInt32();
|
|
int compressed = file.ReadInt32();
|
|
if (compressed > 1 || 0 == compressed && (width*height + 0x410) != size)
|
|
return null;
|
|
return new CmMetaData {
|
|
Width = width,
|
|
Height = height,
|
|
BPP = 8,
|
|
IsCompressed = 1 == compressed,
|
|
DataOffset = 0x10,
|
|
DataLength = size,
|
|
};
|
|
}
|
|
|
|
public override ImageData Read (IBinaryStream stream, ImageMetaData info)
|
|
{
|
|
var meta = (CmMetaData)info;
|
|
stream.Position = meta.DataOffset;
|
|
var palette = ReadPalette (stream.AsStream, 0x100, PaletteFormat.BgrX);
|
|
|
|
var pixels = new byte[info.Width*info.Height];
|
|
if (meta.IsCompressed)
|
|
{
|
|
int packed_size = (int)(stream.Length - meta.DataOffset);
|
|
RleDecoder.Unpack (stream.AsStream, packed_size, pixels, 1);
|
|
}
|
|
else if (pixels.Length != stream.Read (pixels, 0, pixels.Length))
|
|
throw new InvalidFormatException();
|
|
|
|
return ImageData.Create (info, PixelFormats.Indexed8, palette, pixels);
|
|
}
|
|
}
|
|
|
|
internal class RleDecoder
|
|
{
|
|
static public void Unpack (Stream input, int input_size, byte[] output, int pixel_size)
|
|
{
|
|
int read = 0;
|
|
int dst = 0;
|
|
while (read < input_size && dst < output.Length)
|
|
{
|
|
int code = input.ReadByte();
|
|
++read;
|
|
if (-1 == code)
|
|
throw new InvalidFormatException ("Unexpected end of file");
|
|
if (0x80 == code)
|
|
throw new InvalidFormatException ("Invalid run-length code");
|
|
if (code < 0x80)
|
|
{
|
|
int count = Math.Min (code * pixel_size, output.Length - dst);
|
|
if (count != input.Read (output, dst, count))
|
|
break;
|
|
read += count;
|
|
dst += count;
|
|
}
|
|
else
|
|
{
|
|
int count = code & 0x7f;
|
|
if (pixel_size != input.Read (output, dst, pixel_size))
|
|
break;
|
|
read += pixel_size;
|
|
int src = dst;
|
|
dst += pixel_size;
|
|
count = Math.Min ((count - 1) * pixel_size, output.Length - dst);
|
|
Binary.CopyOverlapped (output, src, dst, count);
|
|
dst += count;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|