mirror of
https://github.com/crskycode/GARbro.git
synced 2024-11-24 22:25:36 +08:00
220 lines
8.6 KiB
C#
220 lines
8.6 KiB
C#
|
//! \file ImageEPA.cs
|
||
|
|
//! \date Fri May 01 03:34:26 2015
|
||
|
|
//! \brief Pajamas Adventure System 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.ComponentModel.Composition;
|
||
|
|
using System.IO;
|
||
|
|
using System.Text;
|
||
|
|
using System.Windows.Media;
|
||
|
|
using System.Windows.Media.Imaging;
|
||
|
|
using GameRes.Utility;
|
||
|
|
|
||
|
|
namespace GameRes.Formats.Pajamas
|
||
|
|
{
|
||
|
|
internal class EpaMetaData : ImageMetaData
|
||
|
|
{
|
||
|
|
public int Mode;
|
||
|
|
public int ColorType;
|
||
|
|
}
|
||
|
|
|
||
|
|
[Export(typeof(ImageFormat))]
|
||
|
|
public class EpaFormat : ImageFormat
|
||
|
|
{
|
||
|
|
public override string Tag { get { return "EPA"; } }
|
||
|
|
public override string Description { get { return "Pajamas Adventure System image"; } }
|
||
|
|
public override uint Signature { get { return 0x01015045u; } } // 'EP'
|
||
|
|
|
||
|
|
public EpaFormat ()
|
||
|
|
{
|
||
|
|
Signatures = new uint[] { 0x01015045u, 0x02015045u };
|
||
|
|
}
|
||
|
|
|
||
|
|
public override void Write (Stream file, ImageData image)
|
||
|
|
{
|
||
|
|
throw new NotImplementedException ("EpaFormat.Write not implemented");
|
||
|
|
}
|
||
|
|
|
||
|
|
public override ImageMetaData ReadMetaData (Stream stream)
|
||
|
|
{
|
||
|
|
using (var header = new ArcView.Reader (stream))
|
||
|
|
{
|
||
|
|
var info = new EpaMetaData();
|
||
|
|
info.Mode = header.ReadInt32() >> 24;
|
||
|
|
info.ColorType = header.ReadInt32() & 0xff;
|
||
|
|
switch (info.ColorType)
|
||
|
|
{
|
||
|
|
case 0: info.BPP = 8; break;
|
||
|
|
case 1: info.BPP = 24; break;
|
||
|
|
case 2: info.BPP = 32; break;
|
||
|
|
case 3: info.BPP = 15; break;
|
||
|
|
case 4: info.BPP = 8; break;
|
||
|
|
default: return null;
|
||
|
|
}
|
||
|
|
info.Width = header.ReadUInt32();
|
||
|
|
info.Height = header.ReadUInt32();
|
||
|
|
if (2 == info.Mode)
|
||
|
|
{
|
||
|
|
info.OffsetX = header.ReadInt32();
|
||
|
|
info.OffsetY = header.ReadInt32();
|
||
|
|
}
|
||
|
|
return info;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public override ImageData Read (Stream stream, ImageMetaData info)
|
||
|
|
{
|
||
|
|
var meta = info as EpaMetaData;
|
||
|
|
if (null == meta)
|
||
|
|
throw new ArgumentException ("EpaFormat.Read should be supplied with EpaMetaData", "info");
|
||
|
|
|
||
|
|
stream.Position = 2 == meta.Mode ? 0x18 : 0x10;
|
||
|
|
var reader = new Reader (stream, meta);
|
||
|
|
reader.Unpack();
|
||
|
|
return ImageData.Create (meta, reader.Format, reader.Palette, reader.Data);
|
||
|
|
}
|
||
|
|
|
||
|
|
internal class Reader
|
||
|
|
{
|
||
|
|
private Stream m_input;
|
||
|
|
private int m_width;
|
||
|
|
private int m_height;
|
||
|
|
private int m_pixel_size;
|
||
|
|
private byte[] m_output;
|
||
|
|
|
||
|
|
public PixelFormat Format { get; private set; }
|
||
|
|
public BitmapPalette Palette { get; private set; }
|
||
|
|
public byte[] Data { get { return m_output; } }
|
||
|
|
|
||
|
|
public Reader (Stream stream, EpaMetaData info)
|
||
|
|
{
|
||
|
|
m_input = stream;
|
||
|
|
switch (info.ColorType)
|
||
|
|
{
|
||
|
|
case 0: m_pixel_size = 1; Format = PixelFormats.Indexed8; break;
|
||
|
|
case 1: m_pixel_size = 3; Format = PixelFormats.Bgr24; break;
|
||
|
|
case 2: m_pixel_size = 4; Format = PixelFormats.Bgra32; break;
|
||
|
|
case 3: m_pixel_size = 2; Format = PixelFormats.Bgr555; break;
|
||
|
|
case 4: m_pixel_size = 1; Format = PixelFormats.Indexed8; break;
|
||
|
|
default: throw new NotSupportedException ("Not supported EPA color depth");
|
||
|
|
}
|
||
|
|
m_width = (int)info.Width;
|
||
|
|
m_height = (int)info.Height;
|
||
|
|
m_output = new byte[info.Width*info.Height*m_pixel_size];
|
||
|
|
if (8 == info.BPP)
|
||
|
|
ReadPalette();
|
||
|
|
}
|
||
|
|
|
||
|
|
private void ReadPalette ()
|
||
|
|
{
|
||
|
|
var palette_data = new byte[0x300];
|
||
|
|
if (palette_data.Length != m_input.Read (palette_data, 0, palette_data.Length))
|
||
|
|
throw new InvalidFormatException();
|
||
|
|
var palette = new Color[0x100];
|
||
|
|
for (int i = 0; i < palette.Length; ++i)
|
||
|
|
{
|
||
|
|
palette[i] = Color.FromRgb (palette_data[i*3+2], palette_data[i*3+1], palette_data[i*3]);
|
||
|
|
}
|
||
|
|
Palette = new BitmapPalette (palette);
|
||
|
|
}
|
||
|
|
|
||
|
|
public void Unpack ()
|
||
|
|
{
|
||
|
|
int dst = 0;
|
||
|
|
var offset_table = new int[16];
|
||
|
|
|
||
|
|
offset_table[0] = 0;
|
||
|
|
offset_table[1] = 1;
|
||
|
|
offset_table[2] = m_width;
|
||
|
|
offset_table[3] = m_width + 1;
|
||
|
|
offset_table[4] = 2;
|
||
|
|
offset_table[5] = m_width - 1;
|
||
|
|
offset_table[6] = m_width * 2;
|
||
|
|
offset_table[7] = 3;
|
||
|
|
offset_table[8] = (m_width + 1) * 2;
|
||
|
|
offset_table[9] = m_width + 2;
|
||
|
|
offset_table[10] = m_width * 2 + 1;
|
||
|
|
offset_table[11] = m_width * 2 - 1;
|
||
|
|
offset_table[12] = (m_width - 1) * 2;
|
||
|
|
offset_table[13] = m_width - 2;
|
||
|
|
offset_table[14] = m_width * 3;
|
||
|
|
offset_table[15] = 4;
|
||
|
|
|
||
|
|
while (dst < m_output.Length)
|
||
|
|
{
|
||
|
|
int flag = m_input.ReadByte();
|
||
|
|
if (-1 == flag)
|
||
|
|
throw new InvalidFormatException ("Unexpected end of file");
|
||
|
|
|
||
|
|
if (0 == (flag & 0xf0))
|
||
|
|
{
|
||
|
|
int count = flag;
|
||
|
|
if (dst + count > m_output.Length)
|
||
|
|
count = m_output.Length - dst;
|
||
|
|
if (count != m_input.Read (m_output, dst, count))
|
||
|
|
throw new InvalidFormatException ("Unexpected end of file");
|
||
|
|
dst += count;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
int count;
|
||
|
|
if (0 != (flag & 8))
|
||
|
|
{
|
||
|
|
count = m_input.ReadByte();
|
||
|
|
if (-1 == count)
|
||
|
|
throw new InvalidFormatException ("Unexpected end of file");
|
||
|
|
count += (flag & 7) << 8;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
count = flag & 7;
|
||
|
|
if (dst + count > m_output.Length)
|
||
|
|
break;
|
||
|
|
Binary.CopyOverlapped (m_output, dst-offset_table[flag >> 4], dst, count);
|
||
|
|
dst += count;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (m_pixel_size > 1)
|
||
|
|
{
|
||
|
|
var bitmap = new byte[m_output.Length];
|
||
|
|
int stride = m_width * m_pixel_size;
|
||
|
|
int i = 0;
|
||
|
|
for (int p = 0; p < m_pixel_size; ++p)
|
||
|
|
{
|
||
|
|
for (int y = 0; y < m_height; ++y)
|
||
|
|
{
|
||
|
|
int pixel = y * stride + p;
|
||
|
|
for (int x = 0; x < m_width; ++x)
|
||
|
|
{
|
||
|
|
bitmap[pixel] = m_output[i++];
|
||
|
|
pixel += m_pixel_size;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
m_output = bitmap;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|