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//! \file ImagePGD.cs
//! \date Sat Feb 13 13:56:06 2016
//! \brief Image format used by subsidiaries of Amuse Craft (former Softpal).
//
// Copyright (C) 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.
//
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using System;
using System.ComponentModel.Composition;
using System.IO;
using System.Windows.Media;
using GameRes.Utility;
namespace GameRes.Formats.Softpal
{
[Export(typeof(ImageFormat))]
public class Pgd11Format : ImageFormat
{
public override string Tag { get { return "PGD/11_C"; } }
public override string Description { get { return "Image format used by Softpal subsidiaries"; } }
public override uint Signature { get { return 0x1C4547; } } // 'GE\x1C'
public Pgd11Format ()
{
Extensions = new string[] { "pgd" };
}
public override ImageMetaData ReadMetaData (Stream stream)
{
var header = new byte[0x20];
if (header.Length != stream.Read (header, 0, header.Length))
return null;
if (!Binary.AsciiEqual (header, 0x1C, "11_C"))
return null;
return new ImageMetaData
{
Width = LittleEndian.ToUInt32 (header, 0x0C),
Height = LittleEndian.ToUInt32 (header, 0x10),
OffsetX = LittleEndian.ToInt32 (header, 4),
OffsetY = LittleEndian.ToInt32 (header, 8),
BPP = 32,
};
}
public override ImageData Read (Stream stream, ImageMetaData info)
{
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using (var reader = new PgdReader (stream, 0x20))
{
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var planes = reader.Unpack11();
var pixels = new byte[planes.Length];
int plane_size = (int)info.Width*(int)info.Height;
int b_src = 0;
int g_src = b_src+plane_size;
int r_src = g_src+plane_size;
int alpha_src = r_src+plane_size;
int dst = 0;
while (dst < pixels.Length)
{
pixels[dst++] = planes[b_src++];
pixels[dst++] = planes[g_src++];
pixels[dst++] = planes[r_src++];
pixels[dst++] = planes[alpha_src++];
}
return ImageData.Create (info, PixelFormats.Bgra32, null, pixels);
}
}
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public override void Write (Stream file, ImageData image)
{
throw new NotImplementedException ("Pgd11Format.Write not implemented");
}
}
[Export(typeof(ImageFormat))]
public class Pgd00Format : ImageFormat
{
public override string Tag { get { return "PGD/00_C"; } }
public override string Description { get { return "Image format used by Softpal subsidiaries"; } }
public override uint Signature { get { return 0; } }
public Pgd00Format ()
{
Extensions = new string[] { "pgd" };
}
public override ImageMetaData ReadMetaData (Stream stream)
{
var header = new byte[0x24];
if (header.Length != stream.Read (header, 0, header.Length))
return null;
if (!Binary.AsciiEqual (header, 0x18, "00_C"))
return null;
return new ImageMetaData
{
Width = LittleEndian.ToUInt32 (header, 8),
Height = LittleEndian.ToUInt32 (header, 12),
OffsetX = LittleEndian.ToInt32 (header, 0),
OffsetY = LittleEndian.ToInt32 (header, 4),
BPP = 32,
};
}
public override ImageData Read (Stream stream, ImageMetaData info)
{
using (var reader = new PgdReader (stream, 0x1C))
{
var data = reader.Unpack00();
using (var tga = new MemoryStream (data))
{
var tga_info = Tga.ReadMetaData (tga);
if (null == tga_info)
throw new InvalidFormatException();
tga.Position = 0;
return Tga.Read (tga, tga_info);
}
}
}
public override void Write (Stream file, ImageData image)
{
throw new NotImplementedException ("Pgd00Format.Write not implemented");
}
}
[Export(typeof(ImageFormat))]
public class PgdTgaFormat : TgaFormat
{
public override string Tag { get { return "PGD/TGA"; } }
public override string Description { get { return "Image format used by Softpal subsidiaries"; } }
public override uint Signature { get { return 0; } }
public PgdTgaFormat ()
{
Extensions = new string[] { "pgd" };
}
public override ImageMetaData ReadMetaData (Stream stream)
{
var header = new byte[0x2A];
if (header.Length != stream.Read (header, 0, header.Length))
return null;
int x = LittleEndian.ToInt32 (header, 0);
int y = LittleEndian.ToInt32 (header, 4);
if (Math.Abs (x) > 0x2000 || Math.Abs (y) > 0x2000)
return null;
uint width = LittleEndian.ToUInt32 (header, 8);
uint height = LittleEndian.ToUInt32 (header, 12);
if (0 == width || 0 == height
|| width != LittleEndian.ToUInt16 (header, 0x24)
|| height != LittleEndian.ToUInt16 (header, 0x26))
return null;
stream.Position = 0x18;
var tga_info = base.ReadMetaData (stream);
if (null == tga_info)
return null;
tga_info.OffsetX = x;
tga_info.OffsetY = y;
return tga_info;
}
public override ImageData Read (Stream stream, ImageMetaData info)
{
using (var tga = new StreamRegion (stream, 0x18))
return base.Read (tga, info);
}
public override void Write (Stream file, ImageData image)
{
throw new NotImplementedException ("PgdTgaFormat.Write not implemented");
}
}
internal sealed class PgdReader : IDisposable
{
BinaryReader m_input;
byte[] m_output;
public byte[] Data { get { return m_output; } }
public PgdReader (Stream input, int position)
{
input.Position = position;
m_input = new ArcView.Reader (input);
int unpacked_size = m_input.ReadInt32();
m_input.ReadInt32(); // packed_size
m_output = new byte[unpacked_size];
}
public byte[] Unpack00 ()
{
return Unpack (3000);
}
public byte[] Unpack11 ()
{
return Unpack (0xFFC);
}
byte[] Unpack (int look_behind)
{
int dst = 0;
int ctl = 2;
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while (dst < m_output.Length)
{
ctl >>= 1;
if (1 == ctl)
{
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ctl = m_input.ReadByte() | 0x100;
}
int count;
if (0 != (ctl & 1))
{
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int src = m_input.ReadUInt16();
count = m_input.ReadByte();
if (dst > look_behind)
src += dst - look_behind;
Binary.CopyOverlapped (m_output, src, dst, count);
}
else
{
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count = m_input.ReadByte();
m_input.Read (m_output, dst, count);
}
dst += count;
}
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return m_output;
}
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#region IDisposable Members
bool _disposed = false;
public void Dispose ()
{
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if (!_disposed)
{
m_input.Dispose();
_disposed = true;
}
}
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#endregion
}
}