116 lines
4.2 KiB
C#

//! \file ImageHG2.cs
//! \date Sun Nov 29 06:33:49 2015
//! \brief CatSystem HG2 image format implementation.
//
// 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.ComponentModel.Composition;
using System.IO;
using System.Windows.Media;
namespace GameRes.Formats.CatSystem
{
internal class Hg2MetaData : HgMetaData
{
public int DataPacked;
public int DataUnpacked;
public int CtlPacked;
public int CtlUnpacked;
}
[Export(typeof(ImageFormat))]
public class Hg2Format : ImageFormat
{
public override string Tag { get { return "HG2"; } }
public override string Description { get { return "CatSystem engine image format"; } }
public override uint Signature { get { return 0x322D4748; } } // 'HG-2'
public override ImageMetaData ReadMetaData (IBinaryStream stream)
{
stream.Position = 8;
var info = new Hg2MetaData();
int type = stream.ReadInt32();
if (0x25 == type)
info.HeaderSize = 0x58;
else if (0x20 == type)
info.HeaderSize = 0x50;
else
return null;
info.Width = stream.ReadUInt32();
info.Height = stream.ReadUInt32();
info.BPP = stream.ReadInt32();
stream.Seek (8, SeekOrigin.Current);
info.DataPacked = stream.ReadInt32();
info.DataUnpacked = stream.ReadInt32();
info.CtlPacked = stream.ReadInt32();
info.CtlUnpacked = stream.ReadInt32();
stream.Seek (8, SeekOrigin.Current);
info.CanvasWidth = stream.ReadUInt32();
info.CanvasHeight = stream.ReadUInt32();
info.OffsetX = stream.ReadInt32();
info.OffsetY = stream.ReadInt32();
return info;
}
public override ImageData Read (IBinaryStream stream, ImageMetaData info)
{
using (var reader = new Hg2Reader (stream, (Hg2MetaData)info))
return reader.Image;
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("Hg2Format.Write not implemented");
}
}
internal sealed class Hg2Reader : HgReader
{
Hg2MetaData m_hg2;
public override ImageData Image
{
get
{
if (null == m_image)
{
var pixels = Unpack();
var format = 24 == m_hg2.BPP ? PixelFormats.Bgr24 : PixelFormats.Bgra32;
m_image = ImageData.CreateFlipped (m_hg2, format, null, pixels, Stride);
}
return m_image;
}
}
public Hg2Reader (IBinaryStream input, Hg2MetaData info) : base (input, info)
{
m_hg2 = info;
}
public byte[] Unpack ()
{
return UnpackStream (m_hg2.HeaderSize, m_hg2.DataPacked, m_hg2.DataUnpacked,
m_hg2.CtlPacked, m_hg2.CtlUnpacked);
}
}
}