GARbro-mirror/Legacy/Tigerman/ImageCHR.cs

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//! \file ImageCHR.cs
//! \date 2018 Apr 10
//! \brief Tigerman Project compound image.
//
// Copyright (C) 2018 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.Linq;
namespace GameRes.Formats.Tigerman
{
internal class ChrMetaData : ImageMetaData
{
public uint Offset;
public uint Length;
public ImageMetaData ZitInfo;
}
[Export(typeof(ImageFormat))]
public class ChrFormat : ImageFormat
{
public override string Tag { get { return "CHR/TIGERMAN"; } }
public override string Description { get { return "Tigerman Project compound image"; } }
public override uint Signature { get { return 0; } }
public ChrFormat ()
{
Extensions = new string[] { "chr", "cls", "ev" };
Signatures = new uint[] { 0x01B1, 0 };
}
static readonly ResourceInstance<ImageFormat> s_zit_format = new ResourceInstance<ImageFormat> ("ZIT");
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
uint base_offset = file.ReadUInt32();
if (base_offset >= file.Length)
return null;
uint base_length = file.ReadUInt32();
if (base_offset + base_length > file.Length)
return null;
file.Position = base_offset;
uint signature = file.ReadUInt32();
if (!s_zit_format.Value.Signatures.Contains (signature))
return null;
using (var zit = OpenZitStream (file, base_offset, base_length))
{
var info = s_zit_format.Value.ReadMetaData (zit);
if (null == info)
return null;
return new ChrMetaData {
Width = info.Width,
Height = info.Height,
BPP = info.BPP,
Offset = base_offset,
Length = base_length,
ZitInfo = info,
};
}
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
var meta = (ChrMetaData)info;
using (var zit = OpenZitStream (file, meta.Offset, meta.Length))
return s_zit_format.Value.Read (zit, meta.ZitInfo);
}
IBinaryStream OpenZitStream (IBinaryStream file, uint offset, uint size)
{
var input = new StreamRegion (file.AsStream, offset, size, true);
return new BinaryStream (input, file.Name);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("ChrFormat.Write not implemented");
}
}
}