GARbro-mirror/Legacy/Uran/ImageNCL.cs
2023-08-24 01:33:50 +04:00

102 lines
3.8 KiB
C#

//! \file ImageNCL.cs
//! \date 2022 May 11
//! \brief Uran multi-frame image.
//
// Copyright (C) 2022 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 GameRes.Compression;
using System.ComponentModel.Composition;
using System.IO;
using System.Windows.Media;
using System.Windows.Media.Imaging;
namespace GameRes.Formats.Uran
{
public class NclMetaData : ImageMetaData
{
public int DataOffset;
}
[Export(typeof(ImageFormat))]
public class NclFormat : ImageFormat
{
public override string Tag { get { return "NCL/URAN"; } }
public override string Description { get { return "Uran multi-frame image format"; } }
public override uint Signature { get { return 0; } }
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
if (!file.Name.HasExtension (".ncl"))
return null;
var header = file.ReadHeader (0x10);
int size = header.ToInt32 (0);
int name_length = header.ToUInt16 (8);
if (size <= 1 || 0 == name_length || name_length > 0x100)
return null;
int pos = 10 + name_length + 6;
header = file.ReadHeader (pos + 9);
var name = header.GetCString (10, name_length);
if (!name.HasExtension (".bmp"))
return null;
int header_size = header.ToUInt16 (pos-2);
if (header_size < 9 || header_size > 0x40 || pos + header_size + size > file.Length)
return null;
uint width = header.ToUInt32 (pos+1);
uint height = header.ToUInt32 (pos+5);
return new NclMetaData {
Width = width,
Height = height,
BPP = 8,
DataOffset = pos + header_size,
};
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
var meta = (NclMetaData)info;
file.Position = meta.DataOffset;
Stream input = new NclSubStream (file.AsStream, 10, true);
try
{
int method = input.ReadByte();
if (2 == method)
input = new ZLibStream (input, CompressionMode.Decompress);
var decoder = new BmpBitmapDecoder (input,
BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
var frame = decoder.Frames[0];
frame.Freeze();
return new ImageData (frame, info);
}
finally
{
input.Dispose();
}
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("NclFormat.Write not implemented");
}
}
}