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147 lines
5.3 KiB
C#

//! \file ImageDTL.cs
//! \date 2022 Jun 12
//! \brief Sohfu image format;
//
// 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 System.ComponentModel.Composition;
using System.IO;
using System.Windows.Media;
namespace GameRes.Formats.Sohfu
{
internal class DtlMetaData : ImageMetaData
{
public int Stride;
}
[Export(typeof(ImageFormat))]
public class DtlFormat : ImageFormat
{
public override string Tag { get { return "DTL/SOHFU"; } }
public override string Description { get { return "Sohfu image format"; } }
public override uint Signature { get { return 0x5F4C5444; } } // 'DTL_'
public DtlFormat ()
{
Extensions = new[] { "ls8b", "ls8" };
}
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
var header = file.ReadHeader (0x18);
int bpp = header.ToInt32 (16);
if (bpp != 24 && bpp != 32 && bpp != 8 && bpp != 4)
return null;
return new DtlMetaData
{
Width = header.ToUInt32 (8),
Height = header.ToUInt32 (12),
BPP = bpp,
Stride = header.ToInt32 (20),
};
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
var meta = (DtlMetaData)info;
file.Position = 0x18;
var pixels = file.ReadBytes (meta.Stride * meta.iHeight);
PixelFormat format;
if (24 == meta.BPP)
format = PixelFormats.Bgr24;
else if (32 == meta.BPP)
format = PixelFormats.Bgra32;
else if (4 == meta.BPP)
format = PixelFormats.Gray4;
else
format = PixelFormats.Gray8;
return ImageData.Create (meta, format, null, pixels, meta.Stride);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("DtlFormat.Write not implemented");
}
}
[Export(typeof(ImageFormat))]
public class DtlcFormat : ImageFormat
{
public override string Tag { get { return "DTLC/SOHFU"; } }
public override string Description { get { return "Sohfu image format"; } }
public override uint Signature { get { return 0x434C5444; } } // 'DTLC'
public DtlcFormat ()
{
Extensions = new[] { "ls8b", "ls8" };
Signatures = new[] { 0x434C5444u, 0x414C5444u }; // 'DTLA'
}
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
var header = file.ReadHeader (0x18);
int bpp = header.ToInt32 (16);
if (bpp != 24 && bpp != 32)
return null;
return new DtlMetaData
{
Width = header.ToUInt32 (8),
Height = header.ToUInt32 (12),
BPP = bpp,
Stride = header.ToInt32 (20),
};
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
var meta = (DtlMetaData)info;
// var lineBuffer = new int[meta.iHeight][];
file.Position = 0x18;
for (int y = 0; y < meta.iHeight; ++y)
{
int n = file.ReadInt32();
// lineBuffer[y] = new int[n * 2];
for (int i = 0; i < n; ++i)
{
// lineBuffer[y][i*2] = file.ReadInt32(); // x
// lineBuffer[y][i*2+1] = file.ReadInt32(); // number of pixels
file.ReadInt32();
file.ReadInt32();
}
}
var pixels = file.ReadBytes (meta.Stride * meta.iHeight);
PixelFormat format;
if (24 == meta.BPP)
format = PixelFormats.Bgr24;
else
format = PixelFormats.Bgra32;
return ImageData.Create (meta, format, null, pixels, meta.Stride);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("DtlcFormat.Write not implemented");
}
}
}