GARbro-mirror/ArcFormats/Qlie/ImageABMP.cs
2018-06-19 14:08:23 +04:00

104 lines
4.0 KiB
C#

//! \file ImageABMP.cs
//! \date 2018 Jun 18
//! \brief QLIE image format.
//
// 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.Windows.Media;
namespace GameRes.Formats.Qlie
{
internal class Abmp6MetaData : ImageMetaData
{
public uint ImageDataOffset;
public uint ImageDataSize;
public ImageFormat Format;
public ImageMetaData Info;
}
[Export(typeof(ImageFormat))]
public class AbmpFormat : ImageFormat
{
public override string Tag { get { return "B/ABMP6"; } }
public override string Description { get { return "QLIE engine image format"; } }
public override uint Signature { get { return 0x504D4241; } } // 'ABMP6'
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
var header = file.ReadHeader (0x10);
if (!header.AsciiEqual ("ABMP6\0"))
return null;
uint data_offset = header.ToUInt32 (0xC) + 0x10;
file.Position = data_offset;
uint data_size = file.ReadUInt32();
data_offset += 4;
uint signature = file.ReadUInt32();
ImageFormat format;
if (signature == Png.Signature)
format = Png;
else if (signature == 0xE0FFD8FFu)
format = Jpeg;
else if ((signature & 0xFFFF) == 0x4D42)
{
format = Bmp;
file.Position = data_offset+2;
data_size = file.ReadUInt32();
}
else
return null;
using (var input = OpenImageStream (file, data_offset, data_size))
{
var info = format.ReadMetaData (input);
if (null == info)
return null;
return new Abmp6MetaData {
Width = info.Width, Height = info.Height,
OffsetX = info.OffsetX, OffsetY = info.OffsetY,
BPP = info.BPP,
ImageDataOffset = data_offset, ImageDataSize = data_size,
Format = format, Info = info,
};
}
}
internal IBinaryStream OpenImageStream (IBinaryStream file, uint offset, uint size)
{
var input = new StreamRegion (file.AsStream, offset, size, true);
return new BinaryStream (input, file.Name);
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
var meta = (Abmp6MetaData)info;
using (var input = OpenImageStream (file, meta.ImageDataOffset, meta.ImageDataSize))
return meta.Format.Read (input, meta.Info);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("Abmp6Format.Write not implemented");
}
}
}