GARbro-mirror/Legacy/WestGate/ImageNBMP.cs
2018-11-10 22:14:33 +04:00

74 lines
3.0 KiB
C#

//! \file ImageNBMP.cs
//! \date 2017 Dec 15
//! \brief West Gate bitmap.
//
// Copyright (C) 2017 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;
using System.Windows.Media.Imaging;
namespace GameRes.Formats.WestGate
{
[Export(typeof(ImageFormat))]
public class NbmpFormat : ImageFormat
{
public override string Tag { get { return "NBMP"; } }
public override string Description { get { return "West Gate bitmap format"; } }
public override uint Signature { get { return 0x504D424E; } } // 'NBMP'
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
var header = file.ReadHeader (0x2C);
if (header.ToInt32 (4) != 0x28)
return null;
int bpp = header.ToInt16 (0x12);
if (bpp != 24 && bpp != 32 && bpp != 8)
return null;
return new ImageMetaData {
Width = header.ToUInt32 (8),
Height = header.ToUInt32 (0xC),
BPP = bpp,
};
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
int stride = ((int)info.Width * info.BPP / 8 + 3) & ~3;
file.Position = 0x2C;
BitmapPalette palette = null;
if (8 == info.BPP)
palette = ReadPalette (file.AsStream);
var pixels = file.ReadBytes (stride * (int)info.Height);
PixelFormat format = 8 == info.BPP ? PixelFormats.Indexed8
: 24 == info.BPP ? PixelFormats.Bgr24 : PixelFormats.Bgr32;
return ImageData.CreateFlipped (info, format, palette, pixels, stride);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("NbmpFormat.Write not implemented");
}
}
}