GARbro-mirror/Legacy/Powerd/ImageNCL.cs

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2018-11-17 04:44:07 +08:00
//! \file ImageNCL.cs
//! \date 2018 Nov 14
//! \brief Powerd 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;
using System.Windows.Media.Imaging;
// [010810][Powered] Fight! Makoto
namespace GameRes.Formats.Powerd
{
[Export(typeof(ImageFormat))]
public class NclFormat : ImageFormat
{
public override string Tag { get { return "NCL"; } }
public override string Description { get { return "Powerd image format"; } }
public override uint Signature { get { return 0x4C4C4543; } } // 'CELL'
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
var header = file.ReadHeader (0x20);
if (header.ToInt32 (4) != 0x010100)
return null;
return new ImageMetaData {
Width = header.ToUInt32 (0x18),
Height = header.ToUInt32 (0x1C),
BPP = 24,
};
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
ImageData base_img;
using (var input = new StreamRegion (file.AsStream, 0x24, true))
using (var bmp = new BinaryStream (input, file.Name))
{
var bmp_info = Bmp.ReadMetaData (bmp) as BmpMetaData;
if (null == bmp_info)
throw new InvalidFormatException();
bmp.Position = 0;
base_img = Bmp.Read (bmp, bmp_info);
file.Position = 0x24 + bmp_info.ImageLength;
if (file.PeekByte() == -1)
return base_img;
}
using (var input = new StreamRegion (file.AsStream, file.Position, true))
using (var bmp = new BinaryStream (input, file.Name))
{
var bmp_info = Bmp.ReadMetaData (bmp) as BmpMetaData;
if (null == bmp_info)
return base_img;
bmp.Position = 0;
var alpha_img = Bmp.Read (bmp, bmp_info);
var alpha_bmp = new FormatConvertedBitmap (alpha_img.Bitmap, PixelFormats.Gray8, null, 0);
var alpha = new byte[alpha_bmp.PixelWidth * alpha_bmp.PixelHeight];
alpha_bmp.CopyPixels (alpha, alpha_bmp.PixelWidth, 0);
var base_bmp = new FormatConvertedBitmap (base_img.Bitmap, PixelFormats.Bgr32, null, 0);
int stride = base_bmp.PixelWidth * 4;
var pixels = new byte[stride * base_bmp.PixelHeight];
base_bmp.CopyPixels (pixels, stride, 0);
int asrc = 0;
for (int dst = 3; dst < pixels.Length; dst += 4)
{
pixels[dst] = alpha[asrc++];
}
return ImageData.Create (info, PixelFormats.Bgra32, null, pixels, stride);
}
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("NclFormat.Write not implemented");
}
}
}