GARbro-mirror/ArcFormats/Amaterasu/ImageGRP.cs

101 lines
4.0 KiB
C#

//! \file ImageGRP.cs
//! \date Wed Aug 19 20:58:51 2015
//! \brief Muv-Luv Amaterasu Translation RGB bitmap.
//
// Copyright (C) 2014-2015 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.IO;
using System.Text;
using System.ComponentModel.Composition;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Imaging;
namespace GameRes.Formats.Amaterasu
{
[Export(typeof(ImageFormat))]
public class GrpFormat : ImageFormat
{
public override string Tag { get { return "GRP"; } }
public override string Description { get { return Strings.arcStrings.GRPDescription; } }
public override uint Signature { get { return 0x00505247; } }
public override ImageMetaData ReadMetaData (Stream stream)
{
using (var file = new BinaryReader (stream, Encoding.ASCII, true))
{
if (file.ReadUInt32() != Signature)
return null;
var meta = new ImageMetaData();
meta.OffsetX = file.ReadInt16();
meta.OffsetY = file.ReadInt16();
meta.Width = file.ReadUInt16();
meta.Height = file.ReadUInt16();
meta.BPP = 32;
return meta;
}
}
public override ImageData Read (Stream file, ImageMetaData info)
{
int width = (int)info.Width;
int height = (int)info.Height;
int stride = width*4;
byte[] pixels = new byte[stride*height];
file.Position = 12;
for (int row = height-1; row >= 0; --row)
{
if (stride != file.Read (pixels, row*stride, stride))
throw new InvalidFormatException();
}
return ImageData.Create (info, PixelFormats.Bgra32, null, pixels);
}
public override void Write (Stream stream, ImageData image)
{
using (var file = new BinaryWriter (stream, Encoding.ASCII, true))
{
file.Write (Signature);
file.Write ((short)image.OffsetX);
file.Write ((short)image.OffsetY);
file.Write ((ushort)image.Width);
file.Write ((ushort)image.Height);
var bitmap = image.Bitmap;
if (bitmap.Format != PixelFormats.Bgra32)
{
bitmap = new FormatConvertedBitmap (image.Bitmap, PixelFormats.Bgra32, null, 0);
}
int stride = (int)image.Width * 4;
byte[] row_data = new byte[stride];
Int32Rect rect = new Int32Rect (0, (int)image.Height, (int)image.Width, 1);
for (uint row = 0; row < image.Height; ++row)
{
--rect.Y;
bitmap.CopyPixels (rect, row_data, stride, 0);
file.Write (row_data);
}
}
}
}
}