GARbro-mirror/ArcFormats/Kaguya/ImageAP.cs

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//! \file ImageAP.cs
//! \date Mon Jun 01 09:22:41 2015
//! \brief KaGuYa script engine bitmap format.
//
// Copyright (C) 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.ComponentModel.Composition;
using System.IO;
using System.Text;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Imaging;
namespace GameRes.Formats.Kaguya
{
[Export(typeof(ImageFormat))]
public class ApFormat : ImageFormat
{
public override string Tag { get { return "AP"; } }
public override string Description { get { return "KaGuYa script engine image format"; } }
public override uint Signature { get { return 0; } }
public ApFormat ()
{
Extensions = new string[] { "bg_", "cg_", "cgw", "sp_", "aps", "alp" };
}
public override ImageMetaData ReadMetaData (Stream stream)
{
int A = stream.ReadByte();
int P = stream.ReadByte();
if ('A' != A || 'P' != P)
return null;
using (var file = new ArcView.Reader (stream))
{
var info = new ImageMetaData();
info.Width = file.ReadUInt32();
info.Height = file.ReadUInt32();
info.BPP = file.ReadInt16();
if (info.Width > 0x8000 || info.Height > 0x8000 || !(32 == info.BPP || 24 == info.BPP))
return null;
return info;
}
}
public override ImageData Read (Stream stream, ImageMetaData info)
{
stream.Position = 12;
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return ReadBitmapData (stream, info);
}
protected ImageData ReadBitmapData (Stream stream, ImageMetaData info)
{
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int stride = (int)info.Width*4;
var pixels = new byte[stride*info.Height];
for (int row = (int)info.Height-1; row >= 0; --row)
{
if (stride != stream.Read (pixels, row*stride, stride))
throw new InvalidFormatException();
}
PixelFormat format = PixelFormats.Bgra32;
return ImageData.Create (info, format, null, pixels);
}
public override void Write (Stream file, ImageData image)
{
using (var output = new BinaryWriter (file, Encoding.ASCII, true))
{
output.Write ((byte)'A');
output.Write ((byte)'P');
output.Write (image.Width);
output.Write (image.Height);
output.Write ((short)24);
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WriteBitmapData (file, image);
}
}
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protected void WriteBitmapData (Stream file, ImageData image)
{
var bitmap = image.Bitmap;
if (bitmap.Format != PixelFormats.Bgra32)
{
bitmap = new FormatConvertedBitmap (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, 0, row_data.Length);
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}
}
}
[Export(typeof(ImageFormat))]
public class Ap2Format : ImageFormat
{
public override string Tag { get { return "AP-2"; } }
public override string Description { get { return "KaGuYa script engine image format"; } }
public override uint Signature { get { return 0x322D5041; } } // 'AP-2'
public Ap2Format ()
{
Extensions = new string[] { "alp" };
}
public override ImageMetaData ReadMetaData (Stream stream)
{
stream.Position = 4;
using (var file = new ArcView.Reader (stream))
{
var info = new ImageMetaData();
info.OffsetX = file.ReadInt32();
info.OffsetY = file.ReadInt32();
info.Width = file.ReadUInt32();
info.Height = file.ReadUInt32();
info.BPP = 32;
if (info.Width > 0x8000 || info.Height > 0x8000)
return null;
return info;
}
}
public override ImageData Read (Stream stream, ImageMetaData info)
{
stream.Position = 0x18;
var pixels = new byte[4*info.Width*info.Height];
if (pixels.Length != stream.Read (pixels, 0, pixels.Length))
throw new EndOfStreamException();
return ImageData.CreateFlipped (info, PixelFormats.Bgra32, null, pixels, 4*(int)info.Width);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("Ap2Format.Write not implemented");
}
}
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}