GARbro-mirror/Legacy/FazeX/ImageFGP.cs

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2019-03-04 08:00:05 +08:00
//! \file ImageFGP.cs
//! \date 2019 Feb 28
//! \brief FazeX ADV System image.
//
// Copyright (C) 2019 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 GameRes.Compression;
// [011130][Malt] Emblem
namespace GameRes.Formats.FazeX
{
[Export(typeof(ImageFormat))]
public class FgpFormat : ImageFormat
{
public override string Tag { get { return "FGP"; } }
public override string Description { get { return "FazeX ADV System image format"; } }
public override uint Signature { get { return 0x455A4146; } } // 'FAZEX_GRAPHIC_FILE'
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
var header = file.ReadHeader (0x1B);
if (!header.AsciiEqual (0, "FAZEX_GRAPHIC_FILE"))
return null;
return new ImageMetaData
{
Width = header.ToUInt32 (0x13),
Height = header.ToUInt32 (0x17),
BPP = 32,
};
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
file.Position = 0x1B;
int plane_size = info.iWidth * info.iHeight;
var pixels = new byte[plane_size * 4];
using (var input = new LzssStream (file.AsStream, LzssMode.Decompress, true))
{
var plane = new byte[plane_size];
int dst;
for (int c = 0; c < 3; ++c)
{
input.Read (plane, 0, plane_size);
dst = c;
for (int src = 0; src < plane_size; ++src)
{
pixels[dst] = plane[src];
dst += 4;
}
}
// alpha channel is inverted
input.Read (plane, 0, plane_size);
dst = 3;
for (int src = 0; src < plane_size; ++src)
{
pixels[dst] = (byte)(0xFF - plane[src]);
dst += 4;
}
}
return ImageData.CreateFlipped (info, PixelFormats.Bgra32, null, pixels, info.iWidth * 4);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("FgpFormat.Write not implemented");
}
}
}