GARbro-mirror/ArcFormats/FC01/ImageTIL.cs

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2018-08-10 22:48:27 +08:00
//! \file ImageTIL.cs
//! \date 2018 Aug 10
//! \brief AGSI tile 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;
namespace GameRes.Formats.FC01
{
internal class TilMetaData : ImageMetaData
{
public int TileWidth;
public int TileHeight;
}
[Export(typeof(ImageFormat))]
public class TilFormat : ImageFormat
{
public override string Tag { get { return "TIL"; } }
public override string Description { get { return "AGSI tiled image format"; } }
public override uint Signature { get { return 0x304C4954; } } // 'TIL0'
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
var header = file.ReadHeader (0x14);
return new TilMetaData {
Width = header.ToUInt32 (4),
Height = header.ToUInt32 (8),
TileWidth = header.ToInt32 (0x0C),
TileHeight = header.ToInt32 (0x10),
BPP = 32,
};
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
var meta = (TilMetaData)info;
int tile_w = (int)meta.Width / meta.TileWidth;
int tile_h = (int)meta.Height / meta.TileHeight;
uint tile_position = 0x14;
int stride = (int)meta.Width * 4;
var pixels = new byte[stride * (int)meta.Height];
int tile_y = 0;
int tile_stride = stride * meta.TileHeight;
for (int i = 0; i < tile_h; ++i)
{
int tile_x = tile_y;
for (int j = 0; j < tile_w; ++j)
{
int dst = tile_x;
for (int y = 0; y < meta.TileHeight; ++y)
{
file.Position = tile_position;
uint line_length = file.ReadUInt32();
tile_position += line_length;
if (file.ReadInt32() != 0)
{
int offset = file.ReadInt32() * 4;
int length = file.ReadInt32() * 4;
file.Read (pixels, dst + offset, length);
}
dst += stride;
}
tile_x += 4 * meta.TileWidth;
}
tile_y += tile_stride;
}
return ImageData.Create (info, PixelFormats.Bgra32, null, pixels, stride);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("TilFormat.Write not implemented");
}
}
}