GARbro-mirror/ArcFormats/FC01/ImageWM2.cs

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2018-04-11 02:09:39 +08:00
//! \file ImageWM2.cs
//! \date 2018 Apr 07
//! \brief F&C Co. bitmap mask 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
{
[Export(typeof(ImageFormat))]
public class Wm2Format : ImageFormat
{
public override string Tag { get { return "WM2"; } }
public override string Description { get { return "F&C Co. bitmap mask"; } }
public override uint Signature { get { return 0x302E32; } } // '2.0'
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
var header = file.ReadHeader (12);
uint width = header.ToUInt32 (4);
uint height = header.ToUInt32 (8);
if (0 == width || width > 0x8000 || 0 == height || height > 0x8000)
return null;
return new ImageMetaData { Width = width, Height = height, BPP = 8 };
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
var output = new byte[info.Width * info.Height];
var table = new int[info.Height * 4];
file.Position = 12;
for (int i = 0; i < table.Length; ++i)
table[i] = file.ReadInt32();
int stride = (int)info.Width;
int height = (int)info.Height;
int row = 0;
int data_pos = height * 16 + 12;
int dst = 0;
for (int y = 0; y < height; ++y)
{
if (table[row] != 0)
{
file.Position = table[row+3] + data_pos;
file.Read (output, dst+table[row+1], table[row+2]);
}
row += 4;
dst += stride;
}
return ImageData.Create (info, PixelFormats.Gray8, null, output);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("Wm2Format.Write not implemented");
}
}
}