GARbro-mirror/ArcFormats/ImagePTI.cs

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//! \file ImagePTI.cs
//! \date Sun Oct 11 02:40:54 2015
//! \brief Custom BMP 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 GameRes.Utility;
using System.ComponentModel.Composition;
using System.IO;
namespace GameRes.Formats.Misc
{
[Export(typeof(ImageFormat))]
public class PtiFormat : BmpFormat
{
public override string Tag { get { return "PTI"; } }
public override string Description { get { return "Custom BMP image"; } }
public override uint Signature { get { return 0; } }
public override ImageMetaData ReadMetaData (Stream stream)
{
var header = ReadHeader (stream);
if (null == header)
return null;
using (var bmp = new MemoryStream (header))
return base.ReadMetaData (bmp);
}
byte[] ReadHeader (Stream stream)
{
var header = new byte[0x36];
if (0x10 != stream.Read (header, 0, 0x10)
|| 'B' != header[0] || 'M' != header[1]
|| 0 != LittleEndian.ToUInt16 (header, 0xE)
|| 0x28 != stream.Read (header, 0xE, 0x28)
|| 0x28 != header[0xE])
return null;
return header;
}
public override ImageData Read (Stream stream, ImageMetaData info)
{
uint length = (uint)(stream.Length - 0x38);
var image = new byte[length+0x38];
stream.Read (image, 0, 0x10);
stream.Read (image, 0xE, (int)length+0x28);
if (24 == info.BPP && length+2 == info.Width * info.Height * 3)
{
image[image.Length-2] = 0xFF;
image[image.Length-1] = 0xFF;
length += 2;
}
LittleEndian.Pack (length+0x36, image, 2);
using (var bmp = new MemoryStream (image))
return base.Read (bmp, info);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("PtiFormat.Write not implemented");
}
}
}