implemented Masys ALP bitmasks.

This commit is contained in:
morkt 2017-11-21 10:13:02 +04:00
parent f5a847c966
commit 15982675c5
2 changed files with 97 additions and 0 deletions

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@ -124,6 +124,7 @@
<Compile Include="Malie\ArcLIBU.cs" />
<Compile Include="Malie\LibScheme.cs" />
<Compile Include="Malie\MalieEncryption.cs" />
<Compile Include="Masys\ImageALP.cs" />
<Compile Include="MicroVision\ArcARC.cs" />
<Compile Include="MicroVision\ArcGSD.cs" />
<Compile Include="MicroVision\AudioIKM.cs" />

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@ -0,0 +1,96 @@
//! \file ImageALP.cs
//! \date 2017 Nov 21
//! \brief Masys Enhanced Game Unit alpha channel bitmap.
//
// Copyright (C) 2017 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.Megu
{
internal class AlpMetaData : ImageMetaData
{
public uint UnpackedSize;
}
[Export(typeof(ImageFormat))]
public class AlpFormat : ImageFormat
{
public override string Tag { get { return "ALP/MEGU"; } }
public override string Description { get { return "Masys alpha channel bitmap"; } }
public override uint Signature { get { return 0x64504C41; } } // 'ALPd'
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
var header = file.ReadHeader (0x15);
if (header[4] != 0)
return null;
return new AlpMetaData {
Width = header.ToUInt32 (5),
Height = header.ToUInt32 (9),
BPP = 8,
UnpackedSize = header.ToUInt32 (0x11),
};
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
var meta = (AlpMetaData)info;
file.Position = 0x15;
var pixels = Unpack (file, meta.UnpackedSize);
return ImageData.Create (info, PixelFormats.Gray8, null, pixels);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("AlpFormat.Write not implemented");
}
byte[] Unpack (IBinaryStream input, uint unpacked_size)
{
var output = new byte[unpacked_size];
int dst = 0;
while (dst < output.Length)
{
int ctl = input.ReadByte();
if (-1 == ctl)
break;
byte val = (byte)((ctl & 0x7F) * 0xFF / 0x40);
if (0 != (ctl & 0x80))
{
int count = input.ReadUInt16();
for (int i = 0; i < count; ++i)
{
output[dst++] = val;
}
}
else
{
output[dst++] = val;
}
}
return output;
}
}
}