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implemented RMT images.

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This commit is contained in:
morkt 2017-12-11 08:11:30 +04:00
parent d2d98ca143
commit 46549d3634
2 changed files with 83 additions and 0 deletions
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2
ArcFormats/ArcFormats.csproj
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@ -99,6 +99,7 @@
<Compile Include="BeF\ImageALO.cs" />
<Compile Include="BellDa\ArcDAT.cs" />
<Compile Include="BellDa\AudioPW.cs" />
<Compile Include="Bishop\ArcPK.cs" />
<Compile Include="BlackRainbow\ArcCCF.cs" />
<Compile Include="BlackRainbow\ArcIMP.cs" />
<Compile Include="BlackRainbow\ArcSPPAK.cs" />
@ -111,6 +112,7 @@
<Compile Include="Cyberworks\ArcApp.cs" />
<Compile Include="DirectDraw\DxtDecoder.cs" />
<Compile Include="elf\ArcAi5DAT.cs" />
<Compile Include="elf\ImageRMT.cs" />
<Compile Include="ExHibit\ArcGRP.cs" />
<Compile Include="Foster\ArcC24.cs" />
<Compile Include="Foster\ArcFA2.cs" />

81
ArcFormats/elf/ImageRMT.cs Normal file
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@ -0,0 +1,81 @@
//! \file ImageRMT.cs
//! \date 2017 Dec 11
//! \brief Ai5 engine compressed image format.
//
// 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;
using GameRes.Compression;
namespace GameRes.Formats.Elf
{
[Export(typeof(ImageFormat))]
public class RmtFormat : ImageFormat
{
public override string Tag { get { return "RMT"; } }
public override string Description { get { return "Ai5 engine compressed image format"; } }
public override uint Signature { get { return 0x20544D52; } } // 'RMT '
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
var header = file.ReadHeader (0x14);
return new ImageMetaData {
OffsetX = header.ToInt32 (4),
OffsetY = header.ToInt32 (8),
Width = header.ToUInt32 (0xC),
Height = header.ToUInt32 (0x10),
BPP = 32,
};
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
int stride = (int)info.Width * 4;
var pixels = new byte[stride * (int)info.Height];
file.Position = 0x14;
using (var input = new LzssStream (file.AsStream, LzssMode.Decompress, true))
input.Read (pixels, 0, pixels.Length);
for (int i = 4; i < stride; i += 4)
{
pixels[i ] += pixels[i-4];
pixels[i+1] += pixels[i-3];
pixels[i+2] += pixels[i-2];
pixels[i+3] += pixels[i-1];
}
for (int i = stride; i < pixels.Length; i += 4)
{
pixels[i ] += pixels[i-stride];
pixels[i+1] += pixels[i-stride+1];
pixels[i+2] += pixels[i-stride+2];
pixels[i+3] += pixels[i-stride+3];
}
return ImageData.CreateFlipped (info, PixelFormats.Bgra32, null, pixels, stride);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("RmtFormat.Write not implemented");
}
}
}