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89 lines
3.3 KiB
C#
89 lines
3.3 KiB
C#
//! \file ImageHBM.cs
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//! \date 2018 Oct 18
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//! \brief Rits engine image format.
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//
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// Copyright (C) 2018 by morkt
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using System.ComponentModel.Composition;
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using System.IO;
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using System.Windows.Media;
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using GameRes.Compression;
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namespace GameRes.Formats.Rits
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{
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internal class HbmMetaData : ImageMetaData
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{
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public bool IsCompressed;
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public bool IsFlipped;
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}
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[Export(typeof(ImageFormat))]
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public class HbmFormat : ImageFormat
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{
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public override string Tag { get { return "HBM"; } }
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public override string Description { get { return "Rit's image format"; } }
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public override uint Signature { get { return 0x4D4248; } } // 'HBM'
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public override ImageMetaData ReadMetaData (IBinaryStream file)
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{
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var header = file.ReadHeader (0x10);
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return new HbmMetaData {
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Width = header.ToUInt32 (4),
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Height = header.ToUInt32 (8),
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BPP = 16,
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IsCompressed = (header[12] & 0x10) != 0,
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IsFlipped = (header[12] & 0x20) != 0,
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};
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}
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public override ImageData Read (IBinaryStream file, ImageMetaData info)
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{
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var meta = (HbmMetaData)info;
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int stride = (2 * (int)meta.Width + 3) & ~3;
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var pixels = new byte[stride * (int)meta.Height];
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Stream input = file.AsStream;
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if (meta.IsCompressed)
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{
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input.Position = 0x14;
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input = new ZLibStream (input, CompressionMode.Decompress, true);
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}
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else
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input.Position = 0x10;
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if (meta.IsFlipped)
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{
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for (int dst = pixels.Length - stride; dst >= 0; dst -= stride)
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input.Read (pixels, dst, stride);
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}
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else
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input.Read (pixels, 0, pixels.Length);
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if (input != file.AsStream)
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input.Dispose();
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return ImageData.Create (info, PixelFormats.Bgr555, null, pixels, stride);
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}
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public override void Write (Stream file, ImageData image)
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{
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throw new System.NotImplementedException ("HbmFormat.Write not implemented");
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}
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}
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}
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