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116 lines
4.2 KiB
C#
116 lines
4.2 KiB
C#
//! \file ImageHG2.cs
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//! \date Sun Nov 29 06:33:49 2015
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//! \brief CatSystem HG2 image format implementation.
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//
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// Copyright (C) 2015 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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namespace GameRes.Formats.CatSystem
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{
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internal class Hg2MetaData : HgMetaData
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{
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public int DataPacked;
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public int DataUnpacked;
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public int CtlPacked;
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public int CtlUnpacked;
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}
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[Export(typeof(ImageFormat))]
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public class Hg2Format : ImageFormat
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{
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public override string Tag { get { return "HG2"; } }
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public override string Description { get { return "CatSystem engine image format"; } }
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public override uint Signature { get { return 0x322D4748; } } // 'HG-2'
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public override ImageMetaData ReadMetaData (IBinaryStream stream)
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{
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stream.Position = 8;
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var info = new Hg2MetaData();
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int type = stream.ReadInt32();
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if (0x25 == type)
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info.HeaderSize = 0x58;
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else if (0x20 == type)
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info.HeaderSize = 0x50;
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else
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return null;
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info.Width = stream.ReadUInt32();
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info.Height = stream.ReadUInt32();
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info.BPP = stream.ReadInt32();
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stream.Seek (8, SeekOrigin.Current);
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info.DataPacked = stream.ReadInt32();
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info.DataUnpacked = stream.ReadInt32();
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info.CtlPacked = stream.ReadInt32();
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info.CtlUnpacked = stream.ReadInt32();
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stream.Seek (8, SeekOrigin.Current);
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info.CanvasWidth = stream.ReadUInt32();
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info.CanvasHeight = stream.ReadUInt32();
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info.OffsetX = stream.ReadInt32();
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info.OffsetY = stream.ReadInt32();
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return info;
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}
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public override ImageData Read (IBinaryStream stream, ImageMetaData info)
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{
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using (var reader = new Hg2Reader (stream, (Hg2MetaData)info))
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return reader.Image;
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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 ("Hg2Format.Write not implemented");
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}
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}
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internal sealed class Hg2Reader : HgReader
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{
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Hg2MetaData m_hg2;
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public override ImageData Image
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{
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get
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{
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if (null == m_image)
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{
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var pixels = Unpack();
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var format = 24 == m_hg2.BPP ? PixelFormats.Bgr24 : PixelFormats.Bgra32;
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m_image = ImageData.CreateFlipped (m_hg2, format, null, pixels, Stride);
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}
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return m_image;
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}
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}
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public Hg2Reader (IBinaryStream input, Hg2MetaData info) : base (input, info)
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{
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m_hg2 = info;
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}
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public byte[] Unpack ()
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{
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return UnpackStream (m_hg2.HeaderSize, m_hg2.DataPacked, m_hg2.DataUnpacked,
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m_hg2.CtlPacked, m_hg2.CtlUnpacked);
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}
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}
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}
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