//! \file ArcSQZ.cs //! \date Sun Oct 09 03:29:54 2016 //! \brief Musica engine multi-frame images. // // Copyright (C) 2016 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.Collections.Generic; using System.ComponentModel.Composition; using System.IO; using System.Windows.Media; using GameRes.Compression; namespace GameRes.Formats.Musica { internal class SqzArchive : ArcFile { public readonly ImageMetaData Info; public readonly int FPS; public SqzArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, ImageMetaData info, int fps) : base (arc, impl, dir) { Info = info; FPS = fps; } } [Export(typeof(ArchiveFormat))] public class SqzOpener : ArchiveFormat { public override string Tag { get { return "SQZ"; } } public override string Description { get { return "Musica engine animated frames"; } } public override uint Signature { get { return 0x315A5153; } } // 'SQZ1' public override bool IsHierarchic { get { return false; } } public override bool CanWrite { get { return false; } } public override ArcFile TryOpen (ArcView file) { int count = file.View.ReadInt32 (4); if (!IsSaneCount (count)) return null; var info = new ImageMetaData { Width = file.View.ReadUInt32 (8), Height = file.View.ReadUInt32 (0xC), BPP = 32, }; int fps = file.View.ReadInt32(0x10); var base_name = Path.GetFileNameWithoutExtension (file.Name); uint index_offset = 0x14; var dir = new List<Entry> (count); for (int i = 0; i < count; ++i) { var entry = new Entry { Name = string.Format ("{0}#{1:D4}", base_name, i), Type = "image", Offset = file.View.ReadUInt32 (index_offset), Size = file.View.ReadUInt32 (index_offset+4), }; if (!entry.CheckPlacement (file.MaxOffset)) return null; dir.Add (entry); index_offset += 8; } return new SqzArchive (file, this, dir, info, fps); } public override IImageDecoder OpenImage (ArcFile arc, Entry entry) { var sqarc = (SqzArchive)arc; var input = arc.File.CreateStream (entry.Offset, entry.Size); var zs = new ZLibStream (input, CompressionMode.Decompress); return new SqzReader (zs, sqarc.Info); } internal sealed class SqzReader : IImageDecoder { Stream m_input; ImageMetaData m_info; ImageData m_image; public Stream Source { get { return m_input; } } public ImageFormat SourceFormat { get { return null; } } public ImageMetaData Info { get { return m_info; } } public ImageData Image { get { if (null == m_image) { var pixels = new byte[m_info.Width * m_info.Height * 4]; m_input.Read (pixels, 0, pixels.Length); m_image = ImageData.Create (m_info, PixelFormats.Bgra32, null, pixels); } return m_image; } } public SqzReader (Stream input, ImageMetaData info) { m_input = input; m_info = info; } bool m_disposed = false; public void Dispose () { if (!m_disposed) { m_input.Dispose(); m_disposed = true; } } } } }