GARbro-mirror/ArcFormats/Seraphim/ArcCP3.cs

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2018-10-27 13:57:58 +08:00
//! \file ArcCP3.cs
//! \date 2018 Oct 26
//! \brief Seraphim engine multi-frame image.
//
// Copyright (C) 2018 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;
namespace GameRes.Formats.Seraphim
{
[Export(typeof(ArchiveFormat))]
public class Cp3Opener : ArchiveFormat
{
public override string Tag { get { return "CP3"; } }
public override string Description { get { return "Seraphim engine multi-frame image"; } }
public override uint Signature { get { return 0x58335043; } } // 'CP3X'
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 (8);
if (!IsSaneCount (count))
return null;
var base_name = Path.GetFileNameWithoutExtension (file.Name);
var dir = new List<Entry> (count);
uint offset = 0x2C;
for (int i = 0; i < count; ++i)
{
uint width = file.View.ReadUInt32 (offset+8);
uint height = file.View.ReadUInt32 (offset+12);
uint size = width * height * 4 + 0x10;
if (size != 0x10)
{
var entry = new Entry {
Name = string.Format ("{0}#{1:D4}", base_name, i),
Type = "image",
Offset = offset,
Size = size,
};
dir.Add (entry);
}
offset += size;
}
return new ArcFile (file, this, dir);
}
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
{
var input = arc.File.CreateStream (entry.Offset, entry.Size);
return new Cp3ImageDecoder (input);
}
}
internal class Cp3ImageDecoder : BinaryImageDecoder
{
public Cp3ImageDecoder (IBinaryStream input) : base (input)
{
var header = input.ReadHeader (0x10);
Info = new ImageMetaData {
Width = header.ToUInt32 (8),
Height = header.ToUInt32 (12),
BPP = 32,
};
}
protected override ImageData GetImageData ()
{
m_input.Position = 0x10;
int stride = (int)Info.Width * 4;
var pixels = m_input.ReadBytes (stride * (int)Info.Height);
return ImageData.CreateFlipped (Info, PixelFormats.Bgra32, null, pixels, stride);
}
}
}