mirror of
https://github.com/crskycode/GARbro.git
synced 2026-07-08 01:30:18 +08:00
implemented ARC4 archives and FCB images.
This commit is contained in:
208
ArcFormats/CaramelBox/ImageFCB.cs
Normal file
208
ArcFormats/CaramelBox/ImageFCB.cs
Normal file
@@ -0,0 +1,208 @@
|
||||
//! \file ImageFCB.cs
|
||||
//! \date Thu Aug 11 04:21:02 2016
|
||||
//! \brief Caramel BOX compressed image format.
|
||||
//
|
||||
// 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.ComponentModel.Composition;
|
||||
using System.IO;
|
||||
using System.Windows.Media;
|
||||
using GameRes.Compression;
|
||||
using GameRes.Utility;
|
||||
|
||||
namespace GameRes.Formats.CaramelBox
|
||||
{
|
||||
internal class FcbMetaData : ImageMetaData
|
||||
{
|
||||
public int Method;
|
||||
}
|
||||
|
||||
[Export(typeof(ImageFormat))]
|
||||
public class FcbFormat : ImageFormat
|
||||
{
|
||||
public override string Tag { get { return "FCB"; } }
|
||||
public override string Description { get { return "Caramel BOX image format"; } }
|
||||
public override uint Signature { get { return 0x31626366; } } // 'fcb1'
|
||||
|
||||
public override ImageMetaData ReadMetaData (Stream stream)
|
||||
{
|
||||
var header = new byte[0x10];
|
||||
if (header.Length != stream.Read (header, 0, header.Length))
|
||||
return null;
|
||||
return new FcbMetaData
|
||||
{
|
||||
Width = LittleEndian.ToUInt32 (header, 4),
|
||||
Height = LittleEndian.ToUInt32 (header, 8),
|
||||
Method = LittleEndian.ToInt32 (header, 12),
|
||||
BPP = 32,
|
||||
};
|
||||
}
|
||||
|
||||
public override ImageData Read (Stream stream, ImageMetaData info)
|
||||
{
|
||||
var meta = (FcbMetaData)info;
|
||||
byte[] input;
|
||||
if (1 == meta.Method)
|
||||
{
|
||||
stream.Position = 0x14;
|
||||
using (var reader = new ArcView.Reader (stream))
|
||||
{
|
||||
int unpacked_size = Binary.BigEndian (reader.ReadInt32());
|
||||
reader.ReadInt32(); // packed_size
|
||||
input = new byte[unpacked_size];
|
||||
using (var z = new ZLibStream (stream, CompressionMode.Decompress, true))
|
||||
if (unpacked_size != z.Read (input, 0, unpacked_size))
|
||||
throw new EndOfStreamException();
|
||||
}
|
||||
}
|
||||
else if (0 == meta.Method)
|
||||
{
|
||||
stream.Position = 0x10;
|
||||
using (var tz = new TzCompression (stream))
|
||||
input = tz.Unpack();
|
||||
}
|
||||
else
|
||||
throw new InvalidFormatException();
|
||||
var pixels = Unpack (input, info);
|
||||
return ImageData.Create (info, PixelFormats.Bgra32, null, pixels);
|
||||
}
|
||||
|
||||
public override void Write (Stream file, ImageData image)
|
||||
{
|
||||
throw new System.NotImplementedException ("FcbFormat.Write not implemented");
|
||||
}
|
||||
|
||||
byte[] Unpack (byte[] input, ImageMetaData info)
|
||||
{
|
||||
byte[] ref_pixel = { 0x80, 0x80, 0x80, 0xFF };
|
||||
var pixel = new byte[4];
|
||||
var delta = new int[4];
|
||||
|
||||
var output = new byte[info.Width * info.Height * 4];
|
||||
int src = 0;
|
||||
int dst = 0;
|
||||
for (uint y = 0; y < info.Height; ++y)
|
||||
{
|
||||
pixel[0] = ref_pixel[0];
|
||||
pixel[1] = ref_pixel[1];
|
||||
pixel[2] = ref_pixel[2];
|
||||
pixel[3] = ref_pixel[3];
|
||||
|
||||
for (uint x = 0; x < info.Width; ++x)
|
||||
{
|
||||
int v = input[src++];
|
||||
if (0 != (v & 0x80))
|
||||
{
|
||||
if (0 != (v & 0x40))
|
||||
{
|
||||
if (0 != (v & 0x20))
|
||||
{
|
||||
if (0 != (v & 0x10))
|
||||
{
|
||||
if (0 != (v & 0x08))
|
||||
{
|
||||
if (v == 0xFE)
|
||||
{
|
||||
delta[0] = input[src++] - 128;
|
||||
delta[1] = input[src++] - 128;
|
||||
delta[2] = input[src++] - 128;
|
||||
delta[3] = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
delta[0] = input[src++] - 128;
|
||||
delta[1] = input[src++] - 128;
|
||||
delta[2] = input[src++] - 128;
|
||||
delta[3] = input[src++] - 128;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
v = input[src++] | v << 8;
|
||||
v = input[src++] | v << 8;
|
||||
v = input[src++] | v << 8;
|
||||
delta[0] = ((v >> 20) & 0x7F) - 64;
|
||||
delta[1] = ((v >> 14) & 0x3F) - 32;
|
||||
delta[2] = ((v >> 8) & 0x3F) - 32;
|
||||
delta[3] = v - 128;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
v = input[src++] | v << 8;
|
||||
v = input[src++] | v << 8;
|
||||
delta[0] = ((v >> 14) & 0x3F) - 32;
|
||||
delta[1] = ((v >> 10) & 0x0F) - 8;
|
||||
delta[2] = ((v >> 6) & 0x0F) - 8;
|
||||
delta[3] = (v & 0x3F) - 32;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
v = input[src++] | v << 8;
|
||||
v = input[src++] | v << 8;
|
||||
delta[0] = ((v >> 13) & 0xFF) - 128;
|
||||
delta[1] = ((v >> 7) & 0x3F) - 32;
|
||||
delta[2] = (v & 0x7F) - 64;
|
||||
delta[3] = 0;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
v = input[src++] | v << 8;
|
||||
delta[0] = ((v >> 8) & 0x3F) - 32;
|
||||
delta[1] = ((v >> 4) & 0x0F) - 8;
|
||||
delta[2] = (v & 0xf) - 8;
|
||||
delta[3] = 0;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
delta[0] = ((v >> 4) & 7) - 4;
|
||||
delta[1] = ((v >> 2) & 3) - 2;
|
||||
delta[2] = (v & 3) - 2;
|
||||
delta[3] = 0;
|
||||
}
|
||||
|
||||
pixel[0] += (byte)(delta[0] + delta[1]);
|
||||
pixel[1] += (byte)delta[0];
|
||||
pixel[2] += (byte)(delta[0] + delta[2]);
|
||||
pixel[3] += (byte)delta[3];
|
||||
|
||||
output[dst++] = pixel[0];
|
||||
output[dst++] = pixel[1];
|
||||
output[dst++] = pixel[2];
|
||||
output[dst++] = pixel[3];
|
||||
|
||||
if (0 == x)
|
||||
{
|
||||
ref_pixel[0] = pixel[0];
|
||||
ref_pixel[1] = pixel[1];
|
||||
ref_pixel[2] = pixel[2];
|
||||
ref_pixel[3] = pixel[3];
|
||||
}
|
||||
}
|
||||
}
|
||||
return output;
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user