mirror of
https://github.com/crskycode/GARbro.git
synced 2024-11-23 21:55:34 +08:00
286 lines
11 KiB
C#
286 lines
11 KiB
C#
//! \file ImageGRP.cs
|
|
//! \date Wed Jun 24 22:14:41 2015
|
|
//! \brief Cherry Soft compressed image format.
|
|
//
|
|
// Copyright (C) 2015 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;
|
|
using System.ComponentModel.Composition;
|
|
using System.IO;
|
|
using System.Windows.Media;
|
|
using System.Windows.Media.Imaging;
|
|
using GameRes.Compression;
|
|
using GameRes.Utility;
|
|
|
|
namespace GameRes.Formats.Cherry
|
|
{
|
|
internal class GrpMetaData : ImageMetaData
|
|
{
|
|
public int PackedSize;
|
|
public int UnpackedSize;
|
|
public int Offset;
|
|
public int HeaderSize;
|
|
public bool AlphaChannel;
|
|
}
|
|
|
|
[Export(typeof(ImageFormat))]
|
|
public class GrpFormat : ImageFormat
|
|
{
|
|
public override string Tag { get { return "GRP/CHERRY"; } }
|
|
public override string Description { get { return "Cherry Soft compressed image format"; } }
|
|
public override uint Signature { get { return 0; } }
|
|
|
|
public GrpFormat ()
|
|
{
|
|
Extensions = new string[] { "grp" };
|
|
}
|
|
|
|
public override ImageMetaData ReadMetaData (IBinaryStream stream)
|
|
{
|
|
var header = stream.ReadHeader (0x18);
|
|
uint width = header.ToUInt32 (0);
|
|
uint height = header.ToUInt32 (4);
|
|
int bpp = header.ToInt32 (8);
|
|
int packed_size = header.ToInt32 (0x0C);
|
|
int unpacked_size = header.ToInt32 (0x10);
|
|
if (0 == width || 0 == height || width > 0x7fff || height > 0x7fff
|
|
|| (bpp != 24 && bpp != 8)
|
|
|| unpacked_size <= 0 || packed_size < 0)
|
|
return null;
|
|
return new GrpMetaData
|
|
{
|
|
Width = width,
|
|
Height = height,
|
|
BPP = bpp,
|
|
PackedSize = packed_size,
|
|
UnpackedSize = unpacked_size,
|
|
Offset = header.ToInt32 (0x14),
|
|
HeaderSize = 0x18,
|
|
AlphaChannel = false,
|
|
};
|
|
}
|
|
|
|
public override ImageData Read (IBinaryStream file, ImageMetaData info)
|
|
{
|
|
var meta = (GrpMetaData)info;
|
|
var reader = new GrpReader (file.AsStream, meta);
|
|
return reader.CreateImage();
|
|
}
|
|
|
|
public override void Write (Stream file, ImageData image)
|
|
{
|
|
throw new NotImplementedException ("GrpFormat.Write not implemented");
|
|
}
|
|
}
|
|
|
|
[Export(typeof(ImageFormat))]
|
|
public class Grp3Format : GrpFormat
|
|
{
|
|
public override string Tag { get { return "GRP/CHERRY3"; } }
|
|
public override string Description { get { return "Cherry Soft compressed image format"; } }
|
|
public override uint Signature { get { return 0; } }
|
|
|
|
public override ImageMetaData ReadMetaData (IBinaryStream stream)
|
|
{
|
|
var header = stream.ReadHeader (0x28);
|
|
if (0xFFFF != header.ToInt32 (8))
|
|
return null;
|
|
int packed_size = header.ToInt32 (0);
|
|
int unpacked_size = header.ToInt32 (4);
|
|
uint width = header.ToUInt32 (0x10);
|
|
uint height = header.ToUInt32 (0x14);
|
|
int bpp = header.ToInt32 (0x18);
|
|
if (0 == width || 0 == height || width > 0x7fff || height > 0x7fff
|
|
|| (bpp != 32 && bpp != 24 && bpp != 8)
|
|
|| unpacked_size <= 0 || packed_size < 0)
|
|
return null;
|
|
return new GrpMetaData
|
|
{
|
|
Width = width,
|
|
Height = height,
|
|
BPP = bpp,
|
|
PackedSize = packed_size,
|
|
UnpackedSize = unpacked_size,
|
|
Offset = 0xFFFF,
|
|
HeaderSize = 0x28,
|
|
AlphaChannel = header.ToInt32 (0x24) != 0,
|
|
};
|
|
}
|
|
}
|
|
|
|
internal class GrpReader
|
|
{
|
|
GrpMetaData m_info;
|
|
Stream m_input;
|
|
byte[] m_image_data;
|
|
int m_stride;
|
|
|
|
public PixelFormat Format { get; private set; }
|
|
public BitmapPalette Palette { get; private set; }
|
|
public byte[] Pixels { get { return m_image_data; } }
|
|
|
|
public GrpReader (Stream input, GrpMetaData info)
|
|
{
|
|
m_info = info;
|
|
m_input = input;
|
|
if (8 == info.BPP)
|
|
Format = PixelFormats.Indexed8;
|
|
else if (24 == info.BPP)
|
|
Format = PixelFormats.Bgr24;
|
|
else if (32 == info.BPP)
|
|
Format = m_info.AlphaChannel ? PixelFormats.Bgra32 : PixelFormats.Bgr32;
|
|
else
|
|
throw new NotSupportedException ("Not supported GRP image depth");
|
|
m_stride = (int)m_info.Width*((Format.BitsPerPixel+7)/8);
|
|
}
|
|
|
|
public ImageData CreateImage ()
|
|
{
|
|
m_input.Position = m_info.HeaderSize;
|
|
int data_size = m_info.UnpackedSize;
|
|
if (m_info.PackedSize != 0)
|
|
data_size = m_info.PackedSize;
|
|
|
|
if (0x0f0f0f0f == m_info.Offset && 0x18 + data_size == m_input.Length)
|
|
return ReadV2();
|
|
else if (8 == m_info.BPP && 0x418 == m_info.Offset ||
|
|
24 == m_info.BPP && 0x018 == m_info.Offset)
|
|
return ReadV1();
|
|
else if (true) // FIXME
|
|
return ReadV3 (0xFFFF != m_info.Offset);
|
|
else
|
|
throw new InvalidFormatException();
|
|
}
|
|
|
|
private ImageData ReadV1 ()
|
|
{
|
|
if (8 == m_info.BPP)
|
|
{
|
|
var palette_data = new byte[0x400];
|
|
if (palette_data.Length != m_input.Read (palette_data, 0, palette_data.Length))
|
|
throw new InvalidFormatException ("Unexpected end of file");
|
|
SetPalette (palette_data);
|
|
}
|
|
var packed = new byte[m_info.PackedSize];
|
|
if (packed.Length != m_input.Read (packed, 0, packed.Length))
|
|
throw new InvalidFormatException ("Unexpected end of file");
|
|
for (int i = 0; i < packed.Length; ++i)
|
|
packed[i] ^= (byte)i;
|
|
|
|
using (var input = new MemoryStream (packed))
|
|
using (var reader = new LzssReader (input, packed.Length, m_info.UnpackedSize))
|
|
{
|
|
reader.Unpack();
|
|
m_image_data = new byte[m_info.UnpackedSize];
|
|
// flip pixels vertically
|
|
int dst = 0;
|
|
for (int src = m_stride * ((int)m_info.Height-1); src >= 0; src -= m_stride)
|
|
{
|
|
Buffer.BlockCopy (reader.Data, src, m_image_data, dst, m_stride);
|
|
dst += m_stride;
|
|
}
|
|
}
|
|
return ImageData.Create (m_info, Format, Palette, m_image_data);
|
|
}
|
|
|
|
// DOUBLE
|
|
private ImageData ReadV2 ()
|
|
{
|
|
if (0 != m_info.PackedSize)
|
|
{
|
|
using (var reader = new LzssReader (m_input, m_info.PackedSize, m_info.UnpackedSize))
|
|
{
|
|
reader.Unpack();
|
|
m_image_data = reader.Data;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
m_image_data = new byte[m_info.UnpackedSize];
|
|
if (m_image_data.Length != m_input.Read (m_image_data, 0, m_image_data.Length))
|
|
throw new InvalidFormatException ("Unexpected end of file");
|
|
}
|
|
int pixels_offset = 0;
|
|
if (8 == m_info.BPP)
|
|
{
|
|
SetPalette (m_image_data);
|
|
pixels_offset += 0x400;
|
|
}
|
|
|
|
if (0 == pixels_offset)
|
|
return ImageData.Create (m_info, Format, Palette, m_image_data);
|
|
|
|
if (pixels_offset + m_stride*(int)m_info.Height > m_image_data.Length)
|
|
throw new InvalidFormatException();
|
|
unsafe
|
|
{
|
|
fixed (byte* pixels = &m_image_data[pixels_offset])
|
|
{
|
|
var bitmap = BitmapSource.Create ((int)m_info.Width, (int)m_info.Height,
|
|
ImageData.DefaultDpiX, ImageData.DefaultDpiY, Format, Palette,
|
|
(IntPtr)pixels, m_image_data.Length-pixels_offset, m_stride);
|
|
bitmap.Freeze();
|
|
return new ImageData (bitmap, m_info);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Exile ~Blood Royal 2~ : flipped == true
|
|
// Gakuen ~Nerawareta Chitai~ : flipped == false
|
|
private ImageData ReadV3 (bool flipped)
|
|
{
|
|
using (var lzs = new LzssStream (m_input, LzssMode.Decompress, true))
|
|
{
|
|
if (8 == m_info.BPP)
|
|
{
|
|
var palette_data = new byte[0x400];
|
|
if (palette_data.Length != lzs.Read (palette_data, 0, palette_data.Length))
|
|
throw new InvalidFormatException ("Unexpected end of file");
|
|
SetPalette (palette_data);
|
|
}
|
|
m_image_data = new byte[m_stride * (int)m_info.Height];
|
|
if (m_image_data.Length != lzs.Read (m_image_data, 0, m_image_data.Length))
|
|
throw new InvalidFormatException();
|
|
|
|
if (flipped)
|
|
return ImageData.CreateFlipped (m_info, Format, Palette, m_image_data, m_stride);
|
|
else
|
|
return ImageData.Create (m_info, Format, Palette, m_image_data, m_stride);
|
|
}
|
|
}
|
|
|
|
private void SetPalette (byte[] palette_data)
|
|
{
|
|
if (palette_data.Length < 0x400)
|
|
throw new InvalidFormatException();
|
|
|
|
var palette = new Color[0x100];
|
|
for (int i = 0; i < palette.Length; ++i)
|
|
{
|
|
int c = i * 4;
|
|
palette[i] = Color.FromRgb (palette_data[c+2], palette_data[c+1], palette_data[c]);
|
|
}
|
|
Palette = new BitmapPalette (palette);
|
|
}
|
|
}
|
|
}
|