mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-19 01:14:13 +08:00
280 lines
10 KiB
C#
280 lines
10 KiB
C#
//! \file ImageCandy.cs
|
|
//! \date 2018 Aug 24
|
|
//! \brief Candy Soft image format.
|
|
//
|
|
// 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;
|
|
using System.ComponentModel.Composition;
|
|
using System.IO;
|
|
using System.Windows.Media;
|
|
using System.Windows.Media.Imaging;
|
|
using GameRes.Utility;
|
|
|
|
namespace GameRes.Formats.Interheart
|
|
{
|
|
internal class CandyMetaData : ImageMetaData
|
|
{
|
|
public int Colors;
|
|
public int HeaderSize;
|
|
public int Version;
|
|
}
|
|
|
|
[Export(typeof(ImageFormat))]
|
|
public class CandyFormat : ImageFormat
|
|
{
|
|
public override string Tag { get { return "EPF"; } }
|
|
public override string Description { get { return "Candy Soft image format"; } }
|
|
public override uint Signature { get { return 0; } }
|
|
|
|
public CandyFormat ()
|
|
{
|
|
Signatures = new uint[] { 0x0E00, 0x80020A00, 0 };
|
|
}
|
|
|
|
public override ImageMetaData ReadMetaData (IBinaryStream file)
|
|
{
|
|
var header = file.ReadHeader (14);
|
|
int header_size = BigEndian.ToUInt16 (header, 0);
|
|
CandyMetaData info;
|
|
if (14 == header_size)
|
|
{
|
|
info = new CandyMetaData {
|
|
OffsetX = BigEndian.ToInt16 (header, 2),
|
|
OffsetY = BigEndian.ToInt16 (header, 4),
|
|
Width = BigEndian.ToUInt16 (header, 6),
|
|
Height = BigEndian.ToUInt16 (header, 8),
|
|
BPP = header[0xA],
|
|
Colors = BigEndian.ToUInt16 (header, 0xC),
|
|
Version = header[0xB],
|
|
HeaderSize = header_size,
|
|
};
|
|
}
|
|
else if (10 == header_size)
|
|
{
|
|
info = new CandyMetaData {
|
|
Width = BigEndian.ToUInt16 (header, 2),
|
|
Height = BigEndian.ToUInt16 (header, 4),
|
|
BPP = header[6],
|
|
Colors = BigEndian.ToUInt16 (header, 8),
|
|
Version = header[7],
|
|
HeaderSize = header_size,
|
|
};
|
|
}
|
|
else
|
|
return null;
|
|
if (info.Version != 1 && info.Version != 2 || info.BPP < 1 || info.BPP > 32)
|
|
return null;
|
|
return info;
|
|
}
|
|
|
|
public override ImageData Read (IBinaryStream file, ImageMetaData info)
|
|
{
|
|
var reader = new CandyDecoder (file, (CandyMetaData)info);
|
|
var pixels = reader.Unpack();
|
|
return ImageData.Create (info, reader.Format, reader.Palette, pixels, reader.Stride);
|
|
}
|
|
|
|
public override void Write (Stream file, ImageData image)
|
|
{
|
|
throw new System.NotImplementedException ("CandyFormat.Write not implemented");
|
|
}
|
|
}
|
|
|
|
internal class CandyDecoder
|
|
{
|
|
IBinaryStream m_input;
|
|
CandyMetaData m_info;
|
|
byte[] m_output;
|
|
int m_width;
|
|
int m_height;
|
|
int m_stride;
|
|
int m_colors;
|
|
int m_pixel_size;
|
|
|
|
public PixelFormat Format { get; private set; }
|
|
public BitmapPalette Palette { get; private set; }
|
|
public int Stride { get { return m_stride; } }
|
|
|
|
public CandyDecoder (IBinaryStream input, CandyMetaData info)
|
|
{
|
|
m_input = input;
|
|
m_info = info;
|
|
m_width = (int)info.Width;
|
|
m_height = (int)info.Height;
|
|
m_colors = info.Colors;
|
|
if (24 == info.BPP || (32 == info.BPP && 1 == info.Version))
|
|
{
|
|
m_pixel_size = 3;
|
|
m_stride = m_width * 3;
|
|
Format = PixelFormats.Bgr24;
|
|
}
|
|
else if (32 == info.BPP)
|
|
{
|
|
m_pixel_size = 4;
|
|
m_stride = m_width * 4;
|
|
Format = PixelFormats.Bgra32;
|
|
}
|
|
else if (1 == info.BPP)
|
|
{
|
|
m_pixel_size = 1;
|
|
m_stride = (m_width + 7) / 8;
|
|
Format = PixelFormats.Indexed1;
|
|
}
|
|
else
|
|
{
|
|
m_pixel_size = 1;
|
|
m_stride = m_width;
|
|
Format = PixelFormats.Indexed8;
|
|
}
|
|
m_output = new byte[m_stride * m_height];
|
|
}
|
|
|
|
public byte[] Unpack ()
|
|
{
|
|
m_input.Position = m_info.HeaderSize;
|
|
if (m_colors > 0)
|
|
Palette = ReadPalette();
|
|
LzUnpack();
|
|
if (1 == m_info.BPP)
|
|
return m_output;
|
|
return RestorePixels();
|
|
}
|
|
|
|
byte[] RestorePixels ()
|
|
{
|
|
var pixels = new byte[m_output.Length];
|
|
int src = 0;
|
|
int block_size = m_info.BPP == 8 ? 144 : 80;
|
|
for (int block_y = 0; block_y < m_height; block_y += block_size)
|
|
for (int block_x = 0; block_x < m_width; block_x += block_size)
|
|
{
|
|
int dst_col = block_y * m_stride + block_x * m_pixel_size;
|
|
int block_height = Math.Min (block_size, m_height - block_y);
|
|
int block_width = Math.Min (block_size, m_width - block_x);
|
|
for (int x = 0; x < block_width; ++x)
|
|
{
|
|
int dst = dst_col;
|
|
for (int y = 0; y < block_height; ++y)
|
|
{
|
|
if (m_pixel_size > 3)
|
|
{
|
|
pixels[dst+3] = m_output[src ];
|
|
pixels[dst+2] = m_output[src+1];
|
|
pixels[dst+1] = m_output[src+2];
|
|
pixels[dst ] = m_output[src+3];
|
|
}
|
|
else if (1 == m_pixel_size)
|
|
{
|
|
pixels[dst] = m_output[src];
|
|
}
|
|
else
|
|
{
|
|
pixels[dst+2] = m_output[src ];
|
|
pixels[dst+1] = m_output[src+1];
|
|
pixels[dst ] = m_output[src+2];
|
|
}
|
|
dst += m_stride;
|
|
src += m_pixel_size;
|
|
}
|
|
dst_col += m_pixel_size;
|
|
}
|
|
}
|
|
return pixels;
|
|
}
|
|
|
|
void LzUnpack ()
|
|
{
|
|
var bits = new byte[16];
|
|
var frame = new byte[0x1000];
|
|
int frame_pos = 0;
|
|
int dst = 0;
|
|
while (dst < m_output.Length)
|
|
{
|
|
int ctl = m_input.ReadByte();
|
|
if (-1 == ctl)
|
|
break;
|
|
bits[0] = (byte)(ctl & 1);
|
|
bits[1] = 1;
|
|
int count = 0;
|
|
for (int i = 1; i < 8; ++i)
|
|
{
|
|
ctl >>= 1;
|
|
if (bits[2*count] == (ctl & 1))
|
|
{
|
|
++bits[2*count + 1];
|
|
}
|
|
else
|
|
{
|
|
++count;
|
|
bits[2*count] = (byte)(ctl & 1);
|
|
bits[2*count + 1] = 1;
|
|
}
|
|
}
|
|
for (int i = 0; i <= count && dst < m_output.Length; ++i)
|
|
{
|
|
int bpos = 2*i;
|
|
if (bits[bpos++] != 0)
|
|
{
|
|
while (bits[bpos] > 0)
|
|
{
|
|
byte b = m_input.ReadUInt8();
|
|
m_output[dst++] = frame[frame_pos++ & 0xFFF] = b;
|
|
--bits[bpos];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
while (bits[bpos] > 0 && dst < m_output.Length)
|
|
{
|
|
int offset = m_input.ReadUInt16();
|
|
int zcount = Math.Min ((offset & 0xF) + 3, m_output.Length - dst);
|
|
offset >>= 4;
|
|
for (int j = 0; j < zcount; ++j)
|
|
{
|
|
byte b = frame[offset++ & 0xFFF];
|
|
m_output[dst++] = frame[frame_pos++ & 0xFFF] = b;
|
|
}
|
|
--bits[bpos];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
BitmapPalette ReadPalette ()
|
|
{
|
|
var palette_data = new byte[4 * m_colors];
|
|
if (palette_data.Length != m_input.Read (palette_data, 0, palette_data.Length))
|
|
throw new EndOfStreamException();
|
|
int src = 0;
|
|
var color_map = new Color[m_colors];
|
|
for (int i = 0; i < m_colors; ++i)
|
|
{
|
|
color_map[i] = Color.FromRgb (palette_data[src+1], palette_data[src+2], palette_data[src+3]);
|
|
src += 4;
|
|
}
|
|
return new BitmapPalette (color_map);
|
|
}
|
|
}
|
|
}
|