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(Legacy): PMG images.

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morkt 2018-09-27 18:28:13 +04:00
parent a1e6cb9781
commit 1878ba1afd
2 changed files with 181 additions and 0 deletions
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1
Legacy/Acme/ImageARD.cs
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@ -27,6 +27,7 @@ using System.ComponentModel.Composition;
using System.IO;
using System.Windows.Media;
// [031212][Acme] Hageshiku Botebara! Senpai, Watashi no Ko, Mitomete Kudasai!!
// [050325][Acme] Project Sex Shuudan Ninshin ~Athlete o Haramasero!~
namespace GameRes.Formats.Acme

180
Legacy/Acme/ImagePMG.cs Normal file
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@ -0,0 +1,180 @@
//! \file ImagePMG.cs
//! \date 2018 Sep 23
//! \brief Acme 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;
namespace GameRes.Formats.Image
{
[Export(typeof(ImageFormat))]
public class PmgFormat : ImageFormat
{
public override string Tag { get { return "PMG"; } }
public override string Description { get { return "Acme image format"; } }
public override uint Signature { get { return 0xA0; } }
public PmgFormat ()
{
Signatures = new uint[] { 0xA0, 0 };
}
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
uint width = file.Signature;
if (width <= 0 || width > 0x800)
return null;
var header = file.ReadHeader (0x14);
int bits = header.ToInt32 (8);
int code_size = header.ToInt32 (12);
int data_size = header.ToInt32 (16);
if (bits <= 0 || code_size <= bits || data_size <= 0
|| code_size + data_size > file.Length)
return null;
file.Position = 0x14 + code_size + data_size;
if (file.ReadUInt32() != width)
return null;
return new ImageMetaData {
Width = width * 4,
Height = header.ToUInt32 (4),
BPP = 24,
};
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
var reader = new PmgReader (file, info);
var pixels = reader.Unpack();
return ImageData.Create (info, reader.Format, null, pixels);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("PmgFormat.Write not implemented");
}
}
internal class PmgReader
{
IBinaryStream m_input;
int m_width;
int m_height;
public PixelFormat Format { get { return PixelFormats.Bgr24; } }
public PmgReader (IBinaryStream input, ImageMetaData info)
{
m_input = input;
m_width = (int)info.Width;
m_height = (int)info.Height;
}
byte[] m_line_buf = new byte[0x800];
byte m_bit_mask;
public Array Unpack ()
{
int plane_size = m_width * m_height;
var planes = new ushort[3 * plane_size / 2];
int bsrc = 0;
int gsrc = plane_size / 2;
int rsrc = plane_size;
m_input.Position = 0;
m_bit_mask = 0x80;
ReadPlane (planes, bsrc);
ReadPlane (planes, gsrc);
ReadPlane (planes, rsrc);
var pixels = new byte[3 * plane_size];
int dst = 0;
while (dst < pixels.Length)
{
var b = planes[bsrc++];
var g = planes[gsrc++];
var r = planes[rsrc++];
pixels[dst++] = (byte)b;
pixels[dst++] = (byte)g;
pixels[dst++] = (byte)r;
pixels[dst++] = (byte)(b >> 8);
pixels[dst++] = (byte)(g >> 8);
pixels[dst++] = (byte)(r >> 8);
}
return pixels;
}
void ReadPlane (ushort[] output, int dst)
{
int blocks = m_input.ReadInt32();
m_input.ReadInt32(); // height
int bits_size = m_input.ReadInt32();
int code_size = m_input.ReadInt32();
int data_size = m_input.ReadInt32();
var code = m_input.ReadBytes (code_size);
var end_pos = m_input.Position + data_size;
int bit_src = 0;
int code_src = bits_size;
for (int j = 0; j < m_line_buf.Length; ++j)
m_line_buf[j] = 0;
for (int y = 0; y < m_height; ++y)
for (int x = 0; x < blocks; ++x)
{
if ((code[bit_src] & m_bit_mask) != 0)
{
m_line_buf[x] ^= code[code_src++];
}
m_bit_mask >>= 1;
if (0 == m_bit_mask)
{
m_bit_mask = 0x80;
++bit_src;
}
output[dst] = DecodePixel (m_line_buf[x] >> 4, output, dst);
++dst;
output[dst] = DecodePixel (m_line_buf[x] & 0xF, output, dst);
++dst;
}
m_input.Position = end_pos;
}
ushort DecodePixel (int cmd, ushort[] output, int dst)
{
if (cmd != 0)
{
int offset = OffsetMap[cmd + 16] + m_width * OffsetMap[cmd];
return output[dst - (offset >> 1)];
}
else
{
return m_input.ReadUInt16();
}
}
static readonly byte[] OffsetMap = {
0, 0, 0, 0, 1, 1, 2, 2, 2, 4, 4, 4, 8, 8, 8, 16, 0, 2, 4, 8, 0, 2, 0, 2, 4, 0, 2, 4, 0, 2, 4, 0
};
}
}