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added some PC-98 formats.

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(AyPio): DLB archivesand PDT images.
(Tiare): GRA images.
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morkt
2023-10-14 23:32:52 +04:00
parent 74f8754be9
commit b004a24c0e
4 changed files with 637 additions and 0 deletions
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204
Legacy/AyPio/ImagePDT.cs Normal file
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//! \file ImagePDT.cs
//! \date 2023 Oct 13
//! \brief AyPio image format (PC-98).
//
// Copyright (C) 2023 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 System.Windows.Media.Imaging;
// [960726][AyPio] Chuushaki
// [970314][AyPio] Stars
namespace GameRes.Formats.AyPio
{
internal class PdtMetaData : ImageMetaData
{
public byte Rle1;
public byte Rle2;
}
[Export(typeof(ImageFormat))]
public class PdtFormat : ImageFormat
{
public override string Tag => "PDT/UK2";
public override string Description => "UK2 engine image format";
public override uint Signature => 0;
public PdtFormat ()
{
Extensions = new[] { "pdt", "anm" };
}
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
if (file.ReadByte() != 0x34)
return null;
file.Position = 0x21;
byte rle1 = file.ReadUInt8();
byte rle2 = file.ReadUInt8();
int left = file.ReadUInt16();
int top = file.ReadUInt16();
int right = file.ReadUInt16();
int bottom = file.ReadUInt16();
int width = (right - left + 1) << 3;
int height = (((bottom - top) >> 1) + 1) << 1;
if (width <= 0 || height <= 0 || width > 2048 || height > 512)
return null;
return new PdtMetaData {
Width = (uint)width,
Height = (uint)height,
OffsetX = left << 3,
OffsetY = top,
BPP = 4,
Rle1 = rle1,
Rle2 = rle2,
};
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
var reader = new PdtReader (file, (PdtMetaData)info);
return reader.Unpack();
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("PdtFormat.Write not implemented");
}
}
internal class PdtReader
{
IBinaryStream m_input;
PdtMetaData m_info;
public PdtReader (IBinaryStream input, PdtMetaData info)
{
m_input = input;
m_info = info;
}
int m_stride;
int m_rows;
public ImageData Unpack ()
{
m_input.Position = 1;
var palette = ReadPalette();
m_input.Position = 0x2B;
int output_stride = m_info.iWidth >> 1;
int height = m_info.iHeight;
m_stride = m_info.iWidth >> 3;
m_rows = height >> 1;
int plane_size = m_stride * height;
var planes = new byte[][] {
new byte[plane_size], new byte[plane_size], new byte[plane_size], new byte[plane_size]
};
for (int i = 0; i < 4; ++i)
UnpackPlane (planes[i]);
var pixels = new byte[output_stride * height];
FlattenPlanes (planes, pixels);
return ImageData.Create (m_info, PixelFormats.Indexed4, palette, pixels, output_stride);
}
void UnpackPlane (byte[] output)
{
for (int x = 0; x < m_stride; ++x)
{
int dst = x;
int y = 0;
while (y < m_rows)
{
int count = 1;
byte p0, p1;
byte ctl = m_input.ReadUInt8();
if (ctl == m_info.Rle1)
{
count = m_input.ReadUInt8();
p0 = m_input.ReadUInt8();
p1 = m_input.ReadUInt8();
}
else if (ctl == m_info.Rle2)
{
count = m_input.ReadUInt8();
p1 = p0 = m_input.ReadUInt8();
}
else
{
p0 = ctl;
p1 = m_input.ReadUInt8();
}
while (count --> 0)
{
output[dst] = p0;
dst += m_stride;
output[dst] = p1;
dst += m_stride;
++y;
}
}
}
}
void FlattenPlanes (byte[][] planes, byte[] output)
{
int plane_size = planes[0].Length;
int dst = 0;
for (int src = 0; src < plane_size; ++src)
{
int b0 = planes[0][src];
int b1 = planes[1][src];
int b2 = planes[2][src];
int b3 = planes[3][src];
for (int j = 0; j < 8; j += 2)
{
byte px = (byte)((((b0 << j) & 0x80) >> 3)
| (((b1 << j) & 0x80) >> 2)
| (((b2 << j) & 0x80) >> 1)
| (((b3 << j) & 0x80) ));
px |= (byte)((((b0 << j) & 0x40) >> 6)
| (((b1 << j) & 0x40) >> 5)
| (((b2 << j) & 0x40) >> 4)
| (((b3 << j) & 0x40) >> 3));
output[dst++] = px;
}
}
}
BitmapPalette ReadPalette ()
{
var colors = new Color[16];
for (int i = 0; i < 16; ++i)
{
ushort rgb = m_input.ReadUInt16();
int b = (rgb & 0xF) * 0x11;
int r = ((rgb >> 4) & 0xF) * 0x11;
int g = ((rgb >> 8) & 0xF) * 0x11;
colors[i] = Color.FromRgb ((byte)r, (byte)g, (byte)b);
}
return new BitmapPalette (colors);
}
}
}