GARbro-mirror/Legacy/Harvest/ImageUNH.cs
morkt f90e2e851c updated legacy formats.
(BIZ): moved to Adviz folder.
(GIZ, GIZ2, BIZ2, PR1): new PC-98 image formats.
(DATA, BGM, SED): MyHarvest resource formats.
(HTF): compressed image format.
(PAK): Mina resource archives.
(GCmp): read palette from external resource.
(NCG): Nekotaro image format.
(BND, TCZ, TSZ): Ponytail Soft PC-98 formats.
(NOR): Sophia resource archive.
(SDA, PLA): Squadra D resource archives.
(UCA): added checks to avoid false positives.
2023-10-11 19:03:45 +04:00

97 lines
3.5 KiB
C#

//! \file ImageUNH.cs
//! \date 2023 Sep 26
//! \brief MyHarvest image format.
//
// 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;
// [021206][MyHarvest] Idol Mahjong Final Romance 4
namespace GameRes.Formats.MyHarvest
{
[Export(typeof(ImageFormat))]
public class UnhFormat : ImageFormat
{
public override string Tag => "UNH";
public override string Description => "MyHarvest image format";
public override uint Signature => 0x30484E55; // 'UNH0'
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
var header = file.ReadHeader (0x18);
if (header.ToInt32 (4) != 1)
return null;
return new ImageMetaData {
Width = header.ToUInt32 (0x10),
Height = header.ToUInt32 (0x14),
BPP = 16,
};
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
file.Position = 0x44;
var pixels = new ushort[info.iWidth * info.iHeight];
var frame = new ushort[0x1000];
int frame_pos = 0;
int dst = 0;
byte mask = 0;
int ctl = 0;
while (dst < pixels.Length)
{
mask <<= 1;
if (0 == mask)
{
ctl = file.ReadByte();
if (-1 == ctl)
break;
mask = 1;
}
ushort word = file.ReadUInt16();
if ((ctl & mask) == 0)
{
pixels[dst++] = frame[frame_pos++ & 0xFFF] = word;
}
else
{
int offset = word >> 4;
int count = (word & 0xF) + 2;
while (count --> 0)
{
ushort u = frame[offset++ & 0xFFF];
pixels[dst++] = frame[frame_pos++ & 0xFFF] = u;
}
}
}
return ImageData.Create (info, PixelFormats.Bgr565, null, pixels);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("UnhFormat.Write not implemented");
}
}
}