public static NCLR_s BitmapToPalette(string bitmap, int paletteIndex = 0)
{
NCLR_s _s = new NCLR_s();
BinaryReader reader = new BinaryReader(File.OpenRead(bitmap));
if (new string(reader.ReadChars(2)) != "BM")
{
_s.header.id = "RLCN".ToCharArray();
}
_s.header.endianess = 0xfeff;
_s.header.constant = 0x100;
_s.header.header_size = 0x10;
_s.header.nSection = 1;
reader.BaseStream.Position = 0x1cL;
ushort num = reader.ReadUInt16();
if (num == 4)
{
_s.pltt.depth = ColorDepth.Depth4Bit;
}
else if (num == 8)
{
_s.pltt.depth = ColorDepth.Depth8Bit;
}
else
{
Stream stream1 = reader.BaseStream;
stream1.Position += 0x10L;
}
_s.pltt.nColors = reader.ReadUInt32();
if (_s.pltt.nColors == 0)
{
_s.pltt.nColors = (uint)((num == 4) ? 0x10 : 0x100);
}
Stream baseStream = reader.BaseStream;
baseStream.Position += 4L;
_s.pltt.palettes = new NTFP[paletteIndex + 1];
_s.pltt.palettes[paletteIndex].colors = new Color[_s.pltt.nColors];
for (int i = 0; i < _s.pltt.nColors; i++)
{
byte[] buffer = reader.ReadBytes(4);
_s.pltt.palettes[paletteIndex].colors[i] = Color.FromArgb(buffer[2], buffer[1], buffer[0]);
}
byte[] bytes = Convertir.ColorToBGR555(_s.pltt.palettes[paletteIndex].colors);
_s.pltt.palettes[paletteIndex].colors = Convertir.BGR555(bytes);
_s.pltt.ID = "TTLP".ToCharArray();
_s.pltt.paletteLength = _s.pltt.nColors * 2;
_s.pltt.unknown1 = 0;
_s.pltt.length = _s.pltt.paletteLength + 0x18;
_s.header.file_size = _s.pltt.length + _s.header.header_size;
reader.Close();
return(_s);
}
public static void Escribir(NCLR_s paleta, string fileout)
{
BinaryWriter writer = new BinaryWriter(File.OpenWrite(fileout));
writer.Write(paleta.header.id);
writer.Write(paleta.header.endianess);
writer.Write(paleta.header.constant);
writer.Write(paleta.header.file_size);
writer.Write(paleta.header.header_size);
writer.Write(paleta.header.nSection);
writer.Write(paleta.pltt.ID);
writer.Write(paleta.pltt.length);
writer.Write((paleta.pltt.depth == ColorDepth.Depth4Bit) ? ((ushort)3) : ((ushort)4));
writer.Write((ushort)0);
writer.Write((uint)0);
writer.Write(paleta.pltt.paletteLength);
writer.Write(0x10);
for (int i = 0; i < paleta.pltt.palettes.Length; i++)
{
writer.Write(Convertir.ColorToBGR555(paleta.pltt.palettes[i].colors));
}
writer.Flush();
writer.Close();
}
