public override void EncodeImage(Stream stream, Bitmap image, Stream data, int type)
{
EndianReader writer = new EndianReader(stream, Endianness.BigEndian);
List <Color> palette = new List <Color>();
for (int y = 0; y < image.Height; y++)
{
for (int x = 0; x < image.Width; x++)
{
Color colour = image.GetPixel(x, y);
if (!palette.Contains(colour))
{
palette.Add(colour);
}
}
}
if (palette.Count > 0x10)
{
throw new FormatException("Image palette does not fit in encoding.");
}
EndianReader datareader = new EndianReader(data, Endianness.BigEndian);
for (int i = 0; i < palette.Count; i++)
{
datareader.Write(CI8.WritePaletteColour(palette[i], type));
}
datareader.PadTo(0x40);
for (int y = 0; y < image.Height; y += 8)
{
for (int x = 0; x < image.Width; x += 8)
{
for (int y1 = 0; y1 < 8; y1++)
{
int ypixel = y + y1;
for (int x1 = 0; x1 < 8; x1 += 2)
{
byte pixel = 0;
for (int x2 = 0; x2 < 2; x2++)
{
int xpixel = x + x1 + x2;
if (ypixel < image.Height && xpixel < image.Width)
{
pixel |= (byte)(palette.IndexOf(image.GetPixel(xpixel, ypixel)) << (4 * (1 - x2)));
}
}
writer.Write(pixel);
}
}
}
}
}
public override Bitmap DecodeImage(Stream stream, uint width, uint height, Stream data, int type)
{
Bitmap image = new Bitmap((int)width, (int)height);
EndianReader reader = new EndianReader(stream, Endianness.BigEndian);
EndianReader datareader = new EndianReader(data, Endianness.BigEndian);
List <Color> palette = new List <Color>();
try {
for (int i = 0; i < 0x10; i++)
{
palette.Add(CI8.ReadPaletteColour(datareader.ReadUInt16(), type));
}
} catch { } // We can't be sure of the palette size thanks to this f*****g format.
for (int y = 0; y < height; y += 8)
{
for (int x = 0; x < width; x += 8)
{
for (int y1 = 0; y1 < 8; y1++)
{
int ypixel = y + y1;
for (int x1 = 0; x1 < 8; x1 += 2)
{
byte pixel = reader.ReadByte();
for (int x2 = 0; x2 < 2; x2++)
{
int xpixel = x + x1 + x2;
if (ypixel < height && xpixel < width)
{
image.SetPixel(xpixel, ypixel, palette[(pixel >> (4 * (1 - x2))) & 0x0F]);
}
}
}
}
}
}
return(image);
}
public override Bitmap DecodeImage(Stream stream, uint width, uint height, Stream data, int type)
{
Bitmap image = new Bitmap((int)width, (int)height);
EndianReader reader = new EndianReader(stream, Endianness.BigEndian);
EndianReader datareader = new EndianReader(data, Endianness.BigEndian);
List <Color> palette = new List <Color>();
try {
for (int i = 0; i < 0x4000; i++)
{
palette.Add(CI8.ReadPaletteColour(datareader.ReadUInt16(), type));
}
} catch { } // We can't be sure of the palette size thanks to this f*****g format.
for (int y = 0; y < height; y += 4)
{
for (int x = 0; x < width; x += 4)
{
for (int y1 = 0; y1 < 4; y1++)
{
for (int x1 = 0; x1 < 4; x1++)
{
ushort pixel = reader.ReadUInt16();
int pixelx = x + x1;
int pixely = y + y1;
if (pixelx < width && pixely < height)
{
image.SetPixel(pixelx, pixely, palette[pixel & 0x3FFF]);
}
}
}
}
}
return(image);
}