/// <summary>
/// Reads the specified number of BGR555 colors from the stream and advances the position by twice that many bytes.
/// </summary>
/// <param name="colors">The number of expected colors in the palette.</param>
/// <returns></returns>
/// <exception cref="ArgumentOutOfRangeException">colors was not 16 or 256.</exception>
public Palette ReadPalette(int colors = 16)
{
var pal = new Palette(new GbaColor(), colors);
for (int i = 0; i < colors; i++)
{
pal[i] = new GbaColor(ReadColor());
}
return(pal);
}
public void WriteCompressedPalette(Palette palette)
{
// buffer to hold uncompressed color data
byte[] buffer = new byte[palette.Length * 2];
// copy colors to buffer
for (int i = 0; i < palette.Length; i++)
{
GbaColor color = palette[i];
ushort u = (ushort)((color.RgbColor.R / 8) | (color.RgbColor.G / 8 << 5) | (color.RgbColor.B / 3 << 10));
buffer[i * 2] = (byte)u;
buffer[i * 2 + 1] = (byte)(u >> 8);
}
// write compressed bytes
WriteCompressedBytes(buffer);
}
