public Palette Dye(ColorTableEntry colorTableEntry)
{
var dyedPalette = new Palette();
Array.Copy(_colors, dyedPalette._colors, ColorsPerPalette);
for (var i = 0; i < colorTableEntry.ColorCount; ++i)
{
dyedPalette._colors[i + ColorTable.PaletteStartIndex] = colorTableEntry[i];
}
return(dyedPalette);
}
private void Init(Stream stream)
{
_entries = new Dictionary <int, ColorTableEntry>();
_entriesReadOnly = new ReadOnlyDictionary <int, ColorTableEntry>(_entries);
using (var reader = new StreamReader(stream, Encoding.UTF8, true, 1024, true))
{
if (!int.TryParse(reader.ReadLine(), out _colorsPerEntry))
{
return;
}
while (!reader.EndOfStream && int.TryParse(reader.ReadLine(), out int colorNumber))
{
var colors = new Color[_colorsPerEntry];
for (var i = 0; i < _colorsPerEntry && !reader.EndOfStream; ++i)
{
var line = reader.ReadLine();
if (line != null)
{
var values = line.Split(',');
if (values.Length != 3 || !int.TryParse(values[0], out int r) || !int.TryParse(values[1], out int g) || !int.TryParse(values[2], out int b))
{
return;
}
colors[i] = Color.FromArgb(r % 256, g % 256, b % 256);
}
else
{
colors[i] = Color.FromArgb(0, 0, 0, 0);
}
}
_entries[colorNumber] = new ColorTableEntry(colors);
}
}
}
public bool TryGetEntry(int colorNumber, out ColorTableEntry entry) => _entries.TryGetValue(colorNumber, out entry);