/** Constructs the palette from a .pal file */
public Palette(String path)
{
try
{
if (System.IO.Path.GetExtension(path) != ".pal")
throw new Exception("palette must be a .pal file.");
String[] lines = System.IO.File.ReadAllLines(path);
if (lines.Length < 3)
throw new Exception("invalid .pal file: Less that 3 lines in length.");
int numberOfColours = int.Parse(lines[2]);
if (lines.Length - 3 < numberOfColours)
throw new Exception("invalid number of colour entries.");
for (int i = 0; i < numberOfColours; ++i)
{
Colour colour = new Colour(lines[i + 3]);
int index = i << 2;
colours[index] = colour.r;
colours[index+1] = colour.g;
colours[index+2] = colour.b;
}
setTransparentColour(0);
upload();
}
catch(Exception e)
{
throw new Exception(String.Format("Error loading palette \"{0}\": {1}", path, e.Message));
}
}
/** Construct the palette from an Imaging.ColorPalette object */
public Palette(System.Drawing.Imaging.ColorPalette p)
{
for (int i = 0; i < p.Entries.Length; ++i)
{
Colour colour = new Colour(p.Entries[i]);
int index = i * 4;
colours[index] = colour.r;
colours[index + 1] = colour.g;
colours[index + 2] = colour.b;
}
setTransparentColour(0);
upload();
}
