public sBITChunk(byte[] data, PNGImage image)
: base(data, image)
{
IHDRChunk hdr = this.GetAssertIHDRChunk();
switch (hdr.ColorType)
{
case ColorType.Grayscale:
_sb = new SignificantBits(data[4], 0, 0, 0, 0);
break;
case ColorType.Truecolor:
case ColorType.IndexedColor:
_sb = new SignificantBits(0, 0, data[4], data[5], data[6]);
break;
case ColorType.GrayscaleWithAlpha:
_sb = new SignificantBits(data[4], data[5], 0, 0, 0);
break;
case ColorType.TruecolorWithAlpha:
_sb = new SignificantBits(0, data[7], data[4], data[5], data[6]);
break;
default:
throw new InvalidChunkDataException("Invalid color type.");
}
}
public sBITChunk(PNGImage image)
: base("sBIT", image)
{
_sb = new SignificantBits();
}