private static void WriteLinearColorInterpolationFunction(DocumentWriter writer, PdfColor color1, PdfColor color2)
{
const int interpolationFunctionType = 2;
void WriteColorArray(PdfColor color)
{
writer.WriteArrayOpen();
switch (color)
{
case RgbColor rgb:
writer.WriteNumberColor(rgb.R);
writer.WriteNumberColor(rgb.G);
writer.WriteNumberColor(rgb.B);
break;
case CmykColor cmyk:
writer.WriteNumberColor(cmyk.C);
writer.WriteNumberColor(cmyk.M);
writer.WriteNumberColor(cmyk.Y);
writer.WriteNumberColor(cmyk.K);
break;
default:
throw new NotSupportedException();
}
writer.WriteArrayClose();
}
writer.WriteDictionaryOpen();
{
writer.WriteName(NameFunctionTypeBytes);
writer.WriteNumber(interpolationFunctionType);
writer.WriteName(NameNBytes);
writer.WriteNumber1();
WriteDomain0To1NameAndArray(writer);
writer.WriteName(NameC0Bytes);
WriteColorArray(color1);
writer.WriteName(NameC1Bytes);
WriteColorArray(color2);
}
writer.WriteDictionaryClose();
}
public GradientColorStop(PdfColor color, float offset)
{
Color = color ?? throw new ArgumentNullException(nameof(color));
Offset = offset;
}
