public override SKColor GetColor(Color color, double?alfa)
{
IList <PdfDirectObject> alternateColorComponents = TintFunction.Calculate(color.Components);
ColorSpace alternateSpace = AlternateSpace;
return(alternateSpace.GetColor(alternateSpace.GetColor(alternateColorComponents, null), alfa));
}
/**
* <summary>Gets the color corresponding to the specified table index resolved according to
* the <see cref="BaseSpace">base space</see>.<summary>
*/
public Color GetBaseColor(IndexedColor color)
{
int colorIndex = color.Index;
if (!baseColors.TryGetValue(colorIndex, out var baseColor))
{
ColorSpace baseSpace = BaseSpace;
IList <PdfDirectObject> components = new List <PdfDirectObject>();
{
int componentCount = baseSpace.ComponentCount;
int componentValueIndex = colorIndex * componentCount;
byte[] baseComponentValues = BaseComponentValues;
for (int componentIndex = 0; componentIndex < componentCount; componentIndex++)
{
var byteValue = componentValueIndex < baseComponentValues.Length
? baseComponentValues[componentValueIndex]
: 0;
var value = ((int)byteValue & 0xff) / 255d;
components.Add(PdfReal.Get(value));
componentValueIndex++;
}
}
baseColor = baseColors[colorIndex] = baseSpace.GetColor(components, null);
}
return(baseColor);
}
public override Color GetColor(IList <PdfDirectObject> components, IContentContext context)
{
//TODO
Pattern pattern = context.Resources.Patterns[(PdfName)components[components.Count - 1]];
if (pattern is TilingPattern)
{
TilingPattern tilingPattern = (TilingPattern)pattern;
if (tilingPattern.PaintType == TilingPattern.PaintTypeEnum.Uncolored)
{
ColorSpace underlyingColorSpace = UnderlyingColorSpace;
if (underlyingColorSpace == null)
{
throw new ArgumentException("Uncolored tiling patterns not supported by this color space because no underlying color space has been defined.");
}
// Get the color to be used for colorizing the uncolored tiling pattern!
Color color = underlyingColorSpace.GetColor(components, context);
// Colorize the uncolored tiling pattern!
pattern = tilingPattern.Colorize(color);
}
}
return(pattern);
}
public override SKColor GetColor(Color color, double?alfa = null)
{
return(BaseSpace.GetColor(GetBaseColor((IndexedColor)color), alfa));
}
