public static float[] GetColorArray(BaseColor color)
{
int type = ExtendedColor.GetType(color);
switch (type)
{
case ExtendedColor.TYPE_GRAY:
{
return(new[] { ((GrayColor)color).Gray });
}
case ExtendedColor.TYPE_CMYK:
{
CmykColor cmyk = (CmykColor)color;
return(new[] { cmyk.Cyan, cmyk.Magenta, cmyk.Yellow, cmyk.Black });
}
case ExtendedColor.TYPE_SEPARATION:
{
return(new[] { ((SpotColor)color).Tint });
}
case ExtendedColor.TYPE_RGB:
{
return(new[] { color.R / 255f, color.G / 255f, color.B / 255f });
}
}
ThrowColorSpaceError();
return(null);
}
public override bool Equals(object obj)
{
if (!(obj is CmykColor))
{
return(false);
}
CmykColor c2 = (CmykColor)obj;
return(Cyan.ApproxEquals(c2.Cyan) && Magenta.ApproxEquals(c2.Magenta) && Yellow.ApproxEquals(c2.Yellow) && Black.ApproxEquals(c2.Black));
}
protected internal PdfObject GetSpotObject(PdfWriter writer)
{
PdfArray array = new PdfArray(PdfName.Separation);
array.Add(Name);
PdfFunction func = null;
if (Altcs is ExtendedColor)
{
int type = ((ExtendedColor)Altcs).Type;
switch (type)
{
case ExtendedColor.TYPE_GRAY:
array.Add(PdfName.Devicegray);
func = PdfFunction.Type2(writer, new float[] { 0, 1 }, null, new float[] { 0 }, new[] { ((GrayColor)Altcs).Gray }, 1);
break;
case ExtendedColor.TYPE_CMYK:
array.Add(PdfName.Devicecmyk);
CmykColor cmyk = (CmykColor)Altcs;
func = PdfFunction.Type2(writer, new float[] { 0, 1 }, null, new float[] { 0, 0, 0, 0 },
new[] { cmyk.Cyan, cmyk.Magenta, cmyk.Yellow, cmyk.Black }, 1);
break;
default:
throw new Exception("Only RGB, Gray and CMYK are supported as alternative color spaces.");
}
}
else
{
array.Add(PdfName.Devicergb);
func = PdfFunction.Type2(writer, new float[] { 0, 1 }, null, new float[] { 1, 1, 1 },
new[] { (float)Altcs.R / 255, (float)Altcs.G / 255, (float)Altcs.B / 255 }, 1);
}
array.Add(func.Reference);
return(array);
}
public static PdfArray GetMkColor(BaseColor color)
{
PdfArray array = new PdfArray();
int type = ExtendedColor.GetType(color);
switch (type)
{
case ExtendedColor.TYPE_GRAY:
{
array.Add(new PdfNumber(((GrayColor)color).Gray));
break;
}
case ExtendedColor.TYPE_CMYK:
{
CmykColor cmyk = (CmykColor)color;
array.Add(new PdfNumber(cmyk.Cyan));
array.Add(new PdfNumber(cmyk.Magenta));
array.Add(new PdfNumber(cmyk.Yellow));
array.Add(new PdfNumber(cmyk.Black));
break;
}
case ExtendedColor.TYPE_SEPARATION:
case ExtendedColor.TYPE_PATTERN:
case ExtendedColor.TYPE_SHADING:
throw new Exception("Separations, patterns and shadings are not allowed in MK dictionary.");
default:
array.Add(new PdfNumber(color.R / 255f));
array.Add(new PdfNumber(color.G / 255f));
array.Add(new PdfNumber(color.B / 255f));
break;
}
return(array);
}
