getNumCustomColors
Get the number of custom (spot) colors.
getNumCustomColors([out, retval] int *n)
This function returns the number of custom colors (a.k.a. spot colors)
used on the pages specified in the last call to
analyzePages.
The getCustomColorName and getCustomColorCMYK functions
provide descriptions of the custom colors.
The getNumCustomColorObjects function returns the number of
objects drawn in each custom color.
VB:
' analyze page 1
pdf.analyzePages(1, 1)
nColors = pdf.getNumCustomColors()
For i = 0 To nColors - 1
name = pdf.getCustomColorName(i)
cmyk = pdf.getCustomColorCMYK(i)
nObjects = pdf.getNumCustomColorObjects(i)
MsgBox(count & " nObjects drawn in the " & name & " custom color = CMYK " & Hex(cmyk))
Next i