getImageDecodeRange
Get the decode range for an image color component.
getImageDecodeRange([in] int idx, [in] int component,
[out] double *low, [out] double *high)
This function returns the component decode range (which is most
commonly 0..1 or 1..0, but can be completely different) for
the
idx
th image on the page specified in the
last call to getImages
.
VB:
Dim low As Double, high As Double
pdf.getImages(1)
nImgs = pdf.numImages
For i = 0 To nImgs-1
nComps = pdf.getImageNumComponents(i)
' image i has nComps components
For j = 0 To nComps-1
pdf.getImageDecodeRange(i, j, low, high)
' image i, component j has range low .. high
....
Next j
Next i