Extracted image has right size but looks weird.
- martinajindrova
Owned by martinajindrova
KB-20231201-01
Version
Before XFRX 22.6
Symptoms
Extracted image looks weird or is empty.
Cause
Alpha layer defined in PDF file use inverted values.
Workaround
Use hack which drop flag of alpha layer.
LOCAL m.loPDFR, m.lnError, m.liCount, m.lcFilePDF
LOCAL ARRAY m,laImgs(1)
m.lcFilePDF="some.pdf"
m.loPDFR = Evaluate([xfrx("PDF#READER")])
If loPDFR.openDocument(m.lcFilePDF) < 0
Return ""
Endif
m.lnError = m.loPDFR.ReadDocument()
m.liCount = m.loPDFR.GetListImages(-1, @laImgs)
* drop flag of alpha layer for all images
REPLACE SMASKID WITH 0 FOR SMASKID>0 IN (m.loPDFR.cImages)
m.loPDFR.SaveImages(@laIMGS, m.lcFilePDF+"_pic")
loPDFR.closeDocument()