# loop through annotations of a page, change their author,
# make them 10% larger and save an image as PNG file
import fitz
doc = fitz.open("some.pdf") # open the PDF
page = doc[n] # access page n (0-based)
annot = page.firstAnnot # get first annotation
matrix = fitz.Matrix(1.1, 1.1) # define matrix for scaling +10%
i = 0 # counter for file idents
# loop through the page's annotations
while annot:
pix = annot.getPixmap(matrix = matrix) # picture map for the annot
pix.writePNG("annot-%s.png" % (str(i),)) # save it as PNG
i += 1 # increase counter
d = annot.info # get annot's info dictionary
d["title"] = "Jorj X. McKie" # set author (= popup title)
annot.setInfo(d) # update info dict in annot
r = annot.rect * matrix # scale annot's rectangle
annot.setRect(r) # store rect back in annot
annot = annot.next # get next annot on page
# update PDF with the changes
doc.saveIncr()
# alternatively, save to a new file:
doc.save("some-updates.pdf")
