def pdf2array(pdffile, res=300):
"""
read pdf file and convert it to numpy array
return list of pages and dimensions
color order is BGR
"""
tname = tmpname() + '.tif'
# Fist 5 pages only
p = Popen([
"gs", "-dQUIET", "-dNOPAUSE", '-dFirstPage=1', '-dLastPage=5',
"-sDEVICE=tiff24nc", '-dBATCH', "-r" + str(res),
"-sOutputFile=" + tname, pdffile
],
stdout=DEVNULL,
stderr=DEVNULL)
p.communicate()
if not os.path.exists(tname):
return None, None
imgfile = TiffFile(tname)
pages = [p.asarray() for p in imgfile.pages]
shapes = [p.shape for p in imgfile.pages]
os.remove(tname)
return pages, shapes
