pdfcrop different margin for pages

VIPIN PATEL answered on November 18, 2022 Popularity 8/10 Helpfulness 1/10

answer pdfcrop different margin for pages

pdfcrop different margin for pages

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import re, sys
lines = sys.stdin.readlines()
width = height = 0
# First pass: compute |width| and |height|.
for line in lines:
  m = re.match(r'\\page (\d*) \[([0-9.]*) ([0-9.]*) ([0-9.]*) ([0-9.]*)\](.*)', line, re.DOTALL)
  if m:
    page, xmin, ymin, xmax, ymax, rest = m.groups()
    width = max(width, float(xmax) - float(xmin))
    height = max(height, float(ymax) - float(ymin))
# Second pass: change bounding boxes to have width |width| and height |height|.
for line in lines:
  m = re.match(r'\\page (\d*) \[([0-9.]*) ([0-9.]*) ([0-9.]*) ([0-9.]*)\](.*)', line, re.DOTALL)
  if m:
    page, xmin, ymin, xmax, ymax, rest = m.groups()
    xmin = float(xmin)
    ymin = float(ymin)
    xmax = float(xmax)
    ymax = float(ymax)
    # We want |xmin| and |xmax| such that their difference is |width|
    addx = (width - (xmax - xmin)) / 2.0
    xmin -= addx
    xmax += addx
    # We want |ymin| and |ymax| such that their difference is |height|
    addy = (height - (ymax - ymin)) / 2.0
    ymin -= addy
    ymax += addy
    sys.stdout.write(r'\page %s [%s %s %s %s]%s' % (page, xmin, ymin, xmax, ymax, rest))
  else:
    sys.stdout.write(line)

Popularity 8/10 Helpfulness 1/10 Language whatever

Source: tex.stackexchange.com

Tags: margin whatever

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Contributed on Nov 18 2022

VIPIN PATEL

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pdfcrop different margin for pages

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