comparison tests/test_linequad.py @ 1:1d09e1dec1d9 upstream

ADD: PyMuPDF v1.26.4: the original sdist. It does not yet contain MuPDF. This normally will be downloaded when building PyMuPDF.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:37:51 +0200
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-1:000000000000 1:1d09e1dec1d9
1 """
2 Check approx. equality of search quads versus quads recovered from
3 text extractions.
4 """
5 import os
6
7 import pymupdf
8
9 scriptdir = os.path.abspath(os.path.dirname(__file__))
10 filename = os.path.join(scriptdir, "resources", "quad-calc-0.pdf")
11
12
13 def test_quadcalc():
14 text = " angle 327" # search for this text
15 doc = pymupdf.open(filename)
16 page = doc[0]
17 # This special page has one block with one line, and
18 # its last span contains the searched text.
19 block = page.get_text("dict", flags=0)["blocks"][0]
20 line = block["lines"][0]
21 # compute quad of last span in line
22 lineq = pymupdf.recover_line_quad(line, spans=line["spans"][-1:])
23
24 # let text search find the text returning quad coordinates
25 rl = page.search_for(text, quads=True)
26 searchq = rl[0]
27 assert abs(searchq.ul - lineq.ul) <= 1e-4
28 assert abs(searchq.ur - lineq.ur) <= 1e-4
29 assert abs(searchq.ll - lineq.ll) <= 1e-4
30 assert abs(searchq.lr - lineq.lr) <= 1e-4