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from pathlib import Path
import pytest
from fpdf import FPDF
from test.conftest import assert_pdf_equal, LOREM_IPSUM
HERE = Path(__file__).resolve().parent
FONTS_DIR = HERE.parent / "fonts"
def test_write_page_break(tmp_path):
doc = FPDF()
doc.add_page()
doc.set_font("helvetica", size=24)
doc.y = 20
doc.write(text=LOREM_IPSUM)
doc.write(text=LOREM_IPSUM)
assert_pdf_equal(doc, HERE / "write_page_break.pdf", tmp_path)
def test_write_soft_hyphen(tmp_path):
"""
The current behaviour is close to CSS word-break: break-all
cf. https://developer.mozilla.org/en-US/docs/Web/CSS/overflow-wrap#comparing_overflow-wrap_word-break_and_hyphens
We used to prefer a line break over a word split without regards to soft hyphens:
https://github.com/py-pdf/fpdf2/blob/2.7.4/test/text/write_soft_hyphen.pdf
But that caused issue with write_html(), cf. issue #847
"""
s = "Donau\u00addamp\u00adfschiff\u00adfahrts\u00adgesellschafts\u00adkapitäns\u00admützen\u00adstreifen. "
doc = FPDF()
doc.add_page()
doc.set_font("helvetica", size=24)
doc.y = 20
doc.write(text=s)
doc.set_font("helvetica", size=24, style="B")
doc.write(text=s)
doc.set_font("helvetica", size=24, style="I")
doc.write(text=s)
doc.set_font("helvetica", size=24)
doc.write(text=s)
doc.set_font("helvetica", size=24, style="B")
doc.write(text=s)
doc.set_font("helvetica", size=24, style="I")
doc.write(text=s)
doc.set_font("helvetica", size=24)
doc.write(text=s)
assert_pdf_equal(doc, HERE / "write_soft_hyphen.pdf", tmp_path)
def test_write_trailing_nl(tmp_path): # issue #455
"""Each item in lines triggers a line break at the end."""
pdf = FPDF()
pdf.add_page()
pdf.set_font("Times", size=16)
lines = ["Hello\n", "Sweet\n", "World\n"]
for line in lines:
pdf.write(text=line)
pdf.write(text="end_mmc")
assert_pdf_equal(pdf, HERE / "write_trailing_nl.pdf", tmp_path)
@pytest.mark.skip(reason="Font related tests are failing with the fonts available in Debian")
def test_write_font_stretching(tmp_path): # issue #478
right_boundary = 60
pdf = FPDF()
pdf.add_page()
# built-in font
pdf.set_font("Helvetica", size=8)
pdf.set_right_margin(pdf.w - right_boundary)
pdf.write(text=LOREM_IPSUM[:100])
pdf.ln()
pdf.ln()
pdf.set_stretching(150)
pdf.write(text=LOREM_IPSUM[:100])
pdf.ln()
pdf.ln()
# unicode font
pdf.set_stretching(100)
pdf.add_font(fname=FONTS_DIR / "DroidSansFallback.ttf")
pdf.set_font("DroidSansFallback", size=8)
pdf.write(text=LOREM_IPSUM[:100])
pdf.ln()
pdf.ln()
pdf.set_stretching(150)
pdf.write(text=LOREM_IPSUM[:100])
# for reference, in lieu of a colored background
pdf.line(pdf.l_margin, 10, pdf.l_margin, 100)
pdf.line(right_boundary, 10, right_boundary, 100)
assert_pdf_equal(pdf, HERE / "write_font_stretching.pdf", tmp_path)
def test_write_superscript(tmp_path):
pdf = FPDF()
pdf.add_page()
pdf.set_font("Helvetica", size=20)
def write_this():
pdf.write(text="2")
pdf.char_vpos = "SUP"
pdf.write(text="56")
pdf.char_vpos = "LINE"
pdf.write(text=" more line text")
pdf.char_vpos = "SUB"
pdf.write(text="(idx)")
pdf.char_vpos = "LINE"
pdf.write(text=" end")
pdf.ln()
pdf.ln()
pdf.write(text="1234 + ")
pdf.char_vpos = "NOM"
pdf.write(text="5")
pdf.char_vpos = "LINE"
pdf.write(text="/")
pdf.char_vpos = "DENOM"
pdf.write(text="16")
pdf.char_vpos = "LINE"
pdf.write(text=" + 987 = x")
pdf.ln()
pdf.ln()
pdf.ln()
write_this()
pdf.sub_scale = 0.5
pdf.sup_scale = 0.5
pdf.nom_scale = 0.5
pdf.denom_scale = 0.5
write_this()
pdf.sub_lift = 0.0
pdf.sup_lift = 0.0
pdf.nom_lift = 0.0
pdf.denom_lift = 0.0
write_this()
pdf.sub_lift = 1.0
pdf.sup_lift = 1.0
pdf.nom_lift = 1.0
pdf.denom_lift = 1.0
write_this()
assert_pdf_equal(pdf, HERE / "write_superscript.pdf", tmp_path)
def test_write_char_wrap(tmp_path): # issue #649
right_boundary = 50
pdf = FPDF()
pdf.add_page()
pdf.set_right_margin(pdf.w - right_boundary)
pdf.set_font("Helvetica", size=10)
pdf.write(text=LOREM_IPSUM[:200])
pdf.ln()
pdf.ln()
pdf.write(text=LOREM_IPSUM[:200], wrapmode="CHAR")
pdf.ln()
pdf.ln()
pdf.set_font("Courier", size=10)
txt = " " + "abcdefghijklmnopqrstuvwxyz" * 3
pdf.write(text=txt)
pdf.ln()
pdf.ln()
pdf.write(text=txt, wrapmode="CHAR")
pdf.line(pdf.l_margin, 10, pdf.l_margin, 130)
pdf.line(right_boundary, 10, right_boundary, 130)
assert_pdf_equal(pdf, HERE / "write_char_wrap.pdf", tmp_path)
def test_write_overflow_no_initial_newline(tmp_path): # issue-847
pdf = FPDF()
pdf.add_page()
pdf.set_font(family="Helvetica", size=20)
pdf.write(7, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX")
assert_pdf_equal(pdf, HERE / "write_overflow_no_initial_newline.pdf", tmp_path)
def test_write_empty():
# Feeding an empty string to write() should not have any effect
# on the internal state of the library.
pdf = FPDF()
pdf.add_page()
pdf.set_font(family="Helvetica", size=20)
x = pdf.x
y = pdf.y
pdf.write(None, "")
assert (
pdf.x == x and pdf.y == y
), f"write('') has changed pdf.x ({pdf.x} from {x}) or pdf.x ({pdf.y} from {y})"
def test_write_deprecated_txt_arg():
pdf = FPDF()
pdf.add_page()
pdf.set_font("Helvetica", size=10)
with pytest.warns(
DeprecationWarning, match='The parameter "txt" has been renamed to "text"'
):
# pylint: disable=unexpected-keyword-arg
pdf.write(txt="Lorem ipsum Ut nostrud irure")
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