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import pytest
from os import devnull
from pathlib import Path
from fpdf import FPDF
from fpdf.enums import XPos, YPos
from fpdf.errors import FPDFException
from test.conftest import assert_pdf_equal
HERE = Path(__file__).resolve().parent
@pytest.mark.skip(reason="Font related tests are failing with the fonts available in Debian")
def test_fallback_font(tmp_path):
pdf = FPDF()
pdf.add_page()
pdf.add_font(family="Roboto", fname=HERE / "Roboto-Regular.ttf")
pdf.add_font(family="Roboto", style="B", fname=HERE / "Roboto-Bold.ttf")
pdf.add_font(family="DejaVuSans", fname=HERE / "DejaVuSans.ttf")
pdf.set_font("Roboto", size=15)
pdf.write(text="WITHOUT FALLBACK FONT:\n")
write_strings(pdf)
pdf.ln(10)
pdf.write(text="WITH FALLBACK FONT:\n")
pdf.set_fallback_fonts(["DejaVuSans"])
write_strings(pdf)
assert_pdf_equal(
pdf,
HERE / "fallback_font.pdf",
tmp_path,
)
def write_strings(pdf):
pdf.write(text="write() ๐ ๐ ๐ ๐
โ")
pdf.ln()
pdf.cell(
text="cell() without markdown ๐ ๐**bold** ๐ ๐
โ",
new_x=XPos.LMARGIN,
new_y=YPos.NEXT,
)
pdf.cell(
text="cell() with markdown ๐ ๐**bold** ๐ ๐
โ",
markdown=True,
new_x=XPos.LMARGIN,
new_y=YPos.NEXT,
)
pdf.multi_cell(
text="multi_cell() ๐ ๐ ๐ ๐
โ",
w=50,
new_x=XPos.LMARGIN,
new_y=YPos.NEXT,
)
def test_fallback_font_no_warning(caplog):
pdf = FPDF()
pdf.add_page()
pdf.add_font(family="Roboto", fname=HERE / "Roboto-Regular.ttf")
pdf.add_font(family="Roboto", style="B", fname=HERE / "Roboto-Bold.ttf")
pdf.add_font(family="DejaVuSans", fname=HERE / "DejaVuSans.ttf")
pdf.set_font("Roboto", size=15)
pdf.set_fallback_fonts(["DejaVuSans"])
write_strings(pdf)
pdf.output()
assert len(caplog.text) == 0
@pytest.mark.skip(reason="Font related tests are failing with the fonts available in Debian")
def test_fallback_font_ignore_style(tmp_path):
pdf = FPDF()
pdf.add_page()
pdf.add_font(family="Roboto", fname=HERE / "Roboto-Regular.ttf")
pdf.add_font(family="Roboto", style="B", fname=HERE / "Roboto-Bold.ttf")
pdf.add_font(family="DejaVuSans", fname=HERE / "DejaVuSans.ttf")
pdf.set_font("Roboto", size=20)
pdf.set_fallback_fonts(["DejaVuSans"], exact_match=True)
pdf.cell(
text="cell() with markdown + exact_match=True: **[๐ ๐]** ๐ ๐
โ",
markdown=True,
new_x=XPos.LMARGIN,
new_y=YPos.NEXT,
)
pdf.ln()
pdf.set_fallback_fonts(["DejaVuSans"], exact_match=False)
pdf.cell(
text="cell() with markdown + exact_match=False: **[๐ ๐]** ๐ ๐
โ",
markdown=True,
new_x=XPos.LMARGIN,
new_y=YPos.NEXT,
)
pdf.ln()
pdf.add_font(family="DejaVuSans", style="B", fname=HERE / "DejaVuSans-Bold.ttf")
pdf.cell(
text="cell() with markdown + matching font style: **[๐ ๐]** ๐ ๐
โ",
markdown=True,
new_x=XPos.LMARGIN,
new_y=YPos.NEXT,
)
pdf.ln()
pdf.add_font(family="Roboto", style="I", fname=HERE / "Roboto-Italic.ttf")
pdf.add_font(family="Roboto", style="BI", fname=HERE / "Roboto-BoldItalic.TTF")
pdf.add_font(family="DejaVuSans", style="I", fname=HERE / "DejaVuSans-Oblique.ttf")
pdf.add_font(
family="DejaVuSans", style="IB", fname=HERE / "DejaVuSans-BoldOblique.ttf"
)
pdf.cell(
text="cell() with markdown + bold-italics: __{**[๐ ๐]** ๐ ๐
}__ โ",
markdown=True,
new_x=XPos.LMARGIN,
new_y=YPos.NEXT,
)
pdf.ln()
assert_pdf_equal(
pdf,
HERE / "fallback_font_ignore_style.pdf",
tmp_path,
)
@pytest.mark.skip(reason="Font related tests are failing with the fonts available in Debian")
def test_fallback_font_with_overridden_get_fallback_font(tmp_path):
class PDF(FPDF):
def get_fallback_font(self, char, style=""):
fonts_with_char = [
font_id
for font_id in self._fallback_font_ids
if ord(char) in self.fonts[font_id].cmap
]
if not fonts_with_char:
return None
if len(fonts_with_char) == 1:
return fonts_with_char[0]
if self.font_family == "quicksand" and "dejavusans" in fonts_with_char:
return "dejavusans"
if self.font_family == "roboto" and "twitteremoji" in fonts_with_char:
return "twitteremoji"
raise NotImplementedError
pdf = PDF()
pdf.add_page()
pdf.add_font(family="Quicksand", fname=HERE / "Quicksand-Regular.otf")
pdf.add_font(family="Roboto", fname=HERE / "Roboto-Regular.ttf")
pdf.add_font(fname=HERE / "DejaVuSans.ttf")
pdf.add_font(fname=HERE / "TwitterEmoji.ttf")
pdf.add_font(fname=HERE / "Waree.ttf")
text = "Hello world / เธชเธงเธฑเธชเธเธตเธเธฒเธงเนเธฅเธ เธเธเธชเธญเธเธเธญเธเธเน, ๐ ๐ ๐ ๐
โ"
pdf.set_fallback_fonts(["DejaVuSans", "TwitterEmoji", "Waree"])
pdf.set_font("Quicksand", size=20)
pdf.cell(
text=text,
new_x=XPos.LMARGIN,
new_y=YPos.NEXT,
)
pdf.ln()
pdf.set_font("Roboto", size=20)
pdf.cell(
text=text,
new_x=XPos.LMARGIN,
new_y=YPos.NEXT,
)
assert_pdf_equal(
pdf,
HERE / "fallback_font_with_overridden_get_fallback_font.pdf",
tmp_path,
)
def test_invalid_fallback_font():
pdf = FPDF()
pdf.add_page()
pdf.add_font(family="Roboto", fname=HERE / "Roboto-Regular.ttf")
pdf.add_font(family="Waree", fname=HERE / "Waree.ttf")
pdf.set_font("Roboto", size=15)
with pytest.raises(FPDFException) as error:
pdf.set_fallback_fonts(["Waree", "Invalid"])
assert (
str(error.value)
== "Undefined fallback font: Invalid - Use FPDF.add_font() beforehand"
)
def test_glyph_not_on_any_font(caplog):
"""
Similar to fonts\\test_add_font\\test_font_missing_glyphs,
but resulting is less missing glyphs because the fallback font provided some of them
"""
pdf = FPDF()
pdf.add_page()
pdf.add_font(family="Roboto", fname=HERE / "Roboto-Regular.ttf")
pdf.add_font(family="DejaVuSans", fname=HERE / "DejaVuSans.ttf")
pdf.set_font("Roboto")
pdf.set_fallback_fonts(["DejaVuSans"])
pdf.cell(text="Test ๐ฅ๐๐ค๐ฅ ๐๐
ด๐๐ ๐ฒ")
pdf.output(devnull)
assert (
"Roboto is missing the following glyphs: "
"'๐' (\\U0001f183), '๐
ด' (\\U0001f174), '๐' (\\U0001f182)" in caplog.text
)
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