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from pathlib import Path
from fpdf import FPDF
from fpdf.pattern import RadialGradient
from test.conftest import assert_pdf_equal
HERE = Path(__file__).resolve().parent
def test_radial_gradient(tmp_path):
pdf = FPDF()
pdf.add_page()
x = pdf.w / 2 - 25
y = pdf.get_y()
with pdf.use_pattern(
RadialGradient(
pdf,
x + 25,
y + 25,
0,
x + 25,
y + 25,
25,
[(255, 255, 0), (255, 0, 0)],
)
):
pdf.circle(x=x + 25, y=y + 25, radius=25, style="FD")
y += 60
with pdf.use_pattern(
RadialGradient(
pdf,
x + 5,
y + 5,
0,
x + 25,
y + 25,
25,
[(255, 255, 0), (255, 0, 0)],
)
):
pdf.circle(x=x + 25, y=y + 25, radius=25, style="FD")
assert_pdf_equal(pdf, HERE / "radial_gradient.pdf", tmp_path)
def test_radial_gradient_multiple_colors(tmp_path):
pdf = FPDF()
pdf.add_page()
x = pdf.l_margin
y = pdf.get_y()
with pdf.use_pattern(
RadialGradient(
pdf,
(pdf.epw + pdf.l_margin) / 2,
y + 50,
20,
(pdf.epw + pdf.l_margin) / 2,
y + 50,
(pdf.epw + pdf.l_margin) / 2,
["#868F96", "#596164", "#537895", "#09203F"],
)
):
pdf.rect(x=x, y=y, w=pdf.epw, h=100, style="FD")
y += 105
with pdf.use_pattern(
RadialGradient(
pdf,
pdf.w / 2,
y + 50,
0,
pdf.w / 2,
y + 50,
(y + 50) / 2,
["#FFECD2", "#FCB69F", "#DD2476"],
)
):
pdf.rect(x=x, y=y, w=pdf.epw, h=100, style="FD")
assert_pdf_equal(pdf, HERE / "radial_gradient_multiple_colors.pdf", tmp_path)
def test_custom_bounds(tmp_path):
pdf = FPDF()
pdf.add_page()
with pdf.use_pattern(
RadialGradient(
pdf,
pdf.w / 2,
pdf.h / 2,
20,
pdf.w / 2,
pdf.h / 2,
pdf.h / 2 - 20,
[
"#FFFFFF",
"#9400D3",
"#4B0082",
"#0000FF",
"#00FF00",
"#FFFF00",
"#FF7F00",
"#FF0000",
"#FFFFFF",
],
bounds=[0.35, 0.40, 0.45, 0.50, 0.55, 0.60, 0.65],
)
):
pdf.rect(x=0, y=0, w=pdf.w, h=pdf.h / 2, style="FD")
assert_pdf_equal(pdf, HERE / "radial_custom_bounds.pdf", tmp_path)
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