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73 lines
2.3 KiB
Python
73 lines
2.3 KiB
Python
from __future__ import annotations
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import pytest
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from PIL import Image, ImageDraw, ImageFont, ImageText
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from .helper import assert_image_similar_tofile, skip_unless_feature
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FONT_PATH = "Tests/fonts/FreeMono.ttf"
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@pytest.fixture(
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scope="module",
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params=[
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pytest.param(ImageFont.Layout.BASIC),
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pytest.param(ImageFont.Layout.RAQM, marks=skip_unless_feature("raqm")),
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],
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)
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def layout_engine(request: pytest.FixtureRequest) -> ImageFont.Layout:
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return request.param
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@pytest.fixture(scope="module")
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def font(layout_engine: ImageFont.Layout) -> ImageFont.FreeTypeFont:
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return ImageFont.truetype(FONT_PATH, 20, layout_engine=layout_engine)
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def test_get_length(font: ImageFont.FreeTypeFont) -> None:
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assert ImageText.Text("A", font).get_length() == 12
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assert ImageText.Text("AB", font).get_length() == 24
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assert ImageText.Text("M", font).get_length() == 12
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assert ImageText.Text("y", font).get_length() == 12
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assert ImageText.Text("a", font).get_length() == 12
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def test_get_bbox(font: ImageFont.FreeTypeFont) -> None:
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assert ImageText.Text("A", font).get_bbox() == (0, 4, 12, 16)
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assert ImageText.Text("AB", font).get_bbox() == (0, 4, 24, 16)
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assert ImageText.Text("M", font).get_bbox() == (0, 4, 12, 16)
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assert ImageText.Text("y", font).get_bbox() == (0, 7, 12, 20)
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assert ImageText.Text("a", font).get_bbox() == (0, 7, 12, 16)
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def test_standard_embedded_color(layout_engine: ImageFont.Layout) -> None:
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font = ImageFont.truetype(FONT_PATH, 40, layout_engine=layout_engine)
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text = ImageText.Text("Hello World!", font)
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text.embed_color()
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im = Image.new("RGB", (300, 64), "white")
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draw = ImageDraw.Draw(im)
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draw.text((10, 10), text, "#fa6")
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assert_image_similar_tofile(im, "Tests/images/standard_embedded.png", 3.1)
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@skip_unless_feature("freetype2")
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def test_stroke() -> None:
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for suffix, stroke_fill in {"same": None, "different": "#0f0"}.items():
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# Arrange
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im = Image.new("RGB", (120, 130))
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draw = ImageDraw.Draw(im)
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font = ImageFont.truetype(FONT_PATH, 120)
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text = ImageText.Text("A", font)
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text.stroke(2, stroke_fill)
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# Act
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draw.text((12, 12), text, "#f00")
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# Assert
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assert_image_similar_tofile(
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im, "Tests/images/imagedraw_stroke_" + suffix + ".png", 3.1
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)
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