64 lines
1.7 KiB
Python
64 lines
1.7 KiB
Python
"""
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weasyprint.tests.test_draw.test_opacity
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---------------------------------------
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Test opacity.
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:copyright: Copyright 2011-2019 Simon Sapin and contributors, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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from ..testing_utils import assert_no_logs
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from . import assert_same_rendering
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opacity_source = '''
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<style>
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@page { size: 60px 60px }
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body { margin: 0; background: #fff }
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div { background: #000; width: 20px; height: 20px }
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</style>
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%s'''
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@assert_no_logs
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def test_opacity_1():
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assert_same_rendering(60, 60, [
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('opacity_0_reference', opacity_source % '''
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<div></div>
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'''),
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('opacity_0', opacity_source % '''
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<div></div>
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<div style="opacity: 0"></div>
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'''),
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])
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@assert_no_logs
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def test_opacity_2():
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assert_same_rendering(60, 60, [
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('opacity_color_reference', opacity_source % '''
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<div style="background: rgb(102, 102, 102)"></div>
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'''),
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('opacity_color', opacity_source % '''
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<div style="opacity: 0.6"></div>
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'''),
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])
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@assert_no_logs
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def test_opacity_3():
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assert_same_rendering(60, 60, [
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('opacity_multiplied_reference', opacity_source % '''
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<div style="background: rgb(102, 102, 102)"></div>
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'''),
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('opacity_multiplied', opacity_source % '''
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<div style="opacity: 0.6"></div>
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'''),
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('opacity_multiplied_2', opacity_source % '''
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<div style="background: none; opacity: 0.666666">
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<div style="opacity: 0.9"></div>
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</div>
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'''), # 0.9 * 0.666666 == 0.6
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])
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