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test_text.py
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"""Test how SVG text is drawn."""
from ...testing_utils import assert_no_logs
@assert_no_logs
def test_text_fill(assert_pixels):
assert_pixels('''
BBBBBB__BBBBBB______
BBBBBB__BBBBBB______
''', '''
<style>
@page { size: 20px 2px }
svg { display: block }
</style>
<svg width="20px" height="2px" xmlns="http://www.w3.org/2000/svg">
<text x="0" y="1.5" font-family="weasyprint" font-size="2" fill="blue">
ABC DEF
</text>
</svg>
''')
@assert_no_logs
def test_text_stroke(assert_pixels):
assert_pixels('''
_BBBBBBBBBBBB_______
_BBBBBBBBBBBB_______
_BBBBBBBBBBBB_______
_BBBBBBBBBBBB_______
''', '''
<style>
@page { font-size: 1px; size: 20em 8ex }
svg { display: block }
</style>
<svg width="20px" height="4px" xmlns="http://www.w3.org/2000/svg">
<text x="2" y="2.5" font-family="weasyprint" font-size="2"
fill="transparent" stroke="blue" stroke-width="1ex">
A B C
</text>
</svg>
''')
@assert_no_logs
def test_text_x(assert_pixels):
assert_pixels('''
BB__BB_BBBB_________
BB__BB_BBBB_________
''', '''
<style>
@page { size: 20px 2px }
svg { display: block }
</style>
<svg width="20px" height="2px" xmlns="http://www.w3.org/2000/svg">
<text x="0 4 7" y="1.5" font-family="weasyprint" font-size="2"
fill="blue">
ABCD
</text>
</svg>
''')
@assert_no_logs
def test_text_y(assert_pixels):
assert_pixels('''
__________BBBBB_____BBBBBBBBBB
__________BBBBB_____BBBBBBBBBB
__________BBBBB_____BBBBBBBBBB
__________BBBBB_____BBBBBBBBBB
__________BBBBB_____BBBBBBBBBB
BBBBBBBBBB_____BBBBB__________
BBBBBBBBBB_____BBBBB__________
BBBBBBBBBB_____BBBBB__________
BBBBBBBBBB_____BBBBB__________
BBBBBBBBBB_____BBBBB__________
''', '''
<style>
@page { size: 30px 10px }
svg { display: block }
</style>
<svg width="30px" height="10px" xmlns="http://www.w3.org/2000/svg">
<text x="0" y="9 9 4 9 4" font-family="weasyprint" font-size="5"
fill="blue">
ABCDEF
</text>
</svg>
''')
@assert_no_logs
def test_text_xy(assert_pixels):
assert_pixels('''
__________BBBBB_____BBBBBBBBBB
__________BBBBB_____BBBBBBBBBB
__________BBBBB_____BBBBBBBBBB
__________BBBBB_____BBBBBBBBBB
__________BBBBB_____BBBBBBBBBB
BBBBB__________BBBBB__________
BBBBB__________BBBBB__________
BBBBB__________BBBBB__________
BBBBB__________BBBBB__________
BBBBB__________BBBBB__________
''', '''
<style>
@page { size: 30px 10px }
svg { display: block }
</style>
<svg width="30px" height="10px" xmlns="http://www.w3.org/2000/svg">
<text x="0 10" y="9 4 9 4" font-family="weasyprint" font-size="5"
fill="blue">
ABCDE
</text>
</svg>
''')
@assert_no_logs
def test_text_dx(assert_pixels):
assert_pixels('''
BB__BB_BBBB_________
BB__BB_BBBB_________
''', '''
<style>
@page { size: 20px 2px }
svg { display: block }
</style>
<svg width="20px" height="2px" xmlns="http://www.w3.org/2000/svg">
<text dx="0 2 1" y="1.5" font-family="weasyprint" font-size="2"
fill="blue">
ABCD
</text>
</svg>
''')
@assert_no_logs
def test_text_dy(assert_pixels):
assert_pixels('''
__________BBBBB_____BBBBBBBBBB
__________BBBBB_____BBBBBBBBBB
__________BBBBB_____BBBBBBBBBB
__________BBBBB_____BBBBBBBBBB
__________BBBBB_____BBBBBBBBBB
BBBBBBBBBB_____BBBBB__________
BBBBBBBBBB_____BBBBB__________
BBBBBBBBBB_____BBBBB__________
BBBBBBBBBB_____BBBBB__________
BBBBBBBBBB_____BBBBB__________
''', '''
<style>
@page { size: 30px 10px }
svg { display: block }
</style>
<svg width="30px" height="10px" xmlns="http://www.w3.org/2000/svg">
<text x="0" dy="9 0 -5 5 -5" font-family="weasyprint" font-size="5"
fill="blue">
ABCDEF
</text>
</svg>
''')
@assert_no_logs
def test_text_dx_dy(assert_pixels):
assert_pixels('''
__________BBBBB_____BBBBBBBBBB
__________BBBBB_____BBBBBBBBBB
__________BBBBB_____BBBBBBBBBB
__________BBBBB_____BBBBBBBBBB
__________BBBBB_____BBBBBBBBBB
BBBBB__________BBBBB__________
BBBBB__________BBBBB__________
BBBBB__________BBBBB__________
BBBBB__________BBBBB__________
BBBBB__________BBBBB__________
''', '''
<style>
@page { size: 30px 10px }
svg { display: block }
</style>
<svg width="30px" height="10px" xmlns="http://www.w3.org/2000/svg">
<text dx="0 5" dy="9 -5 5 -5" font-family="weasyprint" font-size="5"
fill="blue">
ABCDE
</text>
</svg>
''')
@assert_no_logs
def test_text_anchor_start(assert_pixels):
assert_pixels('''
__BBBBBB____________
__BBBBBB____________
____BBBBBB__________
____BBBBBB__________
''', '''
<style>
@page { size: 20px 4px }
svg { display: block }
</style>
<svg width="20px" height="4px" xmlns="http://www.w3.org/2000/svg">
<text x="2" y="1.5" font-family="weasyprint" font-size="2"
fill="blue">
ABC
</text>
<text x="4" y="3.5" font-family="weasyprint" font-size="2"
fill="blue" text-anchor="start">
ABC
</text>
</svg>
''')
@assert_no_logs
def test_text_anchor_middle(assert_pixels):
assert_pixels('''
_______BBBBBB_______
_______BBBBBB_______
''', '''
<style>
@page { size: 20px 2px }
svg { display: block }
</style>
<svg width="20px" height="2px" xmlns="http://www.w3.org/2000/svg">
<text x="10" y="1.5" font-family="weasyprint" font-size="2"
fill="blue" text-anchor="middle">
ABC
</text>
</svg>
''')
@assert_no_logs
def test_text_anchor_end(assert_pixels):
assert_pixels('''
____________BBBBBB__
____________BBBBBB__
''', '''
<style>
@page { size: 20px 2px }
svg { display: block }
</style>
<svg width="20px" height="2px" xmlns="http://www.w3.org/2000/svg">
<text x="18" y="1.5" font-family="weasyprint" font-size="2"
fill="blue" text-anchor="end">
ABC
</text>
</svg>
''')
@assert_no_logs
def test_text_tspan(assert_pixels):
assert_pixels('''
BBBBBB__BBBBBB______
BBBBBB__BBBBBB______
''', '''
<style>
@page { size: 20px 2px }
svg { display: block }
</style>
<svg width="20px" height="2px" xmlns="http://www.w3.org/2000/svg">
<text x="10" y="10" font-family="weasyprint" font-size="2" fill="blue">
<tspan x="0" y="1.5">ABC DEF</tspan>
</text>
</svg>
''')
@assert_no_logs
def test_text_tspan_anchor_middle(assert_pixels):
assert_pixels('''
_______BBBBBB_______
_______BBBBBB_______
''', '''
<style>
@page { size: 20px 2px }
svg { display: block }
</style>
<svg width="20px" height="2px" xmlns="http://www.w3.org/2000/svg">
<text x="10" y="10" font-family="weasyprint" font-size="2" fill="blue">
<tspan x="10" y="1.5" text-anchor="middle">ABC</tspan>
</text>
</svg>
''')
@assert_no_logs
def test_text_tspan_anchor_end(assert_pixels):
assert_pixels('''
____________BBBBBB__
____________BBBBBB__
''', '''
<style>
@page { size: 20px 2px }
svg { display: block }
</style>
<svg width="20px" height="2px" xmlns="http://www.w3.org/2000/svg">
<text x="10" y="10" font-family="weasyprint" font-size="2" fill="blue">
<tspan x="18" y="1.5" text-anchor="end">ABC</tspan>
</text>
</svg>
''')
@assert_no_logs
def test_text_anchor_middle_tspan(assert_pixels):
assert_pixels('''
_______BBBBBB_______
_______BBBBBB_______
''', '''
<style>
@page { size: 20px 2px }
svg { display: block }
</style>
<svg width="20px" height="2px" xmlns="http://www.w3.org/2000/svg">
<text x="10" y="10" font-family="weasyprint" font-size="2" fill="blue"
text-anchor="middle">
<tspan x="10" y="1.5">ABC</tspan>
</text>
</svg>
''')
@assert_no_logs
def test_text_anchor_end_tspan(assert_pixels):
assert_pixels('''
____________BBBBBB__
____________BBBBBB__
''', '''
<style>
@page { size: 20px 2px }
svg { display: block }
</style>
<svg width="20px" height="2px" xmlns="http://www.w3.org/2000/svg">
<text x="10" y="10" font-family="weasyprint" font-size="2" fill="blue"
text-anchor="end">
<tspan x="18" y="1.5">ABC</tspan>
</text>
</svg>
''')
@assert_no_logs
def test_text_anchor_middle_tspan_head_tail(assert_pixels):
assert_pixels('''
____BBBBRRRRRRBB____
____BBBBRRRRRRBB____
''', '''
<style>
@page { size: 20px 2px }
svg { display: block }
</style>
<svg width="20px" height="2px" xmlns="http://www.w3.org/2000/svg">
<text x="10" y="1.5" font-family="weasyprint" font-size="2" fill="blue"
text-anchor="middle">
AA<tspan fill="red">ABC</tspan>A
</text>
</svg>
''')
@assert_no_logs
def test_text_anchor_end_tspan_head_tail(assert_pixels):
assert_pixels('''
______BBBBRRRRRRBB__
______BBBBRRRRRRBB__
''', '''
<style>
@page { size: 20px 2px }
svg { display: block }
</style>
<svg width="20px" height="2px" xmlns="http://www.w3.org/2000/svg">
<text x="18" y="1.5" font-family="weasyprint" font-size="2" fill="blue"
text-anchor="end">
AA<tspan fill="red">ABC</tspan>A
</text>
</svg>
''')
@assert_no_logs
def test_text_anchor_middle_end_tspan(assert_pixels):
assert_pixels('''
_______BBBBBB_______
_______BBBBBB_______
____________BBBBBB__
____________BBBBBB__
''', '''
<style>
@page { size: 20px 4px }
svg { display: block }
</style>
<svg width="20px" height="4px" xmlns="http://www.w3.org/2000/svg">
<text x="10" y="10" font-family="weasyprint" font-size="2" fill="blue">
<tspan x="10" y="1.5" text-anchor="middle">ABC</tspan>
<tspan x="18" y="3.5" text-anchor="end">ABC</tspan>
</text>
</svg>
''')
@assert_no_logs
def test_text_tspan_anchor_non_text(assert_pixels):
# Regression test for https://github.com/Kozea/WeasyPrint/issues/2375
assert_pixels('''
_______BBBBBB_______
_______BBBBBB_______
''', '''
<style>
@page { size: 20px 2px }
svg { display: block }
</style>
<svg width="20px" height="2px" text-anchor="end"
xmlns="http://www.w3.org/2000/svg">
<text x="10" y="10" font-family="weasyprint" font-size="2" text-anchor="start">
<tspan x="10" y="1.5" text-anchor="middle" fill="blue">ABC</tspan>
</text>
</svg>
''')
@assert_no_logs
def test_text_rotate(assert_pixels):
assert_pixels('''
__RR__RR__RR________
__RR__RR__RR________
BB__BB__BB__________
BB__BB__BB__________
''', '''
<style>
@page { size: 20px 4px }
svg { display: block }
</style>
<svg width="20px" height="4px" xmlns="http://www.w3.org/2000/svg">
<text x="2" y="1.5" font-family="weasyprint" font-size="2" fill="red"
letter-spacing="2">abc</text>
<text x="2" y="1.5" font-family="weasyprint" font-size="2" fill="blue"
rotate="180" letter-spacing="2">abc</text>
</svg>
''')
@assert_no_logs
def test_text_text_length(assert_pixels):
assert_pixels('''
__RRRRRR____________
__RRRRRR____________
__BB__BB__BB________
__BB__BB__BB________
''', '''
<style>
@page { size: 20px 4px }
svg { display: block }
</style>
<svg width="20px" height="4px" xmlns="http://www.w3.org/2000/svg">
<text x="2" y="1.5" font-family="weasyprint" font-size="2" fill="red">
abc
</text>
<text x="2" y="3.5" font-family="weasyprint" font-size="2" fill="blue"
textLength="10">abc</text>
</svg>
''')
@assert_no_logs
def test_text_length_adjust_glyphs_only(assert_pixels):
assert_pixels('''
__RRRRRR____________
__RRRRRR____________
__BBBBBBBBBBBB______
__BBBBBBBBBBBB______
''', '''
<style>
@page { size: 20px 4px }
svg { display: block }
</style>
<svg width="20px" height="4px" xmlns="http://www.w3.org/2000/svg">
<text x="2" y="1.5" font-family="weasyprint" font-size="2" fill="red">
abc
</text>
<text x="2" y="3.5" font-family="weasyprint" font-size="2" fill="blue"
textLength="12" lengthAdjust="spacingAndGlyphs">abc</text>
</svg>
''')
@assert_no_logs
def test_text_length_adjust_spacing_and_glyphs(assert_pixels):
assert_pixels('''
__RR_RR_RR__________
__RR_RR_RR__________
__BBBB__BBBB__BBBB__
__BBBB__BBBB__BBBB__
''', '''
<style>
@page { size: 20px 4px }
svg { display: block }
</style>
<svg width="20px" height="4px" xmlns="http://www.w3.org/2000/svg">
<text x="2" y="1.5" font-family="weasyprint" font-size="2" fill="red"
letter-spacing="1">abc</text>
<text x="2" y="3.5" font-family="weasyprint" font-size="2" fill="blue"
letter-spacing="1" textLength="16" lengthAdjust="spacingAndGlyphs">
abc
</text>
</svg>
''')