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FIX: Qt5 account for dpiratio as early as possible #9002

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Merged
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Aug 14, 2017
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FIX: Qt5 account for dpiratio as early as possible #9002

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cfff335
FIX: Qt5 account for dpiratio as early as possible
tacaswell Aug 7, 2017
ce7c8df
TST: correct expected canvas sizes
tacaswell Aug 10, 2017
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TST: correct expected canvas sizes 
The values in the test were the buggy values.  We expect a (5, 2) in
figure at 120 dpi to be (600, 240) screen pixels.
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@tacaswell
tacaswell committed Aug 10, 2017
commit ce7c8df6084fc2fe10116453c0e88f1aac79199d
9 changes: 5 additions & 4 deletions lib/matplotlib/tests/test_backend_qt5.py
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Original file line number Diff line number Diff line change
Expand Up @@ -125,6 +125,7 @@ def test_dpi_ratio_change():
size = qt_canvas.size()

qt_canvas.manager.show()
qt_canvas.draw()
qApp.processEvents()

# The DPI and the renderer width/height change
Expand All @@ -133,8 +134,8 @@ def test_dpi_ratio_change():
assert qt_canvas.renderer.height == 720

# The actual widget size and figure physical size don't change
assert size.width() == 200
assert size.height() == 80
assert size.width() == 600
assert size.height() == 240
assert_equal(qt_canvas.get_width_height(), (600, 240))
assert_equal(fig.get_size_inches(), (5, 2))

Expand All @@ -151,7 +152,7 @@ def test_dpi_ratio_change():
assert qt_canvas.renderer.height == 480

# The actual widget size and figure physical size don't change
assert size.width() == 200
assert size.height() == 80
assert size.width() == 600
assert size.height() == 240
assert_equal(qt_canvas.get_width_height(), (600, 240))
assert_equal(fig.get_size_inches(), (5, 2))