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Check if installed Qt version supports Format_Grayscale16

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This commit is contained in:
Christopher Bruns 2021-11-29 19:38:57 -08:00 committed by Andrew Murray
parent b1cc094f57
commit e87745d9ec
2 changed files with 5 additions and 2 deletions
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5
Tests/test_imageqt.py
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@ -42,8 +42,11 @@ def test_rgb():
def test_image():
for mode in ("1", "RGB", "RGBA", "L", "P", "I;16"):
for mode in ("1", "RGB", "RGBA", "L", "P"):
ImageQt.ImageQt(hopper(mode))
qt_format = ImageQt.QImage.Format if ImageQt.qt_version == "6" else ImageQt.QImage
if hasattr(qt_format, "Format_Grayscale16"): # Qt 5.13+
ImageQt.ImageQt(hopper("I;16"))
def test_closed_file():

2
src/PIL/ImageQt.py
View File

@ -167,7 +167,7 @@ def _toqclass_helper(im):
elif im.mode == "RGBA":
data = im.tobytes("raw", "BGRA")
format = qt_format.Format_ARGB32
elif im.mode == "I;16":
elif im.mode == "I;16" and hasattr(qt_format, "Format_Grayscale16"): # Qt 5.13+
format = qt_format.Format_Grayscale16
else:
if exclusive_fp: