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43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
import pytest
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from PIL import ImageQt
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from .helper import hopper
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if ImageQt.qt_is_installed:
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from PIL.ImageQt import qRgba
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@pytest.mark.skipif(not ImageQt.qt_is_installed, reason="Qt bindings are not installed")
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def test_rgb():
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# from https://doc.qt.io/archives/qt-4.8/qcolor.html
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# typedef QRgb
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# An ARGB quadruplet on the format #AARRGGBB,
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# equivalent to an unsigned int.
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if ImageQt.qt_version == "side6":
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from PySide6.QtGui import qRgb
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elif ImageQt.qt_version == "5":
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from PyQt5.QtGui import qRgb
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elif ImageQt.qt_version == "side2":
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from PySide2.QtGui import qRgb
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assert qRgb(0, 0, 0) == qRgba(0, 0, 0, 255)
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def checkrgb(r, g, b):
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val = ImageQt.rgb(r, g, b)
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val = val % 2 ** 24 # drop the alpha
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assert val >> 16 == r
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assert ((val >> 8) % 2 ** 8) == g
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assert val % 2 ** 8 == b
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checkrgb(0, 0, 0)
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checkrgb(255, 0, 0)
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checkrgb(0, 255, 0)
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checkrgb(0, 0, 255)
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@pytest.mark.skipif(not ImageQt.qt_is_installed, reason="Qt bindings are not installed")
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def test_image():
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for mode in ("1", "RGB", "RGBA", "L", "P"):
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ImageQt.ImageQt(hopper(mode))
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