Pillow/Tests/test_imageqt.py
2019-10-26 09:07:44 +03:00

72 lines
1.9 KiB
Python

from PIL import ImageQt
from .helper import PillowTestCase, hopper
if ImageQt.qt_is_installed:
from PIL.ImageQt import qRgba
def skip_if_qt_is_not_installed(_):
pass
else:
def skip_if_qt_is_not_installed(test_case):
test_case.skipTest("Qt bindings are not installed")
class PillowQtTestCase:
def setUp(self):
skip_if_qt_is_not_installed(self)
def tearDown(self):
pass
class PillowQPixmapTestCase(PillowQtTestCase):
def setUp(self):
super().setUp()
try:
if ImageQt.qt_version == "5":
from PyQt5.QtGui import QGuiApplication
elif ImageQt.qt_version == "side2":
from PySide2.QtGui import QGuiApplication
except ImportError:
self.skipTest("QGuiApplication not installed")
self.app = QGuiApplication([])
def tearDown(self):
super().tearDown()
self.app.quit()
class TestImageQt(PillowQtTestCase, PillowTestCase):
def test_rgb(self):
# from https://doc.qt.io/archives/qt-4.8/qcolor.html
# typedef QRgb
# An ARGB quadruplet on the format #AARRGGBB,
# equivalent to an unsigned int.
if ImageQt.qt_version == "5":
from PyQt5.QtGui import qRgb
elif ImageQt.qt_version == "side2":
from PySide2.QtGui import qRgb
self.assertEqual(qRgb(0, 0, 0), qRgba(0, 0, 0, 255))
def checkrgb(r, g, b):
val = ImageQt.rgb(r, g, b)
val = val % 2 ** 24 # drop the alpha
self.assertEqual(val >> 16, r)
self.assertEqual(((val >> 8) % 2 ** 8), g)
self.assertEqual(val % 2 ** 8, b)
checkrgb(0, 0, 0)
checkrgb(255, 0, 0)
checkrgb(0, 255, 0)
checkrgb(0, 0, 255)
def test_image(self):
for mode in ("1", "RGB", "RGBA", "L", "P"):
ImageQt.ImageQt(hopper(mode))