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98 lines
3.0 KiB
Python
98 lines
3.0 KiB
Python
from helper import unittest, PillowTestCase, hopper
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from test_imageqt import PillowQtTestCase
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from PIL import ImageQt, Image
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if ImageQt.qt_is_installed:
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from PIL.ImageQt import QImage
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try:
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from PyQt5 import QtGui
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from PyQt5.QtWidgets import QWidget, QHBoxLayout, QLabel, QApplication
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QT_VERSION = 5
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except (ImportError, RuntimeError):
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try:
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from PySide2 import QtGui
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from PySide2.QtWidgets import QWidget, QHBoxLayout, QLabel, \
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QApplication
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QT_VERSION = 5
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except (ImportError, RuntimeError):
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try:
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from PyQt4 import QtGui
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from PyQt4.QtGui import QWidget, QHBoxLayout, QLabel, \
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QApplication
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QT_VERSION = 4
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except (ImportError, RuntimeError):
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from PySide import QtGui
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from PySide.QtGui import QWidget, QHBoxLayout, QLabel, \
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QApplication
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QT_VERSION = 4
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class TestToQImage(PillowQtTestCase, PillowTestCase):
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def test_sanity(self):
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for mode in ('RGB', 'RGBA', 'L', 'P', '1'):
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src = hopper(mode)
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data = ImageQt.toqimage(src)
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self.assertIsInstance(data, QImage)
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self.assertFalse(data.isNull())
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# reload directly from the qimage
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rt = ImageQt.fromqimage(data)
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if mode in ('L', 'P', '1'):
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self.assert_image_equal(rt, src.convert('RGB'))
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else:
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self.assert_image_equal(rt, src)
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if mode == '1':
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# BW appears to not save correctly on QT4 and QT5
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# kicks out errors on console:
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# libpng warning: Invalid color type/bit depth combination
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# in IHDR
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# libpng error: Invalid IHDR data
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continue
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# Test saving the file
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tempfile = self.tempfile('temp_{}.png'.format(mode))
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data.save(tempfile)
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# Check that it actually worked.
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reloaded = Image.open(tempfile)
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# Gray images appear to come back in palette mode.
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# They're roughly equivalent
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if QT_VERSION == 4 and mode == 'L':
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src = src.convert('P')
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self.assert_image_equal(reloaded, src)
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def test_segfault(self):
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app = QApplication([])
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ex = Example()
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assert app # Silence warning
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assert ex # Silence warning
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if ImageQt.qt_is_installed:
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class Example(QWidget):
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def __init__(self):
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super(Example, self).__init__()
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img = hopper().resize((1000, 1000))
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qimage = ImageQt.ImageQt(img)
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pixmap1 = QtGui.QPixmap.fromImage(qimage)
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QHBoxLayout(self) # hbox
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lbl = QLabel(self)
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# Segfault in the problem
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lbl.setPixmap(pixmap1.copy())
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if __name__ == '__main__':
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unittest.main()
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