def test_sanity(self):
for mode in ('RGB', 'RGBA', 'L', 'P', '1'):
src = hopper(mode)
data = ImageQt.toqimage(src)
self.assertIsInstance(data, QImage)
self.assertFalse(data.isNull())
# reload directly from the qimage
rt = ImageQt.fromqimage(data)
if mode in ('L', 'P', '1'):
self.assert_image_equal(rt, src.convert('RGB'))
else:
self.assert_image_equal(rt, src)
if mode == '1':
# BW appears to not save correctly on QT4 and QT5
# kicks out errors on console:
# libpng warning: Invalid color type/bit depth combination
# in IHDR
# libpng error: Invalid IHDR data
continue
# Test saving the file
tempfile = self.tempfile('temp_{}.png'.format(mode))
data.save(tempfile)
# Check that it actually worked.
reloaded = Image.open(tempfile)
# Gray images appear to come back in palette mode.
# They're roughly equivalent
if QT_VERSION == 4 and mode == 'L':
src = src.convert('P')
self.assert_image_equal(reloaded, src)
def roundtrip(self, expected):
# PIL2 -> Qt
intermediate = expected.toqimage()
# Qt -> PIL2
result = ImageQt.fromqimage(intermediate)
if intermediate.hasAlphaChannel():
self.assert_image_equal(result, expected.convert('RGBA'))
else:
self.assert_image_equal(result, expected.convert('RGB'))
def test_sanity(self):
for mode in ('1', 'RGB', 'RGBA', 'L', 'P'):
data = ImageQt.toqpixmap(hopper(mode))
self.assertIsInstance(data, QPixmap)
self.assertFalse(data.isNull())
# Test saving the file
tempfile = self.tempfile('temp_{}.png'.format(mode))
data.save(tempfile)
def __init__(self):
super(Example, self).__init__()
img = hopper().resize((1000, 1000))
qimage = ImageQt.ImageQt(img)
pixmap1 = QtGui.QPixmap.fromImage(qimage)
hbox = QHBoxLayout(self)
lbl = QLabel(self)
# Segfault in the problem
lbl.setPixmap(pixmap1.copy())
def roundtrip(self, expected):
result = ImageQt.fromqpixmap(ImageQt.toqpixmap(expected))
# Qt saves all pixmaps as rgb
self.assert_image_equal(result, expected.convert('RGB'))
def test_image(self):
for mode in ('1', 'RGB', 'RGBA', 'L', 'P'):
ImageQt.ImageQt(hopper(mode))
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)