mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-12-28 19:06:18 +03:00
93 lines
2.7 KiB
Python
93 lines
2.7 KiB
Python
from helper import unittest, PillowTestCase, hopper
|
|
from test_imageqt import PillowQtTestCase
|
|
|
|
from PIL import ImageQt, Image
|
|
|
|
|
|
if ImageQt.qt_is_installed:
|
|
from PIL.ImageQt import QImage
|
|
|
|
try:
|
|
from PyQt5 import QtGui
|
|
from PyQt5.QtWidgets import QWidget, QHBoxLayout, QLabel, QApplication
|
|
QT_VERSION = 5
|
|
except (ImportError, RuntimeError):
|
|
try:
|
|
from PyQt4 import QtGui
|
|
from PyQt4.QtGui import QWidget, QHBoxLayout, QLabel, QApplication
|
|
QT_VERSION = 4
|
|
except (ImportError, RuntimeError):
|
|
from PySide import QtGui
|
|
from PySide.QtGui import QWidget, QHBoxLayout, QLabel, QApplication
|
|
QT_VERSION = 4
|
|
|
|
|
|
class TestToQImage(PillowQtTestCase, PillowTestCase):
|
|
|
|
def test_sanity(self):
|
|
PillowQtTestCase.setUp(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 test_segfault(self):
|
|
PillowQtTestCase.setUp(self)
|
|
|
|
app = QApplication([])
|
|
ex = Example()
|
|
assert(app) # Silence warning
|
|
assert(ex) # Silence warning
|
|
|
|
|
|
if ImageQt.qt_is_installed:
|
|
class Example(QWidget):
|
|
|
|
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())
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|