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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
'''Test cases for QImage'''
import os
import sys
import unittest
from pathlib import Path
sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
from init_paths import init_test_paths
init_test_paths(False)
from PySide6.QtGui import QImage
from helper.usesqguiapplication import UsesQGuiApplication
from xpm_data import xpm
class QImageTest(UsesQGuiApplication):
'''Test case for calling setPixel with float as argument'''
def testQImageStringBuffer(self):
'''Test if the QImage signatures receiving string buffers exist.'''
file = Path(__file__).resolve().parent / 'sample.png'
self.assertTrue(file.is_file())
img0 = QImage(file)
# btw let's test the bits() method
img1 = QImage(img0.bits(), img0.width(), img0.height(), img0.format())
img1.setColorSpace(img0.colorSpace())
self.assertEqual(img0, img1)
img2 = QImage(img0.bits(), img0.width(), img0.height(), img0.bytesPerLine(), img0.format())
img2.setColorSpace(img0.colorSpace())
self.assertEqual(img0, img2)
## test scanLine method
data1 = img0.scanLine(0)
data2 = img1.scanLine(0)
self.assertEqual(data1, data2)
def testEmptyBuffer(self):
img = QImage(bytes('', "UTF-8"), 100, 100, QImage.Format_ARGB32)
def testEmptyStringAsBuffer(self):
img = QImage(bytes('', "UTF-8"), 100, 100, QImage.Format_ARGB32)
def testXpmConstructor(self):
img = QImage(xpm)
self.assertFalse(img.isNull())
self.assertEqual(img.width(), 27)
self.assertEqual(img.height(), 22)
if __name__ == '__main__':
unittest.main()
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