def test_viewcreation():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_RGB32)
v = _qimageview(qimg)
assert_equal(v.shape, (240, 320))
assert v.base is qimg
del qimg
w, h = v.base.width(), v.base.height() # should not segfault
assert_equal((w, h), (320, 240))
def test_odd_size_32bit():
qimg = QtGui.QImage(321, 240, QtGui.QImage.Format_ARGB32)
qimg.fill(0)
v = _qimageview(qimg)
qimg.setPixel(12, 10, 42)
assert_equal(v.shape, (240, 321))
assert_equal(v[10,12], 42)
assert_equal(v.strides[0], qimg.bytesPerLine())
def test_data_access():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_Indexed8)
setNumColors(qimg, 256)
qimg.fill(42)
v = _qimageview(qimg)
assert_equal(v.shape, (240, 320))
assert_equal(v[10,10], 42)
assert_equal(v.nbytes, numBytes(qimg))
def test_viewcreation():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_RGB32)
v = _qimageview(qimg)
assert_equal(v.shape, (240, 320))
assert v.base is qimg
del qimg
w, h = v.base.width(), v.base.height() # should not segfault
assert_equal((w, h), (320, 240))
def test_odd_size_32bit():
qimg = QtGui.QImage(321, 240, QtGui.QImage.Format_ARGB32)
qimg.fill(0)
v = _qimageview(qimg)
qimg.setPixel(12, 10, 42)
assert_equal(v.shape, (240, 321))
assert_equal(v[10, 12], 42)
assert_equal(v.strides[0], qimg.bytesPerLine())
def test_ARGB32():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_ARGB32)
qimg.fill(0)
v = _qimageview(qimg)
qimg.setPixel(12, 10, 42)
assert_equal(v.shape, (240, 320))
assert_equal(v[10,12], 42)
assert_equal(v.nbytes, numBytes(qimg))
def test_data_access():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_Indexed8)
setNumColors(qimg, 256)
qimg.fill(42)
v = _qimageview(qimg)
assert_equal(v.shape, (240, 320))
assert_equal(v[10, 10], 42)
assert_equal(v.nbytes, numBytes(qimg))
def test_ARGB32():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_ARGB32)
qimg.fill(0)
v = _qimageview(qimg)
qimg.setPixel(12, 10, 42)
assert_equal(v.shape, (240, 320))
assert_equal(v[10, 12], 42)
assert_equal(v.nbytes, numBytes(qimg))
def test_RGBA8888():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_RGBA8888)
qimg.fill(0)
v = _qimageview(qimg)
qimg.setPixel(12, 10, QtGui.qRgb(0x12, 0x34, 0x56))
assert_equal(v.shape, (240, 320))
assert_equal(v[10, 12],
0x123456ff if sys.byteorder == 'big' else 0xff563412)
assert_equal(v.nbytes, numBytes(qimg))
def test_ARGB32():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_ARGB32)
qimg.fill(0)
v = _qimageview(qimg)
qimg.setPixel(12, 10, QtGui.qRgb(0x12, 0x34, 0x56))
assert_equal(v.shape, (240, 320))
assert_equal(v[10, 12],
0xff123456 if sys.byteorder == 'little' else 0x563412ff)
assert_equal(v.nbytes, numBytes(qimg))
def test_odd_size_8bit():
qimg = QtGui.QImage(321, 240, QtGui.QImage.Format_Indexed8)
setNumColors(qimg, 256)
qimg.fill(0)
v = _qimageview(qimg)
qimg.setPixel(12, 10, 42)
assert_equal(v.shape, (240, 321))
assert_equal(v[10, 12], 42)
assert_equal(v.strides[0], qimg.bytesPerLine())
def test_odd_size_8bit():
qimg = QtGui.QImage(321, 240, QtGui.QImage.Format_Indexed8)
setNumColors(qimg, 256)
qimg.fill(0)
v = _qimageview(qimg)
qimg.setPixel(12, 10, 42)
assert_equal(v.shape, (240, 321))
assert_equal(v[10,12], 42)
assert_equal(v.strides[0], qimg.bytesPerLine())
def test_viewcreation():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_RGB32)
v = _qimageview(qimg)
assert_equal(v.shape, (240, 320))
assert v.base is not None
del qimg
if hasattr(v.base, 'width'):
w, h = v.base.width(), v.base.height() # should not segfault
assert_equal((w, h), (320, 240))
v[239] = numpy.arange(320) # should not segfault
def test_viewcreation():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_RGB32)
v = _qimageview(qimg)
assert_equal(v.shape, (240, 320))
assert v.base is not None
del qimg
if hasattr(v.base, 'width'):
w, h = v.base.width(), v.base.height() # should not segfault
assert_equal((w, h), (320, 240))
v[239] = numpy.arange(320) # should not segfault
def test_coordinate_access():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_Indexed8)
setNumColors(qimg, 256)
qimg.fill(0)
v = _qimageview(qimg)
qimg.fill(23)
qimg.setPixel(12, 10, 42)
assert_equal(v.shape, (240, 320))
assert_equal(v[10,10], 23)
assert_equal(v[10,12], 42)
assert_equal(v.nbytes, numBytes(qimg))
def test_coordinate_access():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_Indexed8)
setNumColors(qimg, 256)
qimg.fill(0)
v = _qimageview(qimg)
qimg.fill(23)
qimg.setPixel(12, 10, 42)
assert_equal(v.shape, (240, 320))
assert_equal(v[10, 10], 23)
assert_equal(v[10, 12], 42)
assert_equal(v.nbytes, numBytes(qimg))
def test_RGBX64():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_RGBX64)
qimg.fill(QtGui.qRgb(0, 0, 0))
v = _qimageview(qimg)
qimg.setPixel(12, 10, QtGui.qRgb(0x12, 0x34, 0x56))
assert_equal(v.shape, (240, 320))
assert_equal(v[10, 10],
0xffff000000000000 if sys.byteorder == 'little' else 0xffff)
assert_equal(
v[10, 12], 0xffff565634341212
if sys.byteorder == 'little' else 0x121234345656ffff)
assert_equal(v.nbytes, numBytes(qimg))
def test_mono():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_Mono)
v = _qimageview(qimg)
def test_rgb666():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_RGB666)
v = _qimageview(qimg)
def test_qimageview_wrongarg():
v = _qimageview(42)
def test_qimageview_manyargs():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_Indexed8)
v = _qimageview(qimg, 1)
def test_qimageview_wrongarg():
v = _qimageview(42)
def test_rgb666():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_RGB666)
v = _qimageview(qimg)
def test_mono():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_Mono)
v = _qimageview(qimg)
def test_qimageview_noargs():
v = _qimageview()
def test_qimageview_noargs():
v = _qimageview()
def test_qimageview_manyargs():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_Indexed8)
v = _qimageview(qimg, 1)
