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_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_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_byte_view_indexed():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_Indexed8)
setNumColors(qimg, 256)
v = qimage2ndarray.byte_view(qimg)
qimg.fill(23)
qimg.setPixel(12, 10, 42)
assert_equal(v.shape, (240, 320, 1))
assert_equal(list(v[10,10]), [23])
assert_equal(list(v[10,12]), [42])
assert_equal(v.nbytes, numBytes(qimg))
def test_raw_indexed8():
qimg = QtGui.QImage(320, 240, QtGui.QImage.Format_Indexed8)
setNumColors(qimg, 256)
qimg.fill(0)
v = qimage2ndarray.raw_view(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_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))
