def test_full(self):
data = image_encoding.html_to_png('')
image = Image.open(data)
image = image_encoding.crop_384(image)
image = image_encoding.convert_to_1bit(image)
n_bytes, _ = image_encoding.rle_from_bw(image)
self.assertEquals(n_bytes, 3072)
def test_full(self):
data = image_encoding.html_to_png('')
image = Image.open(data)
image = image_encoding.crop_384(image)
image = image_encoding.threshold(image)
n_bytes, _ = image_encoding.rle_from_bw(image)
self.assertEquals(n_bytes, 3072)
def test_full(self):
data = image_encoding.html_to_png(
'<html><body style="margin: 0px; height: 10px;"></body></html>')
image = Image.open(data)
image = image_encoding.crop_384(image)
image = image_encoding.convert_to_1bit(image)
n_bytes, _ = image_encoding.rle_from_bw(image)
self.assertEquals(n_bytes, 3840)
def test_specific_image_rle(self):
image = Image.new('1', (3, 3), 0)
# 3x3 checkerboard
draw = ImageDraw.Draw(image)
draw.point((0, 0), 1)
draw.point((2, 0), 1)
draw.point((1, 1), 1)
draw.point((0, 2), 1)
draw.point((2, 2), 1)
n_bytes, rle = image_encoding.rle_from_bw(image)
self.assertEqual(
rle, b'\x01\x09\x00\x00\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01')
self.assertEquals(n_bytes, 9)
def _payload_from_pixels(pixels):
"""
:returns: binary payload to be embedded in full message.
"""
pixel_count, rle_pixels = image_encoding.rle_from_bw(pixels)
return _encode_pixels(pixel_count, rle_pixels)
def _payload_from_pixels(pixels):
"""
:returns: binary payload to be embedded in full message.
"""
pixel_count, rle_pixels = image_encoding.rle_from_bw(pixels)
return _encode_pixels(pixel_count, rle_pixels)
def test_default_pipeline(self):
n_bytes, _ = image_encoding.rle_from_bw(
image_encoding.default_pipeline(''))
self.assertEquals(n_bytes, 3072)
def test_default_pipeline(self):
n_bytes, _ = image_encoding.rle_from_bw(
image_encoding.default_pipeline('')
)
self.assertEquals(n_bytes, 3072)
def test_default_pipeline(self):
n_bytes, _ = image_encoding.rle_from_bw(
image_encoding.default_pipeline(
'<html><body style="margin: 0px; height: 10px;"></body></html>'
))
self.assertEquals(n_bytes, 3840)