Python PIL.ImageOps.colorize() Examples
The following are 12
code examples of PIL.ImageOps.colorize().
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Example #1
| Source File: __init__.py From pibooth with MIT License | 6 votes |
|
def colorize_pil_image(pil_image, color, bg_color=None):
"""Convert a picto in white to the corresponding color.
:param pil_image: PIL image to be colorized
:type pil_image: :py:class:`PIL.Image`
:param color: RGB color to convert the picto
:type color: tuple
:param bg_color: RGB color to use for the picto's background
:type bg_color: tuple
"""
if not bg_color:
bg_color = (abs(color[0] - 255), abs(color[1] - 255), abs(color[2] - 255))
_, _, _, alpha = pil_image.split()
gray_pil_image = pil_image.convert('L')
new_pil_image = ImageOps.colorize(gray_pil_image, black=bg_color, white=color)
new_pil_image.putalpha(alpha)
return new_pil_image
Example #2
| Source File: drawing.py From swmmio with MIT License | 6 votes |
|
def annotate_streets(df, img, text_col):
# confirm font file location
if not os.path.exists(FONT_PATH):
print('Error loading default font. Check your FONT_PATH')
return None
unique_sts = df[text_col].unique()
for street in unique_sts:
draw_coords = df.loc[df.ST_NAME == street, 'draw_coords'].tolist()[0]
coords = df.loc[df.ST_NAME == street, 'coords'].tolist()[0]
font = ImageFont.truetype(FONT_PATH, int(25))
imgTxt = Image.new('L', font.getsize(street))
drawTxt = ImageDraw.Draw(imgTxt)
drawTxt.text((0, 0), street, font=font, fill=(10, 10, 12))
angle = angle_bw_points(coords[0], coords[1])
texrot = imgTxt.rotate(angle, expand=1)
mpt = midpoint(draw_coords[0], draw_coords[1])
img.paste(ImageOps.colorize(texrot, (0, 0, 0), (10, 10, 12)), mpt, texrot)
Example #3
| Source File: test_imageops.py From python3_ios with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def test_colorize_2color(self):
# Test the colorizing function with 2-color functionality
# Open test image (256px by 10px, black to white)
im = Image.open("Tests/images/bw_gradient.png")
im = im.convert("L")
# Create image with original 2-color functionality
im_test = ImageOps.colorize(im, 'red', 'green')
# Test output image (2-color)
left = (0, 1)
middle = (127, 1)
right = (255, 1)
self.assert_tuple_approx_equal(im_test.getpixel(left),
(255, 0, 0),
threshold=1,
msg='black test pixel incorrect')
self.assert_tuple_approx_equal(im_test.getpixel(middle),
(127, 63, 0),
threshold=1,
msg='mid test pixel incorrect')
self.assert_tuple_approx_equal(im_test.getpixel(right),
(0, 127, 0),
threshold=1,
msg='white test pixel incorrect')
Example #4
| Source File: test_imageops.py From python3_ios with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def test_colorize_2color_offset(self):
# Test the colorizing function with 2-color functionality and offset
# Open test image (256px by 10px, black to white)
im = Image.open("Tests/images/bw_gradient.png")
im = im.convert("L")
# Create image with original 2-color functionality with offsets
im_test = ImageOps.colorize(im,
black='red',
white='green',
blackpoint=50,
whitepoint=100)
# Test output image (2-color) with offsets
left = (25, 1)
middle = (75, 1)
right = (125, 1)
self.assert_tuple_approx_equal(im_test.getpixel(left),
(255, 0, 0),
threshold=1,
msg='black test pixel incorrect')
self.assert_tuple_approx_equal(im_test.getpixel(middle),
(127, 63, 0),
threshold=1,
msg='mid test pixel incorrect')
self.assert_tuple_approx_equal(im_test.getpixel(right),
(0, 127, 0),
threshold=1,
msg='white test pixel incorrect')
Example #5
| Source File: __init__.py From margipose with Apache License 2.0 | 5 votes |
|
def random_texture():
files = list(iglob('resources/textures/*.png'))
file = files[np.random.randint(0, len(files))]
texture = Image.open(file).convert('L')
texture = ImageOps.colorize(
texture,
'black',
(np.random.randint(50, 256), np.random.randint(50, 256), np.random.randint(50, 256))
)
return texture
Example #6
| Source File: icon_factory.py From gd.py with MIT License | 5 votes |
|
def apply_color(image: ImageType, color: Tuple[int, int, int]) -> ImageType:
# [r, g, b, a][3] -> a
alpha = image.split()[3]
colored = ImageOps.colorize(ImageOps.grayscale(image), white=color, black="black")
colored.putalpha(alpha)
return colored
Example #7
| Source File: deepfry.py From BotHub with Apache License 2.0 | 5 votes |
|
def deepfry(img: Image) -> Image:
colours = (
(randint(50, 200), randint(40, 170), randint(40, 190)),
(randint(190, 255), randint(170, 240), randint(180, 250))
)
img = img.copy().convert("RGB")
# Crush image to hell and back
img = img.convert("RGB")
width, height = img.width, img.height
img = img.resize((int(width ** uniform(0.8, 0.9)), int(height ** uniform(0.8, 0.9))), resample=Image.LANCZOS)
img = img.resize((int(width ** uniform(0.85, 0.95)), int(height ** uniform(0.85, 0.95))), resample=Image.BILINEAR)
img = img.resize((int(width ** uniform(0.89, 0.98)), int(height ** uniform(0.89, 0.98))), resample=Image.BICUBIC)
img = img.resize((width, height), resample=Image.BICUBIC)
img = ImageOps.posterize(img, randint(3, 7))
# Generate colour overlay
overlay = img.split()[0]
overlay = ImageEnhance.Contrast(overlay).enhance(uniform(1.0, 2.0))
overlay = ImageEnhance.Brightness(overlay).enhance(uniform(1.0, 2.0))
overlay = ImageOps.colorize(overlay, colours[0], colours[1])
# Overlay red and yellow onto main image and sharpen the hell out of it
img = Image.blend(img, overlay, uniform(0.1, 0.4))
img = ImageEnhance.Sharpness(img).enhance(randint(5, 300))
return img
Example #8
| Source File: deepfryer.py From X-tra-Telegram with Apache License 2.0 | 5 votes |
|
def deepfry(img: Image) -> Image:
colours = (
(randint(50, 200), randint(40, 170), randint(40, 190)),
(randint(190, 255), randint(170, 240), randint(180, 250))
)
img = img.copy().convert("RGB")
# Crush image to hell and back
img = img.convert("RGB")
width, height = img.width, img.height
img = img.resize((int(width ** uniform(0.8, 0.9)), int(height ** uniform(0.8, 0.9))), resample=Image.LANCZOS)
img = img.resize((int(width ** uniform(0.85, 0.95)), int(height ** uniform(0.85, 0.95))), resample=Image.BILINEAR)
img = img.resize((int(width ** uniform(0.89, 0.98)), int(height ** uniform(0.89, 0.98))), resample=Image.BICUBIC)
img = img.resize((width, height), resample=Image.BICUBIC)
img = ImageOps.posterize(img, randint(3, 7))
# Generate colour overlay
overlay = img.split()[0]
overlay = ImageEnhance.Contrast(overlay).enhance(uniform(1.0, 2.0))
overlay = ImageEnhance.Brightness(overlay).enhance(uniform(1.0, 2.0))
overlay = ImageOps.colorize(overlay, colours[0], colours[1])
# Overlay red and yellow onto main image and sharpen the hell out of it
img = Image.blend(img, overlay, uniform(0.1, 0.4))
img = ImageEnhance.Sharpness(img).enhance(randint(5, 300))
return img
Example #9
| Source File: lambda_function.py From lambda-apigateway-twilio-tutorial with Apache License 2.0 | 5 votes |
|
def sample_filter(im):
'''
A simple filter to be applied to the image
'''
black = "#000099"
white= "#99CCFF"
filter_image = ImageOps.colorize(ImageOps.grayscale(im), black, white)
return filter_image
Example #10
| Source File: Utils.py From script.toolbox with GNU General Public License v2.0 | 5 votes |
|
def image_recolorize(src, black="#000099", white="#99CCFF"):
# img = image_recolorize(img, black="#000000", white="#FFFFFF")
"""
Returns a recolorized version of the initial image using a two-tone
approach. The color in the black argument is used to replace black pixels
and the color in the white argument is used to replace white pixels.
The defaults set the image to a blue hued image.
"""
return ImageOps.colorize(ImageOps.grayscale(src), black, white)
Example #11
| Source File: test_imageops.py From python3_ios with BSD 3-Clause "New" or "Revised" License | 4 votes |
|
def test_sanity(self):
ImageOps.autocontrast(hopper("L"))
ImageOps.autocontrast(hopper("RGB"))
ImageOps.autocontrast(hopper("L"), cutoff=10)
ImageOps.autocontrast(hopper("L"), ignore=[0, 255])
ImageOps.colorize(hopper("L"), (0, 0, 0), (255, 255, 255))
ImageOps.colorize(hopper("L"), "black", "white")
ImageOps.pad(hopper("L"), (128, 128))
ImageOps.pad(hopper("RGB"), (128, 128))
ImageOps.crop(hopper("L"), 1)
ImageOps.crop(hopper("RGB"), 1)
ImageOps.deform(hopper("L"), self.deformer)
ImageOps.deform(hopper("RGB"), self.deformer)
ImageOps.equalize(hopper("L"))
ImageOps.equalize(hopper("RGB"))
ImageOps.expand(hopper("L"), 1)
ImageOps.expand(hopper("RGB"), 1)
ImageOps.expand(hopper("L"), 2, "blue")
ImageOps.expand(hopper("RGB"), 2, "blue")
ImageOps.fit(hopper("L"), (128, 128))
ImageOps.fit(hopper("RGB"), (128, 128))
ImageOps.flip(hopper("L"))
ImageOps.flip(hopper("RGB"))
ImageOps.grayscale(hopper("L"))
ImageOps.grayscale(hopper("RGB"))
ImageOps.invert(hopper("L"))
ImageOps.invert(hopper("RGB"))
ImageOps.mirror(hopper("L"))
ImageOps.mirror(hopper("RGB"))
ImageOps.posterize(hopper("L"), 4)
ImageOps.posterize(hopper("RGB"), 4)
ImageOps.solarize(hopper("L"))
ImageOps.solarize(hopper("RGB"))
ImageOps.exif_transpose(hopper("L"))
ImageOps.exif_transpose(hopper("RGB"))
Example #12
| Source File: test_imageops.py From python3_ios with BSD 3-Clause "New" or "Revised" License | 4 votes |
|
def test_colorize_3color_offset(self):
# Test the colorizing function with 3-color functionality and offset
# Open test image (256px by 10px, black to white)
im = Image.open("Tests/images/bw_gradient.png")
im = im.convert("L")
# Create image with new three color functionality with offsets
im_test = ImageOps.colorize(im,
black='red',
white='green',
mid='blue',
blackpoint=50,
whitepoint=200,
midpoint=100)
# Test output image (3-color) with offsets
left = (25, 1)
left_middle = (75, 1)
middle = (100, 1)
right_middle = (150, 1)
right = (225, 1)
self.assert_tuple_approx_equal(im_test.getpixel(left),
(255, 0, 0),
threshold=1,
msg='black test pixel incorrect')
self.assert_tuple_approx_equal(im_test.getpixel(left_middle),
(127, 0, 127),
threshold=1,
msg='low-mid test pixel incorrect')
self.assert_tuple_approx_equal(im_test.getpixel(middle),
(0, 0, 255),
threshold=1,
msg='mid incorrect')
self.assert_tuple_approx_equal(im_test.getpixel(right_middle),
(0, 63, 127),
threshold=1,
msg='high-mid test pixel incorrect')
self.assert_tuple_approx_equal(im_test.getpixel(right),
(0, 127, 0),
threshold=1,
msg='white test pixel incorrect')
