Python PIL.ImageOps方法代码示例

# 需要导入模块: import PIL [as 别名]
# 或者: from PIL import ImageOps [as 别名]
def pad(self, image, *args, **kwargs):
        """ Calls ``PIL.ImageOps.expand``.

        For more details see `<http://pillow.readthedocs.io/en/stable/reference/ImageOps.html#PIL.ImageOps.expand>`_.

        Parameters
        ----------
        offset : sequence
            Size of the borders in pixels. The order is (left, top, right, bottom).
        mode : {'const', 'wrap'}
            Filling mode
        src : str
            Component to get images from. Default is 'images'.
        dst : str
            Component to write images to. Default is 'images'.
        p : float
            Probability of applying the transform. Default is 1.
        """
        return PIL.ImageOps.expand(image, *args, **kwargs) 

# 需要导入模块: import PIL [as 别名]
# 或者: from PIL import ImageOps [as 别名]
def flip(self, image, mode='lr'):
        """ Flips image.

        Parameters
        ----------
        mode : {'lr', 'ud'}

            - 'lr' - apply the left/right flip
            - 'ud' - apply the upside/down flip
        src : str
            Component to get images from. Default is 'images'.
        dst : str
            Component to write images to. Default is 'images'.
        p : float
            Probability of applying the transform. Default is 1.
        """
        if mode == 'lr':
            return PIL.ImageOps.mirror(image)
        return PIL.ImageOps.flip(image) 

# 需要导入模块: import PIL [as 别名]
# 或者: from PIL import ImageOps [as 别名]
def posterize(self, image, bits=4):
        """ Posterizes image.

        More concretely, it quantizes pixels' values so that they have``2^bits`` colors

        Parameters
        ----------
        bits : int
            Number of bits used to store a color's component.
        src : str
            Component to get images from. Default is 'images'.
        dst : str
            Component to write images to. Default is 'images'.
        p : float
            Probability of applying the transform. Default is 1.
        """
        return PIL.ImageOps.posterize(image, bits) 

# 需要导入模块: import PIL [as 别名]
# 或者: from PIL import ImageOps [as 别名]
def generate_ascii(self, image):
		font = PIL.ImageFont.truetype(self.files_path('FreeMonoBold.ttf'), 15, encoding="unic")
		image_width, image_height = image.size
		aalib_screen_width= int(image_width/24.9)*10
		aalib_screen_height= int(image_height/41.39)*10
		screen = aalib.AsciiScreen(width=aalib_screen_width, height=aalib_screen_height)
		im = image.convert("L").resize(screen.virtual_size)
		screen.put_image((0,0), im)
		y = 0
		how_many_rows = len(screen.render().splitlines()) 
		new_img_width, font_size = font.getsize(screen.render().splitlines()[0])
		img = PIL.Image.new("RGBA", (new_img_width, how_many_rows*15), (255,255,255))
		draw = PIL.ImageDraw.Draw(img)
		for lines in screen.render().splitlines():
			draw.text((0,y), lines, (0,0,0), font=font)
			y = y + 15
		imagefit = PIL.ImageOps.fit(img, (image_width, image_height), PIL.Image.ANTIALIAS)
		return imagefit 

# 需要导入模块: import PIL [as 别名]
# 或者: from PIL import ImageOps [as 别名]
def do_waaw(self, b):
		f = BytesIO()
		f2 = BytesIO()
		with wand.image.Image(file=b, format='png') as img:
			h1 = img.clone()
			width = int(img.width/2) if int(img.width/2) > 0 else 1
			h1.crop(width=width, height=int(img.height), gravity='east')
			h2 = h1.clone()
			h1.rotate(degree=180)
			h1.flip()
			h1.save(file=f)
			h2.save(file=f2)
		f.seek(0)
		f2.seek(0)
		list_im = [f2, f]
		imgs = [PIL.ImageOps.mirror(PIL.Image.open(i).convert('RGBA')) for i in list_im]
		min_shape = sorted([(np.sum(i.size), i.size) for i in imgs])[0][1]
		imgs_comb = np.hstack((np.asarray(i.resize(min_shape)) for i in imgs))
		imgs_comb = PIL.Image.fromarray(imgs_comb)
		final = BytesIO()
		imgs_comb.save(final, 'png')
		final.seek(0)
		return final

	#Thanks to Iguniisu#9746 for the idea 

# 需要导入模块: import PIL [as 别名]
# 或者: from PIL import ImageOps [as 别名]
def do_haah(self, b):
		f = BytesIO()
		f2 = BytesIO()
		with wand.image.Image(file=b, format='png') as img:
			h1 = img.clone()
			h1.transform('50%x100%')
			h2 = h1.clone()
			h2.rotate(degree=180)
			h2.flip()
			h1.save(file=f)
			h2.save(file=f2)
		f.seek(0)
		f2.seek(0)
		list_im = [f2, f]
		imgs = [PIL.ImageOps.mirror(PIL.Image.open(i).convert('RGBA')) for i in list_im]
		min_shape = sorted([(np.sum(i.size), i.size) for i in imgs])[0][1]
		imgs_comb = np.hstack((np.asarray(i.resize(min_shape)) for i in imgs))
		imgs_comb = PIL.Image.fromarray(imgs_comb)
		final = BytesIO()
		imgs_comb.save(final, 'png')
		final.seek(0)
		return final 

# 需要导入模块: import PIL [as 别名]
# 或者: from PIL import ImageOps [as 别名]
def AutoContrast(img, _):
    return PIL.ImageOps.autocontrast(img) 

# 需要导入模块: import PIL [as 别名]
# 或者: from PIL import ImageOps [as 别名]
def Invert(img, _):
    return PIL.ImageOps.invert(img) 

# 需要导入模块: import PIL [as 别名]
# 或者: from PIL import ImageOps [as 别名]
def Equalize(img, _):
    return PIL.ImageOps.equalize(img) 

# 需要导入模块: import PIL [as 别名]
# 或者: from PIL import ImageOps [as 别名]
def Flip(img, _):  # not from the paper
    return PIL.ImageOps.mirror(img) 

# 需要导入模块: import PIL [as 别名]
# 或者: from PIL import ImageOps [as 别名]
def Solarize(img, v):  # [0, 256]
    assert 0 <= v <= 256
    return PIL.ImageOps.solarize(img, v) 

# 需要导入模块: import PIL [as 别名]
# 或者: from PIL import ImageOps [as 别名]
def Posterize2(img, v):  # [0, 4]
    assert 0 <= v <= 4
    v = int(v)
    return PIL.ImageOps.posterize(img, v) 

# 需要导入模块: import PIL [as 别名]
# 或者: from PIL import ImageOps [as 别名]
def Posterize(img, v):  # [4, 8]
    #assert 4 <= v <= 8
    v = int(v)
    return PIL.ImageOps.posterize(img, v) 

# 需要导入模块: import PIL [as 别名]
# 或者: from PIL import ImageOps [as 别名]
def AutoContrast(img, **kwarg):
    return PIL.ImageOps.autocontrast(img) 

# 需要导入模块: import PIL [as 别名]
# 或者: from PIL import ImageOps [as 别名]
def Equalize(img, **kwarg):
    return PIL.ImageOps.equalize(img)