本文整理匯總了Python中PIL.ImageChops.invert方法的典型用法代碼示例。如果您正苦於以下問題：Python ImageChops.invert方法的具體用法？Python ImageChops.invert怎麽用？Python ImageChops.invert使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類PIL.ImageChops的用法示例。
在下文中一共展示了ImageChops.invert方法的5個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: test_sanity
# 需要導入模塊: from PIL import ImageChops [as 別名]
# 或者: from PIL.ImageChops import invert [as 別名]
def test_sanity(self):
im = hopper("L")
ImageChops.constant(im, 128)
ImageChops.duplicate(im)
ImageChops.invert(im)
ImageChops.lighter(im, im)
ImageChops.darker(im, im)
ImageChops.difference(im, im)
ImageChops.multiply(im, im)
ImageChops.screen(im, im)
ImageChops.add(im, im)
ImageChops.add(im, im, 2.0)
ImageChops.add(im, im, 2.0, 128)
ImageChops.subtract(im, im)
ImageChops.subtract(im, im, 2.0)
ImageChops.subtract(im, im, 2.0, 128)
ImageChops.add_modulo(im, im)
ImageChops.subtract_modulo(im, im)
ImageChops.blend(im, im, 0.5)
ImageChops.composite(im, im, im)
ImageChops.offset(im, 10)
ImageChops.offset(im, 10, 20) 示例2: test_invert
# 需要導入模塊: from PIL import ImageChops [as 別名]
# 或者: from PIL.ImageChops import invert [as 別名]
def test_invert(self):
# Arrange
im = Image.open("Tests/images/imagedraw_floodfill_RGB.png")
# Act
new = ImageChops.invert(im)
# Assert
self.assertEqual(new.getbbox(), (0, 0, 100, 100))
self.assertEqual(new.getpixel((0, 0)), WHITE)
self.assertEqual(new.getpixel((50, 50)), CYAN) 示例3: do_invert
# 需要導入模塊: from PIL import ImageChops [as 別名]
# 或者: from PIL.ImageChops import invert [as 別名]
def do_invert(self):
"""usage: invert <image:pic1>
Invert the top image.
"""
from PIL import ImageChops
self.push(ImageChops.invert(self.do_pop())) 示例4: export_image
# 需要導入模塊: from PIL import ImageChops [as 別名]
# 或者: from PIL.ImageChops import invert [as 別名]
def export_image(self, image):
stream = image.stream
filters = stream.get_filters()
(width, height) = image.srcsize
if len(filters) == 1 and filters[0] in LITERALS_DCT_DECODE:
ext = '.jpg'
elif (image.bits == 1 or
image.bits == 8 and image.colorspace in (LITERAL_DEVICE_RGB, LITERAL_DEVICE_GRAY)):
ext = '.%dx%d.bmp' % (width, height)
else:
ext = '.%d.%dx%d.img' % (image.bits, width, height)
name = image.name+ext
path = os.path.join(self.outdir, name)
fp = file(path, 'wb')
if ext == '.jpg':
raw_data = stream.get_rawdata()
if LITERAL_DEVICE_CMYK in image.colorspace:
from PIL import Image
from PIL import ImageChops
ifp = cStringIO.StringIO(raw_data)
i = Image.open(ifp)
i = ImageChops.invert(i)
i = i.convert('RGB')
i.save(fp, 'JPEG')
else:
fp.write(raw_data)
elif image.bits == 1:
bmp = BMPWriter(fp, 1, width, height)
data = stream.get_data()
i = 0
width = (width+7)//8
for y in xrange(height):
bmp.write_line(y, data[i:i+width])
i += width
elif image.bits == 8 and image.colorspace is LITERAL_DEVICE_RGB:
bmp = BMPWriter(fp, 24, width, height)
data = stream.get_data()
i = 0
width = width*3
for y in xrange(height):
bmp.write_line(y, data[i:i+width])
i += width
elif image.bits == 8 and image.colorspace is LITERAL_DEVICE_GRAY:
bmp = BMPWriter(fp, 8, width, height)
data = stream.get_data()
i = 0
for y in xrange(height):
bmp.write_line(y, data[i:i+width])
i += width
else:
fp.write(stream.get_data())
fp.close()
return name 示例5: export_image
# 需要導入模塊: from PIL import ImageChops [as 別名]
# 或者: from PIL.ImageChops import invert [as 別名]
def export_image(self, image):
stream = image.stream
filters = stream.get_filters()
(width, height) = image.srcsize
if len(filters) == 1 and filters[0][0] in LITERALS_DCT_DECODE:
ext = '.jpg'
elif (image.bits == 1 or
image.bits == 8 and image.colorspace in (LITERAL_DEVICE_RGB, LITERAL_DEVICE_GRAY)):
ext = '.%dx%d.bmp' % (width, height)
else:
ext = '.%d.%dx%d.img' % (image.bits, width, height)
name = image.name+ext
path = os.path.join(self.outdir, name)
fp=open(path, 'wb')
if ext == '.jpg':
raw_data = stream.get_rawdata()
if LITERAL_DEVICE_CMYK in image.colorspace:
from PIL import Image
from PIL import ImageChops
ifp = BytesIO(raw_data)
i = Image.open(ifp)
i = ImageChops.invert(i)
i = i.convert('RGB')
i.save(fp, 'JPEG')
else:
fp.write(raw_data)
elif image.bits == 1:
bmp = BMPWriter(fp, 1, width, height)
data = stream.get_data()
i = 0
width = (width+7)//8
for y in range(height):
bmp.write_line(y, data[i:i+width])
i += width
elif image.bits == 8 and image.colorspace is LITERAL_DEVICE_RGB:
bmp = BMPWriter(fp, 24, width, height)
data = stream.get_data()
i = 0
width = width*3
for y in range(height):
bmp.write_line(y, data[i:i+width])
i += width
elif image.bits == 8 and image.colorspace is LITERAL_DEVICE_GRAY:
bmp = BMPWriter(fp, 8, width, height)
data = stream.get_data()
i = 0
for y in range(height):
bmp.write_line(y, data[i:i+width])
i += width
else:
fp.write(stream.get_data())
fp.close()
return name