我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用PIL.Image.py()。
def multiply(image1, image2): """ Superimposes two images on top of each other. If you multiply an image with a solid black image, the result is black. If you multiply with a solid white image, the image is unaffected. .. code-block:: python out = image1 * image2 / MAX :rtype: :py:class:`~PIL.Image.Image` """ image1.load() image2.load() return image1._new(image1.im.chop_multiply(image2.im))
def constant(image, value): """Fill a channel with a given grey level. :rtype: :py:class:`~PIL.Image.Image` """ return Image.new("L", image.size, value)
def duplicate(image): """Copy a channel. Alias for :py:meth:`PIL.Image.Image.copy`. :rtype: :py:class:`~PIL.Image.Image` """ return image.copy()
def invert(image): """ Invert an image (channel). .. code-block:: python out = MAX - image :rtype: :py:class:`~PIL.Image.Image` """ image.load() return image._new(image.im.chop_invert())
def lighter(image1, image2): """ Compares the two images, pixel by pixel, and returns a new image containing the lighter values. .. code-block:: python out = max(image1, image2) :rtype: :py:class:`~PIL.Image.Image` """ image1.load() image2.load() return image1._new(image1.im.chop_lighter(image2.im))
def darker(image1, image2): """ Compares the two images, pixel by pixel, and returns a new image containing the darker values. .. code-block:: python out = min(image1, image2) :rtype: :py:class:`~PIL.Image.Image` """ image1.load() image2.load() return image1._new(image1.im.chop_darker(image2.im))
def screen(image1, image2): """ Superimposes two inverted images on top of each other. .. code-block:: python out = MAX - ((MAX - image1) * (MAX - image2) / MAX) :rtype: :py:class:`~PIL.Image.Image` """ image1.load() image2.load() return image1._new(image1.im.chop_screen(image2.im))
def add(image1, image2, scale=1.0, offset=0): """ Adds two images, dividing the result by scale and adding the offset. If omitted, scale defaults to 1.0, and offset to 0.0. .. code-block:: python out = ((image1 + image2) / scale + offset) :rtype: :py:class:`~PIL.Image.Image` """ image1.load() image2.load() return image1._new(image1.im.chop_add(image2.im, scale, offset))
def subtract(image1, image2, scale=1.0, offset=0): """ Subtracts two images, dividing the result by scale and adding the offset. If omitted, scale defaults to 1.0, and offset to 0.0. .. code-block:: python out = ((image1 - image2) / scale + offset) :rtype: :py:class:`~PIL.Image.Image` """ image1.load() image2.load() return image1._new(image1.im.chop_subtract(image2.im, scale, offset))
def add_modulo(image1, image2): """Add two images, without clipping the result. .. code-block:: python out = ((image1 + image2) % MAX) :rtype: :py:class:`~PIL.Image.Image` """ image1.load() image2.load() return image1._new(image1.im.chop_add_modulo(image2.im))
def logical_and(image1, image2): """Logical AND between two images. .. code-block:: python out = ((image1 and image2) % MAX) :rtype: :py:class:`~PIL.Image.Image` """ image1.load() image2.load() return image1._new(image1.im.chop_and(image2.im))
def logical_or(image1, image2): """Logical OR between two images. .. code-block:: python out = ((image1 or image2) % MAX) :rtype: :py:class:`~PIL.Image.Image` """ image1.load() image2.load() return image1._new(image1.im.chop_or(image2.im))
def logical_xor(image1, image2): """Logical XOR between two images. .. code-block:: python out = ((bool(image1) != bool(image2)) % MAX) :rtype: :py:class:`~PIL.Image.Image` """ image1.load() image2.load() return image1._new(image1.im.chop_xor(image2.im))
def blend(image1, image2, alpha): """Blend images using constant transparency weight. Alias for :py:meth:`PIL.Image.Image.blend`. :rtype: :py:class:`~PIL.Image.Image` """ return Image.blend(image1, image2, alpha)
def composite(image1, image2, mask): """Create composite using transparency mask. Alias for :py:meth:`PIL.Image.Image.composite`. :rtype: :py:class:`~PIL.Image.Image` """ return Image.composite(image1, image2, mask)
