Add documentation to Image module

This commit is contained in:
abojja9 2019-04-06 13:42:22 -07:00
parent 2f13422537
commit c4daa87415
2 changed files with 90 additions and 0 deletions

3
.gitignore vendored
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@ -67,6 +67,9 @@ docs/_build/
\#*# \#*#
.#* .#*
#VS Code
.vscode
#Komodo #Komodo
*.komodoproject *.komodoproject

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@ -121,10 +121,58 @@ ITU-R 709, using the D65 luminant) to the CIE XYZ color space:
.. automethod:: PIL.Image.Image.copy .. automethod:: PIL.Image.Image.copy
.. automethod:: PIL.Image.Image.crop .. automethod:: PIL.Image.Image.crop
The following script crops the input image with the provided coordinates:
.. code-block:: python
from PIL import Image
im = Image.open('cat.jpg')
# crop method from Image module takes four coordinates as input.
# The right can also be represented as (left+width)
# and lower can be represented as (upper+height)
(left, upper, right, lower) = (200, 20, 520, 260)
# Here the image "im" is cropped and assiged to new variable im_crop
im_crop = im.crop((left, upper, right, lower))
.. automethod:: PIL.Image.Image.draft .. automethod:: PIL.Image.Image.draft
.. automethod:: PIL.Image.Image.filter .. automethod:: PIL.Image.Image.filter
The following script blurs the input image using a filter from ImageFilter module:
.. code-block:: python
from PIL import Image
from PIL import ImageFilter
im = Image.open('cat.jpg')
# Blur the input image using the filter ImageFilter.BLUR.
im_blurred = im.filter(filter=ImageFilter.BLUR)
.. automethod:: PIL.Image.Image.getbands .. automethod:: PIL.Image.Image.getbands
The following script helps to get the bands of the input image:
.. code-block:: python
from PIL import Image
im = Image.open('cat.jpg')
print (im.getbands()) # Returns ('R', 'G', 'B')
.. automethod:: PIL.Image.Image.getbbox .. automethod:: PIL.Image.Image.getbbox
The following script helps to get the bounding box coordinates of the input image:
.. code-block:: python
from PIL import Image
im = Image.open('cat.jpg')
print (im.getbbox())
# Returns four coordinates in the format (left, upper, right, lower)
.. automethod:: PIL.Image.Image.getcolors .. automethod:: PIL.Image.Image.getcolors
.. automethod:: PIL.Image.Image.getdata .. automethod:: PIL.Image.Image.getdata
.. automethod:: PIL.Image.Image.getextrema .. automethod:: PIL.Image.Image.getextrema
@ -140,8 +188,33 @@ ITU-R 709, using the D65 luminant) to the CIE XYZ color space:
.. automethod:: PIL.Image.Image.putpixel .. automethod:: PIL.Image.Image.putpixel
.. automethod:: PIL.Image.Image.quantize .. automethod:: PIL.Image.Image.quantize
.. automethod:: PIL.Image.Image.resize .. automethod:: PIL.Image.Image.resize
The following script resizes the given image from (width, height) to (width/2, height/2):
.. code-block:: python
from PIL import Image
im = Image.open('cat.jpg')
# Provide the target width and height of the image
(width, height) = (width//2, height//2)
im_resized = im.resize((width, height))
.. automethod:: PIL.Image.Image.remap_palette .. automethod:: PIL.Image.Image.remap_palette
.. automethod:: PIL.Image.Image.rotate .. automethod:: PIL.Image.Image.rotate
The following script rotates the input image by `theta` degrees counter clockwise:
.. code-block:: python
from PIL import Image
im = Image.open('cat.jpg')
# Rotate the image by 60 degrees counter clockwise.
theta = 60
# Angle is in degrees counter clockwise.
im_rotated = im.rotate(angle=theta)
.. automethod:: PIL.Image.Image.save .. automethod:: PIL.Image.Image.save
.. automethod:: PIL.Image.Image.seek .. automethod:: PIL.Image.Image.seek
.. automethod:: PIL.Image.Image.show .. automethod:: PIL.Image.Image.show
@ -154,6 +227,20 @@ ITU-R 709, using the D65 luminant) to the CIE XYZ color space:
.. automethod:: PIL.Image.Image.tostring .. automethod:: PIL.Image.Image.tostring
.. automethod:: PIL.Image.Image.transform .. automethod:: PIL.Image.Image.transform
.. automethod:: PIL.Image.Image.transpose .. automethod:: PIL.Image.Image.transpose
The following script flips the input image by using the method "Image.FLIP_LEFT_RIGHT".
.. code-block:: python
from PIL import Image
im = Image.open('cat.jpg')
# Flip the image from left to right
im_flipped = im.transpose(method=Image.FLIP_LEFT_RIGHT)
# To flip the image from top to bottom,
# use the method "Image.FLIP_TOP_BOTTOM"
.. automethod:: PIL.Image.Image.verify .. automethod:: PIL.Image.Image.verify
.. automethod:: PIL.Image.Image.fromstring .. automethod:: PIL.Image.Image.fromstring