Transforming Images5:06 with Kenneth Love
Now that we can open and show images, we should start looking at how to transform them.
External libraries installation guide. These are libraries you may need to install before you can open up specific image types on your computer.
Common terms and methods
Image - Class for accessing images.
.open(path) - Open an image for manipulation
.rotate(angle, resample=0, expand=0) - Rotate an image by
angle degrees. If you set
True, the resulting image will be big enough to view the entire original image.
.resize(size, resample=0) - Resize an image to the width and height specified in a tuple like
.thumbnail(size, resample=1) - Resize an image so it fits within the width and height provided in the
thumbnail changes the
Image instance and doesn't return a new image.
.copy() - Copies the image to a new variable.
.crop(box=None) - Cuts out the specified box from the image. The box is a tuple of four numbers in the following format:
(left, top, right, bottom).
.save(file, format=None, **params) - Save the
Image to a new or existing file name or file object.
format lets you override the format of the image.
.paste(image, box=None, mode=None) - Pastes an
Image into another
Image. The pasted region must fit totally within the bounds of the pasted-into
Image. It'll be placed into the provided
.transpose(method) - Let's you apply some preset rotations and reflections to images.
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