Summary
This chapter described basic image handling, including how to load and display an image, how to specify a content mode to adjust how an image is displayed, and how to create a stretchable image to reuse a source image for elements of different sizes. It demonstrated how to get an image from the user’s photo library or from the camera, and how to customize the image picker with options such as which albums to use and whether to allow cropping the selected image. It also explained how to resize an image.
Then, this chapter explained how to make use of Core Image filters, including how to get information about the available filters and filter categories, how to apply a filter to an image, and how to chain filters together to achieve interesting ...
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