Post by Omar Rizwan (@omar@social.omar.website)

Images in every programming language feel like how people joke about strings in Rust, where there are 800 different types of image that represent different kinds of views and ownership statuses and compression and memory layout (and you get different types of image from network / file / GPU / screen / 2D draw calls and are constantly converting between them to get stuff done)

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Omar Rizwan @omar

or trying to defer or cache or batch the conversion in smart ways that are extremely application-specific

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Omar Rizwan @omar

:' )

Although a CIImage object has image data associated with it, it is not an image. You can think of a CIImage object as an image “recipe.” A CIImage object has all the information necessary to produce an image, but Core Image doesn’t actually render an image until it is told to do so. This lazy evaluation allows Core Image to operate as efficiently as possible.

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