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Resizing images is an important topic when we need to display images which do not match with the intended display size. For example, rendering much large images in a small rectangle. UIImageView supports scaling images automatically but that becomes inefficient when dealing with larger images. In this blog post we'll take a look on how …
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Loading an image and displaying it on a screen consists of several steps. Firstly, we need to load the image data into memory, then decoding it to pixel data and finally, telling GPU to display it on screen. The whole process can be as short as two lines of code: creating an instance of UIImage …
Storing data persistently on iOS is something what is needed quite often. In this post, we are going to look into how to build a persistent data store and how to store image data. Initialising the persistent data store Persistent data store is an object managing a folder on disk. It allows writing and reading …
