UIImageRenderingModeAlwaysTemplate

UIImageRenderer is a class in the UIKit framework of Apple's iOS operating system. It is designed to facilitate the rendering of images from various sources, such as views, layers, or other images. The primary purpose of UIImageRenderer is to provide a consistent and efficient way to generate UIImage objects, which can then be used throughout an iOS application.

One of the key features of UIImageRenderer is its ability to render images at different scales, which is particularly useful for supporting devices with varying screen resolutions. By specifying the desired scale, developers can ensure that the rendered images are appropriately sized for different display densities, such as the standard, Retina, or Retina HD displays found on iOS devices.

UIImageRenderer also supports the rendering of images with transparency, allowing developers to create images with varying levels of opacity. This can be particularly useful for creating custom UI elements or animations that require partial transparency.

In addition to rendering images from views and layers, UIImageRenderer can also be used to render images from other UIImage objects. This can be useful for applying filters or transformations to existing images, or for creating composite images by combining multiple sources.

Overall, UIImageRenderer is a powerful and flexible tool for generating images in iOS applications. Its support for different scales, transparency, and image sources makes it a valuable asset for developers looking to create high-quality, visually appealing user interfaces.