CGColorSpaceCreateDeviceRGB
CGColorSpaceCr is a concept related to color management within Apple's Core Graphics framework. It refers to a device-dependent color space, meaning its representation of colors is tied to the specific characteristics of a particular output device, such as a monitor or printer. Unlike device-independent color spaces like CIE XYZ or sRGB, which aim to define colors in a way that is consistent across different devices, a CGColorSpaceCr describes colors using values that are interpreted relative to the capabilities of the device it's associated with.
When working with images and graphics in macOS and iOS, developers often need to manage how colors