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Hardware-accelerated drawing functionalities
The draw module provides functionalities that are exclusively 2D-oriented in order to draw on the screen or anything that is conceptually a 2D array of pixels such as images.
It’s an abstraction over OpenGL ES 3.2 which became the standard to perform hardware-accelerated rendering because it’s supported on all major platforms (including the web) and is pretty much the only option. Therefore, you can use this module without worrying about the underlying rendering mechanism; it will pick up what is available, whether it’s actually hardware accelerated or software emulated, and work.
The goal is to provide a ‘quick to use and manage’ interface to the powerful rendering arsenal that OpenGL is, while giving the opportunity to more experimented programmer to combine it with direct OpenGL code later, when the need arises.
Obviously, very high-demanding programs that require fine-control over the graphical operations doesn’t fit the scope of this module and they will be better off without it. That said, not everybody can afford that level of optimization and most of people will find in this module a comfortable spot to work with and extend later.
It was heavily inspired from the SFML graphics module. The main difference is that it reflects modern OpenGL programming, some concepts are re-arranged and renamed, and it has a rusty interface.