iOS provides two primary paths for drawing and printing: one is OpenGL ES; the other is the native rendering, such as Quartz, Core Animation, and UIKit.7 OpenGL ES (Open Graphics Library for Embedded Systems) is a graphics library that is used to render sophisticated 3D graphics on mobile devices (Chehimi et al., 2008; Munshi et al., 2008). Quartz is a 2-dimensional drawing engine that provides native rendering. It provides “low-level lightweight 2D rendering with unmatched output fidelity regardless of display or printing device.”