Technical Manual
Page 48
... GUI is taken (by VideoControl's method 'getSnapshot'), the supported image types are: "encoding=png" and "encoding=jpeg". USE_GUI_PRIMITIVE defines a mode on the screen, then take a picture using VideoControl.getSnapshot (String imageType). This object is defined for initDisplayMode, a GUI primitive will be used to input the sequence to the GUI behaviors specified...
... GUI is taken (by VideoControl's method 'getSnapshot'), the supported image types are: "encoding=png" and "encoding=jpeg". USE_GUI_PRIMITIVE defines a mode on the screen, then take a picture using VideoControl.getSnapshot (String imageType). This object is defined for initDisplayMode, a GUI primitive will be used to input the sequence to the GUI behaviors specified...