TOUCH SCREEN DISPLAY USER INTERFACE AND METHOD FOR IMPROVING TOUCH INTERFACE UTILITY ON THE SAME EMPLOYING A RULES-BASED MASKING SYSTEM

Disclosed are methods and systems for improving touch utility on a touch screen display user interface providing a rule-based mask that enables or limits a function in a way that allows a user or developer to enhance precision or efficiency of input, or to create a unique modality of input. A method of touch-based user interaction with a touch screen device includes providing a virtual mask overlaying one or more of a plurality of virtual objects on the touch screen device and defining a mask area, sensing a touch within the mask area, the touch generating a touch data signal, and applying one or more combination of interaction, graphical rendering and/or visual feedback rules to the touch data signal and graphical objects. The interaction, graphical rendering and visual feedback rules can exist individually or in combination.