Abstract

While the touch screens on mobile devices have penetrated and touched the lifestyle of millions of people, few have realized its potentials and sustainabilities at their finger tips. Resistive or capacitive touch screens are perfect surfaces for artistic expressions such as drawing and painting, all can be accomplished by a fine touch with only one finger, anytime, anywhere, any size. Be it discrete, continuous or compound touch, a discriminative touch is a direct haptic I/O between the human and the device with the touch screen as the surface, finger as the tool and digital palette as the medium. The author had previously used the PC mouse as a tool on the laptop, has explored and investigated the immense possibilities of achieving the same or even better results with the finger on touch screens between mid-2012 to the present on Android smartphone and tablet. This paper demonstrates the articulation and results of freehand finger interaction on drawing and painting any subject matters, from the abstract to the super realistic. It dispels the need of the conventional inapt image editor software with bloated painting tools and use of a stylus pen as a painting vehicle.

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