| 摘要 |
PROBLEM TO BE SOLVED: To provide a terminal device and a system capable of an intuitive and efficient handwriting operation and erasure operation by a finger and a pen onto canvas.SOLUTION: A function attribute of a pen and an eraser (thickness and density of a line, and size of the eraser or the like) is changed according to a touch operation such as travel speed of touch input means and the number of touch points. |
