Signature Box that Makes the Signature Look Right

Introduction

Have you ever noticed how childish and imprecise your signature looks when you write your name in a handheld signature box? The small size of the stylus compared to a standard pen, the nearly frictionless stylus-on-touch-screen interaction and the fact that the handheld is often hanging in the air instead of firmly lying on a table are three physical explanations for these ugly signatures. Another reason is the frequent input errors that are sent to your control from the touch screen. Those errors may vary between 1 and 4 pixels. Unnoticeable when clicking in the middle of a button, they are a pest when sampled in a signature box. By lowering the sampling rate and using Bézier curve interpolation, it's possible to reduce the impact of all these factors.

Read more: Codeproject

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