Shadow Buttons: Exposing WIMP Functionality While Preserving the Inking Surface in Sketch-Based Interfaces.

Diane Marinkas Robert C. Zeleznik Joseph J. LaViola Jr. Shadow Buttons: Exposing WIMP Functionality While Preserving the Inking Surface in Sketch-Based Interfaces. 159-164 2009 SBM http://dx.doi.org/10.2312/SBM/SBM09/159-164 conf/sbm/2009 db/conf/sbm/sbm2009.html#MarinkasZL09