Improve the blitting, use memcpy for each row
Improve the blitting, use memcpy for each row

Change-Id: Idfc5efe8b2326748670fec82a7780f81b243dbc8

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core