090924_libmp_能够画出24、8、4位图，但不能画出2位图
..................................................\draw_bmp.c
..................................................\draw_bmp.h
..................................................\draw_bmp.o
..................................................\lib_type.h
..................................................\logo2.bmp
..................................................\logo24.bmp
..................................................\logo4.bmp
..................................................\logo8.bmp
..................................................\main_test
..................................................\main_test.c
..................................................\main_test.o
..................................................\makefile
..................................................\read_bmp.c
..................................................\read_bmp.h
..................................................\read_bmp.o