main.m

使用matlab

clear;
%Show the flag without stars using pcolor
flag=zeros(13,40);
for i=2:2:12
    flag(i-1,:)=0.15;
    flag(i,:)=0;
end
flag(13,:)=0.15;
show = flag;
show(end+1,1) = 0; %Hidden point, fixes the lower bound of the colormap
show(end,end+1) = 1; %Hidden point, fixes the upper bound of the colormap
pcolor(1:41,1:14,show);

hold on%let the picture drew still be on the screen
bluebar=0.4+zeros(8,20);%draw another place in the left above corner
pcolor(1:20,7:14,bluebar);%print it blue 
colormap vga%color mode is vga
shading flat
axis off
for i=1:5
    for j=1:10
        star(1.3+j*1.6,6.7+i*1.3,0.5);
    end
end
hold off;