www.pudn.com > work.rar > tuxiangsuoyin.m

function [XX,map]=im(in1,in2) 
if nargin==2; 
    if erranrgn(mfilename,nargin,[2],nargout,[0:2]),error('*'); 
    end 
    g=in1;type=in2; 
    if errargt(mfilename,g,'str'),error('*'); 
    end 
    if errargt(mfilename,type,'str'),error('*'); 
    end 
    f=imread(g,type); 
    if strcmp(type,'bmp')|strcmp(type,'jpg'),[XX,map]=rgb2ind(f); 
    end 
end