if(FP & lt;0)錯誤(['無法打開' filename '。']),結束
ident = fread(fp,2,' uchar ')';%應該是' BM'。BMP文件類型
filesize = fread(fp,1,' long ');文件長度的百分比
dummy = fread(fp,1,' long ');%兩個‘短’保留字(未來?)
offset = fread(fp,1,' long ');位圖開始前的字節數百分比
unknown = fread(fp,1,' long ');該標題的% size(?)
width = fread(fp,1,' long ');列數百分比
height = fread(fp,1,' long ');行數百分比
one = fread(fp,1,' short ');飛機數量百分比
bits_pix = fread(fp,1,' short ');% 2、4或8
compress = fread(fp,1,' long ');% 0 =未壓縮,1 = RLE
SizeImage= fread(fp,1,' long ');圖像大小的百分比(字節)
horiz_res= fread(fp,1,' long ');%水平分辨率(像素/米)
vert_res = fread(fp,1,' long ');%垂直分辨率(像素/米)
num_color= fread(fp,1,' long ');顏色數量百分比
imp_color= fread(fp,1,' long ');%數量的重要顏色(!)