biYPelsPerMeter = 0L;
long biClrUsed = 0L;
long biClrImportant = 0L;
// 保存bmp信息头
writeDword(fileos, biSize);
writeLong...(fileos, biWidth);
writeLong(fileos, biHeight);
writeWord(fileos, biPlanes);
writeWord(fileos, biBitCount...);
writeDword(fileos, biCompression);
writeDword(fileos, biSizeImage);
writeLong(fileos, biXpelsPerMeter...);
writeLong(fileos, biYPelsPerMeter);
writeDword(fileos, biClrUsed);
writeDword(fileos, biClrImportant...(byte) (value 16 & 0xff);
b[3] = (byte) (value 24 & 0xff);
stream.write(b);
}
protected void writeLong