求解下边函数的意思,最好说的详细一点
#define RGB( red, green, blue )
(unsigned int) (
((red)&0xff)<<16|( (green)&0xff )<<8|(blue)&0xff)
另外还有下边这个
for( i=0; i<16; i++ ){
palette = RGB( i, 0, 0 );
palette[i+16] = RGB( 0, i, 0 );
palette[i+32] = RGB( 0, 0, i );
palette[i+48] = RGB( i, i, i );}
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