BBC1 年
Calculating the size of a bit-mapped graphic
7 x 6 x 500 x 500 x 16 = 168,000,000 bits 168000000/8 = 21,000,000 bytes 21000000/1024 = 20507.8125 Kilobytes 20507.8125/1024 = 20.03 Megabytes The DPI figure is used twice because it refers to ...