Created
March 13, 2020 01:47
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val width = bitmap.width | |
val height = bitmap.height | |
var R: Int | |
var G: Int | |
var B: Int | |
var pixel: Int | |
var i = 62 | |
var bit = 7 | |
for (x in height-1 downTo 0) { // 위아래 반전을 제거 하기 위해서 63부터 역순, | |
for (y in 0 until width) { | |
pixel = bitmap.getPixel(y, x) | |
R = Color.red(pixel) | |
G = Color.green(pixel) | |
B = Color.blue(pixel) | |
val gray = R+G+B/3 | |
if(gray > 128){ | |
arrayOfByte[i] = arrayOfByte[i] or (1 shl bit).toByte() | |
} | |
if(bit ==0){ // 알아보기 쉽게, 엔디안 처리 | |
i++ | |
bit = 8 | |
} | |
bit-- | |
} | |
} |
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