How to get pixel's RGB from ByteBuffer with RGB_565 on Android

I have ByteBuffer which contains pixels in format RGB_565. ByteBuffer is size 320x200*2. Each pixel is stored in two bytes.

I am getting first byte location for each pixel with (y * 320) + x.

Please how can I obtain RGB from these two bytes and convert it to android color?

I tried convert this post, but without luck

Here is how looks my code, but it gives wrong colors.

EDIT : Thank you friends, I found it. I did two mistakes. First was fixed by Paul, thanks to him I get correct index position. Then I indexed buffer.array() instead buffer.get(index). First way gives me pure byte with some extra bytes at beginning. This made incorrect indexing.

Here is correct function, maybe someone in the future can find it usefull

public int getPixel(int x, int y)
int index = ((y * width) + x) * 2;

//wrong (or add arrayOffset to index)
//byte bytes = buffer.array();
//int rgb = bytes[index + 1] * 256 + bytes[index];

//correct
int rgb = buffer.get(index + 1) * 256 + buffer.get(index);

int r = rgb;
r &= 0xF800; // 1111 1000 0000 0000
r >>= 11; // 0001 1111
r *= (255/31.); // Convert from 31 max to 255 max

int g = rgb;
g &= 0x7E0; // 0000 0111 1110 0000
g >>= 5; // 0011 1111
g *= (255/63.); // Convert from 63 max to 255 max

int b = rgb;
b &= 0x1F; // 0000 0000 0001 1111
//g >>= 0; // 0001 1111
b *= (255/31.); // Convert from 31 max to 255 max

return Color.rgb(r, g, b);



many thanks

ByteBuffer

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