http://developer.android.com/reference/android/graphics/Color.html
On 10/31/09 4:31 AM, Andareena Vootog wrote:
> hi
> if you are using bitmap, use an integer array to store the
> bitmap. use bitmap.getPixel() to get the corresponding bitmap in
> integer array. By using bitwise rotation operation, we will get RGB
> values. (Also byte array can be used). See the code below.
>
> int[] pix = new int[picw * pich];
> bitmap.getPixels(pix, 0, picw, 0, 0, picw, pich);
>
> int R, G, B,Y;
>
> for (int y = 0; y < pich; y++)
> for (int x = 0; x < picw; x++)
> {
> int index = y * picw + x;
> int R = (pix[index] >> 16) & 0xff; //bitwise shifting
> int G = (pix[index] >> 8) & 0xff;
> int B = pix[index] & 0xff;
>
> //R,G.B - Red, Green, Blue
> //to restore the values after RGB modification, use
> //next statement
> pix[index] = 0xff000000 | (R << 16) | (G << 8) | B;
> }
>
>
>
> Thanks and Regards,
>
> Andarena Vootog
> Vootog Information Systems <http://www.vootog.com> Pvt Ltd.
>
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