int alpha=0xFF<<24;
for (int i = 0; i < h; i++) {
for (int j = 0; j < w; j++) {
// 获得像素的颜色
int color = pix[w * i + j];
int red = ((color & 0x00FF0000) >> 16);
int green = ((color & 0x0000FF00) >> 8);
int blue = color & 0x000000FF;
color = (red + green + blue)/3;
pix[w * i + j] = color;
}
}
Bitmap result=Bitmap.createBitmap(w, h, Config.RGB_565);
result.setPixels(pix, 0, w, 0, 0,w, h);
return result;
}
}