boost de colores

    enum ColorComponent {RED, GREEN, BLUE};

    private Bitmap boostImpl(Bitmap bitmap, ColorComponent comp, float percent) {
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();
        Bitmap bitmapDest = Bitmap.createBitmap(width, height, bitmap.getConfig());

        int alpha, red, green, blue;
        int pixel;

        for (int i = 0; i < width; ++i) {
            for (int j = 0; j < height; ++j) {
                pixel = bitmap.getPixel(i, j);
                alpha = Color.alpha(pixel);
                red = Color.red(pixel);
                green = Color.green(pixel);
                blue = Color.blue(pixel);
                if (comp == ColorComponent.RED) {
                    red = (int) (red * (1 + percent));
                    if (red > 255) {
                        red = 255;
                    }
                } else if (comp == ColorComponent.GREEN) {
                    green = (int) (green * (1 + percent));
                    if (green > 255) {
                        green = 255;
                    }
                } else if (comp == ColorComponent.BLUE) {
                    blue = (int) (blue * (1 + percent));
                    if (blue > 255) {
                        blue = 255;
                    }
                }
                bitmapDest.setPixel(i, j, Color.argb(alpha, red, green, blue));
            }
        }
        return bitmapDest;
    }