Method processBitmap

sample/src/main/java/me/sam/czxing/util/Utils.java:152–167

(Bitmap source, int size)

    }

    public static Bitmap processBitmap(Bitmap source, int size) {

        int image_height = source.getHeight();
        int image_width = source.getWidth();

        Bitmap croppedBitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);

        Matrix frameToCropTransformations = getTransformationMatrix(image_width, image_height, size, size, 0, false);
        Matrix cropToFrameTransformations = new Matrix();
        frameToCropTransformations.invert(cropToFrameTransformations);

        final Canvas canvas = new Canvas(croppedBitmap);
        canvas.drawBitmap(source, frameToCropTransformations, null);

        return croppedBitmap;
    }

    public static void writeToFile(String data, Context context) {
        try {