Macro add_image_watermark

macro_rules! add_image_watermark {
    ($img:expr, $watermark:expr) => { ... };
}

Re-exported main qrc module from qrc for QR code generation. Macro to add a watermark image to a QR code.

Parameters

• $img - The main QR code image as a mutable reference.
• $watermark - The watermark image as an immutable reference.

Example

use qrc::QRCode;
use image::{ImageBuffer, Rgba};

// Create a mock QR code and watermark image for the example
let mut img = ImageBuffer::from_pixel(100, 100, Rgba([0, 0, 0, 255]));
let watermark = ImageBuffer::from_pixel(50, 50, Rgba([255, 255, 255, 255]));

qrc::add_image_watermark!(&mut img, &watermark);