slight performance improvement, detector

src/qrcode/detector/detector.rs

@@ -36,14 +36,14 @@ use super::{
  *
  * @author Sean Owen
  */
-pub struct Detector {
-    image: BitMatrix,
+pub struct Detector<'a> {
+    image: &'a BitMatrix,
     resultPointCallback: Option<RXingResultPointCallback>,
 }
 
-impl Detector {
-    pub fn new(image: BitMatrix) -> Self {
-        Self {
+impl<'a> Detector<'_> {
+    pub fn new(image: &'a BitMatrix) -> Detector<'a> {
+        Detector {
             image,
             resultPointCallback: None,
         }

src/qrcode/detector/detector_test.rs

@@ -32,7 +32,8 @@ fn test_encode_decode(value: &str) {
         let byt_matrix = qr_code.getMatrix().as_ref().unwrap().clone();
         // dbg!(BitMatrix::from(byt_matrix.clone()).to_string());
         // let mut detector = Detector::new(make_larger(&byt_matrix.into(),5));
-        let mut detector = Detector::new(byt_matrix.into());
+        let new_matrix : &BitMatrix = &byt_matrix.into();
+        let mut detector = Detector::new(new_matrix);
         let detected_points = detector.detect().expect("must detect");
         let decoded = decoder::decode_bitmatrix(detected_points.getBits()).expect("must decode");
         assert_eq!(decoded.getText(), value);

src/qrcode/detector/mod.rs

@@ -15,4 +15,4 @@ pub use finder_pattern_info::*;
 pub use qrcode_detector_result::*;
 
 #[cfg(test)]
-mod cetector_test;
+mod detector_test;

src/qrcode/qr_code_reader.rs

@@ -67,7 +67,7 @@ impl Reader for QRCodeReader {
             points = Vec::new();
         } else {
             let detectorRXingResult =
-                Detector::new(image.getBlackMatrix().clone()).detect_with_hints(&hints)?;
+                Detector::new(image.getBlackMatrix()).detect_with_hints(&hints)?;
             decoderRXingResult =
                 decoder::decode_bitmatrix_with_hints(detectorRXingResult.getBits(), &hints)?;
             points = detectorRXingResult.getPoints().clone();