From 1b5cc94e065c5fa99a050e5b43e5341be3b66c07 Mon Sep 17 00:00:00 2001
From: Tim Lindner <Tim.Lindner@tisoware.com>
Date: Mon, 29 Sep 2025 15:35:21 +0200
Subject: [PATCH] rewrite copyleft code from stackoverflow

---
 .../journeyapps/barcodescanner/CaptureManager.java   | 11 ++++++-----
 .../com/journeyapps/barcodescanner/RawImageData.java | 12 ++++++------
 2 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/zxing-android-embedded/src/com/journeyapps/barcodescanner/CaptureManager.java b/zxing-android-embedded/src/com/journeyapps/barcodescanner/CaptureManager.java
index 6e35b10a3..6ba53bf85 100644
--- a/zxing-android-embedded/src/com/journeyapps/barcodescanner/CaptureManager.java
+++ b/zxing-android-embedded/src/com/journeyapps/barcodescanner/CaptureManager.java
@@ -190,19 +190,20 @@ public void initializeFromIntent(Intent intent, Bundle savedInstanceState) {
     protected void lockOrientation() {
         // Only get the orientation if it's not locked to one yet.
         if (this.orientationLock == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED) {
-            // Adapted from http://stackoverflow.com/a/14565436
-            Display display = activity.getWindowManager().getDefaultDisplay();
-            int rotation = display.getRotation();
+            Display defaultDisplay = activity.getWindowManager().getDefaultDisplay();
+            int displayRotation = defaultDisplay.getRotation();
             int baseOrientation = activity.getResources().getConfiguration().orientation;
+
             int orientation = 0;
+
             if (baseOrientation == Configuration.ORIENTATION_LANDSCAPE) {
-                if (rotation == Surface.ROTATION_0 || rotation == Surface.ROTATION_90) {
+                if (displayRotation == Surface.ROTATION_0 || displayRotation == Surface.ROTATION_90) {
                     orientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
                 } else {
                     orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
                 }
             } else if (baseOrientation == Configuration.ORIENTATION_PORTRAIT) {
-                if (rotation == Surface.ROTATION_0 || rotation == Surface.ROTATION_270) {
+                if (displayRotation == Surface.ROTATION_0 || displayRotation == Surface.ROTATION_270) {
                     orientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
                 } else {
                     orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT;
diff --git a/zxing-android-embedded/src/com/journeyapps/barcodescanner/RawImageData.java b/zxing-android-embedded/src/com/journeyapps/barcodescanner/RawImageData.java
index 12455ae06..0e059c5f9 100644
--- a/zxing-android-embedded/src/com/journeyapps/barcodescanner/RawImageData.java
+++ b/zxing-android-embedded/src/com/journeyapps/barcodescanner/RawImageData.java
@@ -85,18 +85,18 @@ public RawImageData rotateCameraPreview(int cameraRotation) {
      * @return the rotated bytes
      */
     public static byte[] rotateCW(byte[] data, int imageWidth, int imageHeight) {
-        // Adapted from http://stackoverflow.com/a/15775173
         // data may contain more than just y (u and v), but we are only interested in the y section.
 
-        byte[] yuv = new byte[imageWidth * imageHeight];
-        int i = 0;
+        byte[] flippedLuma = new byte[imageWidth * imageHeight];
+
+        int destIndex  = 0;
         for (int x = 0; x < imageWidth; x++) {
             for (int y = imageHeight - 1; y >= 0; y--) {
-                yuv[i] = data[y * imageWidth + x];
-                i++;
+                flippedLuma[destIndex] = data[y * imageWidth + x];
+                destIndex++;
             }
         }
-        return yuv;
+        return flippedLuma;
     }
 
     /**