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POSwitching zxing barcode scanner to portrait mode
 

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    <p>I am following this issue (<a href="http://code.google.com/p/zxing/issues/detail?id=178" rel="nofollow noreferrer">http://code.google.com/p/zxing/issues/detail?id=178</a>) and followed the instructions of the comment #46 but no luck with samsung galaxy s 2.</p> <p>I've recorded the image that it receives after making the rotation in DecodeHandler.java and a strange thing happens. The image appears to be corrected rotated, but it has like a green filter over it (please check file below).</p> <p><img src="https://i.stack.imgur.com/55rJJ.jpg" alt="enter image description here"></p> <p>Anyone experienced this or have a solution for this?</p> <pre><code>byte[] rotatedData = new byte[data.length]; for (int y = 0; y &lt; height; y++) { for (int x = 0; x &lt; width; x++) rotatedData[x * height + height - y - 1] = data[x + y * width]; } int tmp = width; // Here we are swapping, that's the difference to #11 width = height; height = tmp; data = rotatedData; </code></pre> <p>PS: Code for writing to file</p> <ul> <li>this code works great if i pass the byte[] before doing the rotation. </li> <li>After making the rotation the image go to green </li> </ul> <p>Code</p> <pre><code> public void writeFile(byte[] data, String fileName, int width, int height) throws IOException{ FileOutputStream out = new FileOutputStream(fileName); YuvImage im = new YuvImage(data, ImageFormat.NV21, width, height, null); Rect r = new Rect(0,0,width,height); im.compressToJpeg(r, 100, out); out.write(data); out.close(); } </code></pre>
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    1. COThe tweak is simple, though need a little bit of changes across multiple files. Here I have put a complete solution for this question: http://stackoverflow.com/questions/16252791/how-to-show-zxing-camera-in-portrait-mode-on-android/16252917#16252917
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