analysis: full official-app reverse artifacts (jadx sources, ghidra libcxsdk decomp, authoritative protocol conclusions) + docs
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ZXCLI
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package cn.com.magnity.magnitycx.sdk;
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import android.content.Context;
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import android.database.Cursor;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.hardware.Camera;
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import android.media.ExifInterface;
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import android.net.Uri;
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import android.view.SurfaceHolder;
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import cn.com.magnity.magnitycx.MagApplication;
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import java.io.BufferedOutputStream;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.List;
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/* loaded from: classes.dex */
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public class VisibleCameraHelper {
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private static volatile VisibleCameraHelper instance_;
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private Camera camera_;
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private final CameraSizeComparator sizeComparator = new CameraSizeComparator();
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private Camera.PictureCallback jpegCallback = new Camera.PictureCallback() { // from class: cn.com.magnity.magnitycx.sdk.VisibleCameraHelper.1
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@Override // android.hardware.Camera.PictureCallback
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public void onPictureTaken(byte[] data, Camera camera) {
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try {
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Bitmap bm = BitmapFactory.decodeByteArray(data, 0, data.length);
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File myCaptureFile = new File(MagApplication.magParameter.mediaDir, "1.jpg");
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BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(myCaptureFile));
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bm.compress(Bitmap.CompressFormat.JPEG, 100, bos);
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bos.flush();
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bos.close();
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camera.stopPreview();
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camera.startPreview();
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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};
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public int getOrientation(Context context, Uri photoUri) {
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Cursor cursor = context.getContentResolver().query(photoUri, new String[]{"_id", "orientation"}, null, null, null);
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if (cursor == null) {
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return 0;
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}
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cursor.moveToFirst();
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int i = cursor.getInt(cursor.getColumnIndexOrThrow("orientation"));
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cursor.close();
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return i;
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}
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public int getExifOrientation(String filepath) {
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int orientation;
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ExifInterface exif = null;
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try {
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ExifInterface exif2 = new ExifInterface(filepath);
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exif = exif2;
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} catch (IOException ex) {
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ex.printStackTrace();
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}
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if (exif == null || (orientation = exif.getAttributeInt("Orientation", -1)) == -1) {
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return 0;
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}
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switch (orientation) {
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}
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return 0;
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}
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public static VisibleCameraHelper getInstance() {
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if (instance_ == null) {
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synchronized (VisibleCameraHelper.class) {
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if (instance_ == null) {
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instance_ = new VisibleCameraHelper();
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}
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}
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}
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return instance_;
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}
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public boolean openCamera(int id) {
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if (Camera.getNumberOfCameras() < 1) {
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return false;
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}
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if (this.camera_ != null) {
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stopPreview();
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closeCamera();
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}
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try {
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this.camera_ = Camera.open(id);
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return this.camera_ != null;
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} catch (Exception e) {
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return false;
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}
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}
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public void closeCamera() {
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if (this.camera_ != null) {
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this.camera_.release();
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this.camera_ = null;
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}
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}
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public Size setPreviewSize(int expectedWidth, float rate) {
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Camera.Parameters parameters;
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if (this.camera_ == null || (parameters = this.camera_.getParameters()) == null) {
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return null;
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}
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List<Camera.Size> list = parameters.getSupportedPreviewSizes();
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Collections.sort(list, this.sizeComparator);
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Camera.Size size = null;
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int num = list.size();
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int i = 0;
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while (i < num) {
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Camera.Size size2 = list.get(i);
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size = size2;
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if (size.width > expectedWidth && equalRate(size, rate)) {
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break;
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}
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i++;
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}
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if (i == num) {
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return null;
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}
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parameters.setPreviewSize(size.width, size.height);
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this.camera_.setParameters(parameters);
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return new Size(size.width, size.height);
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}
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public Size setPictureSize(int expectedWidth, float rate) {
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Camera.Parameters parameters;
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if (this.camera_ == null || (parameters = this.camera_.getParameters()) == null) {
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return null;
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}
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List<Camera.Size> list = parameters.getSupportedPictureSizes();
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Collections.sort(list, this.sizeComparator);
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Camera.Size size = null;
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int num = list.size();
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int i = 0;
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while (i < num) {
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Camera.Size size2 = list.get(i);
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size = size2;
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if (size.width > expectedWidth && equalRate(size, rate)) {
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break;
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}
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i++;
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}
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if (i == num) {
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return null;
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}
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parameters.setPictureSize(size.width, size.height);
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this.camera_.setParameters(parameters);
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return new Size(size.width, size.height);
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}
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private boolean equalRate(Camera.Size s, float rate) {
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float r = s.width / s.height;
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return ((double) Math.abs(r - rate)) <= 0.1d;
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}
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public boolean startPreview(SurfaceHolder holder, int flashMode) {
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String mode;
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if (this.camera_ == null) {
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return false;
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}
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stopPreview();
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try {
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this.camera_.setPreviewDisplay(holder);
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Camera.Parameters parameters = this.camera_.getParameters();
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if (parameters != null) {
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switch (flashMode) {
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case 0:
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mode = "off";
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break;
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case 1:
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mode = "auto";
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break;
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case 2:
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mode = "on";
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break;
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case 3:
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mode = "red-eye";
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break;
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case 4:
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mode = "torch";
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break;
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default:
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mode = "off";
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break;
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}
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parameters.setFlashMode(mode);
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this.camera_.setParameters(parameters);
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}
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this.camera_.startPreview();
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return true;
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} catch (IOException e) {
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return false;
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}
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}
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public void stopPreview() {
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if (this.camera_ != null) {
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this.camera_.stopPreview();
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}
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}
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public int setPreviewOrientation(int cameraId) {
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int result;
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if (this.camera_ == null) {
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return 0;
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}
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Camera.CameraInfo info = new Camera.CameraInfo();
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Camera.getCameraInfo(cameraId, info);
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int rotation = MagApplication.windowManager.getDefaultDisplay().getRotation();
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int degrees = 0;
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switch (rotation) {
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case 0:
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degrees = 0;
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break;
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case 1:
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degrees = 90;
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break;
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case 2:
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degrees = 180;
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break;
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case 3:
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degrees = 270;
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break;
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}
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if (info.facing == 1) {
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int result2 = (info.orientation + degrees) % 360;
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result = (360 - result2) % 360;
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} else {
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result = ((info.orientation - degrees) + 360) % 360;
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}
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this.camera_.setDisplayOrientation(result);
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return result;
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}
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public void takePicture() {
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if (this.camera_ != null) {
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this.camera_.takePicture(null, null, this.jpegCallback);
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}
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}
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private class CameraSizeComparator implements Comparator<Camera.Size> {
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private CameraSizeComparator() {
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}
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@Override // java.util.Comparator
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public int compare(Camera.Size lhs, Camera.Size rhs) {
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if (lhs.width == rhs.width) {
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return 0;
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}
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if (lhs.width > rhs.width) {
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return 1;
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}
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return -1;
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}
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}
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public class Size {
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private int height_;
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private int width_;
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public Size() {
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}
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public Size(int width, int height) {
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this.width_ = width;
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this.height_ = height;
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}
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public void setWidth(int width) {
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this.width_ = width;
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}
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public void setHeight(int height) {
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this.height_ = height;
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}
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public int getWidth() {
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return this.width_;
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}
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public int getHeight() {
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return this.height_;
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}
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}
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}
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