void setDesiredCameraParameters(OpenCamera camera, boolean safeMode) {

    Camera theCamera = camera.getCamera();
    Camera.Parameters parameters = theCamera.getParameters();

    //    theCamera.setDisplayOrientation(90);//add 这句代码作用是旋转镜头90度,使相机预览方向正确显示

    if (parameters == null) {
      Log.w(
          TAG,
          "Device error: no camera parameters are available. Proceeding without configuration.");
      return;
    }

    Log.i(TAG, "Initial camera parameters: " + parameters.flatten());

    if (safeMode) {
      Log.w(TAG, "In camera config safe mode -- most settings will not be honored");
    }

    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);

    initializeTorch(parameters, prefs, safeMode);

    CameraConfigurationUtils.setFocus(parameters, true, true, safeMode);

    if (!safeMode) {
      CameraConfigurationUtils.setBarcodeSceneMode(parameters);
      CameraConfigurationUtils.setVideoStabilization(parameters);
      CameraConfigurationUtils.setFocusArea(parameters);
      CameraConfigurationUtils.setMetering(parameters);
    }

    parameters.setPreviewSize(bestPreviewSize.x, bestPreviewSize.y);

    theCamera.setParameters(parameters);

    theCamera.setDisplayOrientation(cwRotationFromDisplayToCamera);

    Camera.Parameters afterParameters = theCamera.getParameters();
    Camera.Size afterSize = afterParameters.getPreviewSize();
    if (afterSize != null
        && (bestPreviewSize.x != afterSize.width || bestPreviewSize.y != afterSize.height)) {
      Log.w(
          TAG,
          "Camera said it supported preview size "
              + bestPreviewSize.x
              + 'x'
              + bestPreviewSize.y
              + ", but after setting it, preview size is "
              + afterSize.width
              + 'x'
              + afterSize.height);
      bestPreviewSize.x = afterSize.width;
      bestPreviewSize.y = afterSize.height;
    }
  }
  void setDesiredCameraParameters(Camera camera, boolean safeMode) {
    Camera.Parameters parameters = camera.getParameters();

    if (parameters == null) {
      Log.w(
          TAG,
          "Device error: no camera parameters are available. Proceeding without configuration.");
      return;
    }

    Log.i(TAG, "Initial camera parameters: " + parameters.flatten());

    if (safeMode) {
      Log.w(TAG, "In camera config safe mode -- most settings will not be honored");
    }

    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);

    initializeTorch(parameters, prefs, safeMode);

    String focusMode = null;
    if (true) {
      if (safeMode || false) {
        focusMode =
            findSettableValue(
                parameters.getSupportedFocusModes(), Camera.Parameters.FOCUS_MODE_AUTO);
      } else {
        focusMode =
            findSettableValue(
                parameters.getSupportedFocusModes(),
                "continuous-picture", // Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE
                // in 4.0+
                "continuous-video", // Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO
                // in 4.0+
                Camera.Parameters.FOCUS_MODE_AUTO);
      }
    }
    // Maybe selected auto-focus but not available, so fall through here:
    if (!safeMode && focusMode == null) {
      focusMode =
          findSettableValue(
              parameters.getSupportedFocusModes(),
              Camera.Parameters.FOCUS_MODE_MACRO,
              "edof"); // Camera.Parameters.FOCUS_MODE_EDOF
      // in 2.2+
    }
    if (focusMode != null) {
      parameters.setFocusMode(focusMode);
    }

    parameters.setPreviewSize(cameraResolution.x, cameraResolution.y);
    camera.setParameters(parameters);
  }
Exemplo n.º 3
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  void setDesiredCameraParameters(Camera camera) {
    Camera.Parameters parameters = camera.getParameters();

    if (parameters == null) {
      Log.w(
          TAG,
          "Device error: no camera parameters are available. Proceeding without configuration.");
      return;
    }

    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);

    initializeTorch(parameters, prefs);
    String focusMode = null;
    if (prefs.getBoolean(PreferencesActivity.KEY_AUTO_FOCUS, true)) {
      if (prefs.getBoolean(PreferencesActivity.KEY_DISABLE_CONTINUOUS_FOCUS, false)) {
        focusMode =
            findSettableValue(
                parameters.getSupportedFocusModes(), Camera.Parameters.FOCUS_MODE_AUTO);
      } else {
        focusMode =
            findSettableValue(
                parameters.getSupportedFocusModes(),
                "continuous-picture", // Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE in 4.0+
                "continuous-video", // Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO in 4.0+
                Camera.Parameters.FOCUS_MODE_AUTO);
      }
    }
    // Maybe selected auto-focus but not available, so fall through here:
    if (focusMode == null) {
      focusMode =
          findSettableValue(
              parameters.getSupportedFocusModes(),
              Camera.Parameters.FOCUS_MODE_MACRO,
              "edof"); // Camera.Parameters.FOCUS_MODE_EDOF in 2.2+
    }
    if (focusMode != null) {
      parameters.setFocusMode(focusMode);
    }

    parameters.setPreviewSize(cameraResolution.x, cameraResolution.y);
    camera.setParameters(parameters);
  }
Exemplo n.º 4
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  void setDesiredCameraParameters(Camera camera, boolean safeMode) {
    Camera.Parameters parameters = camera.getParameters();

    if (parameters == null) {
      Log.w(
          TAG,
          "Device error: no camera parameters are available. Proceeding without configuration.");
      return;
    }

    Log.i(TAG, "Initial camera parameters: " + parameters.flatten());

    if (safeMode) {
      Log.w(TAG, "In camera config safe mode -- most settings will not be honored");
    }

    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);

    initializeTorch(parameters, prefs, safeMode);

    String focusMode = null;
    if (prefs.getBoolean(PreferencesActivity.KEY_AUTO_FOCUS, true)) {
      if (safeMode || prefs.getBoolean(PreferencesActivity.KEY_DISABLE_CONTINUOUS_FOCUS, false)) {
        focusMode =
            findSettableValue(
                parameters.getSupportedFocusModes(), Camera.Parameters.FOCUS_MODE_AUTO);
      } else {
        focusMode =
            findSettableValue(
                parameters.getSupportedFocusModes(),
                Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE,
                Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO,
                Camera.Parameters.FOCUS_MODE_AUTO);
      }
    }
    // Maybe selected auto-focus but not available, so fall through here:
    if (!safeMode && focusMode == null) {
      focusMode =
          findSettableValue(
              parameters.getSupportedFocusModes(),
              Camera.Parameters.FOCUS_MODE_MACRO,
              Camera.Parameters.FOCUS_MODE_EDOF);
    }
    if (focusMode != null) {
      parameters.setFocusMode(focusMode);
    }

    if (prefs.getBoolean(PreferencesActivity.KEY_INVERT_SCAN, false)) {
      String colorMode =
          findSettableValue(
              parameters.getSupportedColorEffects(), Camera.Parameters.EFFECT_NEGATIVE);
      if (colorMode != null) {
        parameters.setColorEffect(colorMode);
      }
    }

    parameters.setPreviewSize(cameraResolution.x, cameraResolution.y);
    camera.setParameters(parameters);

    Camera.Parameters afterParameters = camera.getParameters();
    Camera.Size afterSize = afterParameters.getPreviewSize();
    if (afterSize != null
        && (cameraResolution.x != afterSize.width || cameraResolution.y != afterSize.height)) {
      Log.w(
          TAG,
          "Camera said it supported preview size "
              + cameraResolution.x
              + 'x'
              + cameraResolution.y
              + ", but after setting it, preview size is "
              + afterSize.width
              + 'x'
              + afterSize.height);
      cameraResolution.x = afterSize.width;
      cameraResolution.y = afterSize.height;
    }
  }