Java Code Examples for com.google.zxing.client.android.camera.open.OpenCamera#getCamera()
The following examples show how to use
com.google.zxing.client.android.camera.open.OpenCamera#getCamera() .
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Example 1
Source File: CameraManager.java From flutter_qr_reader with MIT License | 6 votes |
/** * @param enabled if {@code true}, light should be turned on if currently off. And vice versa. */ public synchronized void setTorchEnabled(boolean enabled) { OpenCamera theCamera = openCamera; if (theCamera != null && enabled != configManager.getTorchState(theCamera.getCamera())) { boolean wasAutoFocusManager = autoFocusManager != null; if (wasAutoFocusManager) { autoFocusManager.stop(); autoFocusManager = null; } configManager.setTorchEnabled(theCamera.getCamera(), enabled); if (wasAutoFocusManager) { autoFocusManager = new AutoFocusManager(theCamera.getCamera()); autoFocusManager.start(); } } }
Example 2
Source File: CameraManager.java From weex with Apache License 2.0 | 6 votes |
/** * Convenience method for {@link com.google.zxing.client.android.CaptureActivity} * * @param newSetting if {@code true}, light should be turned on if currently off. And vice versa. */ public synchronized void setTorch(boolean newSetting) { OpenCamera theCamera = camera; if (theCamera != null) { if (newSetting != configManager.getTorchState(theCamera.getCamera())) { boolean wasAutoFocusManager = autoFocusManager != null; if (wasAutoFocusManager) { autoFocusManager.stop(); autoFocusManager = null; } configManager.setTorch(theCamera.getCamera(), newSetting); if (wasAutoFocusManager) { autoFocusManager = new AutoFocusManager(context, theCamera.getCamera()); autoFocusManager.start(); } } } }
Example 3
Source File: CameraManager.java From Study_Android_Demo with Apache License 2.0 | 6 votes |
/** * Convenience method for {@link com.google.zxing.client.android.CaptureActivity} * * @param newSetting if {@code true}, light should be turned on if currently off. And vice versa. */ public synchronized void setTorch(boolean newSetting) { OpenCamera theCamera = camera; if (theCamera != null) { if (newSetting != configManager.getTorchState(theCamera.getCamera())) { boolean wasAutoFocusManager = autoFocusManager != null; if (wasAutoFocusManager) { autoFocusManager.stop(); autoFocusManager = null; } configManager.setTorch(theCamera.getCamera(), newSetting); if (wasAutoFocusManager) { autoFocusManager = new AutoFocusManager(context, theCamera.getCamera()); autoFocusManager.start(); } } } }
Example 4
Source File: CameraManager.java From analyzer-of-android-for-Apache-Weex with Apache License 2.0 | 6 votes |
/** * Convenience method for {@link com.google.zxing.client.android.CaptureActivity} * * @param newSetting if {@code true}, light should be turned on if currently off. And vice versa. */ public synchronized void setTorch(boolean newSetting) { OpenCamera theCamera = camera; if (theCamera != null) { if (newSetting != configManager.getTorchState(theCamera.getCamera())) { boolean wasAutoFocusManager = autoFocusManager != null; if (wasAutoFocusManager) { autoFocusManager.stop(); autoFocusManager = null; } configManager.setTorch(theCamera.getCamera(), newSetting); if (wasAutoFocusManager) { autoFocusManager = new AutoFocusManager(context, theCamera.getCamera()); autoFocusManager.start(); } } } }
Example 5
Source File: CameraManager.java From ProjectX with Apache License 2.0 | 6 votes |
/** * Convenience method * * @param newSetting if {@code true}, light should be turned on if currently off. And vice versa. */ public synchronized void setTorch(boolean newSetting) { OpenCamera theCamera = camera; if (theCamera != null) { if (newSetting != configManager.getTorchState(theCamera.getCamera())) { boolean wasAutoFocusManager = autoFocusManager != null; if (wasAutoFocusManager) { autoFocusManager.stop(); autoFocusManager = null; } configManager.setTorch(theCamera.getCamera(), newSetting); if (wasAutoFocusManager) { autoFocusManager = new AutoFocusManager(context, theCamera.getCamera()); autoFocusManager.start(); } } } }
Example 6
Source File: CameraManager.java From barcodescanner-lib-aar with MIT License | 6 votes |
/** * Convenience method for {@link com.google.zxing.client.android.CaptureActivity} * * @param newSetting if {@code true}, light should be turned on if currently off. And vice versa. */ public synchronized void setTorch(boolean newSetting) { OpenCamera theCamera = camera; if (theCamera != null) { if (newSetting != configManager.getTorchState(theCamera.getCamera())) { boolean wasAutoFocusManager = autoFocusManager != null; if (wasAutoFocusManager) { autoFocusManager.stop(); autoFocusManager = null; } configManager.setTorch(theCamera.getCamera(), newSetting); if (wasAutoFocusManager) { autoFocusManager = new AutoFocusManager(context, theCamera.getCamera()); autoFocusManager.start(); } } } }
Example 7
Source File: CameraManager.java From Study_Android_Demo with Apache License 2.0 | 5 votes |
/** * Asks the camera hardware to begin drawing preview frames to the screen. */ public synchronized void startPreview() { OpenCamera theCamera = camera; if (theCamera != null && !previewing) { theCamera.getCamera().startPreview(); previewing = true; autoFocusManager = new AutoFocusManager(context, theCamera.getCamera()); } }
Example 8
Source File: CameraManager.java From barcodescanner-lib-aar with MIT License | 5 votes |
/** * Asks the camera hardware to begin drawing preview frames to the screen. */ public synchronized void startPreview() { OpenCamera theCamera = camera; if (theCamera != null && !previewing) { theCamera.getCamera().startPreview(); previewing = true; autoFocusManager = new AutoFocusManager(context, theCamera.getCamera()); } }
Example 9
Source File: CameraManager.java From ZXing-Standalone-library with Apache License 2.0 | 4 votes |
/** * Opens the camera driver and initializes the hardware parameters. * * @param holder The surface object which the camera will draw preview frames into. * @throws IOException Indicates the camera driver failed to open. */ public synchronized void openDriver(SurfaceHolder holder) throws IOException { OpenCamera theCamera = camera; if (theCamera == null) { theCamera = OpenCameraInterface.open(requestedCameraId); if (theCamera == null) { throw new IOException("Camera.open() failed to return object from driver"); } camera = theCamera; } if (!initialized) { initialized = true; configManager.initFromCameraParameters(theCamera); if (requestedFramingRectWidth > 0 && requestedFramingRectHeight > 0) { setManualFramingRect(requestedFramingRectWidth, requestedFramingRectHeight); requestedFramingRectWidth = 0; requestedFramingRectHeight = 0; } } Camera cameraObject = theCamera.getCamera(); Camera.Parameters parameters = cameraObject.getParameters(); String parametersFlattened = parameters == null ? null : parameters.flatten(); // Save these, temporarily try { configManager.setDesiredCameraParameters(theCamera, false); } catch (RuntimeException re) { // Driver failed Log.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters"); Log.i(TAG, "Resetting to saved camera params: " + parametersFlattened); // Reset: if (parametersFlattened != null) { parameters = cameraObject.getParameters(); parameters.unflatten(parametersFlattened); try { cameraObject.setParameters(parameters); configManager.setDesiredCameraParameters(theCamera, true); } catch (RuntimeException re2) { // Well, darn. Give up Log.w(TAG, "Camera rejected even safe-mode parameters! No configuration"); } } } cameraObject.setPreviewDisplay(holder); }
Example 10
Source File: CameraManager.java From ProjectX with Apache License 2.0 | 4 votes |
/** * Opens the camera driver and initializes the hardware parameters. * * @param holder The surface object which the camera will draw preview frames into. * @throws IOException Indicates the camera driver failed to open. */ public synchronized void openDriver(SurfaceHolder holder) throws IOException { OpenCamera theCamera = camera; if (theCamera == null) { theCamera = OpenCameraInterface.open(requestedCameraId); if (theCamera == null) { throw new IOException("Camera.open() failed to return object from driver"); } camera = theCamera; } if (!initialized) { initialized = true; configManager.initFromCameraParameters(theCamera); if (requestedFramingRectWidth > 0 && requestedFramingRectHeight > 0) { setManualFramingRect(requestedFramingRectWidth, requestedFramingRectHeight); requestedFramingRectWidth = 0; requestedFramingRectHeight = 0; } } Camera cameraObject = theCamera.getCamera(); Camera.Parameters parameters = cameraObject.getParameters(); String parametersFlattened = parameters == null ? null : parameters.flatten(); // Save these, temporarily try { configManager.setDesiredCameraParameters(theCamera, false); } catch (RuntimeException re) { // Driver failed Log.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters"); Log.i(TAG, "Resetting to saved camera params: " + parametersFlattened); // Reset: if (parametersFlattened != null) { parameters = cameraObject.getParameters(); parameters.unflatten(parametersFlattened); try { cameraObject.setParameters(parameters); configManager.setDesiredCameraParameters(theCamera, true); } catch (RuntimeException re2) { // Well, darn. Give up Log.w(TAG, "Camera rejected even safe-mode parameters! No configuration"); } } } cameraObject.setPreviewDisplay(holder); }
Example 11
Source File: CameraManager.java From flutter_qr_reader with MIT License | 4 votes |
/** * Opens the google.zxing.client.android.android.com.google.zxing.client.android.camera driver and initializes the hardware parameters. * * @param holder The surface object which the google.zxing.client.android.android.com.google.zxing.client.android.camera will draw preview frames into. * @param height @throws IOException Indicates the google.zxing.client.android.android.com.google.zxing.client.android.camera driver failed to open. */ public synchronized void openDriver(SurfaceHolder holder, int width, int height) throws IOException { OpenCamera theCamera = openCamera; if (!isOpen()) { theCamera = OpenCameraInterface.open(requestedCameraId); if (theCamera == null || theCamera.getCamera() == null) { throw new IOException("Camera.open() failed to return object from driver"); } openCamera = theCamera; } theCamera.getCamera().setPreviewDisplay(holder); theCamera.getCamera().setPreviewCallback(previewCallback); theCamera.getCamera().setDisplayOrientation(displayOrientation); if (!initialized) { initialized = true; configManager.initFromCameraParameters(theCamera, width, height); } Camera cameraObject = theCamera.getCamera(); Camera.Parameters parameters = cameraObject.getParameters(); String parametersFlattened = parameters == null ? null : parameters.flatten(); // Save these, temporarily try { configManager.setDesiredCameraParameters(theCamera, false); } catch (RuntimeException re) { // Driver failed SimpleLog.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters"); SimpleLog.i(TAG, "Resetting to saved google.zxing.client.android.android.com.google.zxing.client.android.camera params: " + parametersFlattened); // Reset: if (parametersFlattened != null) { parameters = cameraObject.getParameters(); parameters.unflatten(parametersFlattened); try { cameraObject.setParameters(parameters); configManager.setDesiredCameraParameters(theCamera, true); } catch (RuntimeException re2) { // Well, darn. Give up SimpleLog.w(TAG, "Camera rejected even safe-mode parameters! No configuration"); } } } cameraObject.setPreviewDisplay(holder); }
Example 12
Source File: CameraConfigurationManager.java From Study_Android_Demo with Apache License 2.0 | 4 votes |
void setDesiredCameraParameters(OpenCamera camera, boolean safeMode) { Camera theCamera = camera.getCamera(); Camera.Parameters parameters = theCamera.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); CameraConfigurationUtils.setFocus( parameters, prefs.getBoolean(PreferencesActivity.KEY_AUTO_FOCUS, true), prefs.getBoolean(PreferencesActivity.KEY_DISABLE_CONTINUOUS_FOCUS, true), safeMode); if (!safeMode) { if (prefs.getBoolean(PreferencesActivity.KEY_INVERT_SCAN, false)) { CameraConfigurationUtils.setInvertColor(parameters); } if (!prefs.getBoolean(PreferencesActivity.KEY_DISABLE_BARCODE_SCENE_MODE, true)) { CameraConfigurationUtils.setBarcodeSceneMode(parameters); } if (!prefs.getBoolean(PreferencesActivity.KEY_DISABLE_METERING, true)) { 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; } }
Example 13
Source File: CameraManager.java From analyzer-of-android-for-Apache-Weex with Apache License 2.0 | 4 votes |
/** * Opens the camera driver and initializes the hardware parameters. * * @param holder The surface object which the camera will draw preview frames into. * @throws IOException Indicates the camera driver failed to open. */ public synchronized void openDriver(SurfaceHolder holder) throws IOException { OpenCamera theCamera = camera; if (theCamera == null) { theCamera = OpenCameraInterface.open(requestedCameraId); if (theCamera == null) { throw new IOException("Camera.open() failed to return object from driver"); } camera = theCamera; } if (!initialized) { initialized = true; configManager.initFromCameraParameters(theCamera); if (requestedFramingRectWidth > 0 && requestedFramingRectHeight > 0) { setManualFramingRect(requestedFramingRectWidth, requestedFramingRectHeight); requestedFramingRectWidth = 0; requestedFramingRectHeight = 0; } } Camera cameraObject = theCamera.getCamera(); Camera.Parameters parameters = cameraObject.getParameters(); String parametersFlattened = parameters == null ? null : parameters.flatten(); // Save these, temporarily try { configManager.setDesiredCameraParameters(theCamera, false); } catch (RuntimeException re) { // Driver failed Log.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters"); Log.i(TAG, "Resetting to saved camera params: " + parametersFlattened); // Reset: if (parametersFlattened != null) { parameters = cameraObject.getParameters(); parameters.unflatten(parametersFlattened); try { cameraObject.setParameters(parameters); configManager.setDesiredCameraParameters(theCamera, true); } catch (RuntimeException re2) { // Well, darn. Give up Log.w(TAG, "Camera rejected even safe-mode parameters! No configuration"); } } } cameraObject.setPreviewDisplay(holder); }
Example 14
Source File: CameraManager.java From barcodescanner-lib-aar with MIT License | 4 votes |
/** * Opens the camera driver and initializes the hardware parameters. * * @param holder The surface object which the camera will draw preview frames into. * @throws IOException Indicates the camera driver failed to open. */ public synchronized void openDriver(SurfaceHolder holder) throws IOException { OpenCamera theCamera = camera; if (theCamera == null) { theCamera = OpenCameraInterface.open(requestedCameraId); if (theCamera == null) { throw new IOException("Camera.open() failed to return object from driver"); } camera = theCamera; } if (!initialized) { initialized = true; configManager.initFromCameraParameters(theCamera); if (requestedFramingRectWidth > 0 && requestedFramingRectHeight > 0) { setManualFramingRect(requestedFramingRectWidth, requestedFramingRectHeight); requestedFramingRectWidth = 0; requestedFramingRectHeight = 0; } } Camera cameraObject = theCamera.getCamera(); Camera.Parameters parameters = cameraObject.getParameters(); String parametersFlattened = parameters == null ? null : parameters.flatten(); // Save these, temporarily try { configManager.setDesiredCameraParameters(theCamera, false); } catch (RuntimeException re) { // Driver failed Log.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters"); Log.i(TAG, "Resetting to saved camera params: " + parametersFlattened); // Reset: if (parametersFlattened != null) { parameters = cameraObject.getParameters(); parameters.unflatten(parametersFlattened); try { cameraObject.setParameters(parameters); configManager.setDesiredCameraParameters(theCamera, true); } catch (RuntimeException re2) { // Well, darn. Give up Log.w(TAG, "Camera rejected even safe-mode parameters! No configuration"); } } } cameraObject.setPreviewDisplay(holder); if (torchInitiallyOn) { setTorch(true); } }
Example 15
Source File: CameraManager.java From ShareBox with Apache License 2.0 | 4 votes |
/** * Opens the camera driver and initializes the hardware parameters. * * @param holder The surface object which the camera will draw preview frames into. * @param height @throws IOException Indicates the camera driver failed to open. */ public synchronized void openDriver(SurfaceHolder holder, int width, int height) throws IOException { OpenCamera theCamera = openCamera; if (!isOpen()) { theCamera = OpenCameraInterface.open(requestedCameraId); if (theCamera == null || theCamera.getCamera() == null) { throw new IOException("Camera.open() failed to return object from driver"); } openCamera = theCamera; } theCamera.getCamera().setPreviewDisplay(holder); theCamera.getCamera().setPreviewCallback(previewCallback); theCamera.getCamera().setDisplayOrientation(displayOrientation); if (!initialized) { initialized = true; configManager.initFromCameraParameters(theCamera, width, height); } Camera cameraObject = theCamera.getCamera(); Camera.Parameters parameters = cameraObject.getParameters(); String parametersFlattened = parameters == null ? null : parameters.flatten(); // Save these, temporarily try { configManager.setDesiredCameraParameters(theCamera, false); } catch (RuntimeException re) { // Driver failed Log.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters"); Log.i(TAG, "Resetting to saved camera params: " + parametersFlattened); // Reset: if (parametersFlattened != null) { parameters = cameraObject.getParameters(); parameters.unflatten(parametersFlattened); try { cameraObject.setParameters(parameters); configManager.setDesiredCameraParameters(theCamera, true); } catch (RuntimeException re2) { // Well, darn. Give up Log.w(TAG, "Camera rejected even safe-mode parameters! No configuration"); } } } cameraObject.setPreviewDisplay(holder); }
Example 16
Source File: CameraConfigurationManager.java From analyzer-of-android-for-Apache-Weex with Apache License 2.0 | 4 votes |
void setDesiredCameraParameters(OpenCamera camera, boolean safeMode) { Camera theCamera = camera.getCamera(); Camera.Parameters parameters = theCamera.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); CameraConfigurationUtils.setFocus( parameters, prefs.getBoolean(PreferencesActivity.KEY_AUTO_FOCUS, true), prefs.getBoolean(PreferencesActivity.KEY_DISABLE_CONTINUOUS_FOCUS, true), safeMode); if (!safeMode) { if (prefs.getBoolean(PreferencesActivity.KEY_INVERT_SCAN, false)) { CameraConfigurationUtils.setInvertColor(parameters); } if (!prefs.getBoolean(PreferencesActivity.KEY_DISABLE_BARCODE_SCENE_MODE, true)) { CameraConfigurationUtils.setBarcodeSceneMode(parameters); } if (!prefs.getBoolean(PreferencesActivity.KEY_DISABLE_METERING, true)) { CameraConfigurationUtils.setVideoStabilization(parameters); CameraConfigurationUtils.setFocusArea(parameters); CameraConfigurationUtils.setMetering(parameters); } } parameters.setPreviewSize(bestPreviewSize.x, bestPreviewSize.y); theCamera.setDisplayOrientation(90); 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; } }
Example 17
Source File: CameraManager.java From weex with Apache License 2.0 | 4 votes |
/** * Opens the camera driver and initializes the hardware parameters. * * @param holder The surface object which the camera will draw preview frames into. * @throws IOException Indicates the camera driver failed to open. */ public synchronized void openDriver(SurfaceHolder holder) throws IOException { OpenCamera theCamera = camera; if (theCamera == null) { theCamera = OpenCameraInterface.open(requestedCameraId); if (theCamera == null) { throw new IOException("Camera.open() failed to return object from driver"); } camera = theCamera; } if (!initialized) { initialized = true; configManager.initFromCameraParameters(theCamera); if (requestedFramingRectWidth > 0 && requestedFramingRectHeight > 0) { setManualFramingRect(requestedFramingRectWidth, requestedFramingRectHeight); requestedFramingRectWidth = 0; requestedFramingRectHeight = 0; } } Camera cameraObject = theCamera.getCamera(); Camera.Parameters parameters = cameraObject.getParameters(); String parametersFlattened = parameters == null ? null : parameters.flatten(); // Save these, temporarily try { configManager.setDesiredCameraParameters(theCamera, false); } catch (RuntimeException re) { // Driver failed Log.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters"); Log.i(TAG, "Resetting to saved camera params: " + parametersFlattened); // Reset: if (parametersFlattened != null) { parameters = cameraObject.getParameters(); parameters.unflatten(parametersFlattened); try { cameraObject.setParameters(parameters); configManager.setDesiredCameraParameters(theCamera, true); } catch (RuntimeException re2) { // Well, darn. Give up Log.w(TAG, "Camera rejected even safe-mode parameters! No configuration"); } } } cameraObject.setPreviewDisplay(holder); }
Example 18
Source File: CameraConfigurationManager.java From ProjectX with Apache License 2.0 | 4 votes |
void setDesiredCameraParameters(OpenCamera camera, boolean safeMode) { Camera theCamera = camera.getCamera(); Camera.Parameters parameters = theCamera.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); CameraConfigurationUtils.setFocus( parameters, prefs.getBoolean(CameraPreferences.KEY_AUTO_FOCUS, true), prefs.getBoolean(CameraPreferences.KEY_DISABLE_CONTINUOUS_FOCUS, true), safeMode); if (!safeMode) { if (prefs.getBoolean(CameraPreferences.KEY_INVERT_SCAN, false)) { CameraConfigurationUtils.setInvertColor(parameters); } if (!prefs.getBoolean(CameraPreferences.KEY_DISABLE_BARCODE_SCENE_MODE, true)) { CameraConfigurationUtils.setBarcodeSceneMode(parameters); } if (!prefs.getBoolean(CameraPreferences.KEY_DISABLE_METERING, true)) { 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; } }
Example 19
Source File: CameraManager.java From Study_Android_Demo with Apache License 2.0 | 4 votes |
/** * Opens the camera driver and initializes the hardware parameters. * * @param holder The surface object which the camera will draw preview frames into. * @throws IOException Indicates the camera driver failed to open. */ public synchronized void openDriver(SurfaceHolder holder) throws IOException { OpenCamera theCamera = camera; if (theCamera == null) { theCamera = OpenCameraInterface.open(requestedCameraId); if (theCamera == null) { throw new IOException("Camera.open() failed to return object from driver"); } camera = theCamera; } if (!initialized) { initialized = true; configManager.initFromCameraParameters(theCamera); if (requestedFramingRectWidth > 0 && requestedFramingRectHeight > 0) { setManualFramingRect(requestedFramingRectWidth, requestedFramingRectHeight); requestedFramingRectWidth = 0; requestedFramingRectHeight = 0; } } Camera cameraObject = theCamera.getCamera(); Camera.Parameters parameters = cameraObject.getParameters(); String parametersFlattened = parameters == null ? null : parameters.flatten(); // Save these, temporarily try { configManager.setDesiredCameraParameters(theCamera, false); } catch (RuntimeException re) { // Driver failed Log.w(TAG, "Camera rejected parameters. Setting only minimal safe-mode parameters"); Log.i(TAG, "Resetting to saved camera params: " + parametersFlattened); // Reset: if (parametersFlattened != null) { parameters = cameraObject.getParameters(); parameters.unflatten(parametersFlattened); try { cameraObject.setParameters(parameters); configManager.setDesiredCameraParameters(theCamera, true); } catch (RuntimeException re2) { // Well, darn. Give up Log.w(TAG, "Camera rejected even safe-mode parameters! No configuration"); } } } cameraObject.setPreviewDisplay(holder); }
Example 20
Source File: CameraConfigurationManager.java From weex with Apache License 2.0 | 4 votes |
void setDesiredCameraParameters(OpenCamera camera, boolean safeMode) { Camera theCamera = camera.getCamera(); Camera.Parameters parameters = theCamera.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); CameraConfigurationUtils.setFocus( parameters, prefs.getBoolean(PreferencesActivity.KEY_AUTO_FOCUS, true), prefs.getBoolean(PreferencesActivity.KEY_DISABLE_CONTINUOUS_FOCUS, true), safeMode); if (!safeMode) { if (prefs.getBoolean(PreferencesActivity.KEY_INVERT_SCAN, false)) { CameraConfigurationUtils.setInvertColor(parameters); } if (!prefs.getBoolean(PreferencesActivity.KEY_DISABLE_BARCODE_SCENE_MODE, true)) { CameraConfigurationUtils.setBarcodeSceneMode(parameters); } if (!prefs.getBoolean(PreferencesActivity.KEY_DISABLE_METERING, true)) { CameraConfigurationUtils.setVideoStabilization(parameters); CameraConfigurationUtils.setFocusArea(parameters); CameraConfigurationUtils.setMetering(parameters); } } parameters.setPreviewSize(bestPreviewSize.x, bestPreviewSize.y); theCamera.setDisplayOrientation(90); 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; } }