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;
}
initializeTorch(parameters, safeMode);
CameraConfigurationUtils.setFocus(parameters, true, true, safeMode);
if (!safeMode) {
CameraConfigurationUtils.setBarcodeSceneMode(parameters);
CameraConfigurationUtils.setVideoStabilization(parameters);
CameraConfigurationUtils.setFocusArea(parameters);
CameraConfigurationUtils.setMetering(parameters);
}
parameters.setPreviewSize(cameraResolution.x, cameraResolution.y);
Log.i(TAG, "Final camera parameters: " + parameters.flatten());
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;
}
camera.setDisplayOrientation(90);
}
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);
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(cameraResolution.x, cameraResolution.y);
Log.i(TAG, "Final camera parameters: " + parameters.flatten());
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;
}
}