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);
}
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);
}
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;
}
}