Merge branch 2.4
This commit is contained in:
@@ -7,7 +7,8 @@
|
||||
|
||||
<application
|
||||
android:icon="@drawable/icon"
|
||||
android:label="@string/app_name" >
|
||||
android:label="@string/app_name"
|
||||
android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
|
||||
|
||||
<activity
|
||||
android:name=".Puzzle15Activity"
|
||||
|
@@ -13,8 +13,8 @@ import android.util.Log;
|
||||
import android.view.Menu;
|
||||
import android.view.MenuItem;
|
||||
import android.view.MotionEvent;
|
||||
import android.view.Window;
|
||||
import android.view.View;
|
||||
import android.view.WindowManager;
|
||||
|
||||
public class Puzzle15Activity extends Activity implements CvCameraViewListener, View.OnTouchListener {
|
||||
|
||||
@@ -50,7 +50,7 @@ public class Puzzle15Activity extends Activity implements CvCameraViewListener,
|
||||
@Override
|
||||
public void onCreate(Bundle savedInstanceState) {
|
||||
super.onCreate(savedInstanceState);
|
||||
requestWindowFeature(Window.FEATURE_NO_TITLE);
|
||||
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
|
||||
|
||||
setContentView(R.layout.activity_puzzle15);
|
||||
|
||||
|
@@ -11,11 +11,11 @@ add_subdirectory(face-detection)
|
||||
add_subdirectory(image-manipulations)
|
||||
add_subdirectory(color-blob-detection)
|
||||
|
||||
add_subdirectory(tutorial-0-androidcamera)
|
||||
add_subdirectory(tutorial-1-addopencv)
|
||||
add_subdirectory(tutorial-2-opencvcamera)
|
||||
add_subdirectory(tutorial-3-native)
|
||||
add_subdirectory(tutorial-4-mixed)
|
||||
add_subdirectory(tutorial-5-cameracontrol)
|
||||
|
||||
#hello-android sample
|
||||
if(HAVE_opencv_highgui)
|
||||
|
@@ -4,7 +4,11 @@
|
||||
android:versionCode="21"
|
||||
android:versionName="2.1">
|
||||
|
||||
<application android:label="@string/app_name" android:icon="@drawable/icon">
|
||||
<application
|
||||
android:label="@string/app_name"
|
||||
android:icon="@drawable/icon"
|
||||
android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
|
||||
|
||||
<activity android:name="ColorBlobDetectionActivity"
|
||||
android:label="@string/app_name"
|
||||
android:screenOrientation="landscape"
|
||||
|
@@ -4,7 +4,11 @@
|
||||
android:versionCode="21"
|
||||
android:versionName="2.1">
|
||||
|
||||
<application android:label="@string/app_name" android:icon="@drawable/icon">
|
||||
<application
|
||||
android:label="@string/app_name"
|
||||
android:icon="@drawable/icon"
|
||||
android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
|
||||
|
||||
<activity android:name="FdActivity"
|
||||
android:label="@string/app_name"
|
||||
android:screenOrientation="landscape"
|
||||
|
@@ -86,9 +86,9 @@ JNIEXPORT jlong JNICALL Java_org_opencv_samples_facedetect_DetectionBasedTracker
|
||||
//trackingDetector->setMinObjectSize(Size(faceSize, faceSize));
|
||||
}
|
||||
}
|
||||
catch(cv::Exception e)
|
||||
catch(cv::Exception& e)
|
||||
{
|
||||
LOGD("nativeCreateObject catched cv::Exception: %s", e.what());
|
||||
LOGD("nativeCreateObject caught cv::Exception: %s", e.what());
|
||||
jclass je = jenv->FindClass("org/opencv/core/CvException");
|
||||
if(!je)
|
||||
je = jenv->FindClass("java/lang/Exception");
|
||||
@@ -96,7 +96,7 @@ JNIEXPORT jlong JNICALL Java_org_opencv_samples_facedetect_DetectionBasedTracker
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
LOGD("nativeCreateObject catched unknown exception");
|
||||
LOGD("nativeCreateObject caught unknown exception");
|
||||
jclass je = jenv->FindClass("java/lang/Exception");
|
||||
jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_facedetect_DetectionBasedTracker_nativeCreateObject(...)}");
|
||||
return 0;
|
||||
@@ -119,9 +119,9 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_facedetect_DetectionBasedTracker_
|
||||
delete (DetectorAgregator*)thiz;
|
||||
}
|
||||
}
|
||||
catch(cv::Exception e)
|
||||
catch(cv::Exception& e)
|
||||
{
|
||||
LOGD("nativeestroyObject catched cv::Exception: %s", e.what());
|
||||
LOGD("nativeestroyObject caught cv::Exception: %s", e.what());
|
||||
jclass je = jenv->FindClass("org/opencv/core/CvException");
|
||||
if(!je)
|
||||
je = jenv->FindClass("java/lang/Exception");
|
||||
@@ -129,7 +129,7 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_facedetect_DetectionBasedTracker_
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
LOGD("nativeDestroyObject catched unknown exception");
|
||||
LOGD("nativeDestroyObject caught unknown exception");
|
||||
jclass je = jenv->FindClass("java/lang/Exception");
|
||||
jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_facedetect_DetectionBasedTracker_nativeDestroyObject(...)}");
|
||||
}
|
||||
@@ -145,9 +145,9 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_facedetect_DetectionBasedTracker_
|
||||
{
|
||||
((DetectorAgregator*)thiz)->tracker->run();
|
||||
}
|
||||
catch(cv::Exception e)
|
||||
catch(cv::Exception& e)
|
||||
{
|
||||
LOGD("nativeStart catched cv::Exception: %s", e.what());
|
||||
LOGD("nativeStart caught cv::Exception: %s", e.what());
|
||||
jclass je = jenv->FindClass("org/opencv/core/CvException");
|
||||
if(!je)
|
||||
je = jenv->FindClass("java/lang/Exception");
|
||||
@@ -155,7 +155,7 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_facedetect_DetectionBasedTracker_
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
LOGD("nativeStart catched unknown exception");
|
||||
LOGD("nativeStart caught unknown exception");
|
||||
jclass je = jenv->FindClass("java/lang/Exception");
|
||||
jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_facedetect_DetectionBasedTracker_nativeStart(...)}");
|
||||
}
|
||||
@@ -171,9 +171,9 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_facedetect_DetectionBasedTracker_
|
||||
{
|
||||
((DetectorAgregator*)thiz)->tracker->stop();
|
||||
}
|
||||
catch(cv::Exception e)
|
||||
catch(cv::Exception& e)
|
||||
{
|
||||
LOGD("nativeStop catched cv::Exception: %s", e.what());
|
||||
LOGD("nativeStop caught cv::Exception: %s", e.what());
|
||||
jclass je = jenv->FindClass("org/opencv/core/CvException");
|
||||
if(!je)
|
||||
je = jenv->FindClass("java/lang/Exception");
|
||||
@@ -181,7 +181,7 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_facedetect_DetectionBasedTracker_
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
LOGD("nativeStop catched unknown exception");
|
||||
LOGD("nativeStop caught unknown exception");
|
||||
jclass je = jenv->FindClass("java/lang/Exception");
|
||||
jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_facedetect_DetectionBasedTracker_nativeStop(...)}");
|
||||
}
|
||||
@@ -201,9 +201,9 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_facedetect_DetectionBasedTracker_
|
||||
//((DetectorAgregator*)thiz)->trackingDetector->setMinObjectSize(Size(faceSize, faceSize));
|
||||
}
|
||||
}
|
||||
catch(cv::Exception e)
|
||||
catch(cv::Exception& e)
|
||||
{
|
||||
LOGD("nativeStop catched cv::Exception: %s", e.what());
|
||||
LOGD("nativeStop caught cv::Exception: %s", e.what());
|
||||
jclass je = jenv->FindClass("org/opencv/core/CvException");
|
||||
if(!je)
|
||||
je = jenv->FindClass("java/lang/Exception");
|
||||
@@ -211,7 +211,7 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_facedetect_DetectionBasedTracker_
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
LOGD("nativeSetFaceSize catched unknown exception");
|
||||
LOGD("nativeSetFaceSize caught unknown exception");
|
||||
jclass je = jenv->FindClass("java/lang/Exception");
|
||||
jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_facedetect_DetectionBasedTracker_nativeSetFaceSize(...)}");
|
||||
}
|
||||
@@ -231,9 +231,9 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_facedetect_DetectionBasedTracker_
|
||||
((DetectorAgregator*)thiz)->tracker->getObjects(RectFaces);
|
||||
*((Mat*)faces) = Mat(RectFaces, true);
|
||||
}
|
||||
catch(cv::Exception e)
|
||||
catch(cv::Exception& e)
|
||||
{
|
||||
LOGD("nativeCreateObject catched cv::Exception: %s", e.what());
|
||||
LOGD("nativeCreateObject caught cv::Exception: %s", e.what());
|
||||
jclass je = jenv->FindClass("org/opencv/core/CvException");
|
||||
if(!je)
|
||||
je = jenv->FindClass("java/lang/Exception");
|
||||
@@ -241,7 +241,7 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_facedetect_DetectionBasedTracker_
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
LOGD("nativeDetect catched unknown exception");
|
||||
LOGD("nativeDetect caught unknown exception");
|
||||
jclass je = jenv->FindClass("java/lang/Exception");
|
||||
jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_facedetect_DetectionBasedTracker_nativeDetect(...)}");
|
||||
}
|
||||
|
@@ -25,7 +25,6 @@ import android.os.Bundle;
|
||||
import android.util.Log;
|
||||
import android.view.Menu;
|
||||
import android.view.MenuItem;
|
||||
import android.view.Window;
|
||||
import android.view.WindowManager;
|
||||
|
||||
public class FdActivity extends Activity implements CvCameraViewListener {
|
||||
@@ -120,7 +119,6 @@ public class FdActivity extends Activity implements CvCameraViewListener {
|
||||
public void onCreate(Bundle savedInstanceState) {
|
||||
Log.i(TAG, "called onCreate");
|
||||
super.onCreate(savedInstanceState);
|
||||
requestWindowFeature(Window.FEATURE_NO_TITLE);
|
||||
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
|
||||
|
||||
setContentView(R.layout.face_detect_surface_view);
|
||||
|
@@ -4,7 +4,11 @@
|
||||
android:versionCode="21"
|
||||
android:versionName="2.1">
|
||||
|
||||
<application android:label="@string/app_name" android:icon="@drawable/icon">
|
||||
<application
|
||||
android:label="@string/app_name"
|
||||
android:icon="@drawable/icon"
|
||||
android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
|
||||
|
||||
<activity android:name="ImageManipulationsActivity"
|
||||
android:label="@string/app_name"
|
||||
android:screenOrientation="landscape"
|
||||
|
@@ -22,7 +22,6 @@ import android.os.Bundle;
|
||||
import android.util.Log;
|
||||
import android.view.Menu;
|
||||
import android.view.MenuItem;
|
||||
import android.view.Window;
|
||||
import android.view.WindowManager;
|
||||
|
||||
public class ImageManipulationsActivity extends Activity implements CvCameraViewListener {
|
||||
@@ -101,7 +100,6 @@ public class ImageManipulationsActivity extends Activity implements CvCameraView
|
||||
public void onCreate(Bundle savedInstanceState) {
|
||||
Log.i(TAG, "called onCreate");
|
||||
super.onCreate(savedInstanceState);
|
||||
requestWindowFeature(Window.FEATURE_NO_TITLE);
|
||||
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
|
||||
|
||||
setContentView(R.layout.image_manipulations_surface_view);
|
||||
|
@@ -1,7 +0,0 @@
|
||||
set(sample example-tutorial-0-androidcamera)
|
||||
|
||||
add_android_project(${sample} "${CMAKE_CURRENT_SOURCE_DIR}" SDK_TARGET 11 ${ANDROID_SDK_TARGET})
|
||||
if(TARGET ${sample})
|
||||
add_dependencies(opencv_android_examples ${sample})
|
||||
endif()
|
||||
|
@@ -1,53 +0,0 @@
|
||||
package org.opencv.samples.tutorial0;
|
||||
|
||||
import android.app.Activity;
|
||||
import android.app.AlertDialog;
|
||||
import android.content.DialogInterface;
|
||||
import android.os.Bundle;
|
||||
import android.util.Log;
|
||||
import android.view.Window;
|
||||
|
||||
public class Sample0Base extends Activity {
|
||||
|
||||
private static final String TAG = "OCVSample::Activity";
|
||||
private Sample0View mView;
|
||||
|
||||
public Sample0Base() {
|
||||
Log.i(TAG, "Instantiated new " + this.getClass());
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onPause() {
|
||||
Log.i(TAG, "called onPause");
|
||||
super.onPause();
|
||||
mView.releaseCamera();
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onResume() {
|
||||
Log.i(TAG, "called onResume");
|
||||
super.onResume();
|
||||
if( !mView.openCamera() ) {
|
||||
AlertDialog ad = new AlertDialog.Builder(this).create();
|
||||
ad.setCancelable(false); // This blocks the 'BACK' button
|
||||
ad.setMessage("Fatal error: can't open camera!");
|
||||
ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() {
|
||||
public void onClick(DialogInterface dialog, int which) {
|
||||
dialog.dismiss();
|
||||
finish();
|
||||
}
|
||||
});
|
||||
ad.show();
|
||||
}
|
||||
}
|
||||
|
||||
/** Called when the activity is first created. */
|
||||
@Override
|
||||
public void onCreate(Bundle savedInstanceState) {
|
||||
Log.i(TAG, "called onCreate");
|
||||
super.onCreate(savedInstanceState);
|
||||
requestWindowFeature(Window.FEATURE_NO_TITLE);
|
||||
mView = new Sample0View(this);
|
||||
setContentView(mView);
|
||||
}
|
||||
}
|
@@ -1,91 +0,0 @@
|
||||
package org.opencv.samples.tutorial0;
|
||||
|
||||
import android.content.Context;
|
||||
import android.graphics.Bitmap;
|
||||
import android.util.Log;
|
||||
|
||||
class Sample0View extends SampleViewBase {
|
||||
|
||||
private static final String TAG = "OCVSample::View";
|
||||
|
||||
public static final int VIEW_MODE_RGBA = 0;
|
||||
public static final int VIEW_MODE_GRAY = 1;
|
||||
|
||||
int mSize;
|
||||
int[] mRGBA;
|
||||
private Bitmap mBitmap;
|
||||
private int mViewMode;
|
||||
|
||||
public Sample0View(Context context) {
|
||||
super(context);
|
||||
mSize = 0;
|
||||
mViewMode = VIEW_MODE_RGBA;
|
||||
Log.i(TAG, "Instantiated new " + this.getClass());
|
||||
}
|
||||
|
||||
@Override
|
||||
protected Bitmap processFrame(byte[] data) {
|
||||
int frameSize = getFrameWidth() * getFrameHeight();
|
||||
|
||||
int[] rgba = mRGBA;
|
||||
|
||||
final int view_mode = mViewMode;
|
||||
if (view_mode == VIEW_MODE_GRAY) {
|
||||
for (int i = 0; i < frameSize; i++) {
|
||||
int y = (0xff & ((int) data[i]));
|
||||
rgba[i] = 0xff000000 + (y << 16) + (y << 8) + y;
|
||||
}
|
||||
} else if (view_mode == VIEW_MODE_RGBA) {
|
||||
for (int i = 0; i < getFrameHeight(); i++) {
|
||||
for (int j = 0; j < getFrameWidth(); j++) {
|
||||
int index = i * getFrameWidth() + j;
|
||||
int supply_index = frameSize + (i >> 1) * getFrameWidth() + (j & ~1);
|
||||
int y = (0xff & ((int) data[index]));
|
||||
int u = (0xff & ((int) data[supply_index + 0]));
|
||||
int v = (0xff & ((int) data[supply_index + 1]));
|
||||
y = y < 16 ? 16 : y;
|
||||
|
||||
float y_conv = 1.164f * (y - 16);
|
||||
int r = Math.round(y_conv + 1.596f * (v - 128));
|
||||
int g = Math.round(y_conv - 0.813f * (v - 128) - 0.391f * (u - 128));
|
||||
int b = Math.round(y_conv + 2.018f * (u - 128));
|
||||
|
||||
r = r < 0 ? 0 : (r > 255 ? 255 : r);
|
||||
g = g < 0 ? 0 : (g > 255 ? 255 : g);
|
||||
b = b < 0 ? 0 : (b > 255 ? 255 : b);
|
||||
|
||||
rgba[i * getFrameWidth() + j] = 0xff000000 + (b << 16) + (g << 8) + r;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
mBitmap.setPixels(rgba, 0/* offset */, getFrameWidth() /* stride */, 0, 0, getFrameWidth(), getFrameHeight());
|
||||
return mBitmap;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onPreviewStarted(int previewWidth, int previewHeight) {
|
||||
Log.i(TAG, "called onPreviewStarted("+previewWidth+", "+previewHeight+")");
|
||||
/* Create a bitmap that will be used through to calculate the image to */
|
||||
mBitmap = Bitmap.createBitmap(previewWidth, previewHeight, Bitmap.Config.ARGB_8888);
|
||||
mRGBA = new int[previewWidth * previewHeight];
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onPreviewStopped() {
|
||||
Log.i(TAG, "called onPreviewStopped");
|
||||
if(mBitmap != null) {
|
||||
mBitmap.recycle();
|
||||
mBitmap = null;
|
||||
}
|
||||
|
||||
if(mRGBA != null) {
|
||||
mRGBA = null;
|
||||
}
|
||||
}
|
||||
|
||||
public void setViewMode(int viewMode) {
|
||||
Log.i(TAG, "called setViewMode("+viewMode+")");
|
||||
mViewMode = viewMode;
|
||||
}
|
||||
}
|
@@ -1,231 +0,0 @@
|
||||
package org.opencv.samples.tutorial0;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.List;
|
||||
|
||||
import android.annotation.TargetApi;
|
||||
import android.content.Context;
|
||||
import android.graphics.Bitmap;
|
||||
import android.graphics.Canvas;
|
||||
import android.graphics.ImageFormat;
|
||||
import android.graphics.SurfaceTexture;
|
||||
import android.hardware.Camera;
|
||||
import android.hardware.Camera.PreviewCallback;
|
||||
import android.os.Build;
|
||||
import android.util.Log;
|
||||
import android.view.SurfaceHolder;
|
||||
import android.view.SurfaceView;
|
||||
|
||||
public abstract class SampleViewBase extends SurfaceView implements SurfaceHolder.Callback, Runnable {
|
||||
private static final String TAG = "OCVSample::BaseView";
|
||||
|
||||
private Camera mCamera;
|
||||
private SurfaceHolder mHolder;
|
||||
private int mFrameWidth;
|
||||
private int mFrameHeight;
|
||||
private byte[] mFrame;
|
||||
private volatile boolean mThreadRun;
|
||||
private byte[] mBuffer;
|
||||
private SurfaceTexture mSf;
|
||||
|
||||
|
||||
public SampleViewBase(Context context) {
|
||||
super(context);
|
||||
mHolder = getHolder();
|
||||
mHolder.addCallback(this);
|
||||
Log.i(TAG, "Instantiated new " + this.getClass());
|
||||
}
|
||||
|
||||
public int getFrameWidth() {
|
||||
return mFrameWidth;
|
||||
}
|
||||
|
||||
public int getFrameHeight() {
|
||||
return mFrameHeight;
|
||||
}
|
||||
|
||||
@TargetApi(11)
|
||||
public void setPreview() throws IOException {
|
||||
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
|
||||
mSf = new SurfaceTexture(10);
|
||||
mCamera.setPreviewTexture( mSf );
|
||||
}
|
||||
else
|
||||
mCamera.setPreviewDisplay(null);
|
||||
}
|
||||
|
||||
public boolean openCamera() {
|
||||
Log.i(TAG, "Opening Camera");
|
||||
mCamera = null;
|
||||
|
||||
try {
|
||||
mCamera = Camera.open();
|
||||
}
|
||||
catch (Exception e){
|
||||
Log.e(TAG, "Camera is not available (in use or does not exist): " + e.getLocalizedMessage());
|
||||
}
|
||||
|
||||
if(mCamera == null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD) {
|
||||
for (int camIdx = 0; camIdx < Camera.getNumberOfCameras(); ++camIdx) {
|
||||
try {
|
||||
mCamera = Camera.open(camIdx);
|
||||
}
|
||||
catch (RuntimeException e) {
|
||||
Log.e(TAG, "Camera #" + camIdx + "failed to open: " + e.getLocalizedMessage());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if(mCamera == null) {
|
||||
Log.e(TAG, "Can't open any camera");
|
||||
return false;
|
||||
}
|
||||
|
||||
mCamera.setPreviewCallbackWithBuffer(new PreviewCallback() {
|
||||
public void onPreviewFrame(byte[] data, Camera camera) {
|
||||
synchronized (SampleViewBase.this) {
|
||||
System.arraycopy(data, 0, mFrame, 0, data.length);
|
||||
SampleViewBase.this.notify();
|
||||
}
|
||||
camera.addCallbackBuffer(mBuffer);
|
||||
}
|
||||
});
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
public void releaseCamera() {
|
||||
Log.i(TAG, "Releasing Camera");
|
||||
mThreadRun = false;
|
||||
synchronized (this) {
|
||||
if (mCamera != null) {
|
||||
mCamera.stopPreview();
|
||||
mCamera.release();
|
||||
mCamera = null;
|
||||
}
|
||||
}
|
||||
onPreviewStopped();
|
||||
}
|
||||
|
||||
public synchronized void setupCamera(int width, int height) {
|
||||
if (mCamera != null) {
|
||||
Log.i(TAG, "Setup Camera - " + width + "x" + height);
|
||||
Camera.Parameters params = mCamera.getParameters();
|
||||
List<Camera.Size> sizes = params.getSupportedPreviewSizes();
|
||||
mFrameWidth = width;
|
||||
mFrameHeight = height;
|
||||
|
||||
// selecting optimal camera preview size
|
||||
{
|
||||
int minDiff = Integer.MAX_VALUE;
|
||||
for (Camera.Size size : sizes) {
|
||||
if (Math.abs(size.height - height) < minDiff) {
|
||||
mFrameWidth = size.width;
|
||||
mFrameHeight = size.height;
|
||||
minDiff = Math.abs(size.height - height);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
params.setPreviewSize(getFrameWidth(), getFrameHeight());
|
||||
|
||||
List<String> FocusModes = params.getSupportedFocusModes();
|
||||
if (FocusModes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO))
|
||||
{
|
||||
params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
|
||||
}
|
||||
|
||||
mCamera.setParameters(params);
|
||||
|
||||
/* Now allocate the buffer */
|
||||
params = mCamera.getParameters();
|
||||
int size = params.getPreviewSize().width * params.getPreviewSize().height;
|
||||
size = size * ImageFormat.getBitsPerPixel(params.getPreviewFormat()) / 8;
|
||||
mBuffer = new byte[size];
|
||||
/* The buffer where the current frame will be copied */
|
||||
mFrame = new byte [size];
|
||||
mCamera.addCallbackBuffer(mBuffer);
|
||||
|
||||
/* Notify that the preview is about to be started and deliver preview size */
|
||||
onPreviewStarted(params.getPreviewSize().width, params.getPreviewSize().height);
|
||||
|
||||
try {
|
||||
setPreview();
|
||||
} catch (IOException e) {
|
||||
Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e);
|
||||
}
|
||||
|
||||
/* Now we can start a preview */
|
||||
mCamera.startPreview();
|
||||
}
|
||||
}
|
||||
|
||||
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
|
||||
Log.i(TAG, "called surfaceChanged");
|
||||
// stop preview before making changes
|
||||
try {
|
||||
mCamera.stopPreview();
|
||||
} catch (Exception e){
|
||||
// ignore: tried to stop a non-existent preview
|
||||
}
|
||||
|
||||
// start preview with new settings
|
||||
setupCamera(width, height);
|
||||
}
|
||||
|
||||
public void surfaceCreated(SurfaceHolder holder) {
|
||||
Log.i(TAG, "called surfaceCreated");
|
||||
(new Thread(this)).start();
|
||||
}
|
||||
|
||||
public void surfaceDestroyed(SurfaceHolder holder) {
|
||||
Log.i(TAG, "called surfaceDestroyed");
|
||||
}
|
||||
|
||||
/* The bitmap returned by this method shall be owned by the child and released in onPreviewStopped() */
|
||||
protected abstract Bitmap processFrame(byte[] data);
|
||||
|
||||
/**
|
||||
* This method is called when the preview process is being started. It is called before the first frame delivered and processFrame is called
|
||||
* It is called with the width and height parameters of the preview process. It can be used to prepare the data needed during the frame processing.
|
||||
* @param previewWidth - the width of the preview frames that will be delivered via processFrame
|
||||
* @param previewHeight - the height of the preview frames that will be delivered via processFrame
|
||||
*/
|
||||
protected abstract void onPreviewStarted(int previewWidtd, int previewHeight);
|
||||
|
||||
/**
|
||||
* This method is called when preview is stopped. When this method is called the preview stopped and all the processing of frames already completed.
|
||||
* If the Bitmap object returned via processFrame is cached - it is a good time to recycle it.
|
||||
* Any other resources used during the preview can be released.
|
||||
*/
|
||||
protected abstract void onPreviewStopped();
|
||||
|
||||
public void run() {
|
||||
mThreadRun = true;
|
||||
Log.i(TAG, "Started processing thread");
|
||||
while (mThreadRun) {
|
||||
Bitmap bmp = null;
|
||||
|
||||
synchronized (this) {
|
||||
try {
|
||||
this.wait();
|
||||
if (!mThreadRun)
|
||||
break;
|
||||
bmp = processFrame(mFrame);
|
||||
} catch (InterruptedException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
|
||||
if (bmp != null) {
|
||||
Canvas canvas = mHolder.lockCanvas();
|
||||
if (canvas != null) {
|
||||
canvas.drawColor(0, android.graphics.PorterDuff.Mode.CLEAR);
|
||||
canvas.drawBitmap(bmp, (canvas.getWidth() - getFrameWidth()) / 2, (canvas.getHeight() - getFrameHeight()) / 2, null);
|
||||
mHolder.unlockCanvasAndPost(canvas);
|
||||
}
|
||||
}
|
||||
}
|
||||
Log.i(TAG, "Finished processing thread");
|
||||
}
|
||||
}
|
@@ -4,7 +4,11 @@
|
||||
android:versionCode="21"
|
||||
android:versionName="2.1">
|
||||
|
||||
<application android:label="@string/app_name" android:icon="@drawable/icon">
|
||||
<application
|
||||
android:label="@string/app_name"
|
||||
android:icon="@drawable/icon"
|
||||
android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
|
||||
|
||||
<activity android:name="Sample1Java"
|
||||
android:label="@string/app_name"
|
||||
android:screenOrientation="landscape"
|
||||
|
@@ -1,5 +1,6 @@
|
||||
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
xmlns:tools="http://schemas.android.com/tools"
|
||||
xmlns:opencv="http://schemas.android.com/apk/res-auto"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="match_parent" >
|
||||
|
||||
@@ -7,12 +8,16 @@
|
||||
android:layout_width="fill_parent"
|
||||
android:layout_height="fill_parent"
|
||||
android:visibility="gone"
|
||||
android:id="@+id/tutorial1_activity_java_surface_view" />
|
||||
android:id="@+id/tutorial1_activity_java_surface_view"
|
||||
opencv:show_fps="true"
|
||||
opencv:camera_id="any" />
|
||||
|
||||
<org.opencv.android.NativeCameraView
|
||||
android:layout_width="fill_parent"
|
||||
android:layout_height="fill_parent"
|
||||
android:visibility="gone"
|
||||
android:id="@+id/tutorial1_activity_native_surface_view" />
|
||||
android:id="@+id/tutorial1_activity_native_surface_view"
|
||||
opencv:show_fps="true"
|
||||
opencv:camera_id="any" />
|
||||
|
||||
</LinearLayout>
|
||||
|
@@ -13,7 +13,6 @@ import android.util.Log;
|
||||
import android.view.Menu;
|
||||
import android.view.MenuItem;
|
||||
import android.view.SurfaceView;
|
||||
import android.view.Window;
|
||||
import android.view.WindowManager;
|
||||
import android.widget.Toast;
|
||||
|
||||
@@ -50,7 +49,6 @@ public class Sample1Java extends Activity implements CvCameraViewListener {
|
||||
public void onCreate(Bundle savedInstanceState) {
|
||||
Log.i(TAG, "called onCreate");
|
||||
super.onCreate(savedInstanceState);
|
||||
requestWindowFeature(Window.FEATURE_NO_TITLE);
|
||||
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
|
||||
|
||||
setContentView(R.layout.tutorial1_surface_view);
|
||||
|
@@ -4,7 +4,11 @@
|
||||
android:versionCode="21"
|
||||
android:versionName="2.1">
|
||||
|
||||
<application android:label="@string/app_name" android:icon="@drawable/icon">
|
||||
<application
|
||||
android:label="@string/app_name"
|
||||
android:icon="@drawable/icon"
|
||||
android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
|
||||
|
||||
<activity android:name="Sample2NativeCamera"
|
||||
android:label="@string/app_name"
|
||||
android:screenOrientation="landscape"
|
||||
|
@@ -18,7 +18,6 @@ import android.os.Bundle;
|
||||
import android.util.Log;
|
||||
import android.view.Menu;
|
||||
import android.view.MenuItem;
|
||||
import android.view.Window;
|
||||
import android.view.WindowManager;
|
||||
|
||||
public class Sample2NativeCamera extends Activity implements CvCameraViewListener {
|
||||
@@ -63,7 +62,6 @@ public class Sample2NativeCamera extends Activity implements CvCameraViewListene
|
||||
public void onCreate(Bundle savedInstanceState) {
|
||||
Log.i(TAG, "called onCreate");
|
||||
super.onCreate(savedInstanceState);
|
||||
requestWindowFeature(Window.FEATURE_NO_TITLE);
|
||||
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
|
||||
|
||||
setContentView(R.layout.tutorial2_surface_view);
|
||||
@@ -112,7 +110,7 @@ public class Sample2NativeCamera extends Activity implements CvCameraViewListene
|
||||
case Sample2NativeCamera.VIEW_MODE_RGBA:
|
||||
{
|
||||
inputFrame.copyTo(mRgba);
|
||||
Core.putText(mRgba, "OpenCV+Android", new Point(10, 50), 3, 1, new Scalar(255, 0, 0, 255), 2);
|
||||
Core.putText(mRgba, "OpenCV+Android", new Point(10, inputFrame.rows() - 10), 3, 1, new Scalar(255, 0, 0, 255), 2);
|
||||
} break;
|
||||
case Sample2NativeCamera.VIEW_MODE_CANNY:
|
||||
{
|
||||
|
@@ -4,7 +4,11 @@
|
||||
android:versionCode="21"
|
||||
android:versionName="2.1">
|
||||
|
||||
<application android:label="@string/app_name" android:icon="@drawable/icon">
|
||||
<application
|
||||
android:label="@string/app_name"
|
||||
android:icon="@drawable/icon"
|
||||
android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
|
||||
|
||||
<activity android:name="Sample3Native"
|
||||
android:label="@string/app_name"
|
||||
android:screenOrientation="landscape"
|
||||
|
@@ -12,14 +12,16 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_tutorial3_Sample3Native_FindFeatu
|
||||
|
||||
JNIEXPORT void JNICALL Java_org_opencv_samples_tutorial3_Sample3Native_FindFeatures(JNIEnv*, jobject, jlong addrGray, jlong addrRgba)
|
||||
{
|
||||
Mat* pMatGr=(Mat*)addrGray;
|
||||
Mat* pMatRgb=(Mat*)addrRgba;
|
||||
Mat& mGr = *(Mat*)addrGray;
|
||||
Mat& mRgb = *(Mat*)addrRgba;
|
||||
vector<KeyPoint> v;
|
||||
|
||||
FastFeatureDetector detector(50);
|
||||
detector.detect(*pMatGr, v);
|
||||
for( size_t i = 0; i < v.size(); i++ )
|
||||
circle(*pMatRgb, Point(v[i].pt.x, v[i].pt.y), 10, Scalar(255,0,0,255));
|
||||
detector.detect(mGr, v);
|
||||
for( unsigned int i = 0; i < v.size(); i++ )
|
||||
{
|
||||
const KeyPoint& kp = v[i];
|
||||
circle(mRgb, Point(kp.pt.x, kp.pt.y), 10, Scalar(255,0,0,255));
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
@@ -12,7 +12,6 @@ import org.opencv.imgproc.Imgproc;
|
||||
import android.app.Activity;
|
||||
import android.os.Bundle;
|
||||
import android.util.Log;
|
||||
import android.view.Window;
|
||||
import android.view.WindowManager;
|
||||
|
||||
public class Sample3Native extends Activity implements CvCameraViewListener {
|
||||
@@ -52,7 +51,6 @@ public class Sample3Native extends Activity implements CvCameraViewListener {
|
||||
public void onCreate(Bundle savedInstanceState) {
|
||||
Log.i(TAG, "called onCreate");
|
||||
super.onCreate(savedInstanceState);
|
||||
requestWindowFeature(Window.FEATURE_NO_TITLE);
|
||||
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
|
||||
|
||||
setContentView(R.layout.tutorial3_surface_view);
|
||||
|
@@ -4,7 +4,11 @@
|
||||
android:versionCode="21"
|
||||
android:versionName="2.1">
|
||||
|
||||
<application android:label="@string/app_name" android:icon="@drawable/icon">
|
||||
<application
|
||||
android:label="@string/app_name"
|
||||
android:icon="@drawable/icon"
|
||||
android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
|
||||
|
||||
<activity android:name="Sample4Mixed"
|
||||
android:label="@string/app_name"
|
||||
android:screenOrientation="landscape"
|
||||
|
@@ -12,14 +12,16 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_tutorial4_Sample4Mixed_FindFeatur
|
||||
|
||||
JNIEXPORT void JNICALL Java_org_opencv_samples_tutorial4_Sample4Mixed_FindFeatures(JNIEnv*, jobject, jlong addrGray, jlong addrRgba)
|
||||
{
|
||||
Mat* pMatGr=(Mat*)addrGray;
|
||||
Mat* pMatRgb=(Mat*)addrRgba;
|
||||
Mat& mGr = *(Mat*)addrGray;
|
||||
Mat& mRgb = *(Mat*)addrRgba;
|
||||
vector<KeyPoint> v;
|
||||
|
||||
FastFeatureDetector detector(50);
|
||||
detector.detect(*pMatGr, v);
|
||||
for( size_t i = 0; i < v.size(); i++ )
|
||||
circle(*pMatRgb, Point(v[i].pt.x, v[i].pt.y), 10, Scalar(255,0,0,255));
|
||||
detector.detect(mGr, v);
|
||||
for( unsigned int i = 0; i < v.size(); i++ )
|
||||
{
|
||||
const KeyPoint& kp = v[i];
|
||||
circle(mRgb, Point(kp.pt.x, kp.pt.y), 10, Scalar(255,0,0,255));
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
@@ -15,7 +15,6 @@ import android.os.Bundle;
|
||||
import android.util.Log;
|
||||
import android.view.Menu;
|
||||
import android.view.MenuItem;
|
||||
import android.view.Window;
|
||||
import android.view.WindowManager;
|
||||
|
||||
public class Sample4Mixed extends Activity implements CvCameraViewListener {
|
||||
@@ -68,7 +67,6 @@ public class Sample4Mixed extends Activity implements CvCameraViewListener {
|
||||
public void onCreate(Bundle savedInstanceState) {
|
||||
Log.i(TAG, "called onCreate");
|
||||
super.onCreate(savedInstanceState);
|
||||
requestWindowFeature(Window.FEATURE_NO_TITLE);
|
||||
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
|
||||
|
||||
setContentView(R.layout.tutorial4_surface_view);
|
||||
|
@@ -1,7 +1,7 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<classpath>
|
||||
<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
|
||||
<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
|
||||
<classpathentry kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
|
||||
<classpathentry kind="src" path="src"/>
|
||||
<classpathentry kind="src" path="gen"/>
|
||||
<classpathentry kind="output" path="bin/classes"/>
|
@@ -1,6 +1,6 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<projectDescription>
|
||||
<name>OpenCV Tutorial 0 - Android Camera</name>
|
||||
<name>OpenCV Tutorial 5 - Camera Control</name>
|
||||
<comment></comment>
|
||||
<projects>
|
||||
</projects>
|
@@ -1,11 +1,15 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
package="org.opencv.samples.tutorial0"
|
||||
package="org.opencv.samples.tutorial5"
|
||||
android:versionCode="21"
|
||||
android:versionName="2.1">
|
||||
|
||||
<application android:label="@string/app_name" android:icon="@drawable/icon">
|
||||
<activity android:name="Sample0Base"
|
||||
<application
|
||||
android:label="@string/app_name"
|
||||
android:icon="@drawable/icon"
|
||||
android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
|
||||
|
||||
<activity android:name="Sample5CameraControl"
|
||||
android:label="@string/app_name"
|
||||
android:screenOrientation="landscape"
|
||||
android:configChanges="keyboardHidden|orientation">
|
||||
@@ -30,5 +34,6 @@
|
||||
<uses-feature android:name="android.hardware.camera.autofocus" android:required="false"/>
|
||||
<uses-feature android:name="android.hardware.camera.front" android:required="false"/>
|
||||
<uses-feature android:name="android.hardware.camera.front.autofocus" android:required="false"/>
|
||||
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
|
||||
|
||||
</manifest>
|
7
samples/android/tutorial-5-cameracontrol/CMakeLists.txt
Normal file
7
samples/android/tutorial-5-cameracontrol/CMakeLists.txt
Normal file
@@ -0,0 +1,7 @@
|
||||
set(sample example-tutorial-5-cameracontrol)
|
||||
|
||||
add_android_project(${sample} "${CMAKE_CURRENT_SOURCE_DIR}" LIBRARY_DEPS ${OpenCV_BINARY_DIR} SDK_TARGET 11 ${ANDROID_SDK_TARGET})
|
||||
if(TARGET ${sample})
|
||||
add_dependencies(opencv_android_examples ${sample})
|
||||
endif()
|
||||
|
Before Width: | Height: | Size: 2.0 KiB After Width: | Height: | Size: 2.0 KiB |
@@ -0,0 +1,12 @@
|
||||
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
xmlns:tools="http://schemas.android.com/tools"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="match_parent" >
|
||||
|
||||
<org.opencv.samples.tutorial5.SampleJavaCameraView
|
||||
android:layout_width="fill_parent"
|
||||
android:layout_height="fill_parent"
|
||||
android:visibility="gone"
|
||||
android:id="@+id/tutorial5_activity_java_surface_view" />
|
||||
|
||||
</LinearLayout>
|
@@ -1,4 +1,4 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<resources>
|
||||
<string name="app_name">OCV T0 Android Camera</string>
|
||||
<string name="app_name">OCV T5 Camera Control</string>
|
||||
</resources>
|
@@ -0,0 +1,127 @@
|
||||
package org.opencv.samples.tutorial5;
|
||||
|
||||
import java.util.List;
|
||||
import java.util.ListIterator;
|
||||
|
||||
import org.opencv.android.BaseLoaderCallback;
|
||||
import org.opencv.android.LoaderCallbackInterface;
|
||||
import org.opencv.android.OpenCVLoader;
|
||||
import org.opencv.core.Mat;
|
||||
import org.opencv.android.CameraBridgeViewBase.CvCameraViewListener;
|
||||
|
||||
import android.app.Activity;
|
||||
import android.os.Bundle;
|
||||
import android.os.Environment;
|
||||
import android.util.Log;
|
||||
import android.view.Menu;
|
||||
import android.view.MenuItem;
|
||||
import android.view.MotionEvent;
|
||||
import android.view.SurfaceView;
|
||||
import android.view.View;
|
||||
import android.view.View.OnTouchListener;
|
||||
import android.view.WindowManager;
|
||||
|
||||
public class Sample5CameraControl extends Activity implements CvCameraViewListener, OnTouchListener {
|
||||
private static final String TAG = "OCVSample::Activity";
|
||||
|
||||
private SampleJavaCameraView mOpenCvCameraView;
|
||||
private MenuItem[] mEffectMenuItems;
|
||||
|
||||
private BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback(this) {
|
||||
@Override
|
||||
public void onManagerConnected(int status) {
|
||||
switch (status) {
|
||||
case LoaderCallbackInterface.SUCCESS:
|
||||
{
|
||||
Log.i(TAG, "OpenCV loaded successfully");
|
||||
mOpenCvCameraView.enableView();
|
||||
mOpenCvCameraView.setOnTouchListener(Sample5CameraControl.this);
|
||||
} break;
|
||||
default:
|
||||
{
|
||||
super.onManagerConnected(status);
|
||||
} break;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
public Sample5CameraControl() {
|
||||
Log.i(TAG, "Instantiated new " + this.getClass());
|
||||
}
|
||||
|
||||
/** Called when the activity is first created. */
|
||||
@Override
|
||||
public void onCreate(Bundle savedInstanceState) {
|
||||
Log.i(TAG, "called onCreate");
|
||||
super.onCreate(savedInstanceState);
|
||||
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
|
||||
|
||||
setContentView(R.layout.tutorial5_surface_view);
|
||||
|
||||
mOpenCvCameraView = (SampleJavaCameraView) findViewById(R.id.tutorial5_activity_java_surface_view);
|
||||
|
||||
mOpenCvCameraView.setVisibility(SurfaceView.VISIBLE);
|
||||
|
||||
mOpenCvCameraView.setCvCameraViewListener(this);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onPause()
|
||||
{
|
||||
if (mOpenCvCameraView != null)
|
||||
mOpenCvCameraView.disableView();
|
||||
super.onPause();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onResume()
|
||||
{
|
||||
super.onResume();
|
||||
OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_3, this, mLoaderCallback);
|
||||
}
|
||||
|
||||
public void onDestroy() {
|
||||
super.onDestroy();
|
||||
if (mOpenCvCameraView != null)
|
||||
mOpenCvCameraView.disableView();
|
||||
}
|
||||
|
||||
public void onCameraViewStarted(int width, int height) {
|
||||
}
|
||||
|
||||
public void onCameraViewStopped() {
|
||||
}
|
||||
|
||||
public Mat onCameraFrame(Mat inputFrame) {
|
||||
return inputFrame;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean onCreateOptionsMenu(Menu menu) {
|
||||
List<String> effects = mOpenCvCameraView.getEffectList();
|
||||
|
||||
mEffectMenuItems = new MenuItem[effects.size()];
|
||||
|
||||
int idx = 0;
|
||||
ListIterator<String> itr = effects.listIterator();
|
||||
while(itr.hasNext()) {
|
||||
String element = itr.next();
|
||||
mEffectMenuItems[idx] = menu.add(element);
|
||||
idx++;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
public boolean onOptionsItemSelected(MenuItem item) {
|
||||
Log.i(TAG, "called onOptionsItemSelected; selected item: " + item);
|
||||
mOpenCvCameraView.setEffect((String) item.getTitle());
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean onTouch(View v, MotionEvent event) {
|
||||
Log.i(TAG,"onTouch event");
|
||||
mOpenCvCameraView.takePicture(Environment.getExternalStorageDirectory().getPath() + "/sample_picture.jpg");
|
||||
return false;
|
||||
}
|
||||
}
|
@@ -0,0 +1,60 @@
|
||||
package org.opencv.samples.tutorial5;
|
||||
|
||||
import java.io.FileOutputStream;
|
||||
import java.util.List;
|
||||
|
||||
import org.opencv.android.JavaCameraView;
|
||||
|
||||
import android.content.Context;
|
||||
import android.graphics.Bitmap;
|
||||
import android.graphics.BitmapFactory;
|
||||
import android.hardware.Camera;
|
||||
import android.hardware.Camera.PictureCallback;
|
||||
import android.util.AttributeSet;
|
||||
import android.util.Log;
|
||||
|
||||
public class SampleJavaCameraView extends JavaCameraView {
|
||||
|
||||
private static final String TAG = "Sample::SampleJavaCameraView";
|
||||
|
||||
public SampleJavaCameraView(Context context, AttributeSet attrs) {
|
||||
super(context, attrs);
|
||||
}
|
||||
|
||||
public List<String> getEffectList() {
|
||||
return mCamera.getParameters().getSupportedColorEffects();
|
||||
}
|
||||
|
||||
public String getEffect() {
|
||||
return mCamera.getParameters().getColorEffect();
|
||||
}
|
||||
|
||||
public void setEffect(String effect) {
|
||||
Camera.Parameters params = mCamera.getParameters();
|
||||
params.setColorEffect(effect);
|
||||
mCamera.setParameters(params);
|
||||
}
|
||||
|
||||
public void takePicture(final String fileName) {
|
||||
Log.i(TAG, "Tacking picture");
|
||||
PictureCallback callback = new PictureCallback() {
|
||||
|
||||
private String mPictureFileName = fileName;
|
||||
|
||||
@Override
|
||||
public void onPictureTaken(byte[] data, Camera camera) {
|
||||
Log.i(TAG, "Saving a bitmap to file");
|
||||
Bitmap picture = BitmapFactory.decodeByteArray(data, 0, data.length);
|
||||
try {
|
||||
FileOutputStream out = new FileOutputStream(mPictureFileName);
|
||||
picture.compress(Bitmap.CompressFormat.JPEG, 90, out);
|
||||
mCamera.startPreview();
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
mCamera.takePicture(null, null, callback);
|
||||
}
|
||||
}
|
Reference in New Issue
Block a user