generic-library/opencv
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Tutorial-1-Java -> Tutorial-1-CameraPreview

Browse Source 
Issues fix.
This commit is contained in:
Alexander Smorkalov 2013-02-05 15:46:47 +04:00
parent 507e2dc0ad
commit 9a2d6f854b
5 changed files with 1 additions and 255 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
samples/android/tutorial-1-camerapreview/AndroidManifest.xml
View File

@ -9,7 +9,7 @@
android:icon="@drawable/icon" android:icon="@drawable/icon"
android:theme="@android:style/Theme.NoTitleBar.Fullscreen" > android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
<activity android:name="Sample1Java" <activity android:name="Sample1CameraPreview"
android:label="@string/app_name" android:label="@string/app_name"
android:screenOrientation="landscape" android:screenOrientation="landscape"
android:configChanges="keyboardHidden|orientation"> android:configChanges="keyboardHidden|orientation">

152
samples/android/tutorial-2-opencvcamera/src/org/opencv/samples/tutorial2/Sample2NativeCamera.java
View File

@ -1,152 +0,0 @@
package org.opencv.samples.tutorial2;
import org.opencv.android.BaseLoaderCallback;
import org.opencv.android.CameraBridgeViewBase.CvCameraViewFrame;
import org.opencv.android.LoaderCallbackInterface;
import org.opencv.android.OpenCVLoader;
import org.opencv.core.Core;
import org.opencv.core.CvType;
import org.opencv.core.Mat;
import org.opencv.core.Point;
import org.opencv.core.Scalar;
import org.opencv.android.CameraBridgeViewBase;
import org.opencv.android.CameraBridgeViewBase.CvCameraViewListener2;
import org.opencv.imgproc.Imgproc;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.WindowManager;
public class Sample2NativeCamera extends Activity implements CvCameraViewListener2 {
private static final String TAG = "OCVSample::Activity";
public static final int VIEW_MODE_RGBA = 0;
public static final int VIEW_MODE_GRAY = 1;
public static final int VIEW_MODE_CANNY = 2;
private static int viewMode = VIEW_MODE_RGBA;
private MenuItem mItemPreviewRGBA;
private MenuItem mItemPreviewGray;
private MenuItem mItemPreviewCanny;
private Mat mRgba;
private Mat mIntermediateMat;
private CameraBridgeViewBase mOpenCvCameraView;
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();
} break;
default:
{
super.onManagerConnected(status);
} break;
}
}
};
public Sample2NativeCamera() {
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.tutorial2_surface_view);
mOpenCvCameraView = (CameraBridgeViewBase) findViewById(R.id.tutorial2_activity_surface_view);
mOpenCvCameraView.setCvCameraViewListener(this);
}
@Override
public void onPause()
{
super.onPause();
if (mOpenCvCameraView != null)
mOpenCvCameraView.disableView();
}
@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) {
mRgba = new Mat(height, width, CvType.CV_8UC4);
mIntermediateMat = new Mat(height, width, CvType.CV_8UC4);
}
public void onCameraViewStopped() {
mRgba.release();
mIntermediateMat.release();
}
public Mat onCameraFrame(CvCameraViewFrame inputFrame) {
switch (Sample2NativeCamera.viewMode) {
case Sample2NativeCamera.VIEW_MODE_GRAY:
{
Imgproc.cvtColor(inputFrame.gray(), mRgba, Imgproc.COLOR_GRAY2RGBA, 4);
} break;
case Sample2NativeCamera.VIEW_MODE_RGBA:
{
mRgba = inputFrame.rgba();
Core.putText(mRgba, "OpenCV+Android", new Point(10, mRgba.rows() - 10), 3, 1, new Scalar(255, 0, 0, 255), 2);
} break;
case Sample2NativeCamera.VIEW_MODE_CANNY:
{
Imgproc.Canny(inputFrame.gray(), mIntermediateMat, 80, 100);
Imgproc.cvtColor(mIntermediateMat, mRgba, Imgproc.COLOR_GRAY2BGRA, 4);
} break;
}
return mRgba;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
Log.i(TAG, "called onCreateOptionsMenu");
mItemPreviewRGBA = menu.add("Preview RGBA");
mItemPreviewGray = menu.add("Preview GRAY");
mItemPreviewCanny = menu.add("Canny");
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
Log.i(TAG, "called onOptionsItemSelected; selected item: " + item);
if (item == mItemPreviewRGBA)
{
viewMode = VIEW_MODE_RGBA;
}
else if (item == mItemPreviewGray)
{
viewMode = VIEW_MODE_GRAY;
}
else if (item == mItemPreviewCanny)
{
viewMode = VIEW_MODE_CANNY;
}
return true;
}
}

0
samples/android/tutorial-3-cameracontrol/src/org/opencv/samples/tutorial5/Sample3CameraControl.java → samples/android/tutorial-3-cameracontrol/src/org/opencv/samples/tutorial3/Sample3CameraControl.java
View File

0
samples/android/tutorial-3-cameracontrol/src/org/opencv/samples/tutorial5/SampleJavaCameraView.java → samples/android/tutorial-3-cameracontrol/src/org/opencv/samples/tutorial3/SampleJavaCameraView.java
View File

102
samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/Sample3Native.java
View File

@ -1,102 +0,0 @@
package org.opencv.samples.tutorial3;
import org.opencv.android.BaseLoaderCallback;
import org.opencv.android.CameraBridgeViewBase.CvCameraViewFrame;
import org.opencv.android.LoaderCallbackInterface;
import org.opencv.android.OpenCVLoader;
import org.opencv.core.CvType;
import org.opencv.core.Mat;
import org.opencv.android.CameraBridgeViewBase;
import org.opencv.android.CameraBridgeViewBase.CvCameraViewListener2;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.WindowManager;
public class Sample3Native extends Activity implements CvCameraViewListener2 {
private static final String TAG = "OCVSample::Activity";
private Mat mRgba;
private Mat mGray;
private CameraBridgeViewBase mOpenCvCameraView;
private BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback(this) {
@Override
public void onManagerConnected(int status) {
switch (status) {
case LoaderCallbackInterface.SUCCESS:
{
Log.i(TAG, "OpenCV loaded successfully");
// Load native library after(!) OpenCV initialization
System.loadLibrary("native_sample");
mOpenCvCameraView.enableView();
} break;
default:
{
super.onManagerConnected(status);
} break;
}
}
};
public Sample3Native() {
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.tutorial3_surface_view);
mOpenCvCameraView = (CameraBridgeViewBase) findViewById(R.id.tutorial4_activity_surface_view);
mOpenCvCameraView.setCvCameraViewListener(this);
}
@Override
public void onPause()
{
super.onPause();
if (mOpenCvCameraView != null)
mOpenCvCameraView.disableView();
}
@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) {
mRgba = new Mat(height, width, CvType.CV_8UC4);
mGray = new Mat(height, width, CvType.CV_8UC1);
}
public void onCameraViewStopped() {
mRgba.release();
mGray.release();
}
public Mat onCameraFrame(CvCameraViewFrame inputFrame) {
mRgba = inputFrame.rgba();
mGray = inputFrame.gray();
FindFeatures(mGray.getNativeObjAddr(), mRgba.getNativeObjAddr());
return mRgba;
}
public native void FindFeatures(long matAddrGr, long matAddrRgba);
}