mirror/opencv
1
0
Fork 0
mirror of https://github.com/opencv/opencv.git synced 2025-01-18 06:03:15 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Tutorial-5 sample extended.

Browse Source 
Application menu reorganized;
Resolution control added.
This commit is contained in:
Alexander Smorkalov 2012-12-19 18:51:17 +04:00
parent c8b658fdb6
commit 77df8730ef
2 changed files with 57 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
samples/android/tutorial-5-cameracontrol/src/org/opencv/samples/tutorial5/Sample5CameraControl.java
View File

@ -13,12 +13,14 @@ import org.opencv.android.CameraBridgeViewBase.CvCameraViewListener;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.hardware.Camera.Size;
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.SubMenu;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnTouchListener;
@ -29,7 +31,11 @@ public class Sample5CameraControl extends Activity implements CvCameraViewListen
private static final String TAG = "OCVSample::Activity";
private SampleJavaCameraView mOpenCvCameraView;
private List<Size> mResolutionList;
private MenuItem[] mEffectMenuItems;
private SubMenu mColorEffectsMenu;
private MenuItem[] mResolutionMenuItems;
private SubMenu mResolutionMenu;
private BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback(this) {
@Override
@ -109,22 +115,50 @@ public class Sample5CameraControl extends Activity implements CvCameraViewListen
return true;
}
mColorEffectsMenu = menu.addSubMenu("Color Effect");
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);
ListIterator<String> effectItr = effects.listIterator();
while(effectItr.hasNext()) {
String element = effectItr.next();
mEffectMenuItems[idx] = mColorEffectsMenu.add(1, idx, Menu.NONE, element);
idx++;
}
mResolutionMenu = menu.addSubMenu("Resolution");
mResolutionList = mOpenCvCameraView.getResolutionList();
mResolutionMenuItems = new MenuItem[mResolutionList.size()];
ListIterator<Size> resolutionItr = mResolutionList.listIterator();
idx = 0;
while(resolutionItr.hasNext()) {
Size element = resolutionItr.next();
mResolutionMenuItems[idx] = mResolutionMenu.add(2, idx, Menu.NONE,
Integer.valueOf(element.width).toString() + "x" + Integer.valueOf(element.height).toString());
idx++;
}
return true;
}
public boolean onOptionsItemSelected(MenuItem item) {
Log.i(TAG, "called onOptionsItemSelected; selected item: " + item);
mOpenCvCameraView.setEffect((String) item.getTitle());
Toast.makeText(this, mOpenCvCameraView.getEffect(), Toast.LENGTH_SHORT).show();
if (item.getGroupId() == 1)
{
mOpenCvCameraView.setEffect((String) item.getTitle());
Toast.makeText(this, mOpenCvCameraView.getEffect(), Toast.LENGTH_SHORT).show();
}
else if (item.getGroupId() == 2)
{
int id = item.getItemId();
Size resolution = mResolutionList.get(id);
mOpenCvCameraView.setResolution(resolution);
resolution = mOpenCvCameraView.getResolution();
String caption = Integer.valueOf(resolution.width).toString() + "x" + Integer.valueOf(resolution.height).toString();
Toast.makeText(this, caption, Toast.LENGTH_SHORT).show();
}
return true;
}

18
samples/android/tutorial-5-cameracontrol/src/org/opencv/samples/tutorial5/SampleJavaCameraView.java
View File

@ -10,6 +10,7 @@ import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.hardware.Camera;
import android.hardware.Camera.PictureCallback;
import android.hardware.Camera.Size;
import android.util.AttributeSet;
import android.util.Log;
@ -34,11 +35,26 @@ public class SampleJavaCameraView extends JavaCameraView {
}
public void setEffect(String effect) {
Camera.Parameters params = mCamera.getParameters();
Camera.Parameters params = mCamera.getParameters();
params.setColorEffect(effect);
mCamera.setParameters(params);
}
public List<Size> getResolutionList() {
return mCamera.getParameters().getSupportedPreviewSizes();
}
public void setResolution(Size resolution) {
disconnectCamera();
mMaxHeight = resolution.height;
mMaxWidth = resolution.width;
connectCamera(getWidth(), getHeight());
}
public Size getResolution() {
return mCamera.getParameters().getPreviewSize();
}
public void takePicture(final String fileName) {
Log.i(TAG, "Tacking picture");
PictureCallback callback = new PictureCallback() {