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Java API: changing C++ vector<T> handling;

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Java tests fixes are expected shortly
This commit is contained in:
Andrey Pavlenko
2012-04-04 12:59:53 +00:00
parent 9ac0d4323d
commit 78d92584c3
20 changed files with 737 additions and 79 deletions
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51
samples/android/tutorial-2-opencvcamera/src/org/opencv/samples/tutorial2/Sample2View.java
View File

@@ -1,13 +1,17 @@
package org.opencv.samples.tutorial2;
import java.util.ArrayList;
import java.util.List;
import org.opencv.android.Utils;
import org.opencv.core.Core;
import org.opencv.core.CvVectorPoint;
import org.opencv.core.Mat;
import org.opencv.core.Point;
import org.opencv.core.Scalar;
import org.opencv.imgproc.Imgproc;
import org.opencv.highgui.Highgui;
import org.opencv.highgui.VideoCapture;
import org.opencv.imgproc.Imgproc;
import android.content.Context;
import android.graphics.Bitmap;
@@ -18,6 +22,10 @@ class Sample2View extends SampleCvViewBase {
private Mat mRgba;
private Mat mGray;
private Mat mIntermediateMat;
private Mat mIntermediateMat2;
private Mat mEmpty;
private Scalar lo, hi;
private Scalar bl, wh;
public Sample2View(Context context) {
super(context);
@@ -32,11 +40,18 @@ class Sample2View extends SampleCvViewBase {
mGray = new Mat();
mRgba = new Mat();
mIntermediateMat = new Mat();
mIntermediateMat2 = new Mat();
mEmpty = new Mat();
lo = new Scalar(85, 100, 30);
hi = new Scalar(130, 255, 255);
bl = new Scalar(0, 0, 0, 255);
wh = new Scalar(255, 255, 255, 255);
}
}
@Override
protected Bitmap processFrame(VideoCapture capture) {
/**/
switch (Sample2NativeCamera.viewMode) {
case Sample2NativeCamera.VIEW_MODE_GRAY:
capture.retrieve(mGray, Highgui.CV_CAP_ANDROID_GREY_FRAME);
@@ -44,14 +59,39 @@ class Sample2View extends SampleCvViewBase {
break;
case Sample2NativeCamera.VIEW_MODE_RGBA:
capture.retrieve(mRgba, Highgui.CV_CAP_ANDROID_COLOR_FRAME_RGBA);
Core.putText(mRgba, "OpenCV + Android", new Point(10, 100), 3/* CV_FONT_HERSHEY_COMPLEX */, 2, new Scalar(255, 0, 0, 255), 3);
Core.putText(mRgba, "OpenCV + Android", new Point(10, 100), 3, 2, new Scalar(255, 0, 0, 255), 3);
break;
case Sample2NativeCamera.VIEW_MODE_CANNY:
capture.retrieve(mGray, Highgui.CV_CAP_ANDROID_GREY_FRAME);
/*capture.retrieve(mGray, Highgui.CV_CAP_ANDROID_GREY_FRAME);
Imgproc.Canny(mGray, mIntermediateMat, 80, 100);
Imgproc.cvtColor(mIntermediateMat, mRgba, Imgproc.COLOR_GRAY2BGRA, 4);
break;
*/
capture.retrieve(mRgba, Highgui.CV_CAP_ANDROID_COLOR_FRAME_RGBA);
Imgproc.cvtColor(mRgba, mIntermediateMat, Imgproc.COLOR_RGB2HSV_FULL);
Core.inRange(mIntermediateMat, lo, hi, mIntermediateMat2); // green
Imgproc.dilate(mIntermediateMat2, mIntermediateMat2, mEmpty);
//
List<CvVectorPoint> contours = new ArrayList<CvVectorPoint>();
Mat hierarchy = new Mat();
Imgproc.findContours(mIntermediateMat2, contours, hierarchy,Imgproc.RETR_LIST, Imgproc.CHAIN_APPROX_SIMPLE);
Log.d("processFrame", "contours.size()" + contours.size());
double maxArea = 0;
int indexMaxArea = -1;
for (int i = 0; i < contours.size(); i++) {
double s = Imgproc.contourArea(contours.get(i));
if(s > maxArea){
indexMaxArea = i;
maxArea = s;
}
}
mRgba.setTo(bl);
Imgproc.drawContours(mRgba, contours, indexMaxArea, wh);
//
//Imgproc.cvtColor(mIntermediateMat2, mRgba, Imgproc.COLOR_GRAY2RGBA);
break;
}
/**/
Bitmap bmp = Bitmap.createBitmap(mRgba.cols(), mRgba.rows(), Bitmap.Config.ARGB_8888);
@@ -78,6 +118,9 @@ class Sample2View extends SampleCvViewBase {
if (mIntermediateMat != null)
mIntermediateMat.release();
if (mIntermediateMat2 != null)
mIntermediateMat2.release();
mRgba = null;
mGray = null;
mIntermediateMat = null;