/**
* Superimpose a line for 1D or dots for 2D to highlight the key features of the barcode.
*
* @param barcode A bitmap of the captured image.
* @param scaleFactor amount by which thumbnail was scaled
* @param rawResult The decoded results which contains the points to draw.
*/
private void drawResultPoints(Bitmap barcode, float scaleFactor, Result rawResult) {
ResultPoint[] points = rawResult.getResultPoints();
if (points != null && points.length > 0) {
Canvas canvas = new Canvas(barcode);
Paint paint = new Paint();
paint.setColor(getResources().getColor(R.color.result_points));
if (points.length == 2) {
paint.setStrokeWidth(4.0f);
drawLine(canvas, paint, points[0], points[1], scaleFactor);
} else if (points.length == 4
&& (rawResult.getBarcodeFormat() == BarcodeFormat.UPC_A
|| rawResult.getBarcodeFormat() == BarcodeFormat.EAN_13)) {
// Hacky special case -- draw two lines, for the barcode and metadata
drawLine(canvas, paint, points[0], points[1], scaleFactor);
drawLine(canvas, paint, points[2], points[3], scaleFactor);
} else {
paint.setStrokeWidth(10.0f);
for (ResultPoint point : points) {
if (point != null) {
canvas.drawPoint(scaleFactor * point.getX(), scaleFactor * point.getY(), paint);
}
}
}
}
}
protected void drawResultPoints(Bitmap barcode, Result rawResult) {
ResultPoint[] points = rawResult.getResultPoints();
if (points != null && points.length > 0) {
Canvas canvas = new Canvas(barcode);
Paint paint = new Paint();
paint.setColor(getResources().getColor(R.color.result_image_border));
paint.setStrokeWidth(3.0f);
paint.setStyle(Paint.Style.STROKE);
Rect border = new Rect(2, 2, barcode.getWidth() - 2, barcode.getHeight() - 2);
canvas.drawRect(border, paint);
paint.setColor(getResources().getColor(R.color.result_points));
if (points.length == 2) {
paint.setStrokeWidth(4.0f);
drawLine(canvas, paint, points[0], points[1]);
} else if (points.length == 4
&& (rawResult.getBarcodeFormat() == BarcodeFormat.UPC_A
|| rawResult.getBarcodeFormat() == BarcodeFormat.EAN_13)) {
// Hacky special case -- draw two lines, for the barcode and
// metadata
drawLine(canvas, paint, points[0], points[1]);
drawLine(canvas, paint, points[2], points[3]);
} else {
paint.setStrokeWidth(10.0f);
for (ResultPoint point : points) {
canvas.drawPoint(point.getX(), point.getY(), paint);
}
}
}
}
/**
* @param color Color of result points
* @return {@link Bitmap} with result points on it, or plain bitmap, if no result points
*/
public Bitmap getBitmapWithResultPoints(int color) {
Bitmap bitmap = getBitmap();
Bitmap barcode = bitmap;
ResultPoint[] points = mResult.getResultPoints();
if (points != null && points.length > 0 && bitmap != null) {
barcode = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(barcode);
canvas.drawBitmap(bitmap, 0, 0, null);
Paint paint = new Paint();
paint.setColor(color);
if (points.length == 2) {
paint.setStrokeWidth(PREVIEW_LINE_WIDTH);
drawLine(canvas, paint, points[0], points[1], mScaleFactor);
} else if (points.length == 4
&& (mResult.getBarcodeFormat() == BarcodeFormat.UPC_A
|| mResult.getBarcodeFormat() == BarcodeFormat.EAN_13)) {
// Hacky special case -- draw two lines, for the barcode and metadata
drawLine(canvas, paint, points[0], points[1], mScaleFactor);
drawLine(canvas, paint, points[2], points[3], mScaleFactor);
} else {
paint.setStrokeWidth(PREVIEW_DOT_WIDTH);
for (ResultPoint point : points) {
if (point != null) {
canvas.drawPoint(point.getX() / mScaleFactor, point.getY() / mScaleFactor, paint);
}
}
}
}
return barcode;
}
// Called when camera take a frame
@Override
public void onPreviewFrame(byte[] data, Camera camera) {
PlanarYUVLuminanceSource source =
mCameraManager.buildLuminanceSource(data, mPreviewWidth, mPreviewHeight);
HybridBinarizer hybBin = new HybridBinarizer(source);
BinaryBitmap bitmap = new BinaryBitmap(hybBin);
try {
Result result = mQRCodeReader.decode(bitmap);
// Notify We're found a QRCode
if (mOnQRCodeReadListener != null) {
// Transform resultPoints to View coordinates
PointF[] transformedPoints = transformToViewCoordinates(result.getResultPoints());
mOnQRCodeReadListener.onQRCodeRead(result.getText(), transformedPoints);
}
} catch (ChecksumException e) {
Log.d(TAG, "ChecksumException");
e.printStackTrace();
} catch (NotFoundException e) {
// Notify QR not found
if (mOnQRCodeReadListener != null) {
mOnQRCodeReadListener.QRCodeNotFoundOnCamImage();
}
} catch (FormatException e) {
Log.d(TAG, "FormatException");
e.printStackTrace();
} finally {
mQRCodeReader.reset();
}
}
public void handleResult(
final Result scanResult, final Bitmap thumbnailImage, final float thumbnailScaleFactor) {
vibrator.vibrate(VIBRATE_DURATION);
// superimpose dots to highlight the key features of the qr code
final ResultPoint[] points = scanResult.getResultPoints();
if (points != null && points.length > 0) {
final Paint paint = new Paint();
paint.setColor(getResources().getColor(R.color.scan_result_dots));
paint.setStrokeWidth(10.0f);
final Canvas canvas = new Canvas(thumbnailImage);
canvas.scale(thumbnailScaleFactor, thumbnailScaleFactor);
for (final ResultPoint point : points) canvas.drawPoint(point.getX(), point.getY(), paint);
}
scannerView.drawResultBitmap(thumbnailImage);
final Intent result = new Intent();
result.putExtra(INTENT_EXTRA_RESULT, scanResult.getText());
setResult(RESULT_OK, result);
// delayed finish
new Handler()
.post(
new Runnable() {
@Override
public void run() {
finish();
}
});
}
public void draw() {
if (cam.available() == true) {
cam.read();
pushMatrix();
scale(-1, 1);
translate(-cam.width, 0);
image(cam, 0, 0);
popMatrix();
// image(cam, 0,0);
try {
// Now test to see if it has a QR code embedded in it
LuminanceSource source = new BufferedImageLuminanceSource((BufferedImage) cam.getImage());
BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
Result result = reader.decode(bitmap);
// Once we get the results, we can do some display
if (result.getText() != null) {
println(result.getText());
ResultPoint[] points = result.getResultPoints();
// Draw some ellipses on at the control points
for (int i = 0; i < points.length; i++) {
// fill(#ff8c00);
ellipse(points[i].getX(), points[i].getY(), 20, 20);
// fill(#ff0000);
text(i, points[i].getX(), points[i].getY());
}
// Now fetch the book cover, if it is found
if (!result.getText().equals(lastISBNAcquired)) {
String url = "http://covers.oreilly.com/images/" + result.getText() + "/cat.gif";
try {
cover = loadImage(url, "gif");
lastISBNAcquired = result.getText();
} catch (Exception e) {
cover = null;
}
}
// Superimpose the cover on the image
if (cover != null) {
image(cover, points[1].getX(), points[1].getY());
}
}
} catch (Exception e) {
// println(e.toString());
}
}
}
private static Result translateResultPoints(Result result, int xOffset, int yOffset) {
ResultPoint[] oldResultPoints = result.getResultPoints();
ResultPoint[] newResultPoints = new ResultPoint[oldResultPoints.length];
for (int i = 0; i < oldResultPoints.length; i++) {
ResultPoint oldPoint = oldResultPoints[i];
newResultPoints[i] = new ResultPoint(oldPoint.getX() + xOffset, oldPoint.getY() + yOffset);
}
return new Result(
result.getText(), result.getRawBytes(), newResultPoints, result.getBarcodeFormat());
}
public void getBaseLine(File file, String newFile, double[] config)
throws NotFoundException, IOException {
double xOff = 0;
double yOff = 0;
double x2 = 0;
double y2 = 0;
double radOff = 0;
// Create binary image of the BufferedImage
BufferedImage img = ImageIO.read(file);
LuminanceSource lumSource = new BufferedImageLuminanceSource(img);
BinaryBitmap bitmap = new BinaryBitmap(new GlobalHistogramBinarizer(lumSource));
Collection<Result> results = new ArrayList<>(1);
// Look for multiple QR codes in the binary image
QRCodeMultiReader multiReader = new QRCodeMultiReader();
Result[] theResults = multiReader.decodeMultiple(bitmap, HINTS);
if (theResults != null) {
results.addAll(Arrays.asList(theResults));
}
for (Object result : results.toArray()) {
Result theResult = (Result) result;
if (theResult.getText().equals("upperLeft")) {
xOff = theResult.getResultPoints()[1].getX();
yOff = theResult.getResultPoints()[1].getY();
} else if (theResult.getText().equals("lowerRight")) {
x2 = theResult.getResultPoints()[1].getX();
y2 = theResult.getResultPoints()[1].getY();
}
}
radOff = Math.atan((y2 - yOff) / (x2 - xOff));
img = img.getSubimage((int) config[3], (int) config[4], (int) config[5], (int) config[6]);
File scanned = new File(newFile + xOff + "_" + yOff + "_" + radOff + ".png");
ImageIO.write(img, "png", file);
Files.move(file.toPath(), scanned.toPath(), StandardCopyOption.REPLACE_EXISTING);
}
/**
* Superimpose a line for 1D or dots for 2D to highlight the key features of the barcode.
*
* @param barcode A bitmap of the captured image.
* @param rawResult The decoded results which contains the points to draw.
*/
private void drawResultPoints(Bitmap barcode, Result rawResult) {
ResultPoint[] points = rawResult.getResultPoints();
if (points != null && points.length > 0) {
Canvas canvas = new Canvas(barcode);
Paint paint = new Paint();
paint.setColor(getResources().getColor(R.color.result_image_border));
paint.setStrokeWidth(3.0f);
paint.setStyle(Paint.Style.STROKE);
Rect border = new Rect(2, 2, barcode.getWidth() - 2, barcode.getHeight() - 2);
canvas.drawRect(border, paint);
paint.setColor(getResources().getColor(R.color.result_points));
if (points.length == 2) {
paint.setStrokeWidth(4.0f);
canvas.drawLine(
points[0].getX(), points[0].getY(), points[1].getX(), points[1].getY(), paint);
} else {
paint.setStrokeWidth(10.0f);
for (ResultPoint point : points) {
canvas.drawPoint(point.getX(), point.getY(), paint);
}
}
}
}
@SuppressWarnings("unchecked")
private void doDecodeMultiple(
BinaryBitmap image,
@SuppressWarnings("rawtypes") Hashtable hints,
@SuppressWarnings("rawtypes") Vector results,
int xOffset,
int yOffset) {
Result result;
try {
result = delegate.decode(image, hints);
} catch (ReaderException re) {
return;
}
boolean alreadyFound = false;
for (int i = 0; i < results.size(); i++) {
Result existingResult = (Result) results.elementAt(i);
if (existingResult.getText().equals(result.getText())) {
alreadyFound = true;
break;
}
}
if (alreadyFound) {
return;
}
results.addElement(translateResultPoints(result, xOffset, yOffset));
ResultPoint[] resultPoints = result.getResultPoints();
if (resultPoints == null || resultPoints.length == 0) {
return;
}
int width = image.getWidth();
int height = image.getHeight();
float minX = width;
float minY = height;
float maxX = 0.0f;
float maxY = 0.0f;
for (int i = 0; i < resultPoints.length; i++) {
ResultPoint point = resultPoints[i];
float x = point.getX();
float y = point.getY();
if (x < minX) {
minX = x;
}
if (y < minY) {
minY = y;
}
if (x > maxX) {
maxX = x;
}
if (y > maxY) {
maxY = y;
}
}
// Decode left of barcode
if (minX > MIN_DIMENSION_TO_RECUR) {
doDecodeMultiple(image.crop(0, 0, (int) minX, height), hints, results, xOffset, yOffset);
}
// Decode above barcode
if (minY > MIN_DIMENSION_TO_RECUR) {
doDecodeMultiple(image.crop(0, 0, width, (int) minY), hints, results, xOffset, yOffset);
}
// Decode right of barcode
if (maxX < width - MIN_DIMENSION_TO_RECUR) {
doDecodeMultiple(
image.crop((int) maxX, 0, width - (int) maxX, height),
hints,
results,
xOffset + (int) maxX,
yOffset);
}
// Decode below barcode
if (maxY < height - MIN_DIMENSION_TO_RECUR) {
doDecodeMultiple(
image.crop(0, (int) maxY, width, height - (int) maxY),
hints,
results,
xOffset,
yOffset + (int) maxY);
}
}
public static void main(String[] args)
throws IOException, InterruptedException, IM4JavaException,
PdfException { // is - is the inputstream of the pdf file
System.out.println("inside grader");
// required debugging code
Mongo m = new Mongo();
DB db = m.getDB("ecomm_database");
DBCollection coll = db.getCollection("testschemas");
ObjectMapper mapper = new ObjectMapper();
// String message = "4fda1af52f910cc6200000d3"; //test id, that i will have in the real version
String message = "500bb8811a316fda2400003b"; // id of second test
DBObject TestObject =
coll.findOne(new BasicDBObject("_id", new ObjectId(message))); // the actual mongo query
System.out.println("Test Object = " + TestObject);
JsonNode rootNode = mapper.readValue(TestObject.toString().getBytes("UTF-8"), JsonNode.class);
JsonNode TestAnswerSheet = rootNode.get("TestAnswerSheet"); // TestAnswerSheet
JsonNode Questions = rootNode.get("Questions");
System.out.println("size of Questions = " + Questions.size());
int numofquestions = Questions.size();
System.out.println("size of answers = " + TestAnswerSheet.size());
int numofstudents =
rootNode.get("NumberOfStudents").getIntValue(); // grab the number of students
System.out.println("Numer of students = " + numofstudents);
// FillScore(Questions);
// for(int x = 0; x < Answers.size(); x++){
//
// int IDS = Answers.get(x).get("IDS").getIntValue(); //grab the question
// String QID = new String(Answers.get(x).get("IDS").getTextValue()); //grab the question
// System.out.println("IDS = " + QID );
//
// }//end of grade results
// JFrame frame = new JFrame(); //window popup //for debuggin
// reading in file
// File PDF_file = new File("/Users/angellopozo/Documents/TestImages/PDF_CRICLEV2.pdf");
/*
*
* Start of real code
*
*/
// //workign with jpedal, will read from inputstream
// PdfDecoder decode_pdf = new PdfDecoder(true);
// try{
//// decode_pdf.openPdfFileFromInputStream(is,true); //file
// decode_pdf.openPdfFile("/Users/angellopozo/Dropbox/My
// Code/java/MainRabbitMongo/Resources/CreatedPDF_Mongo_Test.pdf"); ///DEUG LINE
//// BufferedImage img = decode_pdf.getPageAsImage(1);
//// decode_pdf.closePdfFile();
//// File fileToSave = new File("/Users/angellopozo/Dropbox/My
// Code/java/MainRabbitMongo/src/main/java/RPC/jpedalRPCTEST1.jpg");
//// ImageIO.write(img, "jpg", fileToSave);
//// JFrame frame = new JFrame("jpedal buffered image");
//// Panel panel = new Panel();
//// frame.getContentPane().add(new JLabel(new ImageIcon(img)));
//// frame.pack();
////// frame.setLocationRelativeTo(null);
//// frame.setVisible(true);
// PdfFileInformation fileinfo = decode_pdf.getFileInformationData();
// String[] Fnames = fileinfo.getFieldValues();
// for(int i = 0 ; i < Fnames.length; i++){
// System.out.println("fname info = " + Fnames[i]);
// }
// System.out.println("xml data = " + fileinfo.getFileXMLMetaData());
// System.out.println("name of the input stream file = " + decode_pdf.getFileName());
// }
// catch(PdfException e) {
// e.printStackTrace();//return back and do the rpc to the user ... use return and check
// returns?
//
// }
// File PDF_file = new File("/Users/angellopozo/Dropbox/My
// Code/java/MainRabbitMongo/Resources/CreatedPDF_TestMongo_Graded.pdf"); //to large, need to do
// some scaling
// File PDF_file = new File("/Users/angellopozo/Dropbox/My
// Code/java/MainRabbitMongo/Resources/CreatedPDF_Mongo_Test_Inputs.pdf"); //working
// File PDF_file = new File("/Users/angellopozo/Dropbox/My
// Code/java/MainRabbitMongo/Resources/CreatedPDF_Mongo_Grade_Random.pdf");
// File PDF_file = new File("/Users/angellopozo/Dropbox/My
// Code/java/MainRabbitMongo/Resources/CreatedPDF_TestMongo_Graded_Vsmaller.pdf");
File PDF_file =
new File(
"/Users/angellopozo/Dropbox/My Code/java/MainRabbitMongo/Resources/CreatedPDF_Mongo_Random_withScore_testnum2_Grade_LARGE.pdf");
// File PDF_file = new File("/Users/angellopozo/Dropbox/My
// Code/java/MainRabbitMongo/Resources/CreatedPDF_Mongo_Random_withScore_testnum2_Grade_LARGE_MISTAKES_doubles.pdf");
// File PDF_file = new File("/Users/angellopozo/Dropbox/My
// Code/java/MainRabbitMongo/Resources/CreatedPDF_Mongo_Random_withScore_testnum2_Grade_LARGE_MISTAKES_noreply.pdf");
// just testing. I get a bufferedImageLuminanceSource.java.39 -> grabbing image file dimentions.
// PdfDecoder decode_pdf = new PdfDecoder(true);
// decode_pdf.openPdfFile("/Users/angellopozo/Dropbox/My
// Code/java/MainRabbitMongo/Resources/CreatedPDF_Mongo_Grade_Random.pdf");
// int numpages = decode_pdf.getPageCount();
PDDocument doc = PDDocument.load(PDF_file); // used to get page numbers
int numpages = doc.getNumberOfPages(); // get page numbers for for loop
int[] CorrectlyAnswered = new int[Questions.size()]; // number of correct answers
int[] IncorrectlyAnswered =
new int[Questions.size()]; // number of incorrectly answered responses
byStudent bystudent =
new byStudent(
numofquestions,
numofstudents); // create grading instance //Initialize with number of students
byQuestion byquestion = new byQuestion(numofquestions, numofstudents);
System.out.println("result size = " + CorrectlyAnswered.length);
// need to fill the score array in byquestions
for (int i = 0; i < Questions.size(); i++) {
// System.out.println("Score for this question = " +
// Questions.get(i).get("Score").getDoubleValue());
byquestion.ScoreDefault[i] = Questions.get(i).get("Score").getDoubleValue();
} // end of filling score array in byquestion
// int numpages = decode_pdf.getPageCount(); //get page numbers for for loop
System.out.println(
"number of pages = "
+ numpages); // check to make sure the number of pages is reasonable, dont want this to
// be too large call Db and return
System.out.println("____________________________________");
// JFrame frame = new JFrame(); //window popup
// ArrayList Results = new ArrayList(); //Array of the answer locations
// ArrayList WA = new ArrayList(); //array of wrong answers that were selected by the students
// ArrayList SR = new ArrayList(); //holding accumulated data below. selected answers array
int numoffails = 0;
int Aindex = 0;
// int Qindex = 0;
int[][] Selections = new int[2][Questions.size()]; // student , question
int[][] SelectionTotal = new int[Questions.size()][4]; // question, answer selected
for (int i = 0; i < numpages; i++) { // for every page
// File PDF_file = new File("/Users/angellopozo/Documents/TestImages/PDF_CRICLEV2.pdf");
// convert page to PDF
BufferedImage PDF_img = ConvertPageToImage(PDF_file, i);
// BufferedImage PDF_img = decode_pdf.getPageAsImage(i);
// START creating luminance source
LuminanceSource lumSource = new BufferedImageLuminanceSource(PDF_img);
BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(lumSource));
Reader reader = new QRCodeReader(); // create qr reader
GenericMultipleBarcodeReader multireader = new GenericMultipleBarcodeReader(reader);
Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>();
hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
TreeMap<String, Rectangle2D> sortedBarcodeResults = new TreeMap<String, Rectangle2D>();
Result results[] = null;
try {
results = multireader.decodeMultiple(bitmap, hints);
} catch (ReaderException re) {
return;
} // end of try
// END creating luminance source
// go through each found QR Code and draw a box around it
BufferedImage outimage = PDF_img; // copy of the pdf image
Graphics2D g2 = outimage.createGraphics();
g2.setColor(Color.green);
g2.setStroke(new BasicStroke(3));
// draw boxes around the found qrcodes
int index = 0; // debug line to save images
for (Result result : results) {
System.out.println("barcode result: " + result.getText());
double x1 = result.getResultPoints()[0].getX(); // top left
double y1 = result.getResultPoints()[0].getY(); // top left
double x2 = result.getResultPoints()[1].getX(); // top right
double y2 = result.getResultPoints()[1].getY(); // top right
double x3 = result.getResultPoints()[2].getX(); // bottom left
double y3 = result.getResultPoints()[2].getY(); // bottom left
// double x4 = result.getResultPoints()[3].getX(); //bottom right (bottom right square
// location..some qr have it)
// double y4 = result.getResultPoints()[3].getY(); //bottom right (bottom right square
// location..some qr have it)
Rectangle2D rectbox = new Rectangle2D.Double(x2, y2, (x3 - x2), (y1 - y2));
// Double buffer = 10.0;//highly dependent on the size of the qrcode
// Rectangle2D rectbox = new Rectangle2D.Double(x2-buffer, y2-buffer, (x3-x2)+2*buffer,
// (y1-y2)+2*buffer);
// System.out.println("barcode location: " + x1 +" "+ y1 +" "+ x2 +" "+ y2 + " " +
// x3 +" "+ y3);
// System.out.println("barcode location: " + x3 +" "+ y3+" "+ x4+" "+ y4+"\n");// +" "+
// (x2-x1) +" "+ (y2-y1) +"\n");
sortedBarcodeResults.put(
result.getText(), rectbox); // (qrdecoded string , rectangle box in pixels)
g2.draw(rectbox); // draw box around qrcode
Rectangle2D bubblebox =
new Rectangle2D.Double(
x2 + (x3 - x2) + 15, y2 - 20, 45, (y1 - y2) + 55); // box around bubbles
g2.draw(bubblebox); // area that the bubbles exist in the image
BufferedImage subBubble =
PDF_img.getSubimage(
(int) (x2 + (x3 - x2) + 15),
(int) (y2 - 20),
45,
(int) ((y1 - y2) + 55)); // box around bubbles
IplImage ipl_subBubble = IplImage.createFrom(subBubble); // convert subimage into iplimage
IplImage ipl_subBubble_large =
cvCreateImage(
cvSize(ipl_subBubble.width() * 4, ipl_subBubble.height() * 4),
ipl_subBubble.depth(),
ipl_subBubble.nChannels());
cvResize(ipl_subBubble, ipl_subBubble_large, CV_INTER_CUBIC); // enlarge image
IplImage ipl_subBubble_gray =
cvCreateImage(
cvSize(ipl_subBubble_large.width(), ipl_subBubble_large.height()),
IPL_DEPTH_8U,
1); // create black and white version of page
// IplImage ipl_subBubble_gray = ipl_subBubble_large.clone();
if (ipl_subBubble_large.nChannels() > 1) {
cvCvtColor(ipl_subBubble_large, ipl_subBubble_gray, CV_RGB2GRAY);
} else {
// IplImage ipl_subBubble_gray = ipl_subBubble_large.clone();
}
cvThreshold(ipl_subBubble_gray, ipl_subBubble_gray, 100, 255, CV_THRESH_OTSU);
cvSmooth(ipl_subBubble_gray, ipl_subBubble_gray, CV_GAUSSIAN, 9, 9, 2, 2);
CvMemStorage circles = CvMemStorage.create();
// show bubbles, check this if no grading is working
// CanvasFrame smoothed = new CanvasFrame("gray image");
// smoothed.setDefaultCloseOperation(javax.swing.JFrame.EXIT_ON_CLOSE);
// smoothed.showImage(ipl_subBubble_gray);
CvSeq seq =
cvHoughCircles(
ipl_subBubble_gray,
circles,
CV_HOUGH_GRADIENT,
1,
50,
80,
20,
32,
(int) (ipl_subBubble_gray.height() / (7)));
Integer[][] FilledBubbles =
new Integer[4][4]; // arry holds the #of pixels seen and the y dimention of subimage
// Vector<CvPoint> centers = new Vector<CvPoint>(4);//the 4 can be seq.total()
for (int j = 0; j < seq.total(); j++) { // draw a circle around each circle found
CvPoint3D32f xyr = new CvPoint3D32f(cvGetSeqElem(seq, j));
CvPoint center = new CvPoint(Math.round(xyr.x()), Math.round(xyr.y()));
int radius = Math.round(xyr.z());
cvCircle(ipl_subBubble_large, center, 3, CvScalar.GREEN, -1, 8, 0); // center of circle
cvCircle(ipl_subBubble_large, center, radius, CvScalar.BLUE, 3, 8, 0); // outer circle
FilledBubbles[j][0] =
FindBubbleSelected(center, radius, ipl_subBubble_gray); // bubble selected area
// FilledBubbles[j][0] = 1; //here to get rid of dimensions error
FilledBubbles[j][1] = Math.round(center.x());
FilledBubbles[j][2] = Math.round(center.y());
FilledBubbles[j][3] = Math.round(radius);
// System.out.println("Filled bubble Count = "+ FilledBubbles[j]);
} // end of look for circles for
// //the algorithm may not find circles //was trying to fix an old error, solved it by
// fixing th size of the image on hte pdf to image conversion
// int anynull = anynulls(FilledBubbles);
//// System.out.println("anynull = "+ anynull);
// if(anynull == 1){
// numoffails++;
// continue; //this question, not all circles were found.
// }//end of null check //this means not all 4 circles were found
// System.out.println("filled bubbles size = " + FilledBubbles[0].length);
// System.out.println("filled bubbles size = " + FilledBubbles.length);
FilledBubbles =
SortbyYdimention(
FilledBubbles); // note to self, check for nulls because that woud be an issue....
// print out area of bubble
// for(Integer[] tp : FilledBubbles){
// System.out.println("Filled bubble Count = "+ tp[0] + " loc = "+ tp[1]);
// }
int[] selectResult =
ReturnIndexOfmax(FilledBubbles); // maxindex = the answer submitted by the student
int maxIndex = selectResult[0];
int isfound = 1;
int ismulti = 0;
if (selectResult[1] > 1
|| selectResult[2]
== 1) { // selectResult[1] = number of bubbles , selectResult[2] = no selections
// made
System.out.println("more than one bubble was selected");
// Aindex++; //index for looping through answer array //need to be
// incremented to keep data correct
// index++; //(0-number of questions) //need to be incremented to keep data
// correct
// numoffails++; //student selected too many inputs, hence trying to cheat
// and
isfound = 0;
ismulti = 1;
// continue;
} // end of slectResults[1] if
/* GRADE THE RESULTS!!! */
// TestObject =mongo query result, Aindex = question being looked at
String QID =
new String(
TestAnswerSheet.get(Aindex).get("IDS").getTextValue()); // grab the question ID
int CorrectAnswerloc =
TestAnswerSheet.get(Aindex).get("Answer").getIntValue(); // correct answer location
System.out.println("Correc answer location = " + CorrectAnswerloc);
System.out.println("IDS = " + QID + " QI = " + Aindex);
int iscorrect = 0;
if (ismulti == 1) { // if multiple selected
iscorrect = 0;
} else { // if only one input for a question is found
iscorrect = checkcorrectness(CorrectAnswerloc, maxIndex);
}
// create the student selections by question found
BasicDBObject newvals = new BasicDBObject();
String Answersnum = new String("TestAnswerSheet." + Integer.toString(Aindex));
newvals.put(Answersnum + ".found", isfound);
newvals.put(Answersnum + ".multiselect", ismulti);
// newvals.put(Answersnum + ".correct", iscorrect);
// newvals.put(Answersnum + ".selected", maxIndex);
BasicDBObject posop = new BasicDBObject("$set", newvals);
System.out.println("inc query = " + posop.toString());
coll.update(new BasicDBObject("_id", new ObjectId(message)), posop);
// System.out.println("first character = " + QID.charAt(0));
// System.out.println("last character = " + QID.charAt(2));
char stud =
QID.charAt(0); // this is the student //QID starts at 1, not at 0 hence the negative
char Q = QID.charAt(2); // this is the question
System.out.println("Student num = " + stud);
System.out.println(
"Q num = "
+ Character.getNumericValue(Q - 1)); // QID starts at 1, not at 0 hence the negative
// Aggregate information to create Test Results array
int Qint =
Aindex
% numofquestions; // Qint = the question number of the test -1(includes 0 hence the
// -1) //should be equivalent to char Q
// System.out.println("Score for this question = " +
// Questions.get(Qint).get("Score").getDoubleValue());
if (iscorrect == 1) {
System.out.println("mod result = " + Qint);
System.out.println("Question = " + Qint + " is correct = " + iscorrect);
CorrectlyAnswered[Qint] =
CorrectlyAnswered[Qint] + 1; // byquestion.IncrementCorrectlyAnswered(Qint);
byquestion.IncrementCorrectlyAnswered(Qint);
bystudent.IncrementCorrectlyAnswered(Character.getNumericValue(stud));
byquestion.InsertScore(Character.getNumericValue(stud), Qint);
} else if (iscorrect
== 0) { // wrong answer was selected // Selections // or multiple selections
System.out.println("mod result = " + Qint);
System.out.println("Question = " + Qint + " is Incorrect = " + iscorrect);
IncorrectlyAnswered[Qint] =
IncorrectlyAnswered[Qint] + 1; // byquestion.IncrementCorrectlyAnswered(Qint);
byquestion.IncrementIncorrectlyAnswered(Qint);
bystudent.IncrementIncorrectlyAnswered(Character.getNumericValue(stud));
}
byquestion.IncrementSelectedAnswer(
maxIndex, Qint); // increment the number of times a selection was made
Selections[Character.getNumericValue(stud)][Qint] = maxIndex;
SelectionTotal[Qint][maxIndex] =
SelectionTotal[Qint][maxIndex]
+ 1; // byquestion.IncrementSelectedWrongAnwer(Qint, maxIndex);
bystudent.IncrementRepliedTo(Character.getNumericValue(stud));
Aindex++; // index for looping through answer array
/* END GRADE THE RESULTS!!! */
// TestObject
// draw the red circles
CvPoint slectedcenter =
new CvPoint(
FilledBubbles[maxIndex][1].intValue(), FilledBubbles[maxIndex][2].intValue());
cvCircle(
ipl_subBubble_large,
slectedcenter,
FilledBubbles[maxIndex][3].intValue(),
CvScalar.RED,
3,
8,
0);
// saving subimages to i can debug results
// String subimagename = new String("subimage_"+i+"_"+index+".jpg");
index++; // (0-number of questions)
// cvSaveImage(subimagename,ipl_subBubble_large);
// create image window named "My Image"
// String que = new String("_for_"+ result.getText());
// final CanvasFrame canvas = new CanvasFrame("Bubbles_Found"+que);
// // request closing of the application when the image window is closed
// canvas.setDefaultCloseOperation(javax.swing.JFrame.EXIT_ON_CLOSE);
// // show image on window
// canvas.showImage(ipl_subBubble_large);
System.out.println("____________________________________");
} // end of for results loop
// end drawing boxes around each QR CODE
// //START code to display in JFRAME
// if(i == 0){
// frame.getContentPane().setLayout(new FlowLayout());
// frame.getContentPane().add(new JLabel(new ImageIcon(outimage)));
// frame.pack();
// frame.setVisible(true);
// }
// else {
//
// frame.getContentPane().add(new JLabel(new ImageIcon(outimage)));
// frame.pack();
// frame.setVisible(true);
//
// }
// //END code to display in JFRAME
} // end of for loop of pages
// putput how well teh students performed on test
for (int i = 0; i < numofstudents; i++) {
System.out.println(
"student" + i + "answered Correctly: " + bystudent.CorrectlyAnswered[i] + " Questions");
System.out.println(
"student"
+ i
+ "answered Incorrectly: "
+ bystudent.IncorrectlyAnswered[i]
+ " Questions");
System.out.println("student" + i + "answered: " + bystudent.RepliedTo[i] + " Questions");
}
// results by student and question
for (int i = 0; i < Selections.length; i++) {
for (int j = 0; j < Selections[0].length; j++) {
System.out.println("Student (" + i + "," + j + ") selected = " + Selections[i][j]);
}
}
// results by question and reply
for (int i = 0; i < SelectionTotal.length; i++) {
System.out.println(
"Selection below = "
+ byquestion.SelectedWrongAnswer_0[i]
+ " "
+ byquestion.SelectedWrongAnswer_1[i]
+ " "
+ byquestion.SelectedWrongAnswer_2[i]
+ " "
+ byquestion.SelectedCorrectAnswer[i]
+ " ");
System.out.println(
"correctly answered = " + byquestion.CorrectlyAnswered[i] + " " + CorrectlyAnswered[i]);
for (int j = 0; j < SelectionTotal[0].length; j++) {
System.out.println("Quesetion (" + i + "," + j + ") selected = " + SelectionTotal[i][j]);
}
} // end of selctiontotal for loop
byquestion.ComputePercentCorrectlyAnswered();
byquestion.ComputePercentIncorrectlyAnswered();
byquestion.ComputePercentCorrectSTD();
byquestion.ComputeMeanScoreByQuestion(); // average score for any question by question
// byquestion.ComputeMeanScoreByStudent(); //average score for any one question by student
byquestion.ComputeMeanbyQuestionSTD();
bystudent.ComputeTotalScores(
byquestion.Scoresbystudent); // compute the total scores for any student
bystudent.ComputeMeanTotalScore(byquestion.Scoresbystudent);
byTest bytest = new byTest(numofquestions, numofstudents, bystudent);
bytest.ComputeMeanScoreTest();
bytest.ComputeMeanScoreSTD();
bytest.ComputePercentCorrecltyAnswered();
bytest.ComputePercentIncorrecltyAnswered();
// create Test Results by question
ArrayList<BasicDBObject> TestResultbyQuestion =
new ArrayList<BasicDBObject>(); // Array of the answer locations
for (int j = 0; j < byquestion.CorrectlyAnswered.length; j++) {
BasicDBObject ByQuestionVals = new BasicDBObject();
ByQuestionVals.put("SelectedWrongAnswer_0", byquestion.SelectedWrongAnswer_0[j]);
ByQuestionVals.put("SelectedWrongAnswer_1", byquestion.SelectedWrongAnswer_1[j]);
ByQuestionVals.put("SelectedWrongAnswer_2", byquestion.SelectedWrongAnswer_2[j]);
ByQuestionVals.put("SelectedCorrectAnswer", byquestion.SelectedCorrectAnswer[j]);
ByQuestionVals.put("CorrectlyAnswered", byquestion.CorrectlyAnswered[j]);
ByQuestionVals.put("IncorrectlyAnswered", byquestion.IncorrectlyAnswered[j]);
ByQuestionVals.put("PercentCorrect", byquestion.PercentCorrectlyAnswered[j]);
ByQuestionVals.put("PercentIncorrect", byquestion.PercentIncorrectlyAnswered[j]);
ByQuestionVals.put("STD", byquestion.STD[j]);
ByQuestionVals.put("Mean", byquestion.ScoreMean[j]); // means score for this question
ByQuestionVals.put("_id", new ObjectId());
TestResultbyQuestion.add(ByQuestionVals); // add Rvals into the Testresultarray listarray
// System.out.println("Question " + j + " numcorrect = " + CorrectlyAnswered[j]);
}
// create Test Results by test
BasicDBObject ByTestVals = new BasicDBObject();
ByTestVals.put("Mean", bytest.ScoreMean);
ByTestVals.put("STD", bytest.ScoreSTD);
ByTestVals.put("PercentCorrect", bytest.PercentCorrectlyAnswered);
ByTestVals.put("PercentInorrect", bytest.PercentIncorrectlyAnswered);
ByTestVals.put("_id", new ObjectId());
// create graded exists
BasicDBObject TestGradedVals = new BasicDBObject();
TestGradedVals.put("WasGraded", 1);
Date now = new Date();
TestGradedVals.put("GradeOn", now);
TestGradedVals.put("_id", new ObjectId());
// create Test Results by student
ArrayList<BasicDBObject> TestResultbyStudent =
new ArrayList<BasicDBObject>(); // Array of the answers by student
for (int j = 0; j < bystudent.CorrectlyAnswered.length; j++) {
BasicDBObject ByStudentVals = new BasicDBObject();
ByStudentVals.put("CorrectlyAnswered", bystudent.CorrectlyAnswered[j]);
ByStudentVals.put("IncorrectlyAnswered", bystudent.IncorrectlyAnswered[j]);
ByStudentVals.put("RepliedTo", bystudent.RepliedTo[j]);
ByStudentVals.put("ScoreTotal", bystudent.ScoreTotal[j]);
// ByStudentVals.put("ScoreMean", bystudent.ScoreMean[j]); //this is still wrong, unless i
// want ot show the mean of score for any 1 question
ByStudentVals.put("_id", new ObjectId());
TestResultbyStudent.add(ByStudentVals); // add Rvals into the Testresultarray listarray
// System.out.println("Question " + j + " numcorrect = " + CorrectlyAnswered[j]);
}
// v1
BasicDBObject TRbyQuestions = new BasicDBObject("TRbyQuestions", TestResultbyQuestion);
BasicDBObject set = new BasicDBObject("$set", TRbyQuestions);
// System.out.println("Test result query = " + TRbyQuestions);
coll.update(new BasicDBObject("_id", new ObjectId(message)), set);
BasicDBObject TRbyTest = new BasicDBObject("TRbyTest", ByTestVals);
BasicDBObject settest = new BasicDBObject("$set", TRbyTest);
coll.update(new BasicDBObject("_id", new ObjectId(message)), settest);
BasicDBObject TestGradedobject = new BasicDBObject("TestGraded", TestGradedVals);
BasicDBObject settestgraded = new BasicDBObject("$set", TestGradedobject);
coll.update(new BasicDBObject("_id", new ObjectId(message)), settestgraded);
BasicDBObject TRbyStudent = new BasicDBObject("TRbyStudents", TestResultbyStudent);
BasicDBObject set1 = new BasicDBObject("$set", TRbyStudent);
coll.update(new BasicDBObject("_id", new ObjectId(message)), set1);
// v2
// DBObject TestObject2 = coll.findOne(new BasicDBObject("_id", new ObjectId(message))); //the
// actual mongo query
// TestObject2.put("CorrectlyAnswered", TestResultsarray);
// coll.save(TestObject2);
System.out.println("Failed to grade " + numoffails + " questions");
doc.close();
} // end of Grader
/**
* @return points related to the barcode in the image. These are typically points identifying
* finder patterns or the corners of the barcode. The exact meaning is specific to the type of
* barcode that was decoded.
* @see Result#getResultPoints()
*/
public ResultPoint[] getResultPoints() {
return mResult.getResultPoints();
}
/**
* Adjusts and crops the BufferedImage based on the two QR codes.
*
* @param img the BufferedImage to be manipulated
* @return adjusted and cropped BufferedImage
* @throws IOException
* @throws NotFoundException
*/
public BufferedImage manipulateImage(BufferedImage img, double[] config)
throws IOException, NotFoundException {
// Config: 0- xOff1 baseline 1- yOff1 baseline
double xOff1 = 0;
double yOff1 = 0;
double radOff = 0;
double x1 = 0;
double y1 = 0;
double x2 = 0;
double y2 = 0;
// Create binary image of the BufferedImage
LuminanceSource lumSource = new BufferedImageLuminanceSource(img);
BinaryBitmap bitmap = new BinaryBitmap(new GlobalHistogramBinarizer(lumSource));
Collection<Result> results = new ArrayList<>(1);
// Look for multiple QR codes in the binary image
QRCodeMultiReader multiReader = new QRCodeMultiReader();
Result[] theResults = multiReader.decodeMultiple(bitmap, HINTS);
if (theResults != null) {
results.addAll(Arrays.asList(theResults));
}
for (Object result : results.toArray()) {
Result theResult = (Result) result;
if (theResult.getText().equals("upperLeft")) {
xOff1 = config[0] - theResult.getResultPoints()[1].getX();
yOff1 = config[1] - theResult.getResultPoints()[1].getY();
}
}
// Translate the image so the "upperLeft" QR code is aligned with the actual
AffineTransform tx = new AffineTransform();
tx.translate(xOff1, yOff1);
AffineTransformOp op = new AffineTransformOp(tx, AffineTransformOp.TYPE_BILINEAR);
img = op.filter(img, null);
// Create binary image of the BufferedImage
lumSource = new BufferedImageLuminanceSource(img);
bitmap = new BinaryBitmap(new GlobalHistogramBinarizer(lumSource));
results = new ArrayList<>(1);
// Look for multiple QR codes in the image
multiReader = new QRCodeMultiReader();
theResults = multiReader.decodeMultiple(bitmap, HINTS);
if (theResults != null) {
results.addAll(Arrays.asList(theResults));
}
for (Object result : results.toArray()) {
Result theResult = (Result) result;
if (theResult.getText().equals("upperLeft")) {
x1 = theResult.getResultPoints()[1].getX();
y1 = theResult.getResultPoints()[1].getY();
} else if (theResult.getText().equals("lowerRight")) {
x2 = theResult.getResultPoints()[1].getX();
y2 = theResult.getResultPoints()[1].getY();
}
}
radOff = config[2] - Math.atan((y2 - y1) / (x2 - x1));
// Rotates image to align the "lowerRight" QR code
AffineTransform tx1 = new AffineTransform();
tx1.rotate(radOff, 0, 0);
AffineTransformOp op1 = new AffineTransformOp(tx1, AffineTransformOp.TYPE_BILINEAR);
img = op1.filter(img, null);
// TODO add func to grab these and store 'em 187.5 187.0 337.5 339.0
// 0.94022327296995122925
// TODO Size of actual based on sheet -- needs to be drawn from config
// Grab a crop that has no margin
// img = img.getSubimage(150, 150, 2250, 3000);
img = img.getSubimage((int) config[3], (int) config[4], (int) config[5], (int) config[6]);
return img;
}
