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GraphicApp.java
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GraphicApp.java
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package org.genericsystem.cv.application;
import java.io.ByteArrayInputStream;
import java.util.List;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import org.genericsystem.cv.utils.NativeLibraryLoader;
import org.opencv.core.CvType;
import org.opencv.core.Mat;
import org.opencv.core.MatOfByte;
import org.opencv.core.Rect;
import org.opencv.core.Size;
import org.opencv.imgcodecs.Imgcodecs;
import org.opencv.imgproc.Imgproc;
import org.opencv.videoio.VideoCapture;
import javafx.application.Application;
import javafx.application.Platform;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.ScrollPane;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.input.KeyCode;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
import javafx.stage.WindowEvent;
public class GraphicApp extends Application{
private final double f = 6.053 / 0.009;
private final VideoCapture capture = new VideoCapture(0);
private SuperFrameImg superFrame = SuperFrameImg.create(capture, f);
private ReferenceManager referenceManager = new ReferenceManager(superFrame.size());
private boolean stabilizedMode = false;
private boolean textsEnabledMode = false;
private Deperspectiver deperspectiver = new Deperspectiver();
private DisplayManager displayManager = new DisplayManager();
private ScheduledExecutorService timer = Executors.newSingleThreadScheduledExecutor();
public static void main(String[] args) {
launch(args);
}
static {
NativeLibraryLoader.load();
}
public final static double displayWidth = 400d;
@Override
public void start(Stage stage) throws Exception {
GridPane gridPane = new GridPane();
// fillGrid(gridPane);
double displaySizeReduction = 2;
ImageView view00 = new ImageView();
ImageView view01 = new ImageView();
ImageView view10 = new ImageView();
ImageView view11 = new ImageView();
gridPane.add(view00, 0, 0);
gridPane.add(view01, 0, 1);
gridPane.add(view10, 1, 0);
gridPane.add(view11, 1, 1);
view00.setFitWidth(superFrame.width() / displaySizeReduction);
view00.setFitHeight(superFrame.height() / displaySizeReduction);
view01.setFitWidth(superFrame.width() / displaySizeReduction);
view01.setFitHeight(superFrame.height() / displaySizeReduction);
view10.setFitWidth(superFrame.width() / displaySizeReduction);
view10.setFitHeight(superFrame.height() / displaySizeReduction);
view11.setFitWidth(superFrame.width() / displaySizeReduction);
view11.setFitHeight(superFrame.height() / displaySizeReduction);
double[] pp = superFrame.getPrincipalPoint();
timer.scheduleAtFixedRate(() -> {
try {
if (!stabilizedMode)
superFrame = SuperFrameImg.create(capture, f);
Lines lines = superFrame.detectLines();
Mat deperspectiveHomography = deperspectiver.doWork(superFrame, f, pp, textsEnabledMode, lines);
if (deperspectiveHomography != null){
SuperFrameImg superDeperspectived = superFrame.deperspective(deperspectiveHomography);
List<Rect> detectedRects = superDeperspectived.detectRects();
ImgDescriptor newImgDescriptor = new ImgDescriptor(superDeperspectived);
referenceManager.submit(newImgDescriptor, detectedRects);
Image image1 = displayManager.displayFrame(superFrame, lines, deperspectiver.getCalibratedVps());
Image image2 = displayManager.displaySuperDeperspectived(superDeperspectived, detectedRects);
Image image3 = displayManager.displayDiffFrame(superDeperspectived);
Image image4 = displayManager.displayReferenceFrame(referenceManager, pp ,f);
Platform.runLater(() -> {
view00.setImage(image1);
view01.setImage(image2);
view10.setImage(image3);
view11.setImage(image4);
});
}
} catch (Throwable e) {
e.printStackTrace();
}
}, 30, 30, TimeUnit.MILLISECONDS);
Scene scene = new Scene(new Group());
stage.setTitle("Generic System Information Retriever");
ScrollPane scrollPane = new ScrollPane(gridPane);
scrollPane.setFitToHeight(true);
VBox root = new VBox(scrollPane);
scene.setRoot(root);
stage.setOnCloseRequest(new EventHandler<WindowEvent>() {
@Override
public void handle(WindowEvent event) {
try {
stop();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
});
scene.setOnKeyPressed(event -> {
if (event.getCode() == KeyCode.SPACE)
onSpace();
if (event.getCode() == KeyCode.R)
onR();
if (event.getCode() == KeyCode.T)
onT();
if (event.getCode() == KeyCode.S)
onS();
});
stage.setScene(scene);
stage.show();
}
protected void onS() {
System.out.println("s pressed");
}
// hook
protected void onSpace() {
System.out.println("space pressed");
stabilizedMode = !stabilizedMode;
}
protected void onR() {
System.out.println("r pressed");
}
protected void onT() {
System.out.println("t pressed");
textsEnabledMode = !textsEnabledMode;
}
protected ImageView buildImageViewFromMat(Mat src) {
Mat conv = new Mat();
src.convertTo(conv, CvType.CV_8UC1);
Mat target = new Mat();
Imgproc.resize(conv, target, new Size(displayWidth, Math.floor((displayWidth / conv.width()) * conv.height())));
MatOfByte buffer = new MatOfByte();
Imgcodecs.imencode(".png", target, buffer);
ImageView imageView = new ImageView(new Image(new ByteArrayInputStream(buffer.toArray())));
imageView.setPreserveRatio(true);
imageView.setFitWidth(displayWidth);
conv.release();
target.release();
buffer.release();
return imageView;
}
@Override
public void stop() throws Exception {
super.stop();
timer.shutdown();
timer.awaitTermination(5000, TimeUnit.MILLISECONDS);
capture.release();
}
}