Examples with WritableImage javafx.scene.image.WritableImage used on opensource projects

Example 26 with WritableImage

use of javafx.scene.image.WritableImage in project jvarkit by lindenb.

the class CaseControlJfx method saveImageAs.

private void saveImageAs(final ScatterChart<Number, Number> chart, File file) throws IOException {
    WritableImage image = chart.snapshot(new SnapshotParameters(), null);
    String format = "png";
    if (file.getName().toLowerCase().endsWith(".jpg") || file.getName().toLowerCase().endsWith(".jpeg")) {
        format = "jpg";
    }
    ImageIO.write(SwingFXUtils.fromFXImage(image, null), format, file);
}

Example 27 with WritableImage

use of javafx.scene.image.WritableImage in project latexdraw by arnobl.

the class FxRobotCaptureScreenshot method captureScreenshot.

/**
 * Takes a screenshot using a file name.
 * @param dir
 * @param name
 * @param node
 * @return The screenshot
 */
default File captureScreenshot(final Path dir, final String name, final Node node) {
    File captureFile = new File(dir + File.separator + name + new Date().getTime() + ".png");
    Platform.runLater(() -> {
        WritableImage img = node.snapshot(null, null);
        try {
            ImageIO.write(SwingFXUtils.fromFXImage(img, null), "png", captureFile);
        } catch (Exception e) {
            e.printStackTrace();
        }
    });
    return captureFile;
}

Example 28 with WritableImage

use of javafx.scene.image.WritableImage in project MAVSlam by ecmnet.

the class StreamRealSenseTest method start.

@Override
public void start(Stage primaryStage) {
    primaryStage.setTitle("BoofCV RealSense Demo");
    FlowPane root = new FlowPane();
    root.getChildren().add(ivrgb);
    ivrgb.setOnMouseMoved(event -> {
        MouseEvent ev = event;
        mouse_x = (int) ev.getX();
        mouse_y = (int) ev.getY();
    });
    // RealSenseInfo info = new RealSenseInfo(320,240, RealSenseInfo.MODE_RGB);
    RealSenseInfo info = new RealSenseInfo(640, 480, RealSenseInfo.MODE_RGB);
    try {
        realsense = new StreamRealSenseVisDepth(0, info);
    } catch (Exception e) {
        System.out.println("REALSENSE:" + e.getMessage());
        return;
    }
    mouse_x = info.width / 2;
    mouse_y = info.height / 2;
    primaryStage.setScene(new Scene(root, info.width, info.height));
    primaryStage.show();
    PkltConfig configKlt = new PkltConfig();
    configKlt.pyramidScaling = new int[] { 1, 2, 4, 8 };
    configKlt.templateRadius = 3;
    PointTrackerTwoPass<GrayU8> tracker = FactoryPointTrackerTwoPass.klt(configKlt, new ConfigGeneralDetector(900, 2, 1), GrayU8.class, GrayS16.class);
    DepthSparse3D<GrayU16> sparseDepth = new DepthSparse3D.I<GrayU16>(1e-3);
    // declares the algorithm
    MAVDepthVisualOdometry<GrayU8, GrayU16> visualOdometry = FactoryMAVOdometry.depthDepthPnP(1.2, 120, 2, 200, 50, true, sparseDepth, tracker, GrayU8.class, GrayU16.class);
    visualOdometry.setCalibration(realsense.getIntrinsics(), new DoNothingPixelTransform_F32());
    output = new BufferedImage(info.width, info.height, BufferedImage.TYPE_3BYTE_BGR);
    wirgb = new WritableImage(info.width, info.height);
    ivrgb.setImage(wirgb);
    realsense.registerListener(new Listener() {

        int fps;

        float mouse_depth;

        float md;

        int mc;

        int mf = 0;

        int fpm;

        @Override
        public void process(Planar<GrayU8> rgb, GrayU16 depth, long timeRgb, long timeDepth) {
            if ((System.currentTimeMillis() - tms) > 250) {
                tms = System.currentTimeMillis();
                if (mf > 0)
                    fps = fpm / mf;
                if (mc > 0)
                    mouse_depth = md / mc;
                mc = 0;
                md = 0;
                mf = 0;
                fpm = 0;
            }
            mf++;
            fpm += (int) (1f / ((timeRgb - oldTimeDepth) / 1000f) + 0.5f);
            oldTimeDepth = timeRgb;
            if (!visualOdometry.process(rgb.getBand(0), depth)) {
                bus1.writeObject(position);
                System.out.println("VO Failed!");
                visualOdometry.reset();
                return;
            }
            Se3_F64 leftToWorld = visualOdometry.getCameraToWorld();
            Vector3D_F64 T = leftToWorld.getT();
            AccessPointTracks3D points = (AccessPointTracks3D) visualOdometry;
            ConvertBufferedImage.convertTo(rgb, output, false);
            Graphics c = output.getGraphics();
            int count = 0;
            float total = 0;
            int dx = 0, dy = 0;
            int dist = 999;
            int x, y;
            int index = -1;
            for (int i = 0; i < points.getAllTracks().size(); i++) {
                if (points.isInlier(i)) {
                    c.setColor(Color.BLUE);
                    x = (int) points.getAllTracks().get(i).x;
                    y = (int) points.getAllTracks().get(i).y;
                    int d = depth.get(x, y);
                    if (d > 0) {
                        int di = (int) Math.sqrt((x - mouse_x) * (x - mouse_x) + (y - mouse_y) * (y - mouse_y));
                        if (di < dist) {
                            index = i;
                            dx = x;
                            dy = y;
                            dist = di;
                        }
                        total++;
                        if (d < 500) {
                            c.setColor(Color.RED);
                            count++;
                        }
                        c.drawRect(x, y, 1, 1);
                    }
                }
            }
            if (depth != null) {
                if (index > -1)
                    System.out.println(visualOdometry.getTrackLocation(index));
                mc++;
                md = md + depth.get(dx, dy) / 1000f;
                c.setColor(Color.GREEN);
                c.drawOval(dx - 3, dy - 3, 6, 6);
            }
            c.setColor(Color.CYAN);
            c.drawString("Fps:" + fps, 10, 20);
            c.drawString(String.format("Loc: %4.2f %4.2f %4.2f", T.x, T.y, T.z), 10, info.height - 10);
            c.drawString(String.format("Depth: %3.2f", mouse_depth), info.width - 85, info.height - 10);
            position.x = T.x;
            position.y = T.y;
            position.z = T.z;
            position.tms = timeRgb;
            bus1.writeObject(position);
            if ((count / total) > 0.6f) {
                c.setColor(Color.RED);
                c.drawString("WARNING!", info.width - 70, 20);
            }
            c.dispose();
            Platform.runLater(() -> {
                SwingFXUtils.toFXImage(output, wirgb);
            });
        }
    }).start();
}

Example 29 with WritableImage

use of javafx.scene.image.WritableImage in project JavaFXLibrary by eficode.

the class FxImageComparison method assertSnapshotsEqual.

/**
 * Asserts that the node under test produces the same snapshot than the reference one, using a tolerance thresold.
 * @param referenceSnapshot The path of the reference snapshot (a png picture).
 * @param nodeUnderTest The node under test.
 * @param tolerance The tolerance threshold: the percentage (in [0;100]) of the pixels that can differ.
 * @throws NullPointerException if the reference snapshot is null.
 * @throws IllegalArgumentException if the reference snapshot is invalid or unsupported.
 */
default void assertSnapshotsEqual(final String referenceSnapshot, final Node nodeUnderTest, final double tolerance) throws IOException, URISyntaxException {
    final WritableImage observedImage = new WritableImage((int) nodeUnderTest.getScene().getWidth(), (int) nodeUnderTest.getScene().getHeight());
    Platform.runLater(() -> nodeUnderTest.snapshot(new SnapshotParameters(), observedImage));
    WaitForAsyncUtils.waitForFxEvents();
    final Image oracleImage = new Image(new File(referenceSnapshot).toURI().toURL().toExternalForm());
    assertEquals("The two snapshots differ", 100d, computeSnapshotSimilarity(observedImage, oracleImage), tolerance);
}

Example 30 with WritableImage

use of javafx.scene.image.WritableImage in project FXyzLib by Birdasaur.

the class Palette method createPalette.

public Image createPalette(boolean save) {
    if (numColors < 1) {
        return null;
    }
    // try to create a square image
    width = (int) Math.sqrt(numColors);
    height = numColors / width;
    imgPalette = new WritableImage(width, height);
    PixelWriter pw = ((WritableImage) imgPalette).getPixelWriter();
    AtomicInteger count = new AtomicInteger();
    IntStream.range(0, height).boxed().forEach(y -> IntStream.range(0, width).boxed().forEach(x -> pw.setColor(x, y, getColor(count.getAndIncrement()))));
    if (save) {
        saveImage();
    }
    return imgPalette;
}