Example usage for javafx.scene.image WritableImage WritableImage

Introduction

In this page you can find the example usage for javafx.scene.image WritableImage WritableImage.

Prototype

public WritableImage(@NamedArg("width") int width, @NamedArg("height") int height) 

Source Link

Document

Construct an empty image of the specified dimensions.

Usage

From source file:ijfx.core.image.DefaultDatasetUtilsService.java

public <T extends RealType<T>> Image datasetToImage(RandomAccessibleInterval<T> dataset, ColorTable colorTable,
        double min, double max) {

    int width = (int) dataset.dimension(0);
    int height = (int) dataset.dimension(1);
    WritableImage image = new WritableImage(width, height);

    datasetToImage(dataset, colorTable, min, max, image);

    return image;
}

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From source file:be.makercafe.apps.makerbench.editors.GCodeEditor.java

private void handleExportAsPngFile(ActionEvent e) {

    if (csgObject == null) {
        Alert alert = new Alert(AlertType.ERROR);
        alert.setTitle("Oeps an error occured");
        alert.setHeaderText("Cannot export PNG. There is no geometry !");
        alert.setContentText("Please verify that your code generates a valid CSG object.");
        alert.showAndWait();/*from   w  w w  . j a  v  a  2 s  .  c o  m*/
        return;
    }

    FileChooser fileChooser = new FileChooser();
    fileChooser.setTitle("Export PNG File");
    fileChooser.getExtensionFilters().add(new FileChooser.ExtensionFilter("Image files (*.png)", "*.png"));

    File f = fileChooser.showSaveDialog(null);

    if (f == null) {
        return;
    }

    String fName = f.getAbsolutePath();

    if (!fName.toLowerCase().endsWith(".png")) {
        fName += ".png";
    }

    int snWidth = 1024;
    int snHeight = 1024;

    double realWidth = viewGroup.getBoundsInLocal().getWidth();
    double realHeight = viewGroup.getBoundsInLocal().getHeight();

    double scaleX = snWidth / realWidth;
    double scaleY = snHeight / realHeight;

    double scale = Math.min(scaleX, scaleY);

    PerspectiveCamera snCam = new PerspectiveCamera(false);
    snCam.setTranslateZ(-200);

    SnapshotParameters snapshotParameters = new SnapshotParameters();
    snapshotParameters.setTransform(new Scale(scale, scale));
    snapshotParameters.setCamera(snCam);
    snapshotParameters.setDepthBuffer(true);
    snapshotParameters.setFill(Color.TRANSPARENT);

    WritableImage snapshot = new WritableImage(snWidth, (int) (realHeight * scale));

    viewGroup.snapshot(snapshotParameters, snapshot);

    try {
        ImageIO.write(SwingFXUtils.fromFXImage(snapshot, null), "png", new File(fName));
    } catch (IOException ex) {
        Logger.getLogger(this.getClass().getName()).log(Level.SEVERE, null, ex);
        Alert alert = new Alert(AlertType.ERROR);
        alert.setTitle("Oeps an error occured");
        alert.setHeaderText("Cannot export PNG. There went something wrong writing the file.");
        alert.setContentText(
                "Please verify that your file is not read only, is not locked by other user or program, you have enough diskspace.");
        alert.showAndWait();
    }
}

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From source file:editeurpanovisu.EditeurPanovisu.java

/**
 *
 * @param imgRect//from  w w w.ja va  2 s .c  om
 * @param iRapport
 * @return image transforme Mercator
 */
private static Image imgTransformationImage(Image imgRect, int iRapport) {
    int iLargeur = (int) imgRect.getWidth() / iRapport;
    int iHauteur = iLargeur / 2 / iRapport;
    WritableImage imgMercator = new WritableImage(iLargeur, iHauteur);
    PixelReader prRect = imgRect.getPixelReader();
    PixelWriter pwMercator = imgMercator.getPixelWriter();
    for (int i = 0; i < iLargeur; i++) {
        for (int j = 0; j < iHauteur; j++) {
            double phi = Math.asin(2.d * (iHauteur / 2.d - j) / iHauteur);
            int y2 = (int) (iHauteur * iRapport * (0.5d - phi / Math.PI));
            if (y2 >= iHauteur * iRapport) {
                y2 = iHauteur * iRapport - 1;
            }
            Color clPixel = prRect.getColor(i * iRapport, y2 * iRapport);
            pwMercator.setColor(i, j, clPixel);
        }
    }
    return imgMercator;
}

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