Example usage for javafx.scene.canvas GraphicsContext setFill

Introduction

In this page you can find the example usage for javafx.scene.canvas GraphicsContext setFill.

Prototype

public void setFill(Paint p) 

Source Link

Document

Sets the current fill paint attribute.

Usage

From source file:Main.java

@Override
public void start(Stage stage) {
    Canvas canvas = new Canvas(300, 100);

    GraphicsContext gc = canvas.getGraphicsContext2D();

    gc.setLineWidth(2.0);/* ww  w .  ja  v a 2  s  .  c  o  m*/
    gc.setFill(Color.RED);

    gc.strokeRoundRect(10, 10, 50, 50, 10, 10);

    gc.fillOval(70, 10, 50, 20);

    gc.strokeText("Hello Canvas", 150, 20);

    Pane root = new Pane();
    root.getChildren().add(canvas);
    Scene scene = new Scene(root);
    stage.setScene(scene);
    stage.setTitle("");
    stage.show();
}

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From source file:ijfx.ui.previewToolbar.DefaultWidget.java

@Override
public Image getImage(PreviewService previewService, int size) {

    if (image != null)
        return image;

    if (previewService == null)
        return null;

    if (previewService.getImageDisplayService().getActiveDataset() == null) {
        return null;
    } else if (this.getIcon().equals("preview")) {
        try {//from  w w w.  j av  a2  s.co  m
            previewService.setParameters(-1, -1, size, size);
            return previewService.getImageDisplay(action, this.getParameters());

        } catch (Exception e) {
            e.printStackTrace();
            FontAwesomeIconView fontAwesomeIconView = new FontAwesomeIconView(FontAwesomeIcon.AMBULANCE);
            return FontAwesomeIconUtils.FAItoImage(fontAwesomeIconView, size);
        }
    }

    else if (getIcon().startsWith("char:")) {
        Canvas canvas = new Canvas(size, size);
        GraphicsContext graphicsContext2D = canvas.getGraphicsContext2D();

        graphicsContext2D.setFill(Color.WHITE);
        graphicsContext2D.setFont(javafx.scene.text.Font.font("Arial", size));
        graphicsContext2D.fillText(getIcon().substring(5), size / 3, size * 0.8);

        final SnapshotParameters params = new SnapshotParameters();
        params.setFill(Color.TRANSPARENT);
        //            final WritableImage snapshot = canvas.snapshot(params, null);

        Task<WritableImage> getIcon = new CallbackTask<Canvas, WritableImage>(canvas)
                .run(input -> input.snapshot(params, null));

        Platform.runLater(getIcon);

        try {
            // Image image = new Ima

            image = getIcon.get();
            return image;
        } catch (InterruptedException ex) {
            Logger.getLogger(DefaultWidget.class.getName()).log(Level.SEVERE, null, ex);
        } catch (ExecutionException ex) {
            Logger.getLogger(DefaultWidget.class.getName()).log(Level.SEVERE, null, ex);
        }
        return null;
    }

    //Check if icon exist in Enumeration
    else if (Arrays.stream(FontAwesomeIcon.values()).filter(e -> e.name().equals(icon)).count() > 0) {

        FontAwesomeIconView fontAwesomeIconView = new FontAwesomeIconView(FontAwesomeIcon.valueOf(icon));
        return FontAwesomeIconUtils.FAItoImage(fontAwesomeIconView, size);
    } else {
        image = new Image(getClass().getResource(icon).toExternalForm(), size, size, true, true);
        return image;
    }
}

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From source file:qupath.lib.gui.plots.ScatterPlot.java

public void drawPlot(GraphicsContext g, Rectangle2D region, int maxPoints) {

    g.save();/*  www.jav a  2  s. c  o m*/

    g.beginPath();
    g.moveTo(region.getMinX(), region.getMinY());
    g.lineTo(region.getMaxX(), region.getMinY());
    g.lineTo(region.getMaxX(), region.getMaxY());
    g.lineTo(region.getMinX(), region.getMaxY());
    g.closePath();
    g.clip();

    //      int pad = 10;
    double scaleX = region.getWidth() / (maxX - minX);
    double scaleY = region.getHeight() / (maxY - minY);

    g.setLineWidth(1.5f);

    //      g.setStroke(javafx.scene.paint.Color.GRAY);
    //      g.strokeRect(region.getX(), region.getY(), region.getWidth(), region.getHeight());

    g.translate(region.getMinX(), region.getMinY());

    //      g2d.drawLine(0, 0, 0, region.height);
    //      g2d.drawLine(0, region.height, region.width, region.height);

    double increment;
    if (maxPoints < 0 || x.length <= maxPoints)
        increment = 1;
    else
        increment = (double) x.length / maxPoints;

    for (double i = 0; i < x.length; i += increment) {
        int ind = (int) i;
        double xx = x[ind];
        double yy = y[ind];
        //         // Skip if out of range
        //         if (xx < minX || xx > maxX || yy < minY || yy > maxY)
        //            continue;

        double xo = (xx - minX) * scaleX - markerSize / 2;
        double yo = region.getHeight() - (yy - minY) * scaleY - markerSize / 2;

        Color cDraw = colorDraw == null ? null : colorDraw[ind];
        if (fillMarkers) {
            Color cFill = colorFill[ind] == null ? cDraw : colorFill[ind];
            if (cFill != null) {
                g.setFill(cFill);
                g.fillOval(xo, yo, markerSize, markerSize);
                // Don't need to draw if it would be the same color anyway
                if (cFill == cDraw)
                    continue;
            }
        }
        if (cDraw != null) {
            g.setStroke(cDraw);
            g.strokeOval(xo, yo, markerSize, markerSize);
        }
    }

    g.restore();
}

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