Example usage for java.awt Graphics2D setRenderingHint

Introduction

In this page you can find the example usage for java.awt Graphics2D setRenderingHint.

Prototype

public abstract void setRenderingHint(Key hintKey, Object hintValue);

Source Link

Document

Sets the value of a single preference for the rendering algorithms.

Usage

From source file:dataminning2.KmeanGraphplot.java

protected void paintComponent(Graphics g) {
    super.paintComponent(g);

    Graphics2D g2 = (Graphics2D) g;
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    int w = getWidth();
    int h = getHeight();
    // Draw ordinate.
    g2.draw(new Line2D.Double(PAD, PAD, PAD, h - PAD));
    // Draw abcissa.
    g2.draw(new Line2D.Double(PAD, h - PAD, w - PAD, h - PAD));
    double xInc = (double) (w - 2 * PAD) / (data.length - 1);
    double scale = (double) (h - 2 * PAD) / 88;
    // Mark data points.

    g2.setPaint(Color.red);//ww w  .  ja v a 2  s. co  m

    for (int i = 0; i < cluster0.length; i++) {
        double x = PAD + i * dataX[i];
        double y = h - PAD - scale * dataY[i];
        g2.fill(new Ellipse2D.Double(x - 2, y - 2, 4, 4));
    }

    g2.setPaint(Color.BLUE);

    for (int i = 0; i < cluster1.length; i++) {
        double x = PAD + i * dataX[i];
        double y = h - PAD - scale * dataY[i];
        g2.fill(new Ellipse2D.Double(x - 2, y - 2, 4, 4));
    }
    g2.setPaint(Color.YELLOW);

    for (int i = 0; i < cluster2.length; i++) {
        double x = PAD + i * dataX[i];
        double y = h - PAD - scale * dataY[i];
        g2.fill(new Ellipse2D.Double(x - 2, y - 2, 4, 4));
    }
}

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From source file:TextQualityDemoVALUE_TEXT_ANTIALIAS_LCD_HBGR.java

public void paintComponent(Graphics g) {
    Dimension d = this.getSize();
    BufferedImage backBuffer = (BufferedImage) this.createImage(d.width, d.height);
    Graphics2D g2 = backBuffer.createGraphics();

    g2.setColor(Color.WHITE);/*  w w w.j a  v a  2 s.  c om*/
    g2.fillRect(0, 0, d.width, d.height);

    g2.setColor(Color.BLACK);
    g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, hintValue);

    g2.drawRect(0, 0, d.width - 1, d.height - 1);

    g2.drawString("abcdefghijklmnopqrstuvwxyz", 20, 40);
    g2.drawString("ABCDEFGHIJKLMNOPQRSTUVWXYZ", 20, 60);
    g2.drawString("1234567890-=!@#$%^&*()_+,./<>?", 20, 80);

    g.drawImage(backBuffer, 0, 0, this);
}

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From source file:LineStyles.java

/** This method draws the example figure */
public void paint(Graphics g1) {
    Graphics2D g = (Graphics2D) g1;
    // Use anti-aliasing to avoid "jaggies" in the lines
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    // Define the shape to draw
    GeneralPath shape = new GeneralPath();
    shape.moveTo(xpoints[0], ypoints[0]); // start at point 0
    shape.lineTo(xpoints[1], ypoints[1]); // draw a line to point 1
    shape.lineTo(xpoints[2], ypoints[2]); // and then on to point 2

    // Move the origin to the right and down, creating a margin
    g.translate(20, 40);//  ww w.  j a  va  2  s  .co m

    // Now loop, drawing our shape with the three different line styles
    for (int i = 0; i < linestyles.length; i++) {
        g.setColor(Color.gray); // Draw a gray line
        g.setStroke(linestyles[i]); // Select the line style to use
        g.draw(shape); // Draw the shape

        g.setColor(Color.black); // Now use black
        g.setStroke(thindashed); // And the thin dashed line
        g.draw(shape); // And draw the shape again.

        // Highlight the location of the vertexes of the shape
        // This accentuates the cap and join styles we're demonstrating
        for (int j = 0; j < xpoints.length; j++)
            g.fillRect(xpoints[j] - 2, ypoints[j] - 2, 5, 5);

        g.drawString(capNames[i], 5, 105); // Label the cap style
        g.drawString(joinNames[i], 5, 120); // Label the join style

        g.translate(150, 0); // Move over to the right before looping again
    }
}

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From source file:dk.netdesign.common.osgi.config.osgi.OCD.java

public BufferedImage scaleImage(BufferedImage img, int width, int height, Color background) {
    int imgWidth = img.getWidth();
    int imgHeight = img.getHeight();
    if (imgWidth * height < imgHeight * width) {
        width = imgWidth * height / imgHeight;
    } else {//  ww  w  .j a v a2s  . co m
        height = imgHeight * width / imgWidth;
    }
    BufferedImage newImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    Graphics2D g = newImage.createGraphics();
    try {
        g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
        g.setBackground(background);
        g.clearRect(0, 0, width, height);
        g.drawImage(img, 0, 0, width, height, null);
    } finally {
        g.dispose();
    }
    return newImage;
}

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From source file:com.fusesource.forge.jmstest.persistence.rrd.RrdGraphPostProcessor.java

private void createThumbnail(BufferedImage image, String name, int thumbWidth, int thumbHeight) {

    double thumbRatio = (double) thumbWidth / (double) thumbHeight;
    int imageWidth = image.getWidth(null);
    int imageHeight = image.getHeight(null);
    double imageRatio = (double) imageWidth / (double) imageHeight;

    if (thumbRatio < imageRatio) {
        thumbHeight = (int) (thumbWidth / imageRatio);
    } else {//w w  w. j  ava 2  s  . c  o  m
        thumbWidth = (int) (thumbHeight * imageRatio);
    }

    BufferedImage thumbImage = new BufferedImage(thumbWidth,

            thumbHeight, BufferedImage.TYPE_INT_RGB);
    Graphics2D graphics2D = thumbImage.createGraphics();
    graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
    graphics2D.drawImage(image, 0, 0, thumbWidth, thumbHeight, null);

    File thumbFile = new File(getWorkDir().getAbsolutePath() + "/" + name + "-thumb.png");

    try {
        ImageIO.write(thumbImage, "PNG", thumbFile);
    } catch (IOException ioe) {
        log().error("Error creating thumbnail for: " + name);
    }
}

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From source file:com.igormaznitsa.jhexed.values.HexSVGImageValue.java

@Override
public BufferedImage makeIcon(final int width, final int height, final Path2D shape, final boolean allowAlpha) {
    try {//from   w  ww.  ja  v  a2  s . c o  m
        final BufferedImage img = this.image.rasterize(width, height, BufferedImage.TYPE_INT_ARGB);
        if (shape == null) {
            return img;
        } else {
            final BufferedImage result = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
            final Graphics2D g = result.createGraphics();
            g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
            g.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION,
                    RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
            g.setClip(makeTransformedPathForSize(width, height, shape));
            g.drawImage(img, 0, 0, null);
            g.dispose();
            return result;
        }

    } catch (Exception ex) {
        ex.printStackTrace();
        return null;
    }
}

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From source file:Main.java

public void paint(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;

    RenderingHints rhints = g2d.getRenderingHints();
    boolean antialiasOn = rhints.containsValue(RenderingHints.VALUE_ANTIALIAS_ON);
    System.out.println(antialiasOn);
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

}

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From source file:FieldValidator.java

@Override
public void paint(Graphics g, JComponent c) {
    super.paint(g, c);

    JLayer jlayer = (JLayer) c;
    JFormattedTextField ftf = (JFormattedTextField) jlayer.getView();
    if (!ftf.isEditValid()) {
        Graphics2D g2 = (Graphics2D) g.create();

        // Paint the red X.
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        int w = c.getWidth();
        int h = c.getHeight();
        int s = 8;
        int pad = 4;
        int x = w - pad - s;
        int y = (h - s) / 2;
        g2.setPaint(Color.red);//from  ww w  . ja v a2  s . c o m
        g2.fillRect(x, y, s + 1, s + 1);
        g2.setPaint(Color.white);
        g2.drawLine(x, y, x + s, y + s);
        g2.drawLine(x, y + s, x + s, y);

        g2.dispose();
    }
}

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From source file:net.rptools.lib.image.ThumbnailManager.java

private Image createThumbnail(File file) throws IOException {
    // Gather info
    File thumbnailFile = getThumbnailFile(file);
    if (thumbnailFile.exists()) {
        return ImageUtil.getImage(thumbnailFile);
    }/*from   www .j a v a  2s. c  om*/

    Image image = ImageUtil.getImage(file);
    Dimension imgSize = new Dimension(image.getWidth(null), image.getHeight(null));

    // Test if we Should we bother making a thumbnail ?
    // Jamz: New size 100k (was 30k) and put in check so we're not creating thumbnails LARGER than the original...
    if (file.length() < 102400
            || (imgSize.width <= thumbnailSize.width && imgSize.height <= thumbnailSize.height)) {
        return image;
    }
    // Transform the image
    SwingUtil.constrainTo(imgSize, Math.min(image.getWidth(null), thumbnailSize.width),
            Math.min(image.getHeight(null), thumbnailSize.height));
    BufferedImage thumbnailImage = new BufferedImage(imgSize.width, imgSize.height,
            ImageUtil.pickBestTransparency(image));

    Graphics2D g = thumbnailImage.createGraphics();
    g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    g.drawImage(image, 0, 0, imgSize.width, imgSize.height, null);
    g.dispose();

    // Use png to preserve transparency
    FileUtils.writeByteArrayToFile(thumbnailFile, ImageUtil.imageToBytes(thumbnailImage, "png"));

    return thumbnailImage;
}

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From source file:Main.java

public void paint(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;

    RenderingHints rhints = g2d.getRenderingHints();
    boolean antialiasOn = rhints.containsValue(RenderingHints.VALUE_ANTIALIAS_ON);
    System.out.println(antialiasOn);

    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

}

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