Example usage for java.awt RenderingHints KEY_DITHERING

List of usage examples for java.awt RenderingHints KEY_DITHERING

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Introduction

In this page you can find the example usage for java.awt RenderingHints KEY_DITHERING.

Prototype

Key KEY_DITHERING

To view the source code for java.awt RenderingHints KEY_DITHERING.

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Document

Dithering hint key.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://www.java2s.com/style/download.png");
    BufferedImage image = ImageIO.read(url);

    int w = image.getWidth();
    int h = image.getHeight();
    Ellipse2D.Double ellipse1 = new Ellipse2D.Double(10, 10, 20, 30);
    Ellipse2D.Double ellipse2 = new Ellipse2D.Double(15, 15, 20, 30);
    Area circle = new Area(ellipse1);
    circle.subtract(new Area(ellipse2));

    BufferedImage result = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g = result.createGraphics();
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
    g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
    g.setClip(circle);//w w  w . ja  v  a  2  s.  c o m
    g.drawImage(image, 0, 0, null);
    g.dispose();

    ImageIO.write(result, "png", new File("result.png"));
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String text = "java2s.com";

    BufferedImage img = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = img.createGraphics();
    Font font = new Font("Arial", Font.PLAIN, 48);
    g2d.setFont(font);/* ww  w  . ja  va2  s  . c  o m*/
    FontMetrics fm = g2d.getFontMetrics();
    int width = fm.stringWidth(text);
    int height = fm.getHeight();
    g2d.dispose();

    img = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    g2d = img.createGraphics();
    g2d.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION,
            RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2d.setRenderingHint(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY);
    g2d.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
    g2d.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
    g2d.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    g2d.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
    g2d.setFont(font);
    fm = g2d.getFontMetrics();
    g2d.setColor(Color.BLACK);
    g2d.drawString(text, 0, fm.getAscent());
    g2d.dispose();

    ImageIO.write(img, "png", new File("Text.png"));

}

From source file:Main.java

public static void draw(BufferedImage imageBG, BufferedImage imageFG) {
    Ellipse2D.Double ellipse1 = new Ellipse2D.Double(20, 20, 30, 30);
    Ellipse2D.Double ellipse2 = new Ellipse2D.Double(25, 25, 30, 30);
    Area circle = new Area(ellipse1);
    circle.subtract(new Area(ellipse2));

    Graphics2D g = imageBG.createGraphics();
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
    g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
    g.setClip(circle);// ww  w  . jav a2 s .co m
    g.drawImage(imageFG, 0, 0, null);
    g.setClip(null);
    Stroke s = new BasicStroke(2);
    g.setStroke(s);
    g.setColor(Color.BLACK);
    g.draw(circle);
    g.dispose();

    JLabel l = new JLabel(new ImageIcon(imageBG));
    JOptionPane.showMessageDialog(null, l);
}

From source file:net.sf.maltcms.common.charts.api.XYChartBuilder.java

/**
 *
 *//*from   w  ww .  ja v  a  2 s  .  c  o m*/
public XYChartBuilder() {
    plot = new XYPlot(dataset, domainAxis, rangeAxis, renderer);
    chart = new JFreeChart(plot);
    renderingHints = new RenderingHints(null);
    renderingHints.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_GASP);
    renderingHints.put(RenderingHints.KEY_TEXT_LCD_CONTRAST, 100);
    renderingHints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    renderingHints.put(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY);
    renderingHints.put(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_DISABLE);
    renderingHints.put(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    renderingHints.put(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
    renderingHints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    renderingHints.put(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
    renderingHints.put(RenderingHints.KEY_ALPHA_INTERPOLATION,
            RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
}

From source file:com.hmsinc.epicenter.spatial.render.SpatialScanRenderer.java

/**
 * @param context// ww  w  . j a v a 2s  .c o m
 * @return
 */
private BufferedImage renderImage(final MapContext context, int width, int height) {

    logger.trace("Image width: {}  height: {}", width, height);

    final BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);

    final Graphics2D graphics2D = (Graphics2D) image.getGraphics();

    final GTRenderer renderer = new StreamingRenderer();
    final RenderingHints h = new RenderingHints(RenderingHints.KEY_INTERPOLATION,
            RenderingHints.VALUE_INTERPOLATION_BICUBIC);
    h.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    h.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    h.put(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY);
    h.put(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
    renderer.setJava2DHints(h);
    renderer.setContext(context);
    renderer.paint(graphics2D, new Rectangle(width, height), context.getAreaOfInterest());

    return image;
}

From source file:net.geoprism.dashboard.DashboardMap.java

private BufferedImage getLegendTitleImage(DashboardLayer layer) {

    FontMetrics fm;//from   w  ww .  j  ava2s.c  o  m
    int textWidth;
    int textHeight;
    int textBoxHorizontalPadding = 4;
    int textBoxVerticalPadding = 4;
    int borderWidth = 2;
    int paddedTitleHeight;
    int paddedTitleWidth;
    int titleLeftPadding = textBoxHorizontalPadding;
    BufferedImage newLegendTitleBase;
    Graphics2D newLegendTitleBaseGraphic = null;

    try {
        // Build the Font object
        Font titleFont = new Font(layer.getName(), Font.BOLD, 14);

        // Build variables for base legend graphic construction
        try {
            newLegendTitleBase = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);
            newLegendTitleBaseGraphic = newLegendTitleBase.createGraphics();

            newLegendTitleBaseGraphic.setFont(titleFont);

            fm = newLegendTitleBaseGraphic.getFontMetrics();
            textHeight = fm.getHeight();
            textWidth = fm.stringWidth(layer.getName());

            paddedTitleWidth = textWidth + (textBoxHorizontalPadding * 2) + (borderWidth * 2);

            paddedTitleHeight = textHeight + (textBoxVerticalPadding * 2) + (borderWidth * 2);
        } finally {
            // dispose of temporary graphics context
            if (newLegendTitleBaseGraphic != null) {
                newLegendTitleBaseGraphic.dispose();
            }
        }

        titleLeftPadding = ((paddedTitleWidth / 2)
                - ((textWidth + (textBoxHorizontalPadding * 2) + (borderWidth * 2)) / 2))
                + textBoxHorizontalPadding;

        newLegendTitleBase = new BufferedImage(paddedTitleWidth, paddedTitleHeight,
                BufferedImage.TYPE_INT_ARGB);
        newLegendTitleBaseGraphic = newLegendTitleBase.createGraphics();
        newLegendTitleBaseGraphic.drawImage(newLegendTitleBase, 0, 0, null);

        newLegendTitleBaseGraphic.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION,
                RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
        newLegendTitleBaseGraphic.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                RenderingHints.VALUE_ANTIALIAS_ON);
        newLegendTitleBaseGraphic.setRenderingHint(RenderingHints.KEY_COLOR_RENDERING,
                RenderingHints.VALUE_COLOR_RENDER_QUALITY);
        newLegendTitleBaseGraphic.setRenderingHint(RenderingHints.KEY_DITHERING,
                RenderingHints.VALUE_DITHER_ENABLE);
        newLegendTitleBaseGraphic.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
                RenderingHints.VALUE_FRACTIONALMETRICS_ON);
        newLegendTitleBaseGraphic.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
                RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        newLegendTitleBaseGraphic.setRenderingHint(RenderingHints.KEY_RENDERING,
                RenderingHints.VALUE_RENDER_QUALITY);
        newLegendTitleBaseGraphic.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL,
                RenderingHints.VALUE_STROKE_PURE);
        newLegendTitleBaseGraphic.setFont(titleFont);

        // draw title text
        fm = newLegendTitleBaseGraphic.getFontMetrics();
        newLegendTitleBaseGraphic.setColor(Color.WHITE);
        newLegendTitleBaseGraphic.drawString(layer.getName(), titleLeftPadding,
                fm.getAscent() + textBoxVerticalPadding);

        newLegendTitleBaseGraphic.drawImage(newLegendTitleBase, 0, 0, null);
    } finally {
        if (newLegendTitleBaseGraphic != null) {
            newLegendTitleBaseGraphic.dispose();
        }
    }

    return newLegendTitleBase;
}

From source file:org.apache.fop.render.pcl.PCLDocumentHandler.java

private IFPainter createAllBitmapPainter() {
    double scale = gen.getMaximumBitmapResolution() / FopFactoryConfigurator.DEFAULT_TARGET_RESOLUTION;
    Rectangle printArea = this.currentPageDefinition.getLogicalPageRect();
    int bitmapWidth = (int) Math.ceil(UnitConv.mpt2px(printArea.width, gen.getMaximumBitmapResolution()));
    int bitmapHeight = (int) Math.ceil(UnitConv.mpt2px(printArea.height, gen.getMaximumBitmapResolution()));
    this.currentImage = createBufferedImage(bitmapWidth, bitmapHeight);
    Graphics2D graphics2D = this.currentImage.createGraphics();

    if (!PCLGenerator.isJAIAvailable()) {
        RenderingHints hints = new RenderingHints(null);
        //These hints don't seem to make a difference :-( Not seeing any dithering on Sun Java.
        hints.put(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
        graphics2D.addRenderingHints(hints);
    }//  www  .  java2 s. c  om

    //Ensure white page background
    graphics2D.setBackground(Color.WHITE);
    graphics2D.clearRect(0, 0, bitmapWidth, bitmapHeight);

    graphics2D.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
            RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    graphics2D.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
    graphics2D.scale(scale / 1000f, scale / 1000f);
    graphics2D.translate(-printArea.x, -printArea.y);

    return new Java2DPainter(graphics2D, getContext(), getFontInfo());
}

From source file:org.jcurl.core.swing.RockLocationDisplayBase.java

public void exportPng(File dst) throws IOException {
    final BufferedImage img = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_ARGB);
    final Graphics2D g2 = (Graphics2D) img.getGraphics();
    {//from   w w  w  . j  av  a 2  s  .c om
        final Map hints = new HashMap();
        hints.put(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
        hints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        hints.put(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY);
        hints.put(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
        hints.put(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
        hints.put(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
        hints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
        hints.put(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_NORMALIZE);
        hints.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
        g2.addRenderingHints(hints);
    }
    this.paintComponent(g2);
    g2.dispose();
    if (!dst.getName().endsWith(".png"))
        dst = new File(dst.getName() + ".png");
    ImageIO.write(img, "png", dst);
}

From source file:org.jcurl.core.swing.WCComponent.java

private BufferedImage renderPng(final String watermark) {
    final BufferedImage img = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_ARGB);
    final Graphics2D g2 = (Graphics2D) img.getGraphics();
    {//w w  w  . j  a  va 2 s .com
        final Map<Key, Object> hints = new HashMap<Key, Object>();
        hints.put(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
        hints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        hints.put(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY);
        hints.put(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
        hints.put(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
        hints.put(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
        hints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
        hints.put(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_NORMALIZE);
        hints.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
        g2.addRenderingHints(hints);
    }
    final Font f0 = g2.getFont();
    paint(g2);
    g2.setTransform(new AffineTransform());
    if (watermark != null) {
        if (log.isDebugEnabled())
            log.debug(f0);
        g2.setFont(f0);
        g2.setColor(new Color(0, 0, 0, 128));
        g2.drawString(watermark, 10, 20);
    }
    g2.dispose();
    return img;
}

From source file:org.squidy.designer.shape.VisualShape.java

@Override
protected final void paint(PPaintContext paintContext) {
    super.paint(paintContext);

    Graphics2D g = paintContext.getGraphics();

    // Set default font.
    g.setFont(internalFont);/*from  ww w .j  a v a 2 s  .c  o  m*/

    //      if (!renderingHintsSet) {
    if (isRenderPrimitive()) {
        g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
        g.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION,
                RenderingHints.VALUE_ALPHA_INTERPOLATION_SPEED);
        g.setRenderingHint(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_SPEED);
        g.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_DISABLE);
        g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_OFF);
        g.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
                RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR);
        g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_SPEED);
        g.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
        g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
    } else {
        // Use anti aliasing -> May slow down performance.
        g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION,
                RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
        g.setRenderingHint(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY);
        g.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_DEFAULT);
        g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
                RenderingHints.VALUE_FRACTIONALMETRICS_DEFAULT);
        g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
        g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
        g.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_DEFAULT);
        g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
    }
    //         renderingHintsSet = true;
    //      }

    // Paint the shapes visual representation.
    paintShape(paintContext);

    // Allows visual debugging if enabled.
    if (DebugConstants.ENABLED) {
        paintDebug(paintContext);
    }
}