Example usage for java.awt Graphics2D dispose

Introduction

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

Prototype

public abstract void dispose();

Source Link

Document

Disposes of this graphics context and releases any system resources that it is using.

Usage

From source file:edu.cudenver.bios.chartsvc.representation.LegendImageRepresentation.java

/**
 * Called internally by Restlet library to write the image as the HTTP
 * response.//from  w  w w.  ja v  a  2  s.  c  o m
 * @param out output stream
 */
@Override
public void write(OutputStream out) throws IOException {
    // build the legend from the plot, and write it to a jpeg image
    if (plot != null) {
        LegendTitle legend = new LegendTitle(plot, new ColumnArrangement(), new ColumnArrangement());
        legend.setFrame(BlockBorder.NONE);
        //legend.setMargin(new RectangleInsets(2.0, 2.0, 2.0, 2.0));
        legend.setBackgroundPaint(Color.white);
        legend.setPosition(RectangleEdge.BOTTOM);
        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        Graphics2D g = image.createGraphics();
        Rectangle2D.Double legendArea = new Rectangle2D.Double(0, 0, width, height);
        g.clip(legendArea);
        legend.arrange(g, new RectangleConstraint(width, height));
        legend.draw(g, legendArea);
        g.dispose();
        EncoderUtil.writeBufferedImage(image, ImageFormat.JPEG, out);
    }
}

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From source file:domainhealth.frontend.graphics.JFreeChartGraphImpl.java

/**
 * Check to see if current graph has empty chart lines (ie. no data-series
 * in any lines), and if so, write the text 'NO DATA' in large letters 
 * across the front of the graph//from   w  w  w .j  a va  2 s . com
 * 
 * @param graphImage The current image representation of the generated graph
 */
@SuppressWarnings("unchecked")
private void addNoDataLogoIfEmpty(BufferedImage graphImage) {
    int maxStatCount = 0;
    List<XYSeries> seriesList = xySeriesCollection.getSeries();

    for (XYSeries series : seriesList) {
        maxStatCount = Math.max(maxStatCount, series.getItemCount());
    }

    if (maxStatCount <= 0) {
        Graphics2D graphics2D = get2DGraphics(graphImage);
        graphics2D.setFont(new Font(GRAPH_TEXT_FONT, Font.PLAIN, 36));
        graphics2D.drawString(NO_DATA_TEXT, 200, 210);
        graphics2D.dispose();
    } else if (maxStatCount <= 1) {
        Graphics2D graphics2D = get2DGraphics(graphImage);
        graphics2D.setFont(new Font(GRAPH_TEXT_FONT, Font.PLAIN, 22));
        graphics2D.drawString(WAITING_FOR_DATA_TEXT_LN1, 152, 205);
        graphics2D.dispose();
        graphics2D = get2DGraphics(graphImage);
        graphics2D.setFont(new Font(GRAPH_TEXT_FONT, Font.PLAIN, 15));
        graphics2D.drawString(WAITING_FOR_DATA_TEXT_LN2, 81, 225);
        graphics2D.dispose();
    }
}

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From source file:org.pentaho.plugin.jfreereport.reportcharts.JFreeChartReportDrawable.java

public void draw(final Graphics2D graphics2D, final Rectangle2D bounds) {
    this.bounds = (Rectangle2D) bounds.clone();
    if (chartRenderingInfo != null) {
        this.chartRenderingInfo.clear();
    }/*  w ww . j a va2 s.  c om*/
    final Graphics2D g2 = (Graphics2D) graphics2D.create();
    this.chart.draw(g2, bounds, chartRenderingInfo);
    g2.dispose();

    if (chartRenderingInfo == null || debugRendering == false) {
        return;
    }

    graphics2D.setColor(Color.RED);
    final Rectangle2D dataArea = getDataAreaOffset();
    final EntityCollection entityCollection = chartRenderingInfo.getEntityCollection();
    for (int i = 0; i < entityCollection.getEntityCount(); i++) {
        final ChartEntity chartEntity = entityCollection.getEntity(i);
        if (chartEntity instanceof XYItemEntity || chartEntity instanceof CategoryItemEntity
                || chartEntity instanceof PieSectionEntity) {
            final Area a = new Area(chartEntity.getArea());
            if (buggyDrawArea) {
                a.transform(AffineTransform.getTranslateInstance(dataArea.getX(), dataArea.getY()));
            }
            a.intersect(new Area(dataArea));
            graphics2D.draw(a);
        } else {
            graphics2D.draw(chartEntity.getArea());
        }
    }
}

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From source file:WeeklyReport.Sections.Declines.java

public Image declinesByReasonImage(PdfWriter writer) throws BadElementException {
    JFreeChart chart = declinesByReasonChart();
    PdfContentByte contentByte = writer.getDirectContent();
    PdfTemplate template = contentByte.createTemplate(600f, 400f);
    Graphics2D graphics2d = template.createGraphics(600f, 400f, new DefaultFontMapper());
    Rectangle2D rectangle2d = new Rectangle2D.Float(10f, 0, 500f, 400f);
    chart.draw(graphics2d, rectangle2d);
    graphics2d.dispose();

    Image chartImage = Image.getInstance(template);
    return chartImage;
}

---

From source file:WeeklyReport.Sections.Declines.java

public Image declinesByCommodityImage(PdfWriter writer) throws BadElementException {
    JFreeChart chart = new Declines().declinesByCommodityClassChart();
    PdfContentByte contentByte = writer.getDirectContent();
    PdfTemplate template = contentByte.createAppearance(600f, 400f);
    Graphics2D graphics2d = template.createGraphics(600f, 400f, new DefaultFontMapper());
    Rectangle2D rectangle2d = new Rectangle2D.Float(10f, 0, 500f, 400f);
    chart.draw(graphics2d, rectangle2d);
    graphics2d.dispose();

    Image chartImage = Image.getInstance(template);
    return chartImage;
}

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From source file:de.romankreisel.faktotum.beans.BundesbruderBean.java

public void rotateProfilePictureClockwise(BundesbruderEntity bundesbruder, double angle) throws IOException {
    BufferedImage image = this.getImageFromByteArray(bundesbruder.getPictureOriginal());
    double sin = Math.abs(Math.sin(angle)), cos = Math.abs(Math.cos(angle));
    int w = image.getWidth(), h = image.getHeight();
    int neww = (int) Math.floor(w * cos + h * sin), newh = (int) Math.floor(h * cos + w * sin);
    GraphicsConfiguration gc = image.createGraphics().getDeviceConfiguration();
    BufferedImage result = gc.createCompatibleImage(neww, newh, Transparency.TRANSLUCENT);
    Graphics2D g = result.createGraphics();
    g.translate((neww - w) / 2, (newh - h) / 2);
    g.rotate(angle, w / 2, h / 2);/*from w w  w . j a va  2 s.  c o  m*/
    g.drawRenderedImage(image, null);
    g.dispose();
    this.setProfilePicture(bundesbruder, this.storeImageToByteArray(image));
}

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From source file:msi.gama.outputs.layers.charts.ChartJFreeChartOutput.java

@Override
public BufferedImage getImage(final int sizeX, final int sizeY, final boolean antiAlias) {
    if (!ready) {
        return cache;
    }//from www .  ja v a  2 s  .c o  m
    if (antiAlias != oldAntiAlias) {
        oldAntiAlias = antiAlias;
        getJFChart().setAntiAlias(antiAlias);
        getJFChart().setTextAntiAlias(antiAlias);
    }
    final Graphics2D g2D = getGraphics(sizeX, sizeY);
    chart.draw(g2D, r, info);
    g2D.dispose();
    return cache;

}

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From source file:weka.core.ChartUtils.java

/**
 * Render a combined histogram and box plot chart from summary data
 * //from w w w.  j  a v  a  2s.  c  o m
 * @param width the width of the resulting image
 * @param height the height of the resulting image
 * @param bins the values for the chart
 * @param freqs the corresponding frequencies
 * @param summary the summary stats for the box plot
 * @param outliers an optional list of outliers for the box plot
 * @param additionalArgs optional arguments to the renderer (may be null)
 * @return a buffered image
 * @throws Exception if a problem occurs
 */
public static BufferedImage renderCombinedBoxPlotAndHistogramFromSummaryData(int width, int height,
        List<String> bins, List<Double> freqs, List<Double> summary, List<Double> outliers,
        List<String> additionalArgs) throws Exception {

    String plotTitle = "Combined Chart";
    String userTitle = getOption(additionalArgs, "-title");
    plotTitle = (userTitle != null) ? userTitle : plotTitle;

    List<String> opts = new ArrayList<String>();
    opts.add("-title=histogram");
    BufferedImage hist = renderHistogramFromSummaryData(width / 2, height, bins, freqs, opts);
    opts.clear();
    opts.add("-title=box plot");
    BufferedImage box = null;
    try {
        box = renderBoxPlotFromSummaryData(width / 2, height, summary, outliers, opts);
    } catch (Exception ex) {
        // if we can't generate the box plot (i.e. probably because
        // data is 100% missing) then just return the histogram
    }

    if (box == null) {
        width /= 2;
    }
    BufferedImage img = new BufferedImage(width, height + 20, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = img.createGraphics();
    g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_GASP);
    g2d.setFont(new Font("SansSerif", Font.BOLD, 12));
    g2d.setColor(Color.lightGray);
    g2d.fillRect(0, 0, width, height + 20);
    g2d.setColor(Color.black);
    FontMetrics fm = g2d.getFontMetrics();
    int fh = fm.getHeight();
    int sw = fm.stringWidth(plotTitle);

    if (box != null) {
        g2d.drawImage(box, 0, 20, null);
        g2d.drawImage(hist, width / 2 + 1, 20, null);
    } else {
        g2d.drawImage(hist, 0, 20, null);
    }
    g2d.drawString(plotTitle, width / 2 - sw / 2, fh + 2);
    g2d.dispose();

    return img;
}

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From source file:D20140128.ApacheXMLGraphicsTest.TilingPatternExample.java

/**
 * Default constructor./*from   ww  w  .  j a va 2  s.c om*/
 */
public TilingPatternExample() {
    //Created TexturePaint instance
    this.tile = new BufferedImage(40, 20, BufferedImage.TYPE_INT_RGB);
    Graphics2D tileg2d = tile.createGraphics();
    tileg2d.setBackground(Color.WHITE);
    tileg2d.clearRect(0, 0, tile.getWidth(), tile.getHeight());
    tileg2d.setColor(Color.BLUE);
    tileg2d.fillOval(2, 2, tile.getWidth() - 2, tile.getHeight() - 2);
    tileg2d.dispose();
    Rectangle2D rect = new Rectangle2D.Double(2, 2, tile.getWidth() / 2.0, tile.getHeight() / 2.0);
    this.paint = new TexturePaint(tile, rect);
}

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From source file:ScreenCapture.java

public boolean crop() {
    if (startPoint.equals(endPoint))
        return true;

    boolean succeeded = true;

    int x1 = (startPoint.x < endPoint.x) ? startPoint.x : endPoint.x;
    int y1 = (startPoint.y < endPoint.y) ? startPoint.y : endPoint.y;

    int x2 = (startPoint.x > endPoint.x) ? startPoint.x : endPoint.x;
    int y2 = (startPoint.y > endPoint.y) ? startPoint.y : endPoint.y;

    int width = (x2 - x1) + 1;
    int height = (y2 - y1) + 1;

    BufferedImage biCrop = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2d = biCrop.createGraphics();
    BufferedImage bi = (BufferedImage) image;
    BufferedImage bi2 = bi.getSubimage(x1, y1, width, height);
    g2d.drawImage(bi2, null, 0, 0);//from   w w w.j  a v  a 2 s. co m

    g2d.dispose();

    if (succeeded)
        setImage(biCrop);
    else {
        startPoint.x = endPoint.x;
        startPoint.y = endPoint.y;
        repaint();
    }

    return succeeded;
}

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