Example usage for java.awt Graphics2D dispose

List of usage examples for java.awt Graphics2D dispose

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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:com.ables.pix.utility.PictureOps.java

public static BufferedImage tilt(BufferedImage image, double rotation) {
    double sin = Math.abs(Math.sin(getAngle()));
    double cos = Math.abs(Math.cos(getAngle()));
    int w = image.getWidth(), h = image.getHeight();

    int neww = (int) Math.floor(w * cos + sin * h), newh = (int) Math.floor(h * cos + sin * w);
    GraphicsConfiguration gc = getDefaultConfiguration();
    BufferedImage rotated = gc.createCompatibleImage(neww, newh);
    Graphics2D g = rotated.createGraphics();
    g.translate((neww - w) / 2, (newh - h / 2));
    g.rotate(getAngle(), w / 2, h / 2);/*from   w  w w  . j  a v  a  2 s  .c om*/
    g.drawRenderedImage(image, null);
    g.dispose();
    return rotated;
}

From source file:WeeklyReport.WeeklyPDF.java

public static void writeChartToPDF(JFreeChart chart, int width, int height, String fileName) {
    PdfWriter writer = null;//from  ww w. j a  va 2s  .  c  om
    Document document = new Document();
    try {
        writer = PdfWriter.getInstance(document, new FileOutputStream(fileName));
        document.open();
        document.add(new Paragraph("Here is the recommendation"));
        PdfContentByte contentByte = writer.getDirectContent();
        PdfTemplate template = contentByte.createTemplate(width, height);
        Graphics2D graphics2d = template.createGraphics(width, height, new DefaultFontMapper());
        Rectangle2D rectangle2d = new Rectangle2D.Double(5, -100, width, height);
        chart.draw(graphics2d, rectangle2d);
        graphics2d.dispose();
        contentByte.addTemplate(template, 0, 0);
    } catch (FileNotFoundException | DocumentException ex) {
        ex.getMessage();
    }
    document.close();
}

From source file:Main.java

public static TexturePaint createCheckerTexture(int cs, Color color) {
    int size = cs * cs;
    BufferedImage img = new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = img.createGraphics();
    g2.setPaint(color);//from  w  ww .j  a va 2  s .co  m
    g2.fillRect(0, 0, size, size);
    for (int i = 0; i * cs < size; i++) {
        for (int j = 0; j * cs < size; j++) {
            if ((i + j) % 2 == 0) {
                g2.fillRect(i * cs, j * cs, cs, cs);
            }
        }
    }
    g2.dispose();
    return new TexturePaint(img, new Rectangle(0, 0, size, size));
}

From source file:Transparency.java

public static BufferedImage makeImageTranslucent(BufferedImage source, double alpha) {
    BufferedImage target = new BufferedImage(source.getWidth(), source.getHeight(),
            java.awt.Transparency.TRANSLUCENT);
    // Get the images graphics
    Graphics2D g = target.createGraphics();
    // Set the Graphics composite to Alpha
    g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) alpha));
    // Draw the image into the prepared reciver image
    g.drawImage(source, null, 0, 0);//  w w w. j  a v a2  s  . c  o  m
    // let go of all system resources in this Graphics
    g.dispose();
    // Return the image
    return target;
}

From source file:com.vaadin.testbench.screenshot.ImageUtil.java

/**
 * Clones the given BufferedImage//from w ww . j  a v  a  2  s.com
 * 
 * @param sourceImage
 *            The image to copy
 * @return A copy of sourceImage
 */
public static BufferedImage cloneImage(BufferedImage sourceImage) {
    // This method could likely be optimized but the gain is probably
    // small
    final int w = sourceImage.getWidth();
    final int h = sourceImage.getHeight();

    BufferedImage newImage = new BufferedImage(w, h, TYPE_INT_RGB);

    Graphics2D g = (Graphics2D) newImage.getGraphics();
    g.drawImage(sourceImage, 0, 0, w, h, null);
    g.dispose();

    return newImage;
}

From source file:Utils.java

/** 
 * Renders multiple paragraphs of text in an array to an image (created and returned). 
 *
 * @param font The font to use/*from   w  w  w. j a va2  s .  c o  m*/
 * @param textColor The color of the text
 * @param text The message in an array of strings (one paragraph in each
 * @param width The width the text should be limited to
 * @return An image with the text rendered into it
 */
public static BufferedImage renderTextToImage(Font font, Color textColor, String text[], int width) {
    LinkedList<BufferedImage> images = new LinkedList<BufferedImage>();

    int totalHeight = 0;

    for (String paragraph : text) {
        BufferedImage paraImage = renderTextToImage(font, textColor, paragraph, width);
        totalHeight += paraImage.getHeight();
        images.add(paraImage);
    }

    BufferedImage image = createCompatibleImage(width, totalHeight);
    Graphics2D graphics = (Graphics2D) image.createGraphics();

    int y = 0;

    for (BufferedImage paraImage : images) {
        graphics.drawImage(paraImage, 0, y, null);
        y += paraImage.getHeight();
    }

    graphics.dispose();
    return image;
}

From source file:net.mindengine.oculus.frontend.web.controllers.project.ProjectEditController.java

private static BufferedImage resize(BufferedImage image, int width, int height) {
    BufferedImage resizedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g = resizedImage.createGraphics();
    g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);

    g.drawImage(image, 0, 0, width, height, null);
    g.dispose();
    return resizedImage;
}

From source file:su.fmi.photoshareclient.remote.ImageHandler.java

public static BufferedImage createResizedCopy(Image originalImage, int scaledWidth, int scaledHeight,
        boolean preserveAlpha) {
    int imageType = preserveAlpha ? BufferedImage.TYPE_INT_RGB : BufferedImage.TYPE_INT_ARGB;
    BufferedImage scaledBI = new BufferedImage(scaledWidth, scaledHeight, imageType);
    Graphics2D g = scaledBI.createGraphics();
    if (preserveAlpha) {
        g.setComposite(AlphaComposite.Src);
    }/*from w  w  w  .  j a v  a2  s  .c  o m*/
    g.drawImage(originalImage, 0, 0, scaledWidth, scaledHeight, null);
    g.dispose();
    return scaledBI;
}

From source file:at.granul.mason.collector.ChartFileScalarDataWriter.java

public static void exportGraph(XYChartGenerator chart, String prefix, int width, int height) {
    try {//from   ww w .  j  a  va2 s .  com
        Document document = new Document(new com.lowagie.text.Rectangle(width, height));

        PdfWriter writer = PdfWriter.getInstance(document,
                new FileOutputStream(new File(prefix + "_" + DataWriter.DF.format(new Date()) + ".pdf")));

        document.addAuthor("MASON");
        document.open();
        PdfContentByte cb = writer.getDirectContent();
        //PdfTemplate tp = cb.createTemplate(width, height);

        //Write the chart with all datasets
        chart.addLegend();
        /*LegendTitle title = new LegendTitle(chart.getChart().getPlot());
        title.setLegendItemGraphicPadding(new org.jfree.ui.RectangleInsets(0,8,0,4));
        chart.addLegend(title);*/
        LegendTitle legendTitle = chart.getChart().getLegend();
        legendTitle.setPosition(RectangleEdge.BOTTOM);

        Graphics2D g2 = cb.createGraphics(width, height, new DefaultFontMapper());
        Rectangle2D rectangle2D = new Rectangle2D.Double(0, 0, width, height);
        chart.getChart().draw(g2, rectangle2D);
        g2.dispose();

        //PNG Output
        ChartUtilities.saveChartAsJPEG(new File(prefix + "_" + DataWriter.DF.format(new Date()) + ".png"),
                chart.getChart(), width, height);

        chart.getChart().removeLegend();
        //tp = cb.createTemplate(width, height);

        //All invisible
        final XYItemRenderer renderer = chart.getChartPanel().getChart().getXYPlot().getRenderer();
        for (int a = 0; a < chart.getSeriesCount(); a++) {
            renderer.setSeriesVisible(a, false);
        }

        final Dataset seriesDataset = chart.getSeriesDataset();
        XYSeriesCollection series = ((XYSeriesCollection) seriesDataset);
        for (int a = 0; a < chart.getSeriesCount(); a++) {
            renderer.setSeriesVisible(a, true);
            final String seriesName = series.getSeries(a).getKey() + "";
            chart.setYAxisLabel(seriesName);
            document.newPage();
            g2 = cb.createGraphics(width, height * (a + 2), new DefaultFontMapper());
            g2.translate(0, height * (a + 1));
            chart.getChart().draw(g2, rectangle2D);
            g2.dispose();

            //PNG Output
            ChartUtilities.saveChartAsJPEG(
                    new File(prefix + "_" + seriesName + DataWriter.DF.format(new Date()) + ".png"),
                    chart.getChart(), width, height);

            renderer.setSeriesVisible(a, false);
        }
        //cb.addTemplate(tp, 0, 0);

        document.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:com.unicornlabs.kabouter.reporting.PowerReport.java

public static void GeneratePowerReport(Date startDate, Date endDate) {
    try {//from   www  . ja  v  a 2  s.  c o m
        Historian theHistorian = (Historian) BusinessObjectManager.getBusinessObject(Historian.class.getName());
        ArrayList<String> powerLogDeviceIds = theHistorian.getPowerLogDeviceIds();

        Document document = new Document(PageSize.A4, 50, 50, 50, 50);

        File outputFile = new File("PowerReport.pdf");
        outputFile.createNewFile();

        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(outputFile));
        document.open();

        document.add(new Paragraph("Power Report for " + startDate.toString() + " to " + endDate.toString()));

        document.newPage();

        DecimalFormat df = new DecimalFormat("#.###");

        for (String deviceId : powerLogDeviceIds) {
            ArrayList<Powerlog> powerlogs = theHistorian.getPowerlogs(deviceId, startDate, endDate);
            double total = 0;
            double max = 0;
            Date maxTime = startDate;
            double average = 0;
            XYSeries series = new XYSeries(deviceId);
            XYDataset dataset = new XYSeriesCollection(series);

            for (Powerlog log : powerlogs) {
                total += log.getPower();
                if (log.getPower() > max) {
                    max = log.getPower();
                    maxTime = log.getId().getLogtime();
                }
                series.add(log.getId().getLogtime().getTime(), log.getPower());
            }

            average = total / powerlogs.size();

            document.add(new Paragraph("\nDevice: " + deviceId));
            document.add(new Paragraph("Average Power Usage: " + df.format(average)));
            document.add(new Paragraph("Maximum Power Usage: " + df.format(max) + " at " + maxTime.toString()));
            document.add(new Paragraph("Total Power Usage: " + df.format(total)));
            //Create a custom date axis to display dates on the X axis
            DateAxis dateAxis = new DateAxis("Date");
            //Make the labels vertical
            dateAxis.setVerticalTickLabels(true);

            //Create the power axis
            NumberAxis powerAxis = new NumberAxis("Power");

            //Set both axes to auto range for their values
            powerAxis.setAutoRange(true);
            dateAxis.setAutoRange(true);

            //Create the tooltip generator
            StandardXYToolTipGenerator ttg = new StandardXYToolTipGenerator("{0}: {2}",
                    new SimpleDateFormat("yyyy/MM/dd HH:mm"), NumberFormat.getInstance());

            //Set the renderer
            StandardXYItemRenderer renderer = new StandardXYItemRenderer(StandardXYItemRenderer.LINES, ttg,
                    null);

            //Create the plot
            XYPlot plot = new XYPlot(dataset, dateAxis, powerAxis, renderer);

            //Create the chart
            JFreeChart myChart = new JFreeChart(deviceId, JFreeChart.DEFAULT_TITLE_FONT, plot, true);

            PdfContentByte pcb = writer.getDirectContent();
            PdfTemplate tp = pcb.createTemplate(480, 360);
            Graphics2D g2d = tp.createGraphics(480, 360, new DefaultFontMapper());
            Rectangle2D r2d = new Rectangle2D.Double(0, 0, 480, 360);
            myChart.draw(g2d, r2d);
            g2d.dispose();
            pcb.addTemplate(tp, 0, 0);

            document.newPage();
        }

        document.close();

        JOptionPane.showMessageDialog(null, "Report Generated.");

        Desktop.getDesktop().open(outputFile);
    } catch (FileNotFoundException fnfe) {
        JOptionPane.showMessageDialog(null,
                "Unable To Open File For Writing, Make Sure It Is Not Currently Open");
    } catch (IOException ex) {
        Logger.getLogger(PowerReport.class.getName()).log(Level.SEVERE, null, ex);
    } catch (DocumentException ex) {
        Logger.getLogger(PowerReport.class.getName()).log(Level.SEVERE, null, ex);
    }
}