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:eu.novait.imagerenamer.model.ImageFile.java

private void createThumbnail() {
    try {/* www  .j  a  v  a2  s .  com*/
        BufferedImage tmp = ImageIO.read(this.filepath);
        int tmpW = tmp.getWidth();
        int tmpH = tmp.getHeight();
        double ratio = (double) tmpW / (double) tmpH;
        int w = 400;
        int h = (int) Math.round(w / ratio);
        BufferedImage bi = getCompatibleImage(w, h);
        Graphics2D g2d = bi.createGraphics();
        double xScale = (double) w / tmp.getWidth();
        double yScale = (double) h / tmp.getHeight();
        AffineTransform at = AffineTransform.getScaleInstance(xScale, yScale);
        g2d.drawRenderedImage(tmp, at);
        g2d.dispose();
        this.setThumbnail(bi);
    } catch (IOException ex) {
        Logger.getLogger(ImageFile.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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From source file:BufferedImageThread.java

public void paintComponent(Graphics g) {
    super.paintComponent(g);
    Dimension d = getSize();/*w w w  .  j a  va 2 s  .  c  o  m*/

    bi = new BufferedImage(d.width, d.height, BufferedImage.TYPE_INT_ARGB);
    Graphics2D big = bi.createGraphics();

    step(d.width, d.height);

    AffineTransform at = new AffineTransform();
    at.setToIdentity();
    at.translate(x, y);
    at.rotate(Math.toRadians(rotate));
    at.scale(scale, scale);
    big.drawImage(image, at, this);

    Graphics2D g2D = (Graphics2D) g;
    g2D.drawImage(bi, 0, 0, null);

    big.dispose();
}

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From source file:org.imos.abos.plot.JfreeChartDemo.java

protected void createPDF(String filename) {
    try {/* w w  w  .ja v a 2  s . co  m*/
        Rectangle page = PageSize.A4.rotate();

        // step 1
        Document document = new Document(page);
        // step 2
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(filename));
        // step 3
        document.open();
        // step 4
        PdfContentByte cb = writer.getDirectContent();
        float width = page.getWidth();
        float height = page.getHeight();
        // add chart
        PdfTemplate pie = cb.createTemplate(width, height);
        Graphics2D g2d1 = new PdfGraphics2D(pie, width, height);
        Rectangle2D r2d1 = new Rectangle2D.Double(0, 0, width, height);
        chart.draw(g2d1, r2d1);
        g2d1.dispose();
        cb.addTemplate(pie, 0, 0);
        // step 5
        document.close();
    } catch (DocumentException ex) {
        Logger.getLogger(JfreeChartDemo.class.getName()).log(Level.SEVERE, null, ex);
    } catch (FileNotFoundException ex) {
        Logger.getLogger(JfreeChartDemo.class.getName()).log(Level.SEVERE, null, ex);
    }

    System.out.println("PDF finsihed");
}

---

From source file:de.jwic.ecolib.controls.chart.ChartControl.java

public void renderImage() throws IOException {
    // create image to draw into
    BufferedImage bi = new BufferedImage(width < 10 ? 10 : width, height < 10 ? 10 : height,
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = bi.createGraphics();

    if (chart != null) {
        chart.setBackgroundPaint(Color.WHITE);
        chart.draw(g2d, new Rectangle2D.Double(0, 0, width < 10 ? 10 : width, height < 10 ? 10 : height));
    } else {/*www .ja  v  a2s  . co  m*/
        g2d.setColor(Color.BLACK);
        g2d.drawString("No chart has been assigned.", 1, 20);
    }
    // finish drawing
    g2d.dispose();

    // write image data into output stream
    ByteArrayOutputStream out = getImageOutputStream();
    out.reset();
    // create a PNG image
    ImageWriter imageWriter = new PNGImageWriter(null);
    ImageWriteParam param = imageWriter.getDefaultWriteParam();
    imageWriter.setOutput(new MemoryCacheImageOutputStream(out));
    imageWriter.write(null, new IIOImage(bi, null, null), param);
    imageWriter.dispose();

    setMimeType(MIME_TYPE_PNG);
}

---

From source file:org.gumtree.vis.mask.ChartTransferableWithMask.java

@Override
public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
    BufferedImage image;/*from  ww w. j  av  a2  s.  c  o m*/
    if (this.imageFlavor.equals(flavor)) {
        image = chart.createBufferedImage(width, height);
    } else {
        throw new UnsupportedFlavorException(flavor);
    }
    Graphics2D g2 = image.createGraphics();
    drawMasksInDataArea(g2, dataArea != null ? dataArea : new Rectangle2D.Double(0, 0, width, height), masks,
            chart);
    ChartMaskingUtilities.drawShapes(g2, dataArea, shapeMap, chart);
    ChartMaskingUtilities.drawText(g2, dataArea, textContentMap, chart);
    g2.dispose();
    return image;
}

---

From source file:org.lmn.fc.common.datatranslators.DataExporter.java

/***********************************************************************************************
 * exportComponent()./*from  w  w w .  j  a  va 2 s  .  co m*/
 *
 * @param exportable
 * @param filename
 * @param timestamp
 * @param type
 * @param width
 * @param height
 * @param log
 * @param clock
 *
 * @return boolean
 */

public static boolean exportComponent(final ExportableComponentInterface exportable, final String filename,
        final boolean timestamp, final String type, final int width, final int height, final Vector<Vector> log,
        final ObservatoryClockInterface clock) {
    final String SOURCE = "DataExporter.exportComponent()";
    boolean boolSuccess;

    //        String[] arrayNames = ImageIO.getWriterFormatNames();
    //
    //        for (int i = 0;
    //             i < arrayNames.length;
    //             i++)
    //            {
    //            String arrayName = arrayNames[i];
    //            System.out.println("DataExporter.exportComponent() FORMAT NAME=" + arrayName);
    //            }
    //
    boolSuccess = false;

    if ((exportable != null) && (filename != null) && (!EMPTY_STRING.equals(filename)) && (type != null)
            && (!EMPTY_STRING.equals(type)) && (log != null) && (clock != null)
            && (Arrays.asList(ImageIO.getWriterFormatNames()).contains(type))) {
        try {
            final File file;
            final int intRealWidth;
            final int intRealHeight;

            file = new File(FileUtilities.buildFullFilename(filename, timestamp, type));
            FileUtilities.overwriteFile(file);

            intRealWidth = width;
            intRealHeight = height;

            // Support all current formats
            if ((FileUtilities.png.equalsIgnoreCase(type)) || (FileUtilities.jpg.equalsIgnoreCase(type))
                    || (FileUtilities.gif.equalsIgnoreCase(type))) {
                BufferedImage buffer;
                final Graphics2D graphics2D;

                LOGGER.debugTimedEvent(LOADER_PROPERTIES.isTimingDebug(),
                        "DataExporter.exportComponent() writing [file " + file.getAbsolutePath() + "] [width="
                                + intRealWidth + "] [height=" + intRealHeight + "]");

                buffer = new BufferedImage(intRealWidth, intRealHeight, BufferedImage.TYPE_INT_RGB);

                // Create a graphics context on the buffered image
                graphics2D = buffer.createGraphics();

                // Draw on the image
                graphics2D.clearRect(0, 0, intRealWidth, intRealHeight);
                exportable.paintForExport(graphics2D, intRealWidth, intRealHeight);

                // Export the image
                ImageIO.write(buffer, type, file);
                graphics2D.dispose();
                boolSuccess = true;

                SimpleEventLogUIComponent
                        .logEvent(
                                log, EventStatus.INFO, METADATA_TARGET_COMPONENT + METADATA_ACTION_EXPORT
                                        + METADATA_FILENAME + file.getAbsolutePath() + TERMINATOR,
                                SOURCE, clock);
                // Help the GC?
                buffer = null;

                ObservatoryInstrumentHelper.runGarbageCollector();
            } else {
                SimpleEventLogUIComponent.logEvent(log, EventStatus.FATAL, METADATA_TARGET_COMPONENT
                        + METADATA_ACTION_EXPORT + METADATA_RESULT + ERROR_INVALID_FORMAT + TERMINATOR, SOURCE,
                        clock);
            }
        }

        catch (IllegalArgumentException exception) {
            SimpleEventLogUIComponent.logEvent(log, EventStatus.FATAL,
                    METADATA_TARGET_COMPONENT + METADATA_ACTION_EXPORT + METADATA_RESULT
                            + EXCEPTION_PARAMETER_INVALID + TERMINATOR + SPACE + METADATA_EXCEPTION
                            + exception.getMessage() + TERMINATOR,
                    SOURCE, clock);
        }

        catch (SecurityException exception) {
            SimpleEventLogUIComponent.logEvent(log, EventStatus.FATAL,
                    METADATA_TARGET_COMPONENT + METADATA_ACTION_EXPORT + METADATA_RESULT + ERROR_ACCESS_DENIED
                            + TERMINATOR + SPACE + METADATA_EXCEPTION + exception.getMessage() + TERMINATOR,
                    SOURCE, clock);
        }

        catch (FileNotFoundException exception) {
            SimpleEventLogUIComponent.logEvent(log, EventStatus.FATAL,
                    METADATA_TARGET_COMPONENT + METADATA_ACTION_EXPORT + METADATA_RESULT + ERROR_FILE_NOT_FOUND
                            + TERMINATOR + SPACE + METADATA_EXCEPTION + exception.getMessage() + TERMINATOR,
                    SOURCE, clock);
        }

        catch (IOException exception) {
            SimpleEventLogUIComponent.logEvent(log, EventStatus.FATAL,
                    METADATA_TARGET_COMPONENT + METADATA_ACTION_EXPORT + METADATA_RESULT + ERROR_FILE_SAVE
                            + TERMINATOR + SPACE + METADATA_EXCEPTION + exception.getMessage() + TERMINATOR,
                    SOURCE, clock);
        }
    } else {
        SimpleEventLogUIComponent.logEvent(log, EventStatus.FATAL, METADATA_TARGET_COMPONENT
                + METADATA_ACTION_EXPORT + METADATA_RESULT + ERROR_COMPONENT + TERMINATOR, SOURCE, clock);
    }

    return (boolSuccess);
}

---

From source file:org.jivesoftware.openfire.reporting.graph.GraphServlet.java

private void writePDFContent(HttpServletRequest request, HttpServletResponse response, JFreeChart charts[],
        Statistic[] stats, long starttime, long endtime, int width, int height) throws IOException {

    try {/*from w  w w.ja va 2s . c o m*/
        Document document = new Document(PageSize.A4, 50, 50, 50, 50);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        PdfWriter writer = PdfWriter.getInstance(document, baos);
        writer.setPageEvent(new PDFEventListener(request));
        document.open();

        int index = 0;
        int chapIndex = 0;
        for (Statistic stat : stats) {

            String serverName = XMPPServer.getInstance().getServerInfo().getXMPPDomain();
            String dateName = JiveGlobals.formatDate(new Date(starttime)) + " - "
                    + JiveGlobals.formatDate(new Date(endtime));
            Paragraph paragraph = new Paragraph(serverName,
                    FontFactory.getFont(FontFactory.HELVETICA, 18, Font.BOLD));
            document.add(paragraph);
            paragraph = new Paragraph(dateName, FontFactory.getFont(FontFactory.HELVETICA, 14, Font.PLAIN));
            document.add(paragraph);
            document.add(Chunk.NEWLINE);
            document.add(Chunk.NEWLINE);

            Paragraph chapterTitle = new Paragraph(++chapIndex + ". " + stat.getName(),
                    FontFactory.getFont(FontFactory.HELVETICA, 16, Font.BOLD));

            document.add(chapterTitle);
            // total hack: no idea what tags people are going to use in the description
            // possibly recommend that we only use a <p> tag?
            String[] paragraphs = stat.getDescription().split("<p>");
            for (String s : paragraphs) {
                Paragraph p = new Paragraph(s);
                document.add(p);
            }
            document.add(Chunk.NEWLINE);

            PdfContentByte contentByte = writer.getDirectContent();
            PdfTemplate template = contentByte.createTemplate(width, height);
            Graphics2D graphs2D = template.createGraphics(width, height, new DefaultFontMapper());
            Rectangle2D rectangle2D = new Rectangle2D.Double(0, 0, width, height);
            charts[index++].draw(graphs2D, rectangle2D);
            graphs2D.dispose();
            float x = (document.getPageSize().width() / 2) - (width / 2);
            contentByte.addTemplate(template, x, writer.getVerticalPosition(true) - height);
            document.newPage();
        }

        document.close();

        // setting some response headers
        response.setHeader("Expires", "0");
        response.setHeader("Cache-Control", "must-revalidate, post-check=0, pre-check=0");
        response.setHeader("Pragma", "public");
        // setting the content type
        response.setContentType("application/pdf");
        // the contentlength is needed for MSIE!!!
        response.setContentLength(baos.size());
        // write ByteArrayOutputStream to the ServletOutputStream
        ServletOutputStream out = response.getOutputStream();
        baos.writeTo(out);
        out.flush();
    } catch (DocumentException e) {
        Log.error("error creating PDF document: " + e.getMessage());

    }
}

---

From source file:embedding.ExampleJava2D2PDF.java

/**
 * Creates a PDF file. The contents are painted using a Graphics2D implementation that
 * generates an PDF file.//w  w  w.  j a v a  2  s  .c o m
 * @param outputFile the target file
 * @throws IOException In case of an I/O error
 * @throws ConfigurationException if an error occurs configuring the PDF output
 */
public void generatePDF(File outputFile) throws IOException, ConfigurationException {
    OutputStream out = new java.io.FileOutputStream(outputFile);
    out = new java.io.BufferedOutputStream(out);
    try {

        //Instantiate the PDFDocumentGraphics2D instance
        PDFDocumentGraphics2D g2d = new PDFDocumentGraphics2D(false);
        g2d.setGraphicContext(new org.apache.xmlgraphics.java2d.GraphicContext());

        //Configure the G2D with the necessary fonts
        configure(g2d, createAutoFontsConfiguration());

        //Set up the document size
        Dimension pageSize = new Dimension((int) Math.ceil(UnitConv.mm2pt(210)),
                (int) Math.ceil(UnitConv.mm2pt(297))); //page size A4 (in pt)
        g2d.setupDocument(out, pageSize.width, pageSize.height);
        g2d.translate(144, 72); //Establish some page borders

        //A few rectangles rotated and with different color
        Graphics2D copy = (Graphics2D) g2d.create();
        int c = 12;
        for (int i = 0; i < c; i++) {
            float f = ((i + 1) / (float) c);
            Color col = new Color(0.0f, 1 - f, 0.0f);
            copy.setColor(col);
            copy.fillRect(70, 90, 50, 50);
            copy.rotate(-2 * Math.PI / c, 70, 90);
        }
        copy.dispose();

        //Some text
        g2d.rotate(-0.25);
        g2d.setColor(Color.RED);
        g2d.setFont(new Font("sans-serif", Font.PLAIN, 36));
        g2d.drawString("Hello world!", 140, 140);
        g2d.setColor(Color.RED.darker());
        g2d.setFont(new Font("serif", Font.PLAIN, 36));
        g2d.drawString("Hello world!", 140, 180);

        pageSize = new Dimension(pageSize.height, pageSize.width);
        g2d.nextPage(pageSize.width, pageSize.height);

        //Demonstrate painting rich text
        String someHTML = "<html><body style=\"font-family:Verdana\">" + "<p>Welcome to <b>page 2!</b></p>"
                + "<h2>PDFDocumentGraphics2D Demonstration</h2>"
                + "<p>We can <i>easily</i> paint some HTML here!</p>" + "<p style=\"color:green;\">"
                + "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Proin accumsan"
                + " condimentum ullamcorper. Sed varius quam id arcu fermentum luctus. Praesent"
                + " nisi ligula, cursus sed vestibulum vel, sodales sed lectus.</p>" + "</body></html>";
        JEditorPane htmlComp = new JEditorPane();
        htmlComp.setContentType("text/html");
        htmlComp.read(new StringReader(someHTML), null);
        htmlComp.setSize(new Dimension(pageSize.width - 72, pageSize.height - 72));
        //htmlComp.setBackground(Color.ORANGE);
        htmlComp.validate();
        htmlComp.printAll(g2d);

        //Cleanup
        g2d.finish();
    } finally {
        IOUtils.closeQuietly(out);
    }
}

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From source file:info.magnolia.cms.taglibs.util.TextToImageTag.java

/**
 * Create an image file that is a scaled version of the original image
 * @param the original BufferedImage/*from  w  ww .j a v  a  2  s  .  c  om*/
 * @param the scale factor
 * @return the new BufferedImage
 */
private BufferedImage scaleImage(BufferedImage oriImgBuff, double scaleFactor) {

    // get the dimesnions of the original image
    int oriWidth = oriImgBuff.getWidth();
    int oriHeight = oriImgBuff.getHeight();
    // get the width and height of the new image
    int newWidth = new Double(oriWidth * scaleFactor).intValue();
    int newHeight = new Double(oriHeight * scaleFactor).intValue();
    // create the thumbnail as a buffered image
    Image newImg = oriImgBuff.getScaledInstance(newWidth, newHeight, Image.SCALE_AREA_AVERAGING);
    BufferedImage newImgBuff = new BufferedImage(newImg.getWidth(null), newImg.getHeight(null),
            BufferedImage.TYPE_INT_RGB);
    Graphics2D g = newImgBuff.createGraphics();
    g.drawImage(newImg, 0, 0, null);
    g.dispose();
    // return the newImgBuff
    return newImgBuff;
}

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From source file:it.smartcommunitylab.parking.management.web.manager.MarkerIconStorage.java

private void generateMarkerWithFlag(String basePath, String company, String entity, String color)
        throws IOException {
    BufferedImage templateIcon = ImageIO.read(new File(getIconFolder(basePath, ICON_FOLDER) + TEMPLATE_FILE));
    BufferedImage icon = new BufferedImage(templateIcon.getWidth(), templateIcon.getHeight() + ICON_INCR_HEIGHT,
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D graphics = icon.createGraphics();
    graphics.setColor(new Color(Integer.parseInt(color, 16)));
    graphics.drawRect(0, 0, icon.getWidth(), COLOR_RECT_HEIGHT);
    graphics.fillRect(0, 0, icon.getWidth(), COLOR_RECT_HEIGHT);
    graphics.drawImage(templateIcon, 0, ICON_INCR_HEIGHT, null);
    graphics.dispose();
    ImageIO.write(icon, ICON_TYPE, new File(getIconFolder(basePath, ICON_FOLDER_CACHE) + company + "-" + entity
            + "-" + color + ICON_EXTENSION));
}

---

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