Example usage for java.awt.image BufferedImage getGraphics

Introduction

In this page you can find the example usage for java.awt.image BufferedImage getGraphics.

Prototype

public java.awt.Graphics getGraphics() 

Source Link

Document

This method returns a Graphics2D , but is here for backwards compatibility.

Usage

From source file:org.mskcc.cbio.portal.util.MakeOncoPrint.java

private static FontMetrics getFontMetrics() {

    // this font/size corresponds to .oncoprint td specified in global_portal.css
    BufferedImage image = new BufferedImage(HEADER_CANVAS_WIDTH_PIXELS, HEADER_CANVAS_WIDTH_PIXELS,
            BufferedImage.TYPE_INT_RGB);
    Font portalFont = new Font("verdana", Font.PLAIN, 12);

    // outta here
    return image.getGraphics().getFontMetrics(portalFont);
}

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

/**
 * Gets handle on the 2D graphics image object for the graph ready to 
 * change (eg. add text to)./*from   w  w  w  .  ja va  2 s . c o  m*/
 * 
 * @param graphImage The current graph image
 * @return The 2D object handle
 */
private Graphics2D get2DGraphics(BufferedImage graphImage) {
    Graphics2D graphics2D = (Graphics2D) graphImage.getGraphics();
    graphics2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    graphics2D.setColor(Color.BLACK);
    return graphics2D;
}

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From source file:net.sqs2.omr.session.logic.PageImageRenderer.java

private static void drawPageState(PageTask pageTask, SourceConfig sourceConfig,
        //SourceDirectoryConfiguration configHandler, 
        int pageIndex, float densityThreshold, FormMaster master, BufferedImage image, int focusedColumnIndex,
        Rectangle scope) throws IOException {

    PageTaskResult pageTaskResult = pageTask.getPageTaskResult();
    PageTaskException pageTaskException = pageTask.getPageTaskException();

    FrameConfig frameConfig = sourceConfig.getFrameConfig();
    DeskewGuideAreaConfig deskewGuideAreaConfig = frameConfig.getDeskewGuideAreaConfig();
    MarkRecognitionConfig markRecognizationConfig = sourceConfig.getMarkRecognitionConfig();

    float headerVerticalMargin = deskewGuideAreaConfig.getHeaderVerticalMargin();
    float footerVerticalMargin = deskewGuideAreaConfig.getFooterVerticalMargin();
    float deskewGuideAreaHeight = deskewGuideAreaConfig.getHeight();
    float deskewGuideAreaHorizontalMargin = deskewGuideAreaConfig.getHeaderVerticalMargin();

    int w = image.getWidth();
    int h = image.getHeight();
    Graphics2D g = (Graphics2D) image.getGraphics();
    g.setColor(HEADER_FOOTER_COLOR);//from  w  ww  . j  a v a 2s  .c om
    g.fillRect((int) (w * deskewGuideAreaHorizontalMargin), (int) (h * headerVerticalMargin),
            (int) (w - 2 * w * deskewGuideAreaHorizontalMargin), (int) (h * deskewGuideAreaHeight));
    g.fillRect((int) (w * deskewGuideAreaHorizontalMargin),
            (int) (h - h * (footerVerticalMargin + deskewGuideAreaHeight) - 1),
            (int) (w - 2 * w * deskewGuideAreaHorizontalMargin), (int) (h * deskewGuideAreaHeight));

    if (pageTaskResult != null) {
        Point2D[] corners = pageTaskResult.getDeskewGuideCenterPoints();
        DeskewedImageSource pageSource = drawCorners(master, corners, image, g);
        drawFormAreas(pageIndex, densityThreshold, (FormMaster) master, pageTaskResult, g,
                markRecognizationConfig, pageSource, focusedColumnIndex, scope);
    }
    if (pageTaskException != null) {
        PageTaskExceptionModel model = pageTaskException.getExceptionModel();
        if (model instanceof PageFrameExceptionModel) {
            PageFrameExceptionModel m = (PageFrameExceptionModel) model;
            drawCorners(master, m.getCorners(), image, g);
        }
    }
}

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From source file:ThumbnailTools.java

/**
 * Save the thumbnail to the specified file, with the specified type
 * @param file the file/*from   w ww  .  ja v a2  s.  c o m*/
 * @param imageType the image type
 */
public void saveThumbnail(File file, String imageType) {
    if (thumb != null) {
        BufferedImage bi = new BufferedImage(thumb.getIconWidth(), thumb.getIconHeight(),
                BufferedImage.TYPE_INT_RGB);
        Graphics g = bi.getGraphics();
        g.drawImage(thumb.getImage(), 0, 0, null);
        try {
            ImageIO.write(bi, imageType, file);
        } catch (IOException ioe) {
            throw new RuntimeException("Error occured saving thumbnail");
        }
    } else {
        throw new RuntimeException("Thumbnail have to be created before.");
    }
}

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From source file:com.synnex.saas.platform.core.servlet.CaptchaServlet.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    try {/*from   ww  w  .jav a 2  s . com*/
        int width = 50;
        int height = 18;
        String captchaCode = RandomStringUtils.random(4, true, true);
        HttpSession session = request.getSession(true);
        session.setAttribute("captchaCode", captchaCode);

        response.setContentType("images/jpeg");
        response.setHeader("Pragma", "No-cache");
        response.setHeader("Cache-Control", "no-cache");
        response.setDateHeader("Expires", 0);

        ServletOutputStream out = response.getOutputStream();
        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        Graphics g = image.getGraphics();
        g.setColor(getRandColor(200, 250));
        g.fillRect(0, 0, width, height);
        Font mFont = new Font("Times New Roman", Font.BOLD, 18);
        g.setFont(mFont);
        g.setColor(getRandColor(160, 200));
        Random random = new Random();
        for (int i = 0; i < 155; i++) {
            int x2 = random.nextInt(width);
            int y2 = random.nextInt(height);
            int x3 = random.nextInt(12);
            int y3 = random.nextInt(12);
            g.drawLine(x2, y2, x2 + x3, y2 + y3);
        }
        g.setColor(new Color(20 + random.nextInt(110), 20 + random.nextInt(110), 20 + random.nextInt(110)));
        g.drawString(captchaCode, 2, 16);
        g.dispose();
        ImageIO.write((BufferedImage) image, "JPEG", out);
        out.close();
    } catch (Exception e) {
        logger.error("Generate captcha failed.", e);
    }
}

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From source file:com.igormaznitsa.mindmap.swing.panel.utils.ScalableIcon.java

public synchronized Image getImage(final double scale) {
    if (Double.compare(this.currentScaleFactor, scale) != 0) {
        this.scaledCachedImage = null;
    }//ww  w . j av a  2s  .  c  o m

    if (this.scaledCachedImage == null) {
        this.currentScaleFactor = scale;

        final int imgw = this.baseImage.getWidth(null);
        final int imgh = this.baseImage.getHeight(null);
        final int scaledW = (int) Math.round(imgw * this.baseScaleX * scale);
        final int scaledH = (int) Math.round(imgh * this.baseScaleY * scale);

        final BufferedImage img = new BufferedImage(scaledW, scaledH, BufferedImage.TYPE_INT_ARGB);
        final Graphics2D g = (Graphics2D) img.getGraphics();

        g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
        g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
        g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION,
                RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);

        g.drawImage(this.baseImage, 0, 0, scaledW, scaledH, null);
        g.dispose();

        this.scaledCachedImage = img;
    }
    return this.scaledCachedImage;
}

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From source file:org.pmedv.core.app.PostApplicationStartupConfigurer.java

public PostApplicationStartupConfigurer(String fileLocation) {
    this.fileLocation = fileLocation;
    log.info(AppContext.getName() + " initialized.");
    BufferedImage image = new BufferedImage(16, 16, BufferedImage.TYPE_INT_ARGB);
    Graphics g = image.getGraphics();
    g.setColor(Color.BLACK);// ww w. j  av  a 2 s.c o m
    g.fillRect(0, 0, 16, 16);
    AppContext.getContext().getBean(ApplicationWindow.class).getStatusLabel().setIcon(new ImageIcon(image));
}

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From source file:cpcc.core.utils.PngImageStreamResponseTest.java

@Test
public void shouldConvertBufferedImage() throws IOException {
    BufferedImage image = new BufferedImage(2, 2, BufferedImage.TYPE_INT_ARGB);
    Graphics gr = image.getGraphics();
    gr.setColor(Color.GREEN);// w ww.  ja  v a2s  .  c  o m
    gr.drawLine(0, 0, 1, 1);
    gr.setColor(Color.BLACK);
    gr.drawLine(1, 1, 0, 0);

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ImageIO.write(image, "PNG", baos);
    byte[] expected = baos.toByteArray();

    StreamResponse response = PngImageStreamResponse.convertImageToStreamResponse(image);

    assertThat(response.getStream()).isNotNull();
    byte[] actual = IOUtils.toByteArray(response.getStream());

    assertThat(actual).isEqualTo(expected);
}

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From source file:net.d53dev.dslfy.web.service.GifService.java

public BufferedImage convertRGBAToGIF(BufferedImage src, int transColor) {
    BufferedImage dst = new BufferedImage(src.getWidth(), src.getHeight(), BufferedImage.TYPE_BYTE_INDEXED);
    Graphics g = dst.getGraphics();
    g.setColor(new Color(transColor));
    g.fillRect(0, 0, dst.getWidth(), dst.getHeight());
    {//ww  w . j av  a2  s.  co m
        IndexColorModel indexedModel = (IndexColorModel) dst.getColorModel();
        WritableRaster raster = dst.getRaster();
        int sample = raster.getSample(0, 0, 0);
        int size = indexedModel.getMapSize();
        byte[] rr = new byte[size];
        byte[] gg = new byte[size];
        byte[] bb = new byte[size];
        indexedModel.getReds(rr);
        indexedModel.getGreens(gg);
        indexedModel.getBlues(bb);
        IndexColorModel newModel = new IndexColorModel(8, size, rr, gg, bb, sample);
        dst = new BufferedImage(newModel, raster, dst.isAlphaPremultiplied(), null);
    }
    dst.createGraphics().drawImage(src, 0, 0, null);
    return dst;
}

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

@Override
public void processData() {
    super.processData();
    RrdDb db = getDatabase().getDatabase();

    for (int i = 0; i < db.getArcCount(); i++) {
        Archive arch = db.getArchive(i);
        try {//  w ww.j  av  a2  s  . com
            for (String dsName : db.getDsNames()) {
                String probeName = getDatabase().getDescriptorByPhysicalName(dsName).getName();
                try {
                    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd-HH:mm:ss");

                    StringBuffer title = new StringBuffer(probeName);
                    title.append(" ");
                    title.append(sdf.format(new Date(arch.getStartTime() * 1000)));
                    title.append("-");
                    title.append(sdf.format(new Date(arch.getEndTime() * 1000)));

                    log().info("Creating Graph: " + title);

                    RrdGraphDef graphDef = new RrdGraphDef();

                    graphDef.setTitle(title.toString());
                    graphDef.setTimeSpan(arch.getStartTime(), arch.getEndTime());
                    graphDef.datasource(dsName, getDbFileName(), dsName, ConsolFun.AVERAGE);
                    graphDef.setStep(arch.getArcStep());
                    graphDef.setWidth(800);
                    graphDef.setHeight(600);
                    graphDef.line(dsName, Color.BLUE, probeName, 2.0f);
                    graphDef.setImageFormat("PNG");
                    graphDef.setFilename(getWorkDir().getAbsolutePath() + "/" + probeName + ".png");
                    RrdGraph graph = new RrdGraph(graphDef);
                    BufferedImage bi = new BufferedImage(800, 600, BufferedImage.TYPE_INT_RGB);
                    graph.render(bi.getGraphics());
                    createThumbnail(bi, probeName, 40, 30);
                } catch (Exception e) {
                    log().error("Error generating graph for probe " + probeName, e);
                }
            }
        } catch (IOException ioe) {
            log().error("Error retrieving datasource names from RRD database ", ioe);
        }
    }
}

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