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:algorithm.QRCodeWatermarking.java

/**
 * This algorithm writes a QR-code image on a carrier image.
 * /*from   w  ww  .  jav a  2 s  . c  o m*/
 * @param qrCodeFile
 * @param carrierFile
 * @param imageFormat
 * @return image file with qr code on top of carrier
 * @throws IOException
 */
private File writeQRCodeOnImage(File qrCodeFile, File carrierFile, String imageFormat) throws IOException {
    BufferedImage barcode = ImageIO.read(qrCodeFile);
    BufferedImage carrier = ImageIO.read(carrierFile);
    if (barcode.getWidth() > carrier.getWidth() || barcode.getHeight() > carrier.getHeight()) {
        displayMessage(
                "The QR-code is to big to add it to the carrier image. Try again with a lower QR-code size!");
        qrCodeFile.delete();
        return null;
    }
    Graphics graphics = carrier.getGraphics();
    graphics.drawImage(barcode, getXPosition(), getYPosition(), null);
    String outputFileName = FilenameUtils.removeExtension(getOutputFileName(carrierFile)) + "." + imageFormat;
    File outputFile = new File(outputFileName);
    ImageIO.write(carrier, imageFormat, outputFile);
    qrCodeFile.delete();
    return outputFile;
}

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From source file:org.jtrfp.trcl.core.ResourceManager.java

private BufferedImage[] getSpecialRAWImage(String name, Color[] palette, int upscalePowerOfTwo)
        throws IllegalAccessException, FileLoadException, IOException {
    RAWFile dat = getRAW(name);/*from www  . jav a2  s.c o  m*/
    dat.setPalette(palette);
    BufferedImage[] segs = dat.asSegments(upscalePowerOfTwo);
    for (BufferedImage seg : segs) {
        Graphics g = seg.getGraphics();
        BufferedImage scaled = new BufferedImage(seg.getColorModel(), seg.copyData(null),
                seg.isAlphaPremultiplied(), null);
        g.drawImage(
                scaled.getScaledInstance(seg.getWidth() - 2, seg.getHeight() - 2, Image.SCALE_AREA_AVERAGING),
                1, 1, seg.getWidth() - 2, seg.getHeight() - 2, null);
        g.dispose();
    }
    return segs;
}

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From source file:org.pentaho.di.core.gui.SwingDirectGC.java

private void drawImage(SwingUniversalImage img, int locationX, int locationY, int imageSize) {
    if (isDrawingPixelatedImages() && img.isBitmap()) {
        BufferedImage bi = new BufferedImage(imageSize, imageSize, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g2 = (Graphics2D) bi.getGraphics();
        g2.setColor(Color.WHITE);
        g2.fillRect(0, 0, imageSize, imageSize);
        g2.drawImage(img.getAsBitmapForSize(imageSize, imageSize), 0, 0, observer);
        g2.dispose();/*from  w  w  w.  j a v a2  s .  com*/

        for (int x = 0; x < bi.getWidth(observer); x++) {
            for (int y = 0; y < bi.getHeight(observer); y++) {
                int rgb = bi.getRGB(x, y);
                gc.setColor(new Color(rgb));
                gc.setStroke(new BasicStroke(1.0f));
                gc.drawLine(locationX + xOffset + x, locationY + yOffset + y, locationX + xOffset + x,
                        locationY + yOffset + y);
            }
        }
    } else {
        gc.setBackground(Color.white);
        gc.clearRect(locationX, locationY, imageSize, imageSize);
        img.drawToGraphics(gc, locationX, locationY, imageSize, imageSize);
    }
}

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From source file:userInterface.EnergySourceBoardSupervisor.ManageEnergyConsumptionsJPanel.java

private void saveBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_saveBtnActionPerformed
    JTableHeader tableHeaderComp = applianceTable.getTableHeader();
    int totalWidth = tableHeaderComp.getWidth() + applianceTable.getWidth();
    int totalHeight = tableHeaderComp.getHeight() + applianceTable.getHeight();
    BufferedImage tableImage = new BufferedImage(totalWidth, totalHeight, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2D = (Graphics2D) tableImage.getGraphics();
    tableHeaderComp.paint(g2D);/*from   w  w  w .jav a  2 s  .c  o m*/
    g2D.translate(0, tableHeaderComp.getHeight());
    applianceTable.paint(g2D);
    String name = fileNameTxt.getText();
    try {
        if (!name.equals("")) {
            ImageIO.write(tableImage, "png",
                    new File("C:\\Users\\Reshmi\\Documents\\NetBeansProjects\\FinalProject\\Saved Files\\"
                            + name + ".png"));
            JOptionPane.showMessageDialog(null, "image saved as " + name + ".png", "Saved",
                    JOptionPane.INFORMATION_MESSAGE);
        } else {
            JOptionPane.showMessageDialog(null, "enter name to be saved", "No image name",
                    JOptionPane.ERROR_MESSAGE);
        }
    } catch (Exception e) {
        System.out.println(e.getMessage());
    }
}

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From source file:org.openpnp.machine.reference.camera.TableScannerCamera.java

private BufferedImage renderFrame() {
    if (buffer == null) {
        return null;
    }/*from   w  w  w. j  a va2s .  c o  m*/
    if (head == null) {
        return null;
    }
    synchronized (buffer) {
        // Grab these values only once since the head may continue to move
        // while we are rendering.
        Location l = getLocation().convertToUnits(LengthUnit.Millimeters);
        double headX = l.getX();
        double headY = l.getY();
        if (lastX != headX || lastY != headY) {
            // Find the closest tile to the head's current position.
            Tile closestTile = getClosestTile(headX, headY);
            logger.debug("closestTile {}", closestTile);

            // If it has changed we need to render the entire buffer.
            if (closestTile != lastCenterTile) {
                lastCenterTile = closestTile;
                renderBuffer();
            }

            // And remember the last position we rendered.
            lastX = headX;
            lastY = headY;
        }

        /*
         * Get the distance from the center tile to the point we need to render.
         * TODO: Had to invert these from experimentation. Need to figure out
         * why and maybe make it configurable. I was too tired to figure it out.
         */
        double unitsDeltaX = headX - lastCenterTile.getX();
        double unitsDeltaY = lastCenterTile.getY() - headY;

        /*
         * Get the distance in pixels from the center tile to the head.
         */
        Location unitsPerPixel = getUnitsPerPixel().convertToUnits(LengthUnit.Millimeters);
        double deltaX = unitsDeltaX / unitsPerPixel.getX();
        double deltaY = unitsDeltaY / unitsPerPixel.getY();

        /*
         * Get the position within the buffer of the top left pixel of the
         * frame sized chunk we'll grab.
         */
        double bufferStartX = (buffer.getWidth() / 2) - (width / 2);
        double bufferStartY = (buffer.getHeight() / 2) - (height / 2);

        BufferedImage frame = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);

        /*
         * Render the frame sized chunk from the center of the buffer offset
         * by the distance of the head from the center tile to the frame
         * buffer for final output.
         */
        Graphics2D g = (Graphics2D) frame.getGraphics();
        g.drawImage(buffer, 0, 0, frame.getWidth(), frame.getHeight(), (int) (bufferStartX + deltaX),
                (int) (bufferStartY + deltaY), (int) (bufferStartX + frame.getWidth() + deltaX),
                (int) (bufferStartY + frame.getHeight() + deltaY), null);
        g.dispose();

        return frame;
    }
}

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From source file:au.com.gaiaresources.bdrs.controller.theme.ThemeControllerTest.java

private byte[] createTestImage() throws IOException {
    BufferedImage img = new BufferedImage(IMAGE_WIDTH, IMAGE_HEIGHT, BufferedImage.TYPE_INT_ARGB);

    Graphics2D g2 = (Graphics2D) img.getGraphics();
    Random rand = new Random();
    g2.setColor(new Color(rand.nextInt(255), rand.nextInt(255), rand.nextInt(255)));
    g2.fillRect(0, 0, img.getWidth(), img.getHeight());

    ByteArrayOutputStream baos = new ByteArrayOutputStream(img.getWidth() * img.getHeight());
    ImageIO.write(img, "png", baos);
    baos.flush();/*w w  w  .  j  a  v a 2  s . com*/
    byte[] rawBytes = baos.toByteArray();
    baos.close();

    return rawBytes;
}

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From source file:com.ikon.module.common.CommonWorkflowModule.java

/**
 * Get Process Definition Image/*from  www. j a v  a 2  s.  c  om*/
 */
public static byte[] getProcessDefinitionImage(long processDefinitionId, String node) throws WorkflowException {
    log.debug("getProcessDefinitionImage({}, {})", new Object[] { processDefinitionId, node });
    JbpmContext jbpmContext = JBPMUtils.getConfig().createJbpmContext();
    byte[] image = null;

    try {
        GraphSession graphSession = jbpmContext.getGraphSession();
        org.jbpm.graph.def.ProcessDefinition pd = graphSession.getProcessDefinition(processDefinitionId);
        FileDefinition fileDef = pd.getFileDefinition();

        WorkflowUtils.DiagramInfo dInfo = WorkflowUtils.getDiagramInfo(fileDef.getInputStream("gpd.xml"));
        WorkflowUtils.DiagramNodeInfo dNodeInfo = dInfo.getNodeMap().get(node);
        BufferedImage img = ImageIO.read(fileDef.getInputStream("processimage.jpg"));

        // Obtain all nodes Y and X
        List<Integer> ordenadas = new ArrayList<Integer>();
        List<Integer> abcisas = new ArrayList<Integer>();

        for (WorkflowUtils.DiagramNodeInfo nodeInfo : dInfo.getNodeMap().values()) {
            ordenadas.add(nodeInfo.getY());
            abcisas.add(nodeInfo.getX());
        }

        // Calculate minimal Y
        Collections.sort(ordenadas);
        int fixOrd = ordenadas.get(0) < 0 ? ordenadas.get(0) : 0;

        // Calculate minimal X
        Collections.sort(abcisas);
        int fixAbs = abcisas.get(0) < 0 ? abcisas.get(0) : 0;

        if (dNodeInfo != null) {
            // Select node
            log.debug("DiagramNodeInfo: {}", dNodeInfo);
            Graphics g = img.getGraphics();
            Graphics2D g2d = (Graphics2D) g;
            g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.25F));
            g2d.setColor(Color.blue);
            g2d.fillRect(dNodeInfo.getX() - fixAbs, dNodeInfo.getY() - fixOrd, dNodeInfo.getWidth(),
                    dNodeInfo.getHeight());
            g.dispose();
        }

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ImageIO.write(img, "jpg", baos);
        image = baos.toByteArray();
        baos.flush();
        baos.close();
    } catch (JbpmException e) {
        throw new WorkflowException(e.getMessage(), e);
    } catch (IOException e) {
        throw new WorkflowException(e.getMessage(), e);
    } finally {
        jbpmContext.close();
    }

    log.debug("getProcessDefinitionImage: {}", image);
    return image;
}

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From source file:web.diva.server.model.SomClustering.SomClustImgGenerator.java

public String generateScale(Dataset dataset, boolean clustColumn) {
    int W = 0;//from  w  w  w .  j  a v a 2  s.c om
    if (clustColumn) {
        W = (Math.min((upperTree.getWidth() + 21), 250));
    } else {
        W = (Math.min((dataset.getColumnIds().length * 12 + 21), 250));
    }
    BufferedImage nfo = new BufferedImage(W, 50, BufferedImage.TYPE_INT_ARGB);
    Graphics g = nfo.getGraphics();
    g.setFont(getTableFont(9));
    drawScale(g, new Point(0, 0), W, 30);
    return this.generateEncodedImg(nfo);

}

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From source file:web.diva.server.model.SomClustering.SomClustImgGenerator.java

public InteractiveColumnsResults generateInteractiveColumn(Dataset dataset, int[] selection) {

    interactiveColumnImg = null;//from  w w w . j av a2 s . co  m
    interactiveColumnImg = new BufferedImage(squareW + squareW, (sideTree.getHeight()),
            BufferedImage.TYPE_INT_ARGB);

    BufferedImage navgBackGroungImg = new BufferedImage(400, 10, BufferedImage.TYPE_INT_ARGB);
    Graphics navGr = navgBackGroungImg.getGraphics();
    int navUnit = (dataset.getDataLength() / 200) + 1;

    Graphics g = interactiveColumnImg.getGraphics();
    g.setFont(getTableFont(5));
    drawTable(g, new Point(0, 0), dataset, selection, navGr, navUnit);
    navgBackGroungImg = rotateImage(navgBackGroungImg, 180);
    navgStringImg = this.generateEncodedImg(navgBackGroungImg);
    InteractiveColumnsResults results = new InteractiveColumnsResults();
    results.setInteractiveColumn(splitImage(interactiveColumnImg));
    results.setNavgUrl(navgStringImg);
    return results;
}

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From source file:org.jtrfp.trcl.core.ResourceManager.java

/**
 * Returns RAW image as an R8-G8-B8 buffer with a side-width which is the square root of the total number of pixels
 * @param name/* w  w w  . j  av a2  s  .com*/
 * @param palette
 * @param proc
 * @return
 * @throws IOException
 * @throws FileLoadException
 * @throws IllegalAccessException
 * @throws NotSquareException 
 * @since Oct 26, 2012
 */
public BufferedImage getRAWImage(String name, Color[] palette) throws IOException, FileLoadException,
        IllegalAccessException, NotSquareException, NonPowerOfTwoException {
    final RAWFile dat = getRAW(name);
    final byte[] raw = dat.getRawBytes();
    if (raw.length != dat.getSideLength() * dat.getSideLength())
        throw new NotSquareException(name);
    if ((dat.getSideLength() & (dat.getSideLength() - 1)) != 0)
        throw new NonPowerOfTwoException(name);
    final BufferedImage stamper = new BufferedImage(dat.getSideLength(), dat.getSideLength(),
            BufferedImage.TYPE_INT_ARGB);
    Graphics stG = stamper.getGraphics();
    for (int i = 0; i < raw.length; i++) {
        Color c = palette[(int) raw[i] & 0xFF];
        stG.setColor(c);
        stG.fillRect(i % dat.getSideLength(), i / dat.getSideLength(), 1, 1);
    }
    stG.dispose();
    Graphics g = stamper.getGraphics();
    //The following code stamps the filename into the texture for debugging purposes
    if (tr.isStampingTextures()) {
        g.setFont(new Font(g.getFont().getName(), g.getFont().getStyle(), 9));
        g.drawString(name, 1, 16);
    }

    g.dispose();
    return stamper;
}

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