Example usage for java.awt Graphics dispose

Introduction

In this page you can find the example usage for java.awt Graphics 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:net.sf.webphotos.tools.Thumbnail.java

private static boolean save(Image thumbnail, String nmArquivo) {
    try {/*from   w w  w . j  a v  a  2s  .  c  o m*/
        // This code ensures that all the
        // pixels in the image are loaded.
        Image temp = new ImageIcon(thumbnail).getImage();

        // Create the buffered image.
        BufferedImage bufferedImage = new BufferedImage(temp.getWidth(null), temp.getHeight(null),
                BufferedImage.TYPE_INT_RGB);

        // Copy image to buffered image.
        Graphics g = bufferedImage.createGraphics();

        // Clear background and paint the image.
        g.setColor(Color.white);
        g.fillRect(0, 0, temp.getWidth(null), temp.getHeight(null));
        g.drawImage(temp, 0, 0, null);
        g.dispose();

        // write the jpeg to a file
        File file = new File(nmArquivo);
        // Recria o arquivo se existir
        if (file.exists()) {
            Util.out.println("Redefinindo a Imagem: " + nmArquivo);
            file.delete();
            file = new File(nmArquivo);
        }

        // encodes image as a JPEG file
        ImageIO.write(bufferedImage, IMAGE_FORMAT, file);

        return true;
    } catch (IOException ioex) {
        ioex.printStackTrace(Util.err);
        return false;
    }
}

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From source file:rega.genotype.ui.util.GenotypeLib.java

public static void scalePNG(File in, File out, double perc) throws IOException {
    Image i = ImageIO.read(in);
    Image resizedImage = null;/*from  ww  w. j a  va 2s  . c om*/

    int newWidth = (int) (i.getWidth(null) * perc / 100.0);
    int newHeight = (int) (i.getHeight(null) * perc / 100.0);

    resizedImage = i.getScaledInstance(newWidth, newHeight, Image.SCALE_SMOOTH);

    // This code ensures that all the pixels in the image are loaded.
    Image temp = new ImageIcon(resizedImage).getImage();

    // Create the buffered image.
    BufferedImage bufferedImage = new BufferedImage(temp.getWidth(null), temp.getHeight(null),
            BufferedImage.TYPE_INT_RGB);

    // Copy image to buffered image.
    Graphics g = bufferedImage.createGraphics();

    // Clear background and paint the image.
    g.setColor(Color.white);
    g.fillRect(0, 0, temp.getWidth(null), temp.getHeight(null));
    g.drawImage(temp, 0, 0, null);
    g.dispose();

    // Soften.
    float softenFactor = 0.05f;
    float[] softenArray = { 0, softenFactor, 0, softenFactor, 1 - (softenFactor * 4), softenFactor, 0,
            softenFactor, 0 };
    Kernel kernel = new Kernel(3, 3, softenArray);
    ConvolveOp cOp = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null);
    bufferedImage = cOp.filter(bufferedImage, null);

    ImageIO.write(bufferedImage, "png", out);
}

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From source file:org.tolven.security.bean.DocProtectionBean.java

/**
 * Place the resulting scaled image into the output buffer
 * @param image The scaled image//from  w  w w. j  a v  a 2 s.com
 * @param windowWidth The desired window width to return
 * @param windowHeight The desired window hight to return
 * @return A Buffered image, ready for output
 */
static public BufferedImage toBufferedImage(Image image, int windowWidth, int windowHeight) {
    image = new ImageIcon(image).getImage();
    BufferedImage bufferedImage = new BufferedImage(windowWidth, windowHeight, BufferedImage.TYPE_INT_RGB);
    Graphics g = bufferedImage.createGraphics();
    g.setColor(Color.WHITE);
    g.fillRect(0, 0, windowWidth, windowHeight);
    // Center image in window
    int hOffset = (windowWidth - image.getWidth(null)) / 2;
    int vOffset = (windowHeight - image.getHeight(null)) / 2;
    g.drawImage(image, hOffset, vOffset, null);
    g.dispose();
    return bufferedImage;
}

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From source file:view.FramePrincipal.java

private static BufferedImage createBufferedImage(String fileName) {
    BufferedImage image = null;//ww w  .ja va 2  s . co m
    try {
        image = ImageIO.read(new File(fileName));
    } catch (IOException e) {
        return null;
    }

    int sizeX = image.getWidth();
    int sizeY = image.getHeight();

    BufferedImage result = new BufferedImage(sizeX, sizeY, BufferedImage.TYPE_INT_RGB);
    Graphics g = result.createGraphics();
    g.drawImage(image, 0, 0, null);
    g.dispose();
    return result;
}

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From source file:com.ricemap.spateDB.operations.Plot.java

/**
 * Combines images of different datasets into one image that is displayed
 * to users./*  ww  w  .j  a va 2 s  . c  o  m*/
 * @param fs The file system that contains the datasets and images
 * @param files Paths to directories which contains the datasets
 * @param includeBoundaries Also plot the indexing boundaries of datasets
 * @return An image that is the combination of all datasets images
 * @throws IOException
 */
public static BufferedImage combineImages(Configuration conf, Path[] files, boolean includeBoundaries,
        int width, int height) throws IOException {
    BufferedImage result = null;
    // Retrieve the MBRs of all datasets
    Prism allMbr = new Prism(Double.MAX_VALUE, Double.MAX_VALUE, Double.MAX_VALUE, -Double.MAX_VALUE,
            -Double.MAX_VALUE, -Double.MAX_VALUE);
    for (Path file : files) {
        FileSystem fs = file.getFileSystem(conf);
        Prism mbr = FileMBR.fileMBR(fs, file, null);
        allMbr.expand(mbr);
    }

    // Adjust width and height to maintain aspect ratio
    if ((allMbr.x2 - allMbr.x1) / (allMbr.y2 - allMbr.y1) > (double) width / height) {
        // Fix width and change height
        height = (int) ((allMbr.y2 - allMbr.y1) * width / (allMbr.x2 - allMbr.x1));
    } else {
        width = (int) ((allMbr.x2 - allMbr.x1) * height / (allMbr.y2 - allMbr.y1));
    }
    result = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);

    for (Path file : files) {
        FileSystem fs = file.getFileSystem(conf);
        if (fs.getFileStatus(file).isDir()) {
            // Retrieve the MBR of this dataset
            Prism mbr = FileMBR.fileMBR(fs, file, null);
            // Compute the coordinates of this image in the whole picture
            mbr.x1 = (mbr.x1 - allMbr.x1) * width / allMbr.getWidth();
            mbr.x2 = (mbr.x2 - allMbr.x1) * width / allMbr.getWidth();
            mbr.y1 = (mbr.y1 - allMbr.y1) * height / allMbr.getHeight();
            mbr.y2 = (mbr.y2 - allMbr.y1) * height / allMbr.getHeight();
            // Retrieve the image of this dataset
            Path imagePath = new Path(file, "_data.png");
            if (!fs.exists(imagePath))
                throw new RuntimeException("Image " + imagePath + " not ready");
            FSDataInputStream imageFile = fs.open(imagePath);
            BufferedImage image = ImageIO.read(imageFile);
            imageFile.close();
            // Draw the image
            Graphics graphics = result.getGraphics();
            graphics.drawImage(image, (int) mbr.x1, (int) mbr.y1, (int) mbr.getWidth(), (int) mbr.getHeight(),
                    null);
            graphics.dispose();

            if (includeBoundaries) {
                // Plot also the image of the boundaries
                // Retrieve the image of the dataset boundaries
                imagePath = new Path(file, "_partitions.png");
                if (fs.exists(imagePath)) {
                    imageFile = fs.open(imagePath);
                    image = ImageIO.read(imageFile);
                    imageFile.close();
                    // Draw the image
                    graphics = result.getGraphics();
                    graphics.drawImage(image, (int) mbr.x1, (int) mbr.y1, (int) mbr.getWidth(),
                            (int) mbr.getHeight(), null);
                    graphics.dispose();
                }
            }
        }
    }

    return result;
}

---

From source file:edu.umn.cs.spatialHadoop.operations.Plot.java

/**
 * Combines images of different datasets into one image that is displayed
 * to users./*from w w  w. j a v a 2s  .  c om*/
 * @param fs The file system that contains the datasets and images
 * @param files Paths to directories which contains the datasets
 * @param includeBoundaries Also plot the indexing boundaries of datasets
 * @return An image that is the combination of all datasets images
 * @throws IOException
 */
public static BufferedImage combineImages(Configuration conf, Path[] files, boolean includeBoundaries,
        int width, int height) throws IOException {
    BufferedImage result = null;
    // Retrieve the MBRs of all datasets
    Rectangle allMbr = new Rectangle(Double.MAX_VALUE, Double.MAX_VALUE, -Double.MAX_VALUE, -Double.MAX_VALUE);
    for (Path file : files) {
        FileSystem fs = file.getFileSystem(conf);
        Rectangle mbr = FileMBR.fileMBR(fs, file, null);
        allMbr.expand(mbr);
    }

    // Adjust width and height to maintain aspect ratio
    if ((allMbr.x2 - allMbr.x1) / (allMbr.y2 - allMbr.y1) > (double) width / height) {
        // Fix width and change height
        height = (int) ((allMbr.y2 - allMbr.y1) * width / (allMbr.x2 - allMbr.x1));
    } else {
        width = (int) ((allMbr.x2 - allMbr.x1) * height / (allMbr.y2 - allMbr.y1));
    }
    result = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);

    for (Path file : files) {
        FileSystem fs = file.getFileSystem(conf);
        if (fs.getFileStatus(file).isDir()) {
            // Retrieve the MBR of this dataset
            Rectangle mbr = FileMBR.fileMBR(fs, file, null);
            // Compute the coordinates of this image in the whole picture
            mbr.x1 = (mbr.x1 - allMbr.x1) * width / allMbr.getWidth();
            mbr.x2 = (mbr.x2 - allMbr.x1) * width / allMbr.getWidth();
            mbr.y1 = (mbr.y1 - allMbr.y1) * height / allMbr.getHeight();
            mbr.y2 = (mbr.y2 - allMbr.y1) * height / allMbr.getHeight();
            // Retrieve the image of this dataset
            Path imagePath = new Path(file, "_data.png");
            if (!fs.exists(imagePath))
                throw new RuntimeException("Image " + imagePath + " not ready");
            FSDataInputStream imageFile = fs.open(imagePath);
            BufferedImage image = ImageIO.read(imageFile);
            imageFile.close();
            // Draw the image
            Graphics graphics = result.getGraphics();
            graphics.drawImage(image, (int) mbr.x1, (int) mbr.y1, (int) mbr.getWidth(), (int) mbr.getHeight(),
                    null);
            graphics.dispose();

            if (includeBoundaries) {
                // Plot also the image of the boundaries
                // Retrieve the image of the dataset boundaries
                imagePath = new Path(file, "_partitions.png");
                if (fs.exists(imagePath)) {
                    imageFile = fs.open(imagePath);
                    image = ImageIO.read(imageFile);
                    imageFile.close();
                    // Draw the image
                    graphics = result.getGraphics();
                    graphics.drawImage(image, (int) mbr.x1, (int) mbr.y1, (int) mbr.getWidth(),
                            (int) mbr.getHeight(), null);
                    graphics.dispose();
                }
            }
        }
    }

    return result;
}

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From source file:edu.ku.brc.ui.IconManager.java

/**
 * Creates a Black and White image from the color
 * @param img the image to be converted/*from   w  ww.j a  va  2  s .  c  om*/
 * @return new B&W image
 */
public static ImageIcon createBWImage(final ImageIcon img) {
    BufferedImage bi = new BufferedImage(img.getIconWidth(), img.getIconHeight(), BufferedImage.TYPE_INT_RGB);
    Graphics g = bi.createGraphics();
    g.drawImage(img.getImage(), 0, 0, null);
    ColorConvertOp colorConvert = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_GRAY), null);
    colorConvert.filter(bi, bi);
    ImageIcon icon = new ImageIcon(bi);
    g.dispose();
    return icon;
}

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From source file:cognitivej.vision.overlay.builder.ImageOverlayBuilder.java

@NotNull
private static BufferedImage copy(@NotNull BufferedImage img, int imageType) {
    int width = img.getWidth();
    int height = img.getHeight();

    BufferedImage newImage = new BufferedImage(width, height, imageType);
    Graphics g = newImage.createGraphics();
    g.drawImage(img, 0, 0, null);/*from  www.  ja va2s. c o m*/
    g.dispose();

    return newImage;
}

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From source file:PrintTestApp.java

public PrintTestApp() {
    super("PrintTestApp");
    toolkit = getToolkit();//from   w w  w.j a  va  2  s  . c  o  m
    add("Center", textArea);
    setSize(300, 300);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    setVisible(true);

    String name = "Test print job";
    Properties properties = new Properties();
    PrintJob pj = toolkit.getPrintJob(PrintTestApp.this, name, properties);
    if (pj == null)
        textArea.setText("A null PrintJob was returned.");
    else {
        String output = "Name: " + name + "\nProperties: " + properties.toString();
        Dimension pageDim = pj.getPageDimension();
        int resolution = pj.getPageResolution();
        boolean lastPageFirst = pj.lastPageFirst();
        output += "\nPage dimension (in pixels):";
        output += "\n height: " + String.valueOf(pageDim.height);
        output += "\n width: " + String.valueOf(pageDim.width);
        output += "\nResolution (pixels/inch): " + String.valueOf(resolution);
        output += "\nLast Page First: " + String.valueOf(lastPageFirst);
        textArea.setText(output);
        Graphics g = pj.getGraphics();
        g.dispose();
        pj.end();
    }
}

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From source file:GrayImage.java

public void paint(Graphics g) {
    Image myImage = new ImageIcon("yourImage.png").getImage();
    BufferedImage bufferedImage = new BufferedImage(myImage.getHeight(this), myImage.getWidth(this),
            BufferedImage.TYPE_BYTE_GRAY);

    Graphics gi = bufferedImage.getGraphics();
    gi.drawImage(myImage, 0, 0, null);//from   w ww .  java2 s.c  o  m
    gi.dispose();

    Graphics2D g2d = (Graphics2D) g;
    g2d.drawImage(bufferedImage, null, 0, 0);
}

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