Example usage for java.awt.image BufferedImage BufferedImage

List of usage examples for java.awt.image BufferedImage BufferedImage

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Introduction

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

Prototype

public BufferedImage(int width, int height, int imageType)

Source Link

Document

Constructs a BufferedImage of one of the predefined image types.

Usage

From source file:Main.java

/**
 * Creates a buffered image for the given parameters. If there is not enough
 * memory to create the image then a OutOfMemoryError is thrown.
 *///  w w  w  . j  ava 2s .  c  o m
public static BufferedImage createBufferedImage(int w, int h, Color background) {
    BufferedImage result = null;

    if (w > 0 && h > 0) {
        int type = (background != null) ? BufferedImage.TYPE_INT_RGB : BufferedImage.TYPE_INT_ARGB;
        result = new BufferedImage(w, h, type);

        // Clears background
        if (background != null) {
            Graphics2D g2 = result.createGraphics();
            clearRect(g2, new Rectangle(w, h), background);
            g2.dispose();
        }
    }

    return result;
}

From source file:Main.java

private static BufferedImage getPooledImage(int width, int height, int index) {
    String key = String.format("%dx%d#%d",
            new Object[] { Integer.valueOf(width), Integer.valueOf(height), Integer.valueOf(index) });
    Reference ref = (Reference) imagePool.get(key);
    BufferedImage image = ref == null ? null : (BufferedImage) ref.get();

    if (image == null) {
        image = new BufferedImage(width, height, 2);
        imagePool.put(key, new SoftReference(image));
    }//w  ww  .  j  ava  2 s  . c  o  m

    return image;
}

From source file:ImageProc.java

public static void imwrite(File file, int[][] classificationMat, int imgDim1, int imgDim2) {
    BufferedImage image = new BufferedImage(imgDim2, imgDim1, BufferedImage.TYPE_INT_RGB);

    for (int i = 0; i < imgDim1; i++) {
        for (int j = 0; j < imgDim2; j++) {

            switch (classificationMat[i][j]) {
            case 1:
                image.setRGB(j, i, Color.BLUE.getRGB());
                break;
            case 2:
                image.setRGB(j, i, Color.CYAN.getRGB());
                break;
            case 3:
                image.setRGB(j, i, Color.GREEN.getRGB());
                break;
            case 4:
                image.setRGB(j, i, Color.ORANGE.getRGB());
                break;
            case 5:
                image.setRGB(j, i, Color.RED.getRGB());
                break;
            }//from   w  w w  . java  2  s  .  c  o  m
        }
    }
    try {
        ImageIO.write(image, "png", file);
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static BufferedImage joinBufferedImage(BufferedImage img1, BufferedImage img2) {
    int offset = 2;
    int width = img1.getWidth() + img2.getWidth() + offset;
    int height = Math.max(img1.getHeight(), img2.getHeight()) + offset;
    BufferedImage newImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = newImage.createGraphics();
    Color oldColor = g2.getColor();
    g2.setPaint(Color.BLACK);/* w  w w  . ja  v  a 2 s.c om*/
    g2.fillRect(0, 0, width, height);
    g2.setColor(oldColor);
    g2.drawImage(img1, null, 0, 0);
    g2.drawImage(img2, null, img1.getWidth() + offset, 0);
    g2.dispose();
    return newImage;
}

From source file:BufferedImages.java

/**
 * Returns a {@link BufferedImage} with the specified image type, where the
 * graphical content is a copy of the specified image.
 * /*from  ww  w. j  a v a 2  s . c  o  m*/
 * @param img      The image to copy.
 * @param imageType   The image type for the image to return.
 * @return         A copy of the specified image.
 */
public static BufferedImage copy(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);

    g.dispose();

    return newImage;
}

From source file:Main.java

public static Cursor buildCursorByTrimming(Toolkit toolkit, Image image, int x, int y, String name,
        Cursor defaultCursor) {//from   w w w. j  a va2  s  .  c om
    Dimension d = toolkit.getBestCursorSize(image.getWidth(null), image.getHeight(null));
    if (d == null || d.getWidth() <= 0 || d.getHeight() <= 0)
        return defaultCursor;
    BufferedImage out = new BufferedImage((int) d.getWidth(), (int) d.getHeight(), BufferedImage.TYPE_INT_ARGB);
    out.getGraphics().drawImage(image, 0, 0, null);
    return toolkit.createCustomCursor(out, new Point(x, y), name);
}

From source file:Main.java

public static BufferedImage convert2grey(BufferedImage image) {
    BufferedImage grey = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_BYTE_GRAY);
    Graphics g = grey.getGraphics();
    g.drawImage(image, 0, 0, null);// w w  w.j  a  va  2  s  . com
    g.dispose();
    BufferedImage rgb = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_RGB);
    g = rgb.getGraphics();
    g.drawImage(grey, 0, 0, null);
    g.dispose();
    return rgb;
}

From source file:Main.java

private static BufferedImage resizeImage(BufferedImage originalImage, int type) {
    int IMG_WIDTH = 512;
    int IMG_CLAHEIGHT = 512;
    BufferedImage resizedImage = new BufferedImage(IMG_WIDTH, IMG_CLAHEIGHT, type);
    Graphics2D g = resizedImage.createGraphics();
    g.drawImage(originalImage, 0, 0, IMG_WIDTH, IMG_CLAHEIGHT, null);
    g.dispose();// www .ja va 2 s .c  om
    return resizedImage;
}

From source file:contactangle.ImageControl.java

public static BufferedImage copyByPixel(BufferedImage ii) {
    BufferedImage oi = new BufferedImage(ii.getWidth(), ii.getHeight(), BufferedImage.TYPE_INT_RGB);
    for (int x = 0; x < ii.getWidth(); x++) {
        for (int y = 0; y < ii.getHeight(); y++) {
            int pixelData = ii.getRGB(x, y);
            oi.setRGB(x, y, pixelData);/*from   w  ww .  java  2s.  c  o  m*/
        }
    }
    return oi;
}

From source file:Main.java

public static BufferedImage takeScreenShot(Component component, String... watermarks) {

    Dimension size = component.getSize();

    BufferedImage screenshot = new BufferedImage(size.width, size.height, Transparency.OPAQUE);
    Graphics2D g = screenshot.createGraphics();
    g.setClip(0, 0, size.width - 1, size.height - 1);

    component.update(g);//ww w .ja v a2  s. c  o  m

    FontMetrics fm = g.getFontMetrics();
    int y = fm.getDescent();
    for (String watermark : watermarks)
        if (watermark != null) {
            int x = size.width - SwingUtilities.computeStringWidth(fm, watermark);

            g.setColor(Color.black);
            g.drawString(watermark, x, y);

            g.setColor(Color.white);
            g.drawString(watermark, x - 1, y - 1);

            y -= fm.getHeight();
        }

    g.dispose();

    return screenshot;
}