Example usage for java.awt.image BufferedImage createGraphics

Introduction

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

Prototype

public Graphics2D createGraphics() 

Source Link

Document

Creates a Graphics2D , which can be used to draw into this BufferedImage .

Usage

From source file:su.fmi.photoshareclient.remote.ImageHandler.java

public static BufferedImage createResizedCopy(Image originalImage, int scaledWidth, int scaledHeight,
        boolean preserveAlpha) {
    int imageType = preserveAlpha ? BufferedImage.TYPE_INT_RGB : BufferedImage.TYPE_INT_ARGB;
    BufferedImage scaledBI = new BufferedImage(scaledWidth, scaledHeight, imageType);
    Graphics2D g = scaledBI.createGraphics();
    if (preserveAlpha) {
        g.setComposite(AlphaComposite.Src);
    }//w  ww .  java 2 s .co m
    g.drawImage(originalImage, 0, 0, scaledWidth, scaledHeight, null);
    g.dispose();
    return scaledBI;
}

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From source file:Main.java

public static void draw(BufferedImage imageBG, BufferedImage imageFG) {
    Ellipse2D.Double ellipse1 = new Ellipse2D.Double(20, 20, 30, 30);
    Ellipse2D.Double ellipse2 = new Ellipse2D.Double(25, 25, 30, 30);
    Area circle = new Area(ellipse1);
    circle.subtract(new Area(ellipse2));

    Graphics2D g = imageBG.createGraphics();
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
    g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
    g.setClip(circle);// ww w .  ja  v a 2  s . c  om
    g.drawImage(imageFG, 0, 0, null);
    g.setClip(null);
    Stroke s = new BasicStroke(2);
    g.setStroke(s);
    g.setColor(Color.BLACK);
    g.draw(circle);
    g.dispose();

    JLabel l = new JLabel(new ImageIcon(imageBG));
    JOptionPane.showMessageDialog(null, l);
}

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From source file:es.logongas.util.seguridad.CodigoVerificacionSeguro.java

/**
 * Esta funcin se aplica pq para imagenes muy grandes no reconoce el cdigo
 * QR//from   ww w.j a  v a2 s  .  c o m
 *
 * @param originalImage La imagen original
 * @param f El factor de escalado
 * @return La iamgen reescalada.
 */
private static BufferedImage resizeImage(BufferedImage originalImage, double f) {
    int ancho = (int) (((double) originalImage.getWidth()) * f);
    int alto = (int) (((double) originalImage.getHeight()) * f);
    int type = originalImage.getType() == 0 ? BufferedImage.TYPE_INT_ARGB : originalImage.getType();
    BufferedImage resizedImage = new BufferedImage(ancho, alto, type);
    Graphics2D g = resizedImage.createGraphics();
    g.drawImage(originalImage, 0, 0, ancho, alto, null);
    g.dispose();

    return resizedImage;
}

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From source file:edu.sdsc.scigraph.services.jersey.writers.ImageWriter.java

private static BufferedImage renderImage(JPanel panel) {
    JFrame frame = new JFrame();
    frame.setUndecorated(true);/* w  w  w  .  j  a  va2s.co m*/
    frame.getContentPane().add(panel);
    frame.pack();
    BufferedImage bi = new BufferedImage(panel.getWidth(), panel.getHeight(), BufferedImage.TYPE_INT_ARGB);
    Graphics2D graphics = bi.createGraphics();
    panel.print(graphics);
    graphics.dispose();
    frame.dispose();
    return bi;
}

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From source file:com.l1j5.web.common.utils.ImageUtils.java

public static void getGifImageThumbnail(BufferedInputStream stream_file, String save, String type, int w) {

    GifDecoder dec = new GifDecoder();
    AnimatedGifEncoder enc = new AnimatedGifEncoder();
    dec.read(stream_file);//from ww w . ja va 2  s.  com

    int cnt = dec.getFrameCount();

    int delay = 0;
    int width = 0;
    int height = 0;

    try {
        enc.start(save);
        enc.setRepeat(0);

        for (int i = 0; i < cnt; i++) {
            BufferedImage frame = dec.getFrame(i);
            delay = dec.getDelay(i);

            width = frame.getWidth();
            height = frame.getHeight();

            double ratio = (double) height / width;
            height = (int) (w * ratio);
            if (w < width) {
                width = w;
            }

            BufferedImage destimg = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR);
            Graphics2D g = destimg.createGraphics();

            g.drawImage(frame, 0, 0, width, height, null);
            enc.setDelay(delay);

            enc.addFrame(destimg);
        }

        enc.finish();
    } catch (Exception ex) {
        log.error(ex);
    }
}

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From source file:at.gv.egiz.pdfas.common.utils.ImageUtils.java

public static BufferedImage removeAlphaChannel(BufferedImage src) {
    //if (src.getColorModel().hasAlpha()) {
    BufferedImage image = new BufferedImage(src.getWidth(), src.getHeight(), BufferedImage.TYPE_INT_RGB);
    Graphics2D g = image.createGraphics();
    g.setComposite(AlphaComposite.Src);
    g.drawImage(src, 0, 0, null);/* w  ww . j a  va 2 s . c  o m*/
    g.dispose();
    return image;
    //}
    //return src;
    /*
     * BufferedImage rgbImage = new BufferedImage(src.getWidth(),
     * src.getHeight(), BufferedImage.TYPE_3BYTE_BGR); for (int x = 0; x <
     * src.getWidth(); ++x) { for (int y = 0; y < src.getHeight(); ++y) {
     * rgbImage.setRGB(x, y, src.getRGB(x, y) & 0xFFFFFF); } } return
     * rgbImage;
     */
}

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From source file:com.l1j5.web.common.utils.ImageUtils.java

public static void getGifImageThumbnail(BufferedInputStream stream_file, String save, String type, int w,
        int h) {//w ww .ja va 2  s  .  c o  m

    GifDecoder dec = new GifDecoder();
    AnimatedGifEncoder enc = new AnimatedGifEncoder();
    dec.read(stream_file);

    int cnt = dec.getFrameCount();

    int delay = 0;
    int width = 0;
    int height = 0;

    try {
        enc.start(save);
        enc.setRepeat(0);

        for (int i = 0; i < cnt; i++) {
            BufferedImage frame = dec.getFrame(i);
            delay = dec.getDelay(i);

            width = frame.getWidth();
            height = frame.getHeight();
            if (w < width) {
                width = w;
            }
            if (h < height) {
                height = h;
            }

            BufferedImage destimg = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR);
            Graphics2D g = destimg.createGraphics();

            g.drawImage(frame, 0, 0, width, height, null);
            enc.setDelay(delay);

            enc.addFrame(destimg);
        }

        enc.finish();
    } catch (Exception ex) {
        log.error(ex);
    }
}

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From source file:com.github.lucapino.sheetmaker.PreviewJFrame.java

public static BufferedImage makeRoundedCorner(BufferedImage image, int cornerRadius) {
    int w = image.getWidth();
    int h = image.getHeight();
    BufferedImage output = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);

    Graphics2D g2 = output.createGraphics();

    // This is what we want, but it only does hard-clipping, i.e. aliasing
    // g2.setClip(new RoundRectangle2D ...)
    // so instead fake soft-clipping by first drawing the desired clip shape
    // in fully opaque white with antialiasing enabled...
    g2.setComposite(AlphaComposite.Src);
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setColor(Color.WHITE);//from   w  w  w.  j  a  va 2s . co m
    g2.fill(new RoundRectangle2D.Float(0, 0, w, h, cornerRadius, cornerRadius));

    // ... then compositing the image on top,
    // using the white shape from above as alpha source
    g2.setComposite(AlphaComposite.SrcIn);
    g2.drawImage(image, 0, 0, null);

    g2.dispose();

    return output;
}

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From source file:com.jaeksoft.searchlib.util.ImageUtils.java

public final static BufferedImage reduceImage(BufferedImage image, int width, int height) {
    int type = (image.getTransparency() == Transparency.OPAQUE) ? BufferedImage.TYPE_INT_RGB
            : BufferedImage.TYPE_INT_ARGB;
    BufferedImage ret = (BufferedImage) image;
    int w = image.getWidth();
    int h = image.getHeight();

    while (w != width || h != height) {
        if (w > width) {
            w /= 2;/*from w w w.j av a  2 s . c  o m*/
            if (w < width)
                w = width;
        }

        if (h > height) {
            h /= 2;
            if (h < height)
                h = height;
        }

        BufferedImage tmp = new BufferedImage(w, h, type);

        Graphics2D g2 = tmp.createGraphics();
        g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        g2.drawImage(ret, 0, 0, w, h, null);
        g2.dispose();
        ret = tmp;
    }
    return ret;
}

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From source file:com.jaeksoft.searchlib.util.ImageUtils.java

public static BufferedImage toBufferedImage(Image image) throws InterruptedException {

    if (image instanceof BufferedImage)
        return (BufferedImage) image;

    image = new ImageIcon(image).getImage();
    int type = hasAlpha(image) ? BufferedImage.TYPE_INT_ARGB : BufferedImage.TYPE_INT_RGB;
    BufferedImage bimage = new BufferedImage(image.getWidth(null), image.getHeight(null), type);
    Graphics g = bimage.createGraphics();
    g.drawImage(image, 0, 0, null);//  www .j av  a  2  s  . co  m
    g.dispose();
    return bimage;
}

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