Example usage for java.awt Graphics2D dispose

List of usage examples for java.awt Graphics2D dispose

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Introduction

In this page you can find the example usage for java.awt Graphics2D 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:Main.java

public static BufferedImage getTransparentImage(BufferedImage image, Color transparent) {
    BufferedImage img = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_ARGB);
    Graphics2D g = img.createGraphics();
    for (int x = 0; x < img.getWidth(); x++) {
        for (int y = 0; y < img.getHeight(); y++) {
            if (image.getRGB(x, y) != transparent.getRGB()) {
                img.setRGB(x, y, image.getRGB(x, y));
            }/*from  ww  w . j  a  v a2s  .c  o m*/
        }
    }
    g.dispose();
    return img;
}

From source file:Main.java

/**
 * Creates a shadow mask//from   ww w  . ja  v a2  s.  c o m
 * @param image
 * @param shadowColor
 * @param shadowOpacity
 * @return
 */
private static BufferedImage createShadowMask(BufferedImage image, Color shadowColor, float shadowOpacity) {
    BufferedImage mask = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_ARGB);

    Graphics2D g2d = mask.createGraphics();
    g2d.drawImage(image, 0, 0, null);
    g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_IN, shadowOpacity));
    g2d.setColor(shadowColor);
    g2d.fillRect(0, 0, image.getWidth(), image.getHeight());
    g2d.dispose();

    return mask;
}

From source file:jmbench.plots.UtilPlotPdf.java

public static void saveAsPdf(LegendTitle legend, String FILENAME, int width, int height) {
    Document document = new Document(new Rectangle(width, height));
    try {/*from ww w.ja v  a2 s . c o  m*/
        FileOutputStream file = new FileOutputStream(FILENAME);
        PdfWriter writer = PdfWriter.getInstance(document, file);
        document.open();
        PdfContentByte cb = writer.getDirectContent();
        PdfTemplate tp = cb.createTemplate(width, height);
        Graphics2D g2d = tp.createGraphics(width, height, new DefaultFontMapper());
        Rectangle2D r2d = new Rectangle2D.Double(0, 0, width, height);
        legend.draw(g2d, r2d);
        g2d.dispose();
        cb.addTemplate(tp, 0, 0);
        document.close();
        g2d.dispose();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:jmbench.plots.UtilPlotPdf.java

public static void saveAsPdf(JFreeChart chart, String FILENAME, int width, int height) {
    File parent = new File(new File(FILENAME).getParent());
    if (!parent.exists()) {
        if (!parent.mkdirs())
            throw new RuntimeException("Can't make directory path");
    }// ww  w.  ja  v  a  2s.c  om

    Document document = new Document(new Rectangle(width, height));
    try {
        FileOutputStream file = new FileOutputStream(FILENAME);
        PdfWriter writer = PdfWriter.getInstance(document, file);
        document.open();
        PdfContentByte cb = writer.getDirectContent();
        PdfTemplate tp = cb.createTemplate(width, height);
        Graphics2D g2d = tp.createGraphics(width, height, new DefaultFontMapper());
        Rectangle2D r2d = new Rectangle2D.Double(0, 0, width, height);
        chart.draw(g2d, r2d);
        g2d.dispose();
        cb.addTemplate(tp, 0, 0);
        document.close();
        g2d.dispose();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:kz.supershiny.core.services.ImageService.java

/**
 * Creates thumb for image./*  ww w .j av  a  2  s  .  c om*/
 *
 * @param originalData original image in byte array
 * @param type original - 0, large - 1, small - 2
 * @return resized image in byte array
 */
public static byte[] resizeImage(byte[] originalData, ImageSize type) {
    //if original flag, then return original
    if (type.equals(ImageSize.ORIGINAL)) {
        return originalData;
    }

    BufferedImage originalImage = null;
    BufferedImage resizedImage = null;
    byte[] result = null;
    //convert bytes to BufferedImage
    try (InputStream in = new ByteArrayInputStream(originalData)) {
        originalImage = ImageIO.read(in);
    } catch (IOException ex) {
        LOG.error("Cannot convert byte array to BufferedImage!", ex);
        return null;
    }
    //get original size
    int scaledHeight = originalImage.getHeight();
    int scaledWidth = originalImage.getWidth();

    switch (type) {
    case LARGE:
        scaledWidth = LARGE_WIDTH;
        scaledHeight = LARGE_HEIGHT;
        break;
    case SMALL:
        scaledWidth = SMALL_WIDTH;
        scaledHeight = SMALL_HEIGHT;
        break;
    default:
        break;
    }
    //calculate aspect ratio
    float ratio = 1.0F * originalImage.getWidth() / originalImage.getHeight();
    if (ratio > 1.0F) {
        scaledHeight = (int) (scaledHeight / ratio);
    } else {
        scaledWidth = (int) (scaledWidth * ratio);
    }
    //resize with hints
    resizedImage = new BufferedImage(scaledWidth, scaledHeight,
            originalImage.getType() == 0 ? BufferedImage.TYPE_INT_ARGB : originalImage.getType());

    Graphics2D g = resizedImage.createGraphics();
    g.drawImage(originalImage, 0, 0, scaledWidth, scaledHeight, null);
    g.dispose();
    g.setComposite(AlphaComposite.Src);

    g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
    g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    //convert BufferedImage to bytes
    try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
        ImageIO.write(resizedImage, "png", baos);
        baos.flush();
        result = baos.toByteArray();
    } catch (IOException ex) {
        LOG.error("Cannot convert BufferedImage to byte array!", ex);
    }
    return result;
}

From source file:ImageUtil.java

public static BufferedImage crop(BufferedImage src, int width, int height) throws IOException {
    int x = src.getWidth() / 2 - width / 2;
    int y = src.getHeight() / 2 - height / 2;

    //        System.out.println("---" + src.getWidth() + " - " + src.getHeight() + " - " + x + " - " + y);

    BufferedImage clipping = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);//src.getType());  
    Graphics2D area = (Graphics2D) clipping.getGraphics().create();
    area.drawImage(src, 0, 0, clipping.getWidth(), clipping.getHeight(), x, y, x + clipping.getWidth(),
            y + clipping.getHeight(), null);
    area.dispose();

    return clipping;
}

From source file:by.bsuir.group172301.matskevich.tour.util.PDFCreator.java

public static void writeChartToPDF(JFreeChart chart, int width, int height, String fileName, int col1, int col2,
        double perc) {
    PdfWriter writer = null;/* w  w  w  .  ja v a  2s  .co  m*/

    Document document = new Document();

    try {
        writer = PdfWriter.getInstance(document, new FileOutputStream(fileName));
        document.open();
        Paragraph paragraph = new Paragraph();
        // We add one empty line

        paragraph = new Paragraph("Results:");
        paragraph.setAlignment(Element.ALIGN_CENTER);
        document.add(paragraph);
        paragraph = new Paragraph("Test before: " + col1);
        document.add(paragraph);
        paragraph = new Paragraph("Test after: " + col2);
        document.add(paragraph);
        paragraph = new Paragraph("Percentage: " + perc);
        document.add(paragraph);
        PdfContentByte contentByte = writer.getDirectContent();
        PdfTemplate template = contentByte.createTemplate(width, height);
        Graphics2D graphics2d = template.createGraphics(width, height, new DefaultFontMapper());
        Rectangle2D rectangle2d = new Rectangle2D.Double(0, 0, width, height);

        chart.draw(graphics2d, rectangle2d);

        graphics2d.dispose();
        contentByte.addTemplate(template, 150, 250);

    } catch (Exception e) {
        e.printStackTrace();
    }
    document.close();
}

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  w  w  . j  a  v a2s.c om
    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;
     */
}

From source file:it.smartcommunitylab.parking.management.web.manager.MarkerIconStorage.java

private static BufferedImage changeColor(BufferedImage image, Color mask, Color replacement) {
    BufferedImage destImage = new BufferedImage(image.getWidth(), image.getHeight(),
            BufferedImage.TYPE_INT_ARGB);

    Graphics2D g = destImage.createGraphics();
    g.drawImage(image, null, 0, 0);/* ww w.j  a v a 2 s .c o  m*/
    g.dispose();

    for (int i = 0; i < destImage.getWidth(); i++) {
        for (int j = 0; j < destImage.getHeight(); j++) {

            int destRGB = destImage.getRGB(i, j);

            if (matches(mask.getRGB(), destRGB)) {
                int rgbnew = getNewPixelRGB(replacement.getRGB(), destRGB);
                destImage.setRGB(i, j, rgbnew);
            }
        }
    }

    return destImage;
}

From source file:com.pureinfo.srm.common.ImageHelper.java

public static void drawImage(String _sString, OutputStream _os) throws PureException {
    int nWidth = 200;
    int nHeight = 50;
    String sText = _sString;/*from   ww  w .j  av a 2 s.com*/

    BufferedImage image = new BufferedImage(nWidth, nHeight, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();

    for (int i = 0; i < sText.length(); i++) {
        draw(String.valueOf(sText.charAt(i)), g2, i * nWidth / sText.length(), 0,
                (i + 1) * nWidth / sText.length(), nHeight);
    }

    g2.dispose();
    try {
        EncoderUtil.writeBufferedImage(image, ImageFormat.PNG, _os);
    } catch (Exception ex) {
        throw new PureException(PureException.UNKNOWN, "", ex);
    }
}