Example usage for java.awt Graphics2D dispose

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:Utils.java

public static BufferedImage createGradientImage(int width, int height, Color gradient1, Color gradient2) {

    BufferedImage gradientImage = createCompatibleImage(width, height);
    GradientPaint gradient = new GradientPaint(0, 0, gradient1, 0, height, gradient2, false);
    Graphics2D g2 = (Graphics2D) gradientImage.getGraphics();
    g2.setPaint(gradient);// w w w . ja  v  a  2  s  . c  om
    g2.fillRect(0, 0, width, height);
    g2.dispose();

    return gradientImage;
}

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From source file:jmbench.plots.UtilPlotPdf.java

protected static BufferedImage draw(JFreeChart chart, int width, int height) {
    BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = img.createGraphics();

    chart.draw(g2, new Rectangle2D.Double(0, 0, width, height));

    g2.dispose();
    return img;/*  w  w w . ja va 2  s .  co m*/
}

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From source file:Main.java

/**
 * Creates an outline of an image,//ww w  .  ja v a  2  s.  c o m
 * with the default clipping rectangle.
 * @param src The source image.
 * @param c The color to outline the image
 * in.
 * @return
 */
public static BufferedImage imgUtilOutline(BufferedImage src, Color c) {
    if (src == null)
        return null;
    BufferedImage b = new BufferedImage(src.getWidth(), src.getHeight(), src.getType());
    Graphics2D g = (Graphics2D) b.getGraphics();
    g.setColor(c);
    g.drawRect(1, 1, src.getWidth() - 1, src.getHeight() - 1);
    g.drawImage(src, 0, 0, null);
    g.dispose();
    return b;
}

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From source file:Main.java

public static void draw(BufferedImage image, Rectangle rectangle, BufferedImage backgroundImg) {
    Graphics2D g = backgroundImg.createGraphics();
    if (rectangle == null) {
        g.drawImage(image, 0, 0, null);//from w ww  .  j  a  v a2  s .  c  om
    } else {
        g.drawImage(image, rectangle.x, rectangle.y, null);
    }
    g.dispose();
}

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From source file:net.chris54721.infinitycubed.utils.Utils.java

public static BufferedImage toBufferedImage(Image img) {
    if (img instanceof BufferedImage)
        return (BufferedImage) img;
    BufferedImage bimage = new BufferedImage(img.getWidth(null), img.getHeight(null),
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D bGr = bimage.createGraphics();
    bGr.drawImage(img, 0, 0, null);//from   w ww .  ja  v a 2  s .  com
    bGr.dispose();
    return bimage;
}

---

From source file:Main.java

/**
 * Snapshots the specified {@link BufferedImage} and stores a copy of
 * its pixels into a JavaFX {@link Image} object, creating a new
 * object if needed.//from ww w  . j  a  v a 2s  . c  o m
 * The returned {@code Image} will be a static snapshot of the state
 * of the pixels in the {@code BufferedImage} at the time the method
 * completes.  Further changes to the {@code BufferedImage} will not
 * be reflected in the {@code Image}.
 * <p>
 * The optional JavaFX {@link WritableImage} parameter may be reused
 * to store the copy of the pixels.
 * A new {@code Image} will be created if the supplied object is null,
 * is too small or of a type which the image pixels cannot be easily
 * converted into.
 * 
 * @param bimg the {@code BufferedImage} object to be converted
 * @param wimg an optional {@code WritableImage} object that can be
 *        used to store the returned pixel data
 * @return an {@code Image} object representing a snapshot of the
 *         current pixels in the {@code BufferedImage}.
 * @since JavaFX 2.2
 */
public static WritableImage toFXImage(BufferedImage bimg, WritableImage wimg) {
    int bw = bimg.getWidth();
    int bh = bimg.getHeight();
    switch (bimg.getType()) {
    case BufferedImage.TYPE_INT_ARGB:
    case BufferedImage.TYPE_INT_ARGB_PRE:
        break;
    default:
        BufferedImage converted = new BufferedImage(bw, bh, BufferedImage.TYPE_INT_ARGB_PRE);
        Graphics2D g2d = converted.createGraphics();
        g2d.drawImage(bimg, 0, 0, null);
        g2d.dispose();
        bimg = converted;
        break;
    }
    // assert(bimg.getType == TYPE_INT_ARGB[_PRE]);
    if (wimg != null) {
        int iw = (int) wimg.getWidth();
        int ih = (int) wimg.getHeight();
        if (iw < bw || ih < bh) {
            wimg = null;
        } else if (bw < iw || bh < ih) {
            int empty[] = new int[iw];
            PixelWriter pw = wimg.getPixelWriter();
            PixelFormat<IntBuffer> pf = PixelFormat.getIntArgbPreInstance();
            if (bw < iw) {
                pw.setPixels(bw, 0, iw - bw, bh, pf, empty, 0, 0);
            }
            if (bh < ih) {
                pw.setPixels(0, bh, iw, ih - bh, pf, empty, 0, 0);
            }
        }
    }
    if (wimg == null) {
        wimg = new WritableImage(bw, bh);
    }
    PixelWriter pw = wimg.getPixelWriter();
    IntegerComponentRaster icr = (IntegerComponentRaster) bimg.getRaster();
    int data[] = icr.getDataStorage();
    int offset = icr.getDataOffset(0);
    int scan = icr.getScanlineStride();
    PixelFormat<IntBuffer> pf = (bimg.isAlphaPremultiplied() ? PixelFormat.getIntArgbPreInstance()
            : PixelFormat.getIntArgbInstance());
    pw.setPixels(0, 0, bw, bh, pf, data, offset, scan);
    return wimg;
}

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From source file:Main.java

public static BufferedImage getScaledInstance(BufferedImage img, int targetWidth, int targetHeight, Object hint,
        boolean higherQuality) {
    int type = (img.getTransparency() == Transparency.OPAQUE) ? BufferedImage.TYPE_INT_RGB
            : BufferedImage.TYPE_INT_ARGB;
    BufferedImage ret = img;//from   w w w  .j  av  a2  s .com
    int w, h;
    if (higherQuality) {
        // Use multi-step technique: start with original size, then
        // scale down in multiple passes with drawImage()
        // until the target size is reached
        w = img.getWidth();
        h = img.getHeight();
    } else {
        // Use one-step technique: scale directly from original
        // size to target size with a single drawImage() call
        w = targetWidth;
        h = targetHeight;
    }

    do {
        if (higherQuality && w > targetWidth) {
            w /= 2;
            if (w < targetWidth) {
                w = targetWidth;
            }
        }

        if (higherQuality && h > targetHeight) {
            h /= 2;
            if (h < targetHeight) {
                h = targetHeight;
            }
        }

        BufferedImage tmp = new BufferedImage(w, h, type);
        Graphics2D g2 = tmp.createGraphics();
        g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, hint);
        g2.drawImage(ret, 0, 0, w, h, null);
        g2.dispose();

        ret = tmp;
    } while (w != targetWidth || h != targetHeight);

    return ret;
}

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From source file:org.web4thejob.web.util.MediaUtil.java

public static BufferedImage createThumbnail(byte[] bytes) {
    Image image = getImage(bytes);
    BufferedImage bufferedImage = new BufferedImage(image.getWidth(), image.getHeight(),
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D g = bufferedImage.createGraphics();
    g.drawImage(image.toImageIcon().getImage(), 0, 0, null);
    g.dispose();
    return createThumbnail(bufferedImage);
}

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From source file:de.dfki.owlsmx.gui.util.Converter.java

public static void convertToPdf(JFreeChart chart, int width, int height, String filename) {
    // step 1       
    Document document = new Document(new Rectangle(width, height));
    try {// ww  w.j a v  a2  s.co m
        // step 2
        PdfWriter writer;
        writer = PdfWriter.getInstance(document, new FileOutputStream(filename));
        // step 3
        document.open();
        // step 4
        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);
    } catch (DocumentException de) {

    } catch (FileNotFoundException e) {

    }
    // step 5
    document.close();
}

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From source file:net.pickapack.chart.ChartPdfExporter.java

/**
 * Export the specified chart to the specified PDF file.
 *
 * @param chart the chart/*from  w w  w  .  ja  v  a  2 s. c  o  m*/
 * @param width the width of the PDF file
 * @param height the height of the PDF file
 * @param fileName the PDF file name
 */
public static void exportPdf(JFreeChart chart, int width, int height, String fileName) {
    try {
        Document document = new Document(new Rectangle(width, height));
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(fileName));
        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();
    } catch (DocumentException e) {
        throw new RuntimeException(e);
    } catch (FileNotFoundException e) {
        throw new RuntimeException(e);
    }
}

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