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:ch.rasc.downloadchart.DownloadChartServlet.java

private static void writeImage(HttpServletResponse response, byte[] imageData, Integer width, Integer height,
        String formatName) throws IOException {

    BufferedImage originalImage = ImageIO.read(new ByteArrayInputStream(imageData));
    Dimension newDimension = calculateDimension(originalImage, width, height);

    if (newDimension != null) {
        int type = originalImage.getType() == 0 ? BufferedImage.TYPE_INT_ARGB : originalImage.getType();
        BufferedImage resizedImage = new BufferedImage(newDimension.width, newDimension.height, type);
        Graphics2D g = resizedImage.createGraphics();
        g.drawImage(originalImage, 0, 0, newDimension.width, newDimension.height, 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);

        ImageIO.write(resizedImage, formatName, response.getOutputStream());
    } else {/*from   w  w  w.j a  v  a2 s  .  c om*/
        if ("png".equals(formatName)) {
            response.getOutputStream().write(imageData);
        } else {
            ImageIO.write(originalImage, "gif", response.getOutputStream());
        }
    }
}

---

From source file:net.sourceforge.subsonic.controller.CoverArtController.java

public static BufferedImage scale(BufferedImage image, int width, int height) {
    int w = image.getWidth();
    int h = image.getHeight();
    BufferedImage thumb = image;/*from   w w w .j av a  2  s  . c o m*/

    // For optimal results, use step by step bilinear resampling - halfing the size at each step.
    do {
        w /= 2;
        h /= 2;
        if (w < width) {
            w = width;
        }
        if (h < height) {
            h = height;
        }

        BufferedImage temp = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = temp.createGraphics();
        g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        g2.drawImage(thumb, 0, 0, temp.getWidth(), temp.getHeight(), null);
        g2.dispose();

        thumb = temp;
    } while (w != width);

    return thumb;
}

---

From source file:de.bamamoto.mactools.png2icns.Scaler.java

public static BufferedImage resize(BufferedImage source, int width, int height) {

    double xScale = ((double) width) / (double) source.getWidth();
    double yScale = ((double) height) / (double) source.getHeight();
    BufferedImage result = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice()
            .getDefaultConfiguration()/*from   w  ww.ja v a2  s. co  m*/
            .createCompatibleImage(width, height, source.getColorModel().getTransparency());
    Graphics2D newImage = null;
    try {
        newImage = result.createGraphics();
        newImage.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
        newImage.drawRenderedImage(source, AffineTransform.getScaleInstance(xScale, yScale));
    } finally {
        if (newImage != null) {
            newImage.dispose();
        }
    }
    return result;
}

---

From source file:net.algart.simagis.live.json.minimal.SimagisLiveUtils.java

private static BufferedImage toThumbnailSize(BufferedImage image) {
    final int w = image.getWidth();
    final int h = image.getHeight();
    final int max = Math.max(w, h);
    if (max <= 256) {
        return image;
    }/*from ww w  .ja va  2  s  .c om*/
    final double s = max / 256d;
    final BufferedImage result = new BufferedImage(Math.max((int) Math.min(w / s, 256), 1),
            Math.max((int) Math.min(h / s, 256), 1), BufferedImage.TYPE_INT_BGR);
    final Graphics2D graphics = result.createGraphics();
    try {
        graphics.drawImage(image.getScaledInstance(result.getWidth(), result.getHeight(), Image.SCALE_SMOOTH),
                0, 0, null);
    } finally {
        graphics.dispose();
    }
    return result;
}

---

From source file:de.mprengemann.intellij.plugin.androidicons.util.ImageUtils.java

private static BufferedImage ensureJpgCompatibility(BufferedImage image) {
    BufferedImage imageRGB = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = imageRGB.createGraphics();
    g2.drawImage(image, 0, 0, imageRGB.getWidth(), imageRGB.getHeight(), Color.WHITE, null);
    g2.dispose();
    return imageRGB;
}

---

From source file:GUI.Main.java

public static BufferedImage resize(BufferedImage image, int width, int height) {
    BufferedImage bi = new BufferedImage(width, height, BufferedImage.TRANSLUCENT);
    Graphics2D g2d = bi.createGraphics();
    g2d.addRenderingHints(//from   w  ww  .ja v  a  2s.  c om
            new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY));
    g2d.drawImage(image, 0, 0, width, height, null);
    g2d.dispose();
    return bi;
}

---

From source file:com.exam.server.ConvertPDF.java

public static void addPieChart(JFreeChart chart, int width, int height, PdfWriter writer) {
    //          PdfWriter writer = null;

    //          Document document = new Document();

    try {// w  ww  .  ja  va  2s  .  c o m
        //             writer = PdfWriter.getInstance(document, new FileOutputStream(
        //                   fileName));
        System.out.println("writing pie chart document ");
        //             document.open();
        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, 0, 0);

    } catch (Exception e) {
        e.printStackTrace();
    }
    System.out.println("writing done:: ");
}

---

From source file:imageLines.ImageHelpers.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 = (BufferedImage) img;
    int w, h;/*from  ww w  .ja  va2s. c  o m*/
    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;
}

---

From source file:com.t3.image.ImageUtil.java

/**
 * Flip the image and return a new image
 * @param direction 0-nothing, 1-horizontal, 2-vertical, 3-both
 * @return//from   ww  w.  jav  a2 s .  c o m
 */
public static BufferedImage flip(BufferedImage image, int direction) {
    BufferedImage workImage = new BufferedImage(image.getWidth(), image.getHeight(), image.getTransparency());

    boolean flipHorizontal = (direction & 1) == 1;
    boolean flipVertical = (direction & 2) == 2;

    int workW = image.getWidth() * (flipHorizontal ? -1 : 1);
    int workH = image.getHeight() * (flipVertical ? -1 : 1);
    int workX = flipHorizontal ? image.getWidth() : 0;
    int workY = flipVertical ? image.getHeight() : 0;

    Graphics2D wig = workImage.createGraphics();
    wig.drawImage(image, workX, workY, workW, workH, null);
    wig.dispose();

    return workImage;
}

---

From source file:net.sf.mcf2pdf.mcfelements.util.ImageUtil.java

public static BufferedImage readImage(File imageFile) throws IOException {
    int rotation = getImageRotation(imageFile);
    BufferedImage img = ImageIO.read(imageFile);

    if (rotation == 0) {
        return img;
    }/* w ww.  j a  v a2  s  .c  om*/

    boolean swapXY = rotation != 180;

    BufferedImage rotated = new BufferedImage(swapXY ? img.getHeight() : img.getWidth(),
            swapXY ? img.getWidth() : img.getHeight(), BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = rotated.createGraphics();
    g2d.translate((rotated.getWidth() - img.getWidth()) / 2, (rotated.getHeight() - img.getHeight()) / 2);
    g2d.rotate(Math.toRadians(rotation), img.getWidth() / 2, img.getHeight() / 2);

    g2d.drawImage(img, 0, 0, null);
    g2d.dispose();

    return rotated;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »