Example usage for java.awt.image BufferedImage getGraphics

Introduction

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

Prototype

public java.awt.Graphics getGraphics() 

Source Link

Document

This method returns a Graphics2D , but is here for backwards compatibility.

Usage

From source file:de.mfo.jsurf.grid.RotationGrid.java

public static BufferedImage renderAnimGrid(int xAngleMin, int xAngleMax, int xSteps, int yAngleMin,
        int yAngleMax, int ySteps) {
    BufferedImage grid = new BufferedImage(ySteps * size, xSteps * size, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = (Graphics2D) grid.getGraphics();
    for (int x = 0; x < xSteps; ++x) {
        double xAngle = xAngleMin + (xAngleMax - xAngleMin) * (xSteps == 1 ? 0.5 : (x / (double) (xSteps - 1)));
        Matrix4d matRotX = new Matrix4d();
        matRotX.setIdentity();//from  w  w  w .ja v a 2 s  . co  m
        matRotX.rotX(Math.toRadians(xAngle));
        for (int y = 0; y < ySteps; ++y) {
            double yAngle = yAngleMin
                    + (yAngleMax - yAngleMin) * (ySteps == 1 ? 0.5 : (y / (double) (ySteps - 1)));
            Matrix4d matRotY = new Matrix4d();
            matRotY.setIdentity();
            matRotY.rotY(Math.toRadians(yAngle));
            additional_rotation.mul(matRotY, matRotX);
            BufferedImage bi = createBufferedImageFromRGB(draw(size, size, aam, aap));
            g2.drawImage(bi,
                    new AffineTransformOp(new AffineTransform(), AffineTransformOp.TYPE_NEAREST_NEIGHBOR),
                    (ySteps - 1 - y) * size, x * size);
        }
    }
    return grid;
}

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From source file:components.FrameDemo2.java

protected static Image createFDImage() {
    //Create a 16x16 pixel image.
    BufferedImage bi = new BufferedImage(16, 16, BufferedImage.TYPE_INT_RGB);

    //Draw into it.
    Graphics g = bi.getGraphics();
    g.setColor(Color.BLACK);/* www .ja v a  2 s .c  o  m*/
    g.fillRect(0, 0, 15, 15);
    g.setColor(Color.RED);
    g.fillOval(5, 3, 6, 6);

    //Clean up.
    g.dispose();

    //Return it.
    return bi;
}

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From source file:table.FrequencyTablePanel.java

public static BufferedImage createImage(JTable table) {
    JTableHeader tableHeaderComp = table.getTableHeader();
    int totalWidth = tableHeaderComp.getWidth();
    int totalHeight = tableHeaderComp.getHeight() + table.getHeight();
    BufferedImage tableImage = new BufferedImage(totalWidth, totalHeight, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2D = (Graphics2D) tableImage.getGraphics();
    tableHeaderComp.paint(g2D);/* w  w  w. j  a v  a2 s. co m*/
    g2D.translate(0, tableHeaderComp.getHeight());
    table.paint(g2D);
    return tableImage;
}

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From source file:com.klwork.common.utils.WebUtils.java

/**
 * ???//from  w ww. java 2 s. co m
 * @param request
 * @param response
 */
public static void VerificationCode(HttpServletRequest request, HttpServletResponse response) throws Exception {
    response.setHeader("Pragma", "No-cache");
    response.setHeader("Cache-Control", "no-cache");
    response.setDateHeader("Expires", 0);
    // 
    int width = 60, height = 20;
    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

    // ?
    Graphics g = image.getGraphics();

    // ??
    Random random = new Random();

    // 
    g.setColor(getRandColor(200, 250));
    g.fillRect(0, 0, width, height);

    // 
    g.setFont(new Font("Times New Roman", Font.PLAIN, 18));

    // 
    // g.setColor(new Color());
    // g.drawRect(0,0,width-1,height-1);

    // ?155?????
    g.setColor(getRandColor(160, 200));
    for (int i = 0; i < 155; i++) {
        int x = random.nextInt(width);
        int y = random.nextInt(height);
        int xl = random.nextInt(12);
        int yl = random.nextInt(12);
        g.drawLine(x, y, x + xl, y + yl);
    }

    String base = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQUSTUVWXYZ0123456789";
    // ????(4?)
    String sRand = "";
    for (int i = 0; i < 4; i++) {
        int start = random.nextInt(base.length());
        String rand = base.substring(start, start + 1);
        sRand = sRand.concat(rand);
        // ??
        g.setColor(new Color(20 + random.nextInt(110), 20 + random.nextInt(110), 20 + random.nextInt(110)));
        g.drawString(rand, 13 * i + 6, 16);
    }

    // ??SESSION
    request.getSession().setAttribute("entrymrand", sRand);

    // 
    g.dispose();
    OutputStream out = response.getOutputStream();
    // ?
    ImageIO.write(image, "JPEG", out);

    out.flush();
    out.close();
}

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From source file:com.liusoft.dlog4j.util.ImageUtils.java

/**
 * ?//www  . j  a v  a2s.c  om
 * @param orig_img
 * @param obj_filename
 * @param p_width
 * @param p_height
 * @throws IOException
 */
public static String createPreviewImage(InputStream orig_img, String obj_filename, int p_width, int p_height)
        throws IOException {
    String extendName = StringUtils.getFileExtend(obj_filename).toLowerCase();

    FileOutputStream newimage = null;
    InputStream fis = orig_img;
    try {
        if ("gif".equalsIgnoreCase(extendName)) {
            GifImage gifImage = GifDecoder.decode(fis);
            fis.close();
            fis = null;
            GifImage newGif = GifTransformer.resize(gifImage, p_width, p_height, false);
            newimage = new FileOutputStream(obj_filename);
            GifEncoder.encode(newGif, newimage);
        } else {
            BufferedImage orig_portrait = (BufferedImage) ImageIO.read(fis);
            fis.close();
            fis = null;
            // ?JPG?
            BufferedImage bi = new BufferedImage(p_width, p_height, BufferedImage.TYPE_INT_RGB);
            bi.getGraphics().drawImage(orig_portrait, 0, 0, p_width, p_height, null);
            if (!obj_filename.endsWith(".jpg"))
                obj_filename += ".jpg";
            newimage = new FileOutputStream(obj_filename);
            ImageIO.write(bi, "jpg", newimage);
        }
    } finally {
        if (newimage != null)
            newimage.close();
        if (fis != null)
            fis.close();
    }
    return obj_filename;
}

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From source file:FrameDemo2.java

protected static Image createFDImage() {
    // Create a 16x16 pixel image.
    BufferedImage bi = new BufferedImage(16, 16, BufferedImage.TYPE_INT_RGB);

    // Draw into it.
    Graphics g = bi.getGraphics();
    g.setColor(Color.BLACK);//from w w w.  j  a  v a  2 s  .c  o m
    g.fillRect(0, 0, 15, 15);
    g.setColor(Color.RED);
    g.fillOval(5, 3, 6, 6);

    // Clean up.
    g.dispose();

    // Return it.
    return bi;
}

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From source file:de.fhg.igd.swingrcp.SwingRCPUtilities.java

/**
 * Applies the given transparency mask to a buffered image. Always creates a
 * new buffered image containing an alpha channel. Copies the old image into
 * the new one and then sets the alpha pixels according to the given mask.
 * //from  ww  w. j  a  v  a  2 s. c  om
 * @param img the old image
 * @param mask the alpha mask
 * @return the new image with alpha channel applied
 * @throws IllegalArgumentException if the image's size does not match the
 *             mask's size
 */
public static BufferedImage applyTransparencyMask(BufferedImage img, ImageData mask) {
    if (mask.width != img.getWidth() || mask.height != img.getHeight()) {
        throw new IllegalArgumentException("Image size does not match the mask size");
    }

    // copy image and also convert to RGBA
    BufferedImage result = new BufferedImage(img.getWidth(), img.getHeight(), BufferedImage.TYPE_INT_ARGB);
    Graphics g = result.getGraphics();
    g.drawImage(img, 0, 0, null);

    WritableRaster alphaRaster = result.getAlphaRaster();
    int alpha0[] = new int[] { 0 };
    int alpha255[] = new int[] { 255 };
    for (int y = 0; y < img.getHeight(); y++) {
        for (int x = 0; x < img.getWidth(); x++) {
            alphaRaster.setPixel(x, y, mask.getPixel(x, y) == 0 ? alpha0 : alpha255);
        }
    }

    return result;
}

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From source file:com.igormaznitsa.sciareto.ui.UiUtils.java

@Nonnull
public static Image makeBadgedRightBottom(@Nonnull final Image base, @Nonnull final Image badge) {
    final int width = Math.max(base.getWidth(null), badge.getWidth(null));
    final int height = Math.max(base.getHeight(null), badge.getHeight(null));
    final BufferedImage result = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    final Graphics gfx = result.getGraphics();
    try {/* w w  w.j  ava 2  s . co m*/
        gfx.drawImage(base, (width - base.getWidth(null)) / 2, (height - base.getHeight(null)) / 2, null);
        gfx.drawImage(badge, width - badge.getWidth(null) - 1, height - badge.getHeight(null) - 1, null);
    } finally {
        gfx.dispose();
    }
    return result;
}

---

From source file:com.igormaznitsa.sciareto.ui.UiUtils.java

@Nonnull
public static Image makeBadgedRightTop(@Nonnull final Image base, @Nonnull final Image badge) {
    final int width = Math.max(base.getWidth(null), badge.getWidth(null));
    final int height = Math.max(base.getHeight(null), badge.getHeight(null));
    final BufferedImage result = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    final Graphics gfx = result.getGraphics();
    try {//from   w  w w. j  a v a  2 s  .c  o m
        gfx.drawImage(base, (width - base.getWidth(null)) / 2, (height - base.getHeight(null)) / 2, null);
        gfx.drawImage(badge, width - badge.getWidth(null) - 1, 1, null);
    } finally {
        gfx.dispose();
    }
    return result;
}

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From source file:de.fhg.igd.swingrcp.SwingRCPUtilities.java

/**
 * Create a SWT Image from an {@link ImageIcon}
 * //  w  ww. j  a  v a  2 s. c om
 * {@link "http://www.eclipseproject.de/modules.php?name=Forums&file=viewtopic&t=5489"}
 * {@link "http://www.9php.com/FAQ/cxsjl/java/2007/11/5033330101296.html"}
 * 
 * @param icon the {@link ImageIcon}
 * @return the SWT {@link ImageData}
 */
public static ImageData convertToSWT(ImageIcon icon) {
    BufferedImage img = GraphicsUtilities.createCompatibleTranslucentImage(icon.getIconWidth(),
            icon.getIconHeight());

    img.getGraphics().drawImage(icon.getImage(), 0, 0, null);

    return convertToSWT(img);
}

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