Example usage for java.awt Graphics2D fillRect

Introduction

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

Prototype

public abstract void fillRect(int x, int y, int width, int height);

Source Link

Document

Fills the specified rectangle.

Usage

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

public static void clearImage(BufferedImage image) {

    if (image == null) {
        return;/*from   w  w w . java2  s .com*/
    }

    Graphics2D g = null;
    try {

        g = (Graphics2D) image.getGraphics();
        Composite oldComposite = g.getComposite();

        g.setComposite(AlphaComposite.Clear);

        g.fillRect(0, 0, image.getWidth(), image.getHeight());

        g.setComposite(oldComposite);
    } finally {
        if (g != null) {
            g.dispose();
        }
    }
}

---

From source file:org.mrgeo.resources.tms.TileMapServiceResource.java

protected static Response createEmptyTile(final ImageResponseWriter writer, final int width, final int height) {
    // return an empty image
    final int dataType;
    if (writer.getResponseMimeType().equals("image/jpeg")) {
        dataType = BufferedImage.TYPE_3BYTE_BGR;
    } else {//www .java2  s  . co m
        // dataType = BufferedImage.TYPE_INT_ARGB;
        dataType = BufferedImage.TYPE_4BYTE_ABGR;
    }

    final BufferedImage bufImg = new BufferedImage(width, height, dataType);
    final Graphics2D g = bufImg.createGraphics();
    g.setColor(new Color(0, 0, 0, 0));
    g.fillRect(0, 0, width, height);
    g.dispose();

    return writer.write(bufImg.getData()).build();
}

---

From source file:org.apache.ofbiz.common.CommonEvents.java

public static String getCaptcha(HttpServletRequest request, HttpServletResponse response) {
    try {/*ww w  . j  av  a  2  s .co m*/
        Delegator delegator = (Delegator) request.getAttribute("delegator");
        final String captchaSizeConfigName = StringUtils.defaultIfEmpty(request.getParameter("captchaSize"),
                "default");
        final String captchaSizeConfig = EntityUtilProperties.getPropertyValue("captcha",
                "captcha." + captchaSizeConfigName, delegator);
        final String[] captchaSizeConfigs = captchaSizeConfig.split("\\|");
        final String captchaCodeId = StringUtils.defaultIfEmpty(request.getParameter("captchaCodeId"), ""); // this is used to uniquely identify in the user session the attribute where the captcha code for the last captcha for the form is stored

        final int fontSize = Integer.parseInt(captchaSizeConfigs[0]);
        final int height = Integer.parseInt(captchaSizeConfigs[1]);
        final int width = Integer.parseInt(captchaSizeConfigs[2]);
        final int charsToPrint = UtilProperties.getPropertyAsInteger("captcha", "captcha.code_length", 6);
        final char[] availableChars = EntityUtilProperties
                .getPropertyValue("captcha", "captcha.characters", delegator).toCharArray();

        //It is possible to pass the font size, image width and height with the request as well
        Color backgroundColor = Color.gray;
        Color borderColor = Color.DARK_GRAY;
        Color textColor = Color.ORANGE;
        Color circleColor = new Color(160, 160, 160);
        Font textFont = new Font("Arial", Font.PLAIN, fontSize);
        int circlesToDraw = 6;
        float horizMargin = 20.0f;
        double rotationRange = 0.7; // in radians
        BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

        Graphics2D g = (Graphics2D) bufferedImage.getGraphics();

        g.setColor(backgroundColor);
        g.fillRect(0, 0, width, height);

        //Generating some circles for background noise
        g.setColor(circleColor);
        for (int i = 0; i < circlesToDraw; i++) {
            int circleRadius = (int) (Math.random() * height / 2.0);
            int circleX = (int) (Math.random() * width - circleRadius);
            int circleY = (int) (Math.random() * height - circleRadius);
            g.drawOval(circleX, circleY, circleRadius * 2, circleRadius * 2);
        }
        g.setColor(textColor);
        g.setFont(textFont);

        FontMetrics fontMetrics = g.getFontMetrics();
        int maxAdvance = fontMetrics.getMaxAdvance();
        int fontHeight = fontMetrics.getHeight();

        String captchaCode = RandomStringUtils.random(6, availableChars);

        float spaceForLetters = -horizMargin * 2 + width;
        float spacePerChar = spaceForLetters / (charsToPrint - 1.0f);

        for (int i = 0; i < captchaCode.length(); i++) {

            // this is a separate canvas used for the character so that
            // we can rotate it independently
            int charWidth = fontMetrics.charWidth(captchaCode.charAt(i));
            int charDim = Math.max(maxAdvance, fontHeight);
            int halfCharDim = (charDim / 2);

            BufferedImage charImage = new BufferedImage(charDim, charDim, BufferedImage.TYPE_INT_ARGB);
            Graphics2D charGraphics = charImage.createGraphics();
            charGraphics.translate(halfCharDim, halfCharDim);
            double angle = (Math.random() - 0.5) * rotationRange;
            charGraphics.transform(AffineTransform.getRotateInstance(angle));
            charGraphics.translate(-halfCharDim, -halfCharDim);
            charGraphics.setColor(textColor);
            charGraphics.setFont(textFont);

            int charX = (int) (0.5 * charDim - 0.5 * charWidth);
            charGraphics.drawString("" + captchaCode.charAt(i), charX,
                    ((charDim - fontMetrics.getAscent()) / 2 + fontMetrics.getAscent()));

            float x = horizMargin + spacePerChar * (i) - charDim / 2.0f;
            int y = ((height - charDim) / 2);

            g.drawImage(charImage, (int) x, y, charDim, charDim, null, null);

            charGraphics.dispose();
        }
        // Drawing the image border
        g.setColor(borderColor);
        g.drawRect(0, 0, width - 1, height - 1);
        g.dispose();
        response.setContentType("image/jpeg");
        ImageIO.write(bufferedImage, "jpg", response.getOutputStream());
        HttpSession session = request.getSession();
        Map<String, String> captchaCodeMap = UtilGenerics.checkMap(session.getAttribute("_CAPTCHA_CODE_"));
        if (captchaCodeMap == null) {
            captchaCodeMap = new HashMap<String, String>();
            session.setAttribute("_CAPTCHA_CODE_", captchaCodeMap);
        }
        captchaCodeMap.put(captchaCodeId, captchaCode);
    } catch (Exception ioe) {
        Debug.logError(ioe.getMessage(), module);
    }
    return "success";
}

---

From source file:org.ofbiz.common.CommonEvents.java

public static String getCaptcha(HttpServletRequest request, HttpServletResponse response) {
    try {/*from  www.j  a v  a  2 s.  c om*/
        Delegator delegator = (Delegator) request.getAttribute("delegator");
        final String captchaSizeConfigName = StringUtils.defaultIfEmpty(request.getParameter("captchaSize"),
                "default");
        final String captchaSizeConfig = EntityUtilProperties.getPropertyValue("captcha.properties",
                "captcha." + captchaSizeConfigName, delegator);
        final String[] captchaSizeConfigs = captchaSizeConfig.split("\\|");
        final String captchaCodeId = StringUtils.defaultIfEmpty(request.getParameter("captchaCodeId"), ""); // this is used to uniquely identify in the user session the attribute where the captcha code for the last captcha for the form is stored

        final int fontSize = Integer.parseInt(captchaSizeConfigs[0]);
        final int height = Integer.parseInt(captchaSizeConfigs[1]);
        final int width = Integer.parseInt(captchaSizeConfigs[2]);
        final int charsToPrint = UtilProperties.getPropertyAsInteger("captcha.properties",
                "captcha.code_length", 6);
        final char[] availableChars = EntityUtilProperties
                .getPropertyValue("captcha.properties", "captcha.characters", delegator).toCharArray();

        //It is possible to pass the font size, image width and height with the request as well
        Color backgroundColor = Color.gray;
        Color borderColor = Color.DARK_GRAY;
        Color textColor = Color.ORANGE;
        Color circleColor = new Color(160, 160, 160);
        Font textFont = new Font("Arial", Font.PLAIN, fontSize);
        int circlesToDraw = 6;
        float horizMargin = 20.0f;
        double rotationRange = 0.7; // in radians
        BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

        Graphics2D g = (Graphics2D) bufferedImage.getGraphics();

        g.setColor(backgroundColor);
        g.fillRect(0, 0, width, height);

        //Generating some circles for background noise
        g.setColor(circleColor);
        for (int i = 0; i < circlesToDraw; i++) {
            int circleRadius = (int) (Math.random() * height / 2.0);
            int circleX = (int) (Math.random() * width - circleRadius);
            int circleY = (int) (Math.random() * height - circleRadius);
            g.drawOval(circleX, circleY, circleRadius * 2, circleRadius * 2);
        }
        g.setColor(textColor);
        g.setFont(textFont);

        FontMetrics fontMetrics = g.getFontMetrics();
        int maxAdvance = fontMetrics.getMaxAdvance();
        int fontHeight = fontMetrics.getHeight();

        String captchaCode = RandomStringUtils.random(6, availableChars);

        float spaceForLetters = -horizMargin * 2 + width;
        float spacePerChar = spaceForLetters / (charsToPrint - 1.0f);

        for (int i = 0; i < captchaCode.length(); i++) {

            // this is a separate canvas used for the character so that
            // we can rotate it independently
            int charWidth = fontMetrics.charWidth(captchaCode.charAt(i));
            int charDim = Math.max(maxAdvance, fontHeight);
            int halfCharDim = (charDim / 2);

            BufferedImage charImage = new BufferedImage(charDim, charDim, BufferedImage.TYPE_INT_ARGB);
            Graphics2D charGraphics = charImage.createGraphics();
            charGraphics.translate(halfCharDim, halfCharDim);
            double angle = (Math.random() - 0.5) * rotationRange;
            charGraphics.transform(AffineTransform.getRotateInstance(angle));
            charGraphics.translate(-halfCharDim, -halfCharDim);
            charGraphics.setColor(textColor);
            charGraphics.setFont(textFont);

            int charX = (int) (0.5 * charDim - 0.5 * charWidth);
            charGraphics.drawString("" + captchaCode.charAt(i), charX,
                    ((charDim - fontMetrics.getAscent()) / 2 + fontMetrics.getAscent()));

            float x = horizMargin + spacePerChar * (i) - charDim / 2.0f;
            int y = ((height - charDim) / 2);

            g.drawImage(charImage, (int) x, y, charDim, charDim, null, null);

            charGraphics.dispose();
        }
        // Drawing the image border
        g.setColor(borderColor);
        g.drawRect(0, 0, width - 1, height - 1);
        g.dispose();
        response.setContentType("image/jpeg");
        ImageIO.write(bufferedImage, "jpg", response.getOutputStream());
        HttpSession session = request.getSession();
        Map<String, String> captchaCodeMap = UtilGenerics.checkMap(session.getAttribute("_CAPTCHA_CODE_"));
        if (captchaCodeMap == null) {
            captchaCodeMap = new HashMap<String, String>();
            session.setAttribute("_CAPTCHA_CODE_", captchaCodeMap);
        }
        captchaCodeMap.put(captchaCodeId, captchaCode);
    } catch (Exception ioe) {
        Debug.logError(ioe.getMessage(), module);
    }
    return "success";
}

---

From source file:com.aimluck.eip.fileupload.util.FileuploadUtils.java

/**
 * ?????????//  w  w w .j a va  2s. c om
 * 
 * @param imgfile
 * @param dim
 * @return
 */
public static BufferedImage shrinkImage(BufferedImage imgfile, int width, int height) {

    int iwidth = imgfile.getWidth();
    int iheight = imgfile.getHeight();

    double ratio = Math.min((double) width / (double) iwidth, (double) height / (double) iheight);
    int shrinkedWidth = (int) (iwidth * ratio);
    int shrinkedHeight = (int) (iheight * ratio);

    // ??
    Image targetImage = imgfile.getScaledInstance(shrinkedWidth, shrinkedHeight, Image.SCALE_AREA_AVERAGING);
    BufferedImage tmpImage = new BufferedImage(targetImage.getWidth(null), targetImage.getHeight(null),
            BufferedImage.TYPE_3BYTE_BGR);
    Graphics2D g = tmpImage.createGraphics();
    g.setColor(Color.WHITE);
    g.fillRect(0, 0, shrinkedWidth, shrinkedHeight);
    g.drawImage(targetImage, 0, 0, null);

    return tmpImage;
}

---

From source file:net.pms.util.UMSUtils.java

@SuppressWarnings("deprecation")
public static InputStream scaleThumb(InputStream in, RendererConfiguration r) throws IOException {
    if (in == null) {
        return in;
    }//  w  w  w  .  j a  v  a  2 s.c  om
    String ts = r.getThumbSize();
    if (StringUtils.isEmpty(ts) && StringUtils.isEmpty(r.getThumbBG())) {
        // no need to convert here
        return in;
    }
    int w;
    int h;
    Color col = null;
    BufferedImage img;
    try {
        img = ImageIO.read(in);
    } catch (Exception e) {
        // catch whatever is thrown at us
        // we can at least log it
        LOGGER.debug("couldn't read thumb to manipulate it " + e);
        img = null; // to make sure
    }
    if (img == null) {
        return in;
    }
    w = img.getWidth();
    h = img.getHeight();
    if (StringUtils.isNotEmpty(ts)) {
        // size limit thumbnail
        w = getHW(ts.split("x"), 0);
        h = getHW(ts.split("x"), 1);
        if (w == 0 || h == 0) {
            LOGGER.debug("bad thumb size {} skip scaling", ts);
            w = h = 0; // just to make sure
        }
    }
    if (StringUtils.isNotEmpty(r.getThumbBG())) {
        try {
            Field field = Color.class.getField(r.getThumbBG());
            col = (Color) field.get(null);
        } catch (Exception e) {
            LOGGER.debug("bad color name " + r.getThumbBG());
        }
    }
    if (w == 0 && h == 0 && col == null) {
        return in;
    }
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    BufferedImage img1 = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
    Graphics2D g = img1.createGraphics();
    if (col != null) {
        g.setColor(col);
    }
    g.fillRect(0, 0, w, h);
    g.drawImage(img, 0, 0, w, h, null);
    ImageIO.write(img1, "jpeg", out);
    out.flush();
    return new ByteArrayInputStream(out.toByteArray());
}

---

From source file:weka.core.ChartUtils.java

/**
 * Render a combined histogram and pie chart from summary data
 * //w ww .j  av  a2s. c om
 * @param width the width of the resulting image
 * @param height the height of the resulting image
 * @param values the values for the chart
 * @param freqs the corresponding frequencies
 * @param additionalArgs optional arguments to the renderer (may be null)
 * @return a buffered image
 * @throws Exception if a problem occurs
 */
public static BufferedImage renderCombinedPieAndHistogramFromSummaryData(int width, int height,
        List<String> values, List<Double> freqs, List<String> additionalArgs) throws Exception {

    String plotTitle = "Combined Chart";
    String userTitle = getOption(additionalArgs, "-title");
    plotTitle = (userTitle != null) ? userTitle : plotTitle;

    List<String> opts = new ArrayList<String>();
    opts.add("-title=distribution");
    BufferedImage pie = renderPieChartFromSummaryData(width / 2, height, values, freqs, false, true, opts);

    opts.clear();
    opts.add("-title=histogram");
    BufferedImage hist = renderHistogramFromSummaryData(width / 2, height, values, freqs, opts);

    BufferedImage img = new BufferedImage(width, height + 20, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = img.createGraphics();
    g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_GASP);
    g2d.setFont(new Font("SansSerif", Font.BOLD, 12));
    g2d.setColor(Color.lightGray);
    g2d.fillRect(0, 0, width, height + 20);
    g2d.setColor(Color.black);
    FontMetrics fm = g2d.getFontMetrics();
    int fh = fm.getHeight();
    int sw = fm.stringWidth(plotTitle);

    g2d.drawImage(pie, 0, 20, null);
    g2d.drawImage(hist, width / 2 + 1, 20, null);
    g2d.drawString(plotTitle, width / 2 - sw / 2, fh + 2);
    g2d.dispose();

    return img;
}

---

From source file:weka.core.ChartUtils.java

/**
 * Render a combined histogram and box plot chart from summary data
 * /*w w w  . j a v  a2s  .  c o  m*/
 * @param width the width of the resulting image
 * @param height the height of the resulting image
 * @param bins the values for the chart
 * @param freqs the corresponding frequencies
 * @param summary the summary stats for the box plot
 * @param outliers an optional list of outliers for the box plot
 * @param additionalArgs optional arguments to the renderer (may be null)
 * @return a buffered image
 * @throws Exception if a problem occurs
 */
public static BufferedImage renderCombinedBoxPlotAndHistogramFromSummaryData(int width, int height,
        List<String> bins, List<Double> freqs, List<Double> summary, List<Double> outliers,
        List<String> additionalArgs) throws Exception {

    String plotTitle = "Combined Chart";
    String userTitle = getOption(additionalArgs, "-title");
    plotTitle = (userTitle != null) ? userTitle : plotTitle;

    List<String> opts = new ArrayList<String>();
    opts.add("-title=histogram");
    BufferedImage hist = renderHistogramFromSummaryData(width / 2, height, bins, freqs, opts);
    opts.clear();
    opts.add("-title=box plot");
    BufferedImage box = null;
    try {
        box = renderBoxPlotFromSummaryData(width / 2, height, summary, outliers, opts);
    } catch (Exception ex) {
        // if we can't generate the box plot (i.e. probably because
        // data is 100% missing) then just return the histogram
    }

    if (box == null) {
        width /= 2;
    }
    BufferedImage img = new BufferedImage(width, height + 20, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = img.createGraphics();
    g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_GASP);
    g2d.setFont(new Font("SansSerif", Font.BOLD, 12));
    g2d.setColor(Color.lightGray);
    g2d.fillRect(0, 0, width, height + 20);
    g2d.setColor(Color.black);
    FontMetrics fm = g2d.getFontMetrics();
    int fh = fm.getHeight();
    int sw = fm.stringWidth(plotTitle);

    if (box != null) {
        g2d.drawImage(box, 0, 20, null);
        g2d.drawImage(hist, width / 2 + 1, 20, null);
    } else {
        g2d.drawImage(hist, 0, 20, null);
    }
    g2d.drawString(plotTitle, width / 2 - sw / 2, fh + 2);
    g2d.dispose();

    return img;
}

---

From source file:main.java.whiteSocket.Bloop.java

public static BufferedImage createWhiteImage() {
    BufferedImage testOut = new BufferedImage(Bloop.blooprint.getWidth(), Bloop.blooprint.getHeight(),
            BufferedImage.TYPE_INT_RGB);
    Graphics2D graphics = testOut.createGraphics();
    graphics.setPaint(Color.white);
    graphics.fillRect(0, 0, testOut.getWidth(), testOut.getHeight());
    return testOut;
}

---

From source file:com.sun.socialsite.util.ImageUtil.java

public static BufferedImage getScaledImage(BufferedImage origImage, Integer desiredWidth, Integer desiredHeight)
        throws IOException {

    if (origImage == null) {
        return null;
    }/*from w w  w  .  ja  v a 2s  .  c o m*/

    if (desiredWidth == null) {
        desiredWidth = origImage.getWidth();
    }

    if (desiredHeight == null) {
        desiredHeight = origImage.getHeight();
    }

    int origWidth = origImage.getWidth();
    int origHeight = origImage.getHeight();

    double ratio = Math.min((((double) desiredWidth) / origWidth), (((double) desiredHeight) / origHeight));

    int extraWidth = desiredWidth - ((int) (origWidth * ratio));
    int extraHeight = desiredHeight - ((int) (origHeight * ratio));

    int tmpWidth = (desiredWidth - extraWidth);
    int tmpHeight = (desiredHeight - extraHeight);
    BufferedImage tmpImage = getScaledInstance(origImage, tmpWidth, tmpHeight,
            RenderingHints.VALUE_INTERPOLATION_BICUBIC, true);

    log.debug(String.format("tmpImage[width=%d height=%d", tmpImage.getWidth(), tmpImage.getHeight()));

    if ((tmpImage.getWidth() == desiredWidth) && (tmpImage.getHeight() == desiredHeight)) {
        return tmpImage;
    } else {
        BufferedImage scaledImage = new BufferedImage(desiredWidth, desiredHeight, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g2d = scaledImage.createGraphics();
        g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);

        // We recalculate these in case scaling didn't quite hit its targets
        extraWidth = desiredWidth - tmpImage.getWidth();
        extraHeight = desiredHeight - tmpImage.getHeight();

        int dx1 = extraWidth / 2;
        int dy1 = extraHeight / 2;
        int dx2 = desiredWidth - dx1;
        int dy2 = desiredWidth - dy1;

        // transparent background
        g2d.setColor(new Color(0, 0, 0, 0));
        g2d.fillRect(0, 0, desiredWidth, desiredHeight);

        g2d.drawImage(tmpImage, dx1, dy1, dx2, dy2, null);
        return scaledImage;
    }
}

---

• «
• 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
• »