Example usage for java.awt Graphics2D setColor

List of usage examples for java.awt Graphics2D setColor

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Introduction

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

Prototype

public abstract void setColor(Color c);

Source Link

Document

Sets this graphics context's current color to the specified color.

Usage

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

public static String getCaptcha(HttpServletRequest request, HttpServletResponse response) {
    try {/*from  w  ww .  j  av a  2 s  . c  o 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:com.github.lucapino.sheetmaker.PreviewJFrame.java

public static BufferedImage makeRoundedCorner(BufferedImage image, int cornerRadius) {
    int w = image.getWidth();
    int h = image.getHeight();
    BufferedImage output = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);

    Graphics2D g2 = output.createGraphics();

    // This is what we want, but it only does hard-clipping, i.e. aliasing
    // g2.setClip(new RoundRectangle2D ...)
    // so instead fake soft-clipping by first drawing the desired clip shape
    // in fully opaque white with antialiasing enabled...
    g2.setComposite(AlphaComposite.Src);
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setColor(Color.WHITE);
    g2.fill(new RoundRectangle2D.Float(0, 0, w, h, cornerRadius, cornerRadius));

    // ... then compositing the image on top,
    // using the white shape from above as alpha source
    g2.setComposite(AlphaComposite.SrcIn);
    g2.drawImage(image, 0, 0, null);/*from ww  w  . ja v a  2 s  .c  o m*/

    g2.dispose();

    return output;
}

From source file:com.zacwolf.commons.email.Email.java

public static BufferedImage makeRoundedBanner(BufferedImage image, int cornerRadius) {
    int w = image.getWidth();
    int h = image.getHeight() + 10;
    BufferedImage output = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = output.createGraphics();
    g2.setComposite(AlphaComposite.Src);
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setColor(Color.WHITE);
    g2.fill(new RoundRectangle2D.Float(0, 0, w, h, cornerRadius, cornerRadius));
    g2.setComposite(AlphaComposite.SrcAtop);
    g2.drawImage(image, 0, 0, null);/*w  w  w .  j a v  a  2 s. c  o m*/
    g2.setComposite(AlphaComposite.SrcOver);
    //               g2.setColor(new Color(153,153,153));//slight grey border
    //               g2.drawRoundRect(0, 0, w-1, h, cornerRadius, cornerRadius);
    g2.dispose();
    return output.getSubimage(0, 0, image.getWidth(), image.getHeight());
}

From source file:com.zacwolf.commons.email.Email.java

public static BufferedImage makeRoundedFooter(int width, int cornerRadius, Color bgcolor, Color border)
        throws Exception {
    int height = (cornerRadius * 2) + 10;
    BufferedImage output = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = output.createGraphics();
    g2.setComposite(AlphaComposite.Src);
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setColor(bgcolor);
    g2.fillRoundRect(0, 0, width, height - 1, cornerRadius, cornerRadius);
    g2.setComposite(AlphaComposite.SrcOver);
    if (border != null) {
        g2.setColor(border);/*from  w  w w  .  java2s.c  o m*/
        g2.drawRoundRect(0, 0, width - 1, height - 2, cornerRadius, cornerRadius);
    }
    g2.dispose();
    Rectangle clip = createClip(output, new Dimension(width, cornerRadius), 0, height - cornerRadius - 1);
    return output.getSubimage(clip.x, clip.y, clip.width, clip.height);
}

From source file:com.piaoyou.util.ImageUtil.java

public static BufferedImage getProductionImage(String productVersion, String productRealeaseDate) {

    String str = productVersion + " on " + productRealeaseDate;
    int IMAGE_WIDTH = 250;
    int IMAGE_HEIGHT = 30;

    BufferedImage bufferedImage = new BufferedImage(IMAGE_WIDTH, IMAGE_HEIGHT, BufferedImage.TYPE_INT_RGB);
    Graphics2D g = bufferedImage.createGraphics();
    g.setBackground(Color.blue);/*from   w ww.j  av a  2 s  .  com*/
    g.setColor(Color.white);
    g.draw3DRect(0, 0, IMAGE_WIDTH, IMAGE_HEIGHT, false);
    FontMetrics fontMetrics = g.getFontMetrics();
    int strWidth = fontMetrics.stringWidth(str);
    int strHeight = fontMetrics.getAscent() + fontMetrics.getDescent();
    g.drawString(str, (IMAGE_WIDTH - strWidth) / 2,
            IMAGE_HEIGHT - ((IMAGE_HEIGHT - strHeight) / 2) - fontMetrics.getDescent());
    g.dispose(); // free resource
    return bufferedImage;
}

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

/**
 * ?????????/*from  ww w  .  java  2s  .  c o  m*/
 * 
 * @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:com.aimluck.eip.fileupload.util.FileuploadUtils.java

public static BufferedImage transformImage(BufferedImage image, AffineTransform transform, int newWidth,
        int newHeight) throws Exception {

    AffineTransformOp op = new AffineTransformOp(transform, AffineTransformOp.TYPE_BICUBIC);

    BufferedImage destinationImage = new BufferedImage(newWidth, newHeight, image.getType());
    Graphics2D g = destinationImage.createGraphics();
    g.setColor(Color.WHITE);

    destinationImage = op.filter(image, destinationImage);

    return destinationImage;
}

From source file:Hexagon.java

public static BufferedImage drawCodePoint(char codePoint, int width, int height, Font font, Color color) {
    BufferedImage img = createImage(width, height);
    Graphics2D g2 = img.createGraphics();
    String text = "" + codePoint;
    g2.setColor(color);
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    GlyphVector gv = font.createGlyphVector(g2.getFontRenderContext(), text);
    g2.drawGlyphVector(gv, 0f, (float) gv.getGlyphMetrics(0).getBounds2D().getHeight());
    return img;/*from   w  w  w.  j ava2s  .c  om*/
}

From source file:com.ricemap.spateDB.operations.Plot.java

public static <S extends Shape> void plotLocal(Path inFile, Path outFile, S shape, int width, int height,
        Color color, boolean showBorders, boolean showBlockCount, boolean showRecordCount) throws IOException {
    FileSystem inFs = inFile.getFileSystem(new Configuration());
    Prism fileMbr = FileMBR.fileMBRLocal(inFs, inFile, shape);
    LOG.info("FileMBR: " + fileMbr);

    // Adjust width and height to maintain aspect ratio
    if ((fileMbr.x2 - fileMbr.x1) / (fileMbr.y2 - fileMbr.y1) > (double) width / height) {
        // Fix width and change height
        height = (int) ((fileMbr.y2 - fileMbr.y1) * width / (fileMbr.x2 - fileMbr.x1));
    } else {/*from www  .  j av  a 2 s . c om*/
        width = (int) ((fileMbr.x2 - fileMbr.x1) * height / (fileMbr.y2 - fileMbr.y1));
    }

    double scale2 = (double) width * height / ((double) (fileMbr.x2 - fileMbr.x1) * (fileMbr.y2 - fileMbr.y1));

    // Create an image
    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics2D graphics = image.createGraphics();
    Color bg_color = new Color(0, 0, 0, 0);
    graphics.setBackground(bg_color);
    graphics.clearRect(0, 0, width, height);
    graphics.setColor(color);

    long fileLength = inFs.getFileStatus(inFile).getLen();
    ShapeRecordReader<S> reader = new ShapeRecordReader<S>(inFs.open(inFile), 0, fileLength);

    Prism cell = reader.createKey();
    while (reader.next(cell, shape)) {
        drawShape(graphics, shape, fileMbr, width, height, scale2);
    }

    reader.close();
    graphics.dispose();
    FileSystem outFs = outFile.getFileSystem(new Configuration());
    OutputStream out = outFs.create(outFile, true);
    ImageIO.write(image, "png", out);
    out.close();
}

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;
    }/*from  ww w  .j  a v  a 2s .c  o m*/
    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());
}