Example usage for java.awt Graphics2D setColor

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:TexturedPanel.java

/**
 * Creates a new TexturePaint using the provided colors.
 *//* w ww  . j a va  2 s. c o m*/
private void setupDefaultPainter(Color foreground, Color background) {
    if (foreground == null || background == null) {
        ourPainter = null;
        return;
    }

    BufferedImage buff = new BufferedImage(6, 6, BufferedImage.TYPE_INT_ARGB_PRE);

    Graphics2D g2 = buff.createGraphics();

    g2.setColor(background);
    g2.fillRect(0, 0, 6, 6);

    g2.setColor(foreground);
    g2.drawLine(0, 2, 6, 2);
    g2.drawLine(0, 5, 6, 5);

    ourPainter = new TexturePaint(buff, new Rectangle(0, 0, 6, 6));

    g2.dispose();
}

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From source file:com.tremolosecurity.scale.totp.TotpController.java

@PostConstruct
public void init() {
    this.error = null;
    HttpServletRequest request = (HttpServletRequest) FacesContext.getCurrentInstance().getExternalContext()
            .getRequest();/*from   w  ww  .jav a 2  s. c o  m*/

    this.scaleTotpConfig = (ScaleTOTPConfigType) commonConfig.getScaleConfig();

    this.login = request.getRemoteUser();

    UnisonUserData userData;
    try {
        userData = this.scaleSession.loadUserFromUnison(this.login,
                new AttributeData(scaleTotpConfig.getServiceConfiguration().getLookupAttributeName(),
                        scaleTotpConfig.getUiConfig().getDisplayNameAttribute(),
                        scaleTotpConfig.getAttributeName()));
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        return;
    }

    this.user = userData.getUserObj();

    this.displayName = userData.getUserObj().getDisplayName();

    ScaleAttribute scaleAttr = userData.getUserObj().getAttrs().get(scaleTotpConfig.getAttributeName());
    if (scaleAttr == null) {
        if (logger.isDebugEnabled())
            logger.debug("no sattribute");
        this.error = "Token not found";
        return;
    }

    this.encryptedToken = scaleAttr.getValue();

    try {
        byte[] decryptionKeyBytes = Base64.decodeBase64(scaleTotpConfig.getDecryptionKey().getBytes("UTF-8"));
        SecretKey decryptionKey = new SecretKeySpec(decryptionKeyBytes, 0, decryptionKeyBytes.length, "AES");

        Gson gson = new Gson();
        Token token = gson.fromJson(new String(Base64.decodeBase64(this.encryptedToken.getBytes("UTF-8"))),
                Token.class);
        byte[] iv = org.bouncycastle.util.encoders.Base64.decode(token.getIv());
        IvParameterSpec spec = new IvParameterSpec(iv);
        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
        cipher.init(Cipher.DECRYPT_MODE, decryptionKey, spec);

        String decryptedJSON = new String(
                cipher.doFinal(Base64.decodeBase64(token.getEncryptedRequest().getBytes("UTF-8"))));

        if (logger.isDebugEnabled())
            logger.debug(decryptedJSON);

        TOTPKey totp = gson.fromJson(decryptedJSON, TOTPKey.class);

        this.otpURL = "otpauth://totp/" + totp.getUserName() + "@" + totp.getHost() + "?secret="
                + totp.getSecretKey();

    } catch (Exception e) {
        e.printStackTrace();
        this.error = "Could not decrypt token";
    }

    try {
        int size = 250;
        Hashtable<EncodeHintType, ErrorCorrectionLevel> hintMap = new Hashtable<EncodeHintType, ErrorCorrectionLevel>();
        hintMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);
        QRCodeWriter qrCodeWriter = new QRCodeWriter();
        BitMatrix byteMatrix = qrCodeWriter.encode(this.otpURL, BarcodeFormat.QR_CODE, size, size, hintMap);
        int CrunchifyWidth = byteMatrix.getWidth();
        BufferedImage image = new BufferedImage(CrunchifyWidth, CrunchifyWidth, BufferedImage.TYPE_INT_RGB);
        image.createGraphics();

        Graphics2D graphics = (Graphics2D) image.getGraphics();
        graphics.setColor(Color.WHITE);
        graphics.fillRect(0, 0, CrunchifyWidth, CrunchifyWidth);
        graphics.setColor(Color.BLACK);

        for (int i = 0; i < CrunchifyWidth; i++) {
            for (int j = 0; j < CrunchifyWidth; j++) {
                if (byteMatrix.get(i, j)) {
                    graphics.fillRect(i, j, 1, 1);
                }
            }
        }

        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        ImageIO.write(image, "png", baos);

        this.encodedQRCode = new String(Base64.encodeBase64(baos.toByteArray()));
    } catch (Exception e) {
        e.printStackTrace();
        this.error = "Could not encode QR Code";
    }

}

---

From source file:AreaSubtract.java

public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;
    double halfWdith = getSize().width / 2;
    double halfHeight = getSize().height / 2;

    stem.setFrame(halfWdith, halfHeight - 42, 40.0, 40.0);
    st1 = new Area(stem);
    stem.setFrame(halfWdith + 3, halfHeight - 47, 50.0, 50.0);
    st2 = new Area(stem);
    st1.subtract(st2);/*from   www.  j a va 2  s  .  com*/
    g2.fill(st1);

    g2.setColor(Color.yellow);

}

---

From source file:org.shredzone.commons.captcha.impl.DefaultCaptchaGenerator.java

@Override
public BufferedImage createCaptcha(char[] text) {
    if (text == null || text.length == 0) {
        throw new IllegalArgumentException("No captcha text given");
    }/*from www  .j  av a2 s.c  om*/

    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2d = image.createGraphics();
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2d.setBackground(Color.WHITE);
    g2d.setColor(Color.BLACK);

    clearCanvas(g2d);

    if (showGrid) {
        drawGrid(g2d);
    }

    int charMaxWidth = width / text.length;
    int xPos = 0;
    for (char ch : text) {
        drawCharacter(g2d, ch, xPos, charMaxWidth);
        xPos += charMaxWidth;
    }

    g2d.dispose();
    return image;
}

---

From source file:facebean.FaceBean.java

@Override
public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    // Face/*from   ww w . java  2 s .  c  om*/
    int w = getWidth();
    int h = getHeight();
    int pad = 12;
    int cw = w - pad * 2;
    int ch = h - pad * 2;
    g2.setColor(getBackground());
    g2.fillArc(pad, pad, cw, ch, 0, 360);
    g2.setColor(getForeground());
    g2.drawArc(pad, pad, cw, ch, 0, 360);
    // Mouth
    int sw = cw / 2;
    int sh = ch / 2;
    if (mSmile == true)
        g2.drawArc(w / 2 - sw / 2, h / 2 - sh / 2, sw, sh, 270 - mMouthWidth / 2, mMouthWidth);
    else
        g2.drawArc(w / 2 - sw / 2, h / 2 + sh / 3, sw, sh, 90 - mMouthWidth / 2, mMouthWidth);
    // Eyes
    int er = 4;
    g2.fillArc(w / 2 - cw * 1 / 8 - er / 2, h / 2 - ch / 4 - er, er, er, 0, 360);
    g2.fillArc(w / 2 + cw * 1 / 8 - er / 2, h / 2 - ch / 4 - er, er, er, 0, 360);
}

---

From source file:Composite.java

public void paintComponent(Graphics g) {
    super.paintComponent(g);
    Graphics2D g2 = (Graphics2D) g;

    Dimension d = getSize();/*from  w ww  .jav  a 2 s.  c o m*/
    int w = d.width;
    int h = d.height;

    BufferedImage buffImg = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
    Graphics2D gbi = buffImg.createGraphics();

    g2.setColor(Color.white);
    g2.fillRect(0, 0, d.width, d.height);

    int rectx = w / 4;
    int recty = h / 4;

    gbi.setColor(new Color(0.0f, 0.0f, 1.0f, 1.0f));
    gbi.fill(new Rectangle2D.Double(rectx, recty, 150, 100));
    gbi.setColor(new Color(1.0f, 0.0f, 0.0f, 1.0f));
    gbi.setComposite(ac);
    gbi.fill(new Ellipse2D.Double(rectx + rectx / 2, recty + recty / 2, 150, 100));

    g2.drawImage(buffImg, null, 0, 0);
}

---

From source file:TexturedPanel.java

/**
 * Creates a new TexturePaint using the provided colors and texture map.
 *//* w  ww . ja va  2s.c  om*/
private void setupTexturePainter(Color foreground, Color background, boolean[][] texture, int scale) {
    if (texture == null || texture.length < 1 || texture[0].length < 1) {
        setupDefaultPainter(foreground, background);
        return;
    }

    else if (foreground == null || background == null) {
        ourPainter = null;
        return;
    }

    scale = Math.max(1, scale);
    int w = texture[0].length;
    int h = texture.length;

    BufferedImage buff = new BufferedImage(w * scale, h * scale, BufferedImage.TYPE_INT_ARGB_PRE);

    Graphics2D g2 = buff.createGraphics();

    g2.setColor(background);
    g2.fillRect(0, 0, w * scale, h * scale);

    g2.setColor(foreground);
    for (int i = 0; i < h; i++) {
        for (int j = 0; j < w; j++) {
            try {
                if (texture[i][j])
                    g2.fillRect(j * scale, i * scale, scale, scale);
            }
            // g2.drawLine(j, i, j, i); }
            catch (ArrayIndexOutOfBoundsException aob) {
            }
        }
    }

    ourPainter = new TexturePaint(buff, new Rectangle(0, 0, w * scale, h * scale));

    g2.dispose();
}

---

From source file:net.technicpack.ui.lang.ResourceLoader.java

public BufferedImage colorImage(BufferedImage loadImg, Color color) {
    BufferedImage img = new BufferedImage(loadImg.getWidth(), loadImg.getHeight(), BufferedImage.TRANSLUCENT);
    Graphics2D graphics = img.createGraphics();

    graphics.setColor(color);
    graphics.drawImage(loadImg, null, 0, 0);
    graphics.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_IN, 1.0f));
    graphics.fillRect(0, 0, loadImg.getWidth(), loadImg.getHeight());

    graphics.dispose();//from  w  ww .  j  ava  2  s . c  om
    return img;
}

---

From source file:net.sf.dynamicreports.jasper.builder.JasperConcatenatedReportBuilder.java

public JasperConcatenatedReportBuilder toPng(OutputStream outputStream, float zoom) throws DRException {
    Validate.notNull(outputStream, "outputStream must not be null");
    Validate.isTrue(zoom > 0, "zoom must be > 0");

    int maxWidth = 0;
    int maxHeight = 0;

    for (JasperPrint jasperPrint : jasperReportHandler.getPrintList()) {
        int pages = jasperPrint.getPages().size();
        int pageWidth = (int) (jasperPrint.getPageWidth() * zoom);
        maxWidth += pageWidth * pages + (pages - 1) + 2;
        int height = (int) (jasperPrint.getPageHeight() * zoom) + 2;
        if (height > maxHeight) {
            maxHeight = height;/*from  w  w w  .ja v  a2  s .c  o m*/
        }
    }

    Image pageImage = new BufferedImage(maxWidth, maxHeight, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2d = (Graphics2D) pageImage.getGraphics();
    g2d.setColor(Color.LIGHT_GRAY);
    g2d.fill(new Rectangle2D.Float(1, 1, maxWidth - 1, maxHeight - 1));

    int offset = 1;
    for (JasperPrint jasperPrint : jasperReportHandler.getPrintList()) {
        int pageWidth = (int) (jasperPrint.getPageWidth() * zoom);
        for (int i = 0; i < jasperPrint.getPages().size(); i++) {
            try {
                JRGraphics2DExporter exporter = new JRGraphics2DExporter();
                exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
                exporter.setParameter(JRGraphics2DExporterParameter.GRAPHICS_2D, pageImage.getGraphics());
                exporter.setParameter(JRGraphics2DExporterParameter.OFFSET_X, offset);
                exporter.setParameter(JRGraphics2DExporterParameter.OFFSET_Y, 1);
                exporter.setParameter(JRExporterParameter.PAGE_INDEX, new Integer(i));
                exporter.setParameter(JRGraphics2DExporterParameter.ZOOM_RATIO, new Float(zoom));
                exporter.exportReport();
                offset += pageWidth + 1;
            } catch (JRException e) {
                throw new DRException(e);
            }
        }
    }
    try {
        ImageIO.write((RenderedImage) pageImage, "png", outputStream);
    } catch (IOException e) {
        throw new DRException(e);
    }
    return this;
}

---

From source file:c.depthchart.ViewerPanel.java

private void writeStats(Graphics2D g2)
/* write statistics in bottom-left corner, or
   "Loading" at start time *//*from   w w w . j  a va  2s  .  co m*/
{
    g2.setColor(Color.BLUE);
    g2.setFont(msgFont);
    int panelHeight = getHeight();
    if (imageCount > 0) {
        double avgGrabTime = (double) totalTime / imageCount;
        g2.drawString("Pic " + imageCount + "  " + df.format(avgGrabTime) + " ms", 5, panelHeight - 10); // bottom left
    } else // no image yet
        g2.drawString("Loading...", 5, panelHeight - 10);
}

---

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