Example usage for java.awt Graphics drawString

Introduction

In this page you can find the example usage for java.awt Graphics drawString.

Prototype

public abstract void drawString(AttributedCharacterIterator iterator, int x, int y);

Source Link

Document

Renders the text of the specified iterator applying its attributes in accordance with the specification of the java.awt.font.TextAttribute TextAttribute class.

Usage

From source file:com.synnex.saas.platform.core.servlet.CaptchaServlet.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    try {/*from   w w  w .  j  a va2s .  c  om*/
        int width = 50;
        int height = 18;
        String captchaCode = RandomStringUtils.random(4, true, true);
        HttpSession session = request.getSession(true);
        session.setAttribute("captchaCode", captchaCode);

        response.setContentType("images/jpeg");
        response.setHeader("Pragma", "No-cache");
        response.setHeader("Cache-Control", "no-cache");
        response.setDateHeader("Expires", 0);

        ServletOutputStream out = response.getOutputStream();
        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        Graphics g = image.getGraphics();
        g.setColor(getRandColor(200, 250));
        g.fillRect(0, 0, width, height);
        Font mFont = new Font("Times New Roman", Font.BOLD, 18);
        g.setFont(mFont);
        g.setColor(getRandColor(160, 200));
        Random random = new Random();
        for (int i = 0; i < 155; i++) {
            int x2 = random.nextInt(width);
            int y2 = random.nextInt(height);
            int x3 = random.nextInt(12);
            int y3 = random.nextInt(12);
            g.drawLine(x2, y2, x2 + x3, y2 + y3);
        }
        g.setColor(new Color(20 + random.nextInt(110), 20 + random.nextInt(110), 20 + random.nextInt(110)));
        g.drawString(captchaCode, 2, 16);
        g.dispose();
        ImageIO.write((BufferedImage) image, "JPEG", out);
        out.close();
    } catch (Exception e) {
        logger.error("Generate captcha failed.", e);
    }
}

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From source file:PictureScaler.java

/**
 * Render all scaled versions 10 times, timing each version and 
 * reporting the results below the appropriate scaled image.
 *//*from  w w w  . j  a v a 2 s .  c  om*/
protected void paintComponent(Graphics g) {
    // Scale with NEAREST_NEIGHBOR
    int xLoc = PADDING, yLoc = PADDING;
    long startTime, endTime;
    float totalTime;
    int iterations = 10;
    ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_INTERPOLATION,
            RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR);
    startTime = System.nanoTime();
    for (int i = 0; i < iterations; ++i) {
        g.drawImage(picture, xLoc, yLoc, scaleW, scaleH, null);
    }
    endTime = System.nanoTime();
    totalTime = (float) ((endTime - startTime) / 1000000) / iterations;
    g.drawString("NEAREST ", xLoc, yLoc + scaleH + PADDING);
    g.drawString(Float.toString(totalTime) + " ms", xLoc, yLoc + scaleH + PADDING + 10);
    System.out.println("NEAREST: " + ((endTime - startTime) / 1000000));

    // Scale with BILINEAR
    xLoc += scaleW + PADDING;
    ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_INTERPOLATION,
            RenderingHints.VALUE_INTERPOLATION_BILINEAR);
    startTime = System.nanoTime();
    for (int i = 0; i < iterations; ++i) {
        g.drawImage(picture, xLoc, yLoc, scaleW, scaleH, null);
    }
    endTime = System.nanoTime();
    totalTime = (float) ((endTime - startTime) / 1000000) / iterations;
    g.drawString("BILINEAR", xLoc, yLoc + scaleH + PADDING);
    g.drawString(Float.toString(totalTime) + " ms", xLoc, yLoc + scaleH + PADDING + 10);
    System.out.println("BILINEAR: " + ((endTime - startTime) / 1000000));

    // Scale with BICUBIC
    xLoc += scaleW + PADDING;
    ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_INTERPOLATION,
            RenderingHints.VALUE_INTERPOLATION_BICUBIC);
    startTime = System.nanoTime();
    for (int i = 0; i < iterations; ++i) {
        g.drawImage(picture, xLoc, yLoc, scaleW, scaleH, null);
    }
    endTime = System.nanoTime();
    totalTime = (float) ((endTime - startTime) / 1000000) / iterations;
    g.drawString("BICUBIC", xLoc, yLoc + scaleH + PADDING);
    g.drawString(Float.toString(totalTime) + " ms", xLoc, yLoc + scaleH + PADDING + 10);
    System.out.println("BICUBIC: " + ((endTime - startTime) / 1000000));

    // Scale with getScaledInstance
    xLoc += scaleW + PADDING;
    startTime = System.nanoTime();
    for (int i = 0; i < iterations; ++i) {
        Image scaledPicture = picture.getScaledInstance(scaleW, scaleH, Image.SCALE_AREA_AVERAGING);
        g.drawImage(scaledPicture, xLoc, yLoc, null);
    }
    endTime = System.nanoTime();
    totalTime = (float) ((endTime - startTime) / 1000000) / iterations;
    g.drawString("getScaled", xLoc, yLoc + scaleH + PADDING);
    g.drawString(Float.toString(totalTime) + " ms", xLoc, yLoc + scaleH + PADDING + 10);
    System.out.println("getScaled: " + ((endTime - startTime) / 1000000));

    // Scale with Progressive Bilinear
    xLoc += scaleW + PADDING;
    startTime = System.nanoTime();
    for (int i = 0; i < iterations; ++i) {
        Image scaledPicture = getFasterScaledInstance(picture, scaleW, scaleH,
                RenderingHints.VALUE_INTERPOLATION_BILINEAR, true);
        g.drawImage(scaledPicture, xLoc, yLoc, null);
    }
    endTime = System.nanoTime();
    totalTime = (float) ((endTime - startTime) / 1000000) / iterations;
    g.drawString("Progressive", xLoc, yLoc + scaleH + PADDING);
    g.drawString(Float.toString(totalTime) + " ms", xLoc, yLoc + scaleH + PADDING + 10);
    System.out.println("Progressive: " + ((endTime - startTime) / 1000000));
}

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From source file:com.fengduo.bee.commons.servlet.ValidateCodeServlet.java

private String createCharacter(Graphics g) {
    char[] codeSeq = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'J', 'K', 'M', 'N', 'P', 'Q', 'R', 'S', 'T', 'U',
            'V', 'W', 'X', 'Y', 'Z', '2', '3', '4', '5', '6', '7', '8', '9' };
    String[] fontTypes = { "Arial", "Arial Black", "AvantGarde Bk BT", "Calibri" };
    Random random = new Random();
    StringBuilder s = new StringBuilder();
    for (int i = 0; i < 4; i++) {
        String r = String.valueOf(codeSeq[random.nextInt(codeSeq.length)]);// random.nextInt(10));
        g.setColor(new Color(50 + random.nextInt(100), 50 + random.nextInt(100), 50 + random.nextInt(100)));
        g.setFont(new Font(fontTypes[random.nextInt(fontTypes.length)], Font.BOLD, 26));
        g.drawString(r, 15 * i + 5, 19 + random.nextInt(8));
        // g.drawString(r, i*w/4, h-5);
        s.append(r);/*from   w  w  w  .  j  a  v  a2  s  .  c om*/
    }
    return s.toString();
}

---

From source file:com.headswilllol.basiclauncher.Launcher.java

public void paintComponent(Graphics g) {
    super.paintComponent(g);
    g.setFont(font);//from w w  w .  ja va 2  s .c o  m
    if (updateMsg != null) {
        g.drawString("Update Available!", centerText(g, "Update Available!"), 50);
        g.setFont(smallFont);
        g.drawString(updateMsg, centerText(g, updateMsg), 100);
    }

    else if (progress == null)
        g.drawString(NAME + " Launcher", centerText(g, NAME + " Launcher"), 50);

    else {
        g.drawString(progress, centerText(g, progress), height / 2);
        if (fail != null)
            g.drawString(fail, centerText(g, fail), height / 2 + 50);
        else {
            if (aSize != -1 && eSize != -1) {
                String s = (aSize * 8) + "/" + (int) (eSize * 8) + " B";
                if (eSize * 8 >= 1024)
                    if (eSize * 8 >= 1024 * 1024)
                        s = String.format("%.2f", aSize * 8 / 1024 / 1024) + "/"
                                + String.format("%.2f", eSize * 8 / 1024 / 1024) + " MiB";
                    else
                        s = String.format("%.2f", aSize * 8 / 1024) + "/"
                                + String.format("%.2f", eSize * 8 / 1024) + " KiB";
                g.drawString(s, centerText(g, s), height / 2 + 40);
                String sp = "@" + (int) speed + " B/s";
                if (speed >= 1024)
                    if (speed >= 1024 * 1024)
                        sp = "@" + String.format("%.2f", (speed / 1024 / 1024)) + " MiB/s";
                    else
                        sp = "@" + String.format("%.2f", (speed / 1024)) + " KiB/s";
                g.drawString(sp, centerText(g, sp), height / 2 + 80);
                int barWidth = 500;
                int barHeight = 35;
                g.setColor(Color.LIGHT_GRAY);
                g.drawRect(width / 2 - barWidth / 2, height / 2 + 100, barWidth, barHeight);
                g.setColor(Color.GREEN);
                g.fillRect(width / 2 - barWidth / 2 + 1, height / 2 + 100 + 1,
                        (int) ((aSize / eSize) * (double) barWidth - 2), barHeight - 1);
                g.setColor(new Color(.2f, .2f, .2f));
                int percent = (int) (aSize / (double) eSize * 100);
                g.drawString(percent + "%", centerText(g, percent + "%"), height / 2 + 128);
            }
        }
    }
}

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From source file:DialogSeparator.java

public void paint(Graphics g) {
    g.setColor(getBackground());/*from www .  j ava 2  s. co  m*/
    g.fillRect(0, 0, getWidth(), getHeight());

    Dimension d = getSize();
    int y = (d.height - 3) / 2;
    g.setColor(Color.white);
    g.drawLine(1, y, d.width - 1, y);
    y++;
    g.drawLine(0, y, 1, y);
    g.setColor(Color.gray);
    g.drawLine(d.width - 1, y, d.width, y);
    y++;
    g.drawLine(1, y, d.width - 1, y);

    String text = getText();
    if (text.length() == 0)
        return;

    g.setFont(getFont());
    FontMetrics fm = g.getFontMetrics();
    y = (d.height + fm.getAscent()) / 2;
    int fontWidth = fm.stringWidth(text);

    g.setColor(getBackground());
    g.fillRect(OFFSET - 5, 0, OFFSET + fontWidth, d.height);

    g.setColor(getForeground());
    g.drawString(text, OFFSET, y);
}

---

From source file:VASSAL.counters.Labeler.java

public static void drawLabel(Graphics g, String text, int x, int y, Font f, int hAlign, int vAlign,
        Color fgColor, Color bgColor, Color borderColor) {
    g.setFont(f);/*from w  w  w.j ava2  s .c o m*/
    final int width = g.getFontMetrics().stringWidth(text + "  ");
    final int height = g.getFontMetrics().getHeight();
    int x0 = x;
    int y0 = y;
    switch (hAlign) {
    case CENTER:
        x0 = x - width / 2;
        break;
    case LEFT:
        x0 = x - width;
        break;
    }
    switch (vAlign) {
    case CENTER:
        y0 = y - height / 2;
        break;
    case BOTTOM:
        y0 = y - height;
        break;
    }
    if (bgColor != null) {
        g.setColor(bgColor);
        g.fillRect(x0, y0, width, height);
    }
    if (borderColor != null) {
        g.setColor(borderColor);
        g.drawRect(x0, y0, width, height);
    }
    g.setColor(fgColor);
    ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g.drawString(" " + text + " ", x0, y0 + g.getFontMetrics().getHeight() - g.getFontMetrics().getDescent());
}

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From source file:CalIcon.java

/** paintIcon: draw the calendar page. */
public void paintIcon(Component c, Graphics g, int x, int y) {

    // Allow clock to get painted (voodoo magic)
    if (showTime)
        super.paint(g);

    // Outline it.
    g.setColor(Color.black);/*from w w w .j a  v  a  2s .c  o m*/
    g.draw3DRect(x, y, d.width - 2, d.height - 2, true);

    // Show the date: First, a white page with a drop shadow.
    g.setColor(Color.gray);
    g.fillRect(x + RBX + 3, y + RBY + 3, RBW, RBH);
    g.setColor(Color.white);
    g.fillRect(x + RBX, y + RBY, RBW, RBH);

    // g.setColor(getForeground());
    g.setColor(Color.black);

    String s = days[myCal.get(Calendar.DAY_OF_WEEK) - 1];
    g.setFont(dayNameFont);
    int w = dayNameFM.stringWidth(s);
    g.drawString(s, x + RBX + ((RBW - w) / 2), y + RBY + 10);

    s = Integer.toString(myCal.get(Calendar.DAY_OF_MONTH));
    g.setFont(dayNumbFont);
    w = dayNumbFM.stringWidth(s);
    g.drawString(s, x + RBX + ((RBW - w) / 2), y + RBY + 25);

    s = mons[myCal.get(Calendar.MONTH)];
    g.setFont(monNameFont);
    w = monNameFM.stringWidth(s);
    g.drawString(s, x + RBX + ((RBW - w) / 2), y + RBY + 35);
}

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From source file:com.tinypace.mobistore.servlet.ValidateCodeServlet.java

private String createCharacter(Graphics g) {
    char[] codeSeq = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'J', 'K', 'L', 'M', 'N', 'P', 'Q', 'R', 'S', 'T',
            'U', 'V', 'W', 'X', 'Y', 'Z', '2', '3', '4', '5', '6', '7', '8', '9' };
    String[] fontTypes = { "\u5b8b\u4f53", "\u65b0\u5b8b\u4f53", "\u9ed1\u4f53", "\u6977\u4f53",
            "\u96b6\u4e66" };
    Random random = new Random();
    StringBuilder s = new StringBuilder();
    for (int i = 0; i < 4; i++) {
        String r = String.valueOf(codeSeq[random.nextInt(codeSeq.length)]);//random.nextInt(10));
        g.setColor(new Color(50 + random.nextInt(100), 50 + random.nextInt(100), 50 + random.nextInt(100)));
        g.setFont(new Font(fontTypes[random.nextInt(fontTypes.length)], Font.BOLD, 26));
        g.drawString(r, 15 * i + 5, 19 + random.nextInt(8));
        s.append(r);/*from w w  w.  j  a va 2 s  .c  om*/
    }
    return s.toString();
}

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From source file:apm.common.servlet.ValidateCodeServlet.java

private String createCharacter(Graphics g) {
    char[] codeSeq = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'J', 'K', 'L', 'M', 'N', 'P', 'Q', 'R', 'S', 'T',
            'U', 'V', 'W', 'X', 'Y', 'Z', '2', '3', '4', '5', '6', '7', '8', '9' };
    String[] fontTypes = { "\u5b8b\u4f53", "\u65b0\u5b8b\u4f53", "\u9ed1\u4f53", "\u6977\u4f53",
            "\u96b6\u4e66" };
    Random random = new Random();
    StringBuilder s = new StringBuilder();
    for (int i = 0; i < 4; i++) {
        String r = String.valueOf(codeSeq[random.nextInt(codeSeq.length)]);//random.nextInt(10));
        g.setColor(new Color(50 + random.nextInt(100), 50 + random.nextInt(100), 50 + random.nextInt(100)));
        g.setFont(new Font(fontTypes[random.nextInt(fontTypes.length)], Font.BOLD, 26));
        g.drawString(r, 15 * i + 5, 19 + random.nextInt(8));
        //         g.drawString(r, i*w/4, h-5);
        s.append(r);//from   ww  w  .  ja  v  a  2  s.c o  m
    }
    return s.toString();
}

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From source file:com.aistor.common.servlet.ValidateCodeServlet.java

private String createCharacter(Graphics g) {
    char[] codeSeq = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'P', 'Q', 'R', 'S',
            'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '1', '2', '3', '4', '5', '6', '7', '8', '9' };
    String[] fontTypes = { "\u5b8b\u4f53", "\u65b0\u5b8b\u4f53", "\u9ed1\u4f53", "\u6977\u4f53",
            "\u96b6\u4e66" };
    Random random = new Random();
    StringBuilder s = new StringBuilder();
    for (int i = 0; i < 4; i++) {
        String r = String.valueOf(codeSeq[random.nextInt(codeSeq.length)]);//random.nextInt(10));
        g.setColor(new Color(50 + random.nextInt(100), 50 + random.nextInt(100), 50 + random.nextInt(100)));
        g.setFont(new Font(fontTypes[random.nextInt(fontTypes.length)], Font.BOLD, 26));
        g.drawString(r, 15 * i + 5, 19 + random.nextInt(8));
        //         g.drawString(r, i*w/4, h-5);
        s.append(r);/*w w w  . ja va2 s  .c om*/
    }
    return s.toString();
}

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