Example usage for java.awt Graphics setFont

Introduction

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

Prototype

public abstract void setFont(Font font);

Source Link

Document

Sets this graphics context's font to the specified font.

Usage

From source file:GraphicsUtil.java

static public Rectangle getTextBounds(Graphics g, Font font, String text, int x, int y, int halign,
        int valign) {
    if (g == null)
        return new Rectangle(x, y, 0, 0);
    Font oldfont = g.getFont();/*  ww w.  j  av a  2 s.  c  om*/
    if (font != null)
        g.setFont(font);
    Rectangle ret = getTextBounds(g, text, x, y, halign, valign);
    if (font != null)
        g.setFont(oldfont);
    return ret;
}

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From source file:com.baidu.rigel.biplatform.ma.auth.resource.RandomValidateCode.java

/**
 * //ww  w  .ja v  a2s .  co m
 * @param request
 * @param response
 * @param cacheManagerForResource 
 */
public static void getRandcode(HttpServletRequest request, HttpServletResponse response,
        CacheManagerForResource cacheManagerForResource) {
    // BufferedImageImage,Image????
    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_BGR);
    Graphics g = image.getGraphics(); // ImageGraphics,?????
    g.fillRect(0, 0, width, height);
    g.setFont(new Font("Times New Roman", Font.ROMAN_BASELINE, 18));
    g.setColor(getRandColor(110, 133));
    // 
    for (int i = 0; i <= lineSize; i++) {
        drowLine(g);
    }
    // ?
    String randomString = "";
    for (int i = 1; i <= stringNum; i++) {
        randomString = drowString(g, randomString, i);
    }
    String key = null;
    if (request.getCookies() != null) {
        for (Cookie tmp : request.getCookies()) {
            if (tmp.getName().equals(Constants.RANDOMCODEKEY)) {
                key = tmp.getName();
                cacheManagerForResource.removeFromCache(key);
                break;
            }
        }
    }
    if (StringUtils.isEmpty(key)) {
        key = String.valueOf(System.nanoTime());
    }
    cacheManagerForResource.setToCache(key, randomString);
    final Cookie cookie = new Cookie(Constants.RANDOMCODEKEY, key);
    cookie.setPath(Constants.COOKIE_PATH);
    response.addCookie(cookie);
    g.dispose();
    try {
        ImageIO.write(image, "JPEG", response.getOutputStream()); // ??
    } catch (Exception e) {
        LOG.info(e.getMessage());
    }
}

---

From source file:Main.java

/**
 * Prints a <code>Document</code> using a monospaced font, word wrapping on
 * the characters ' ', '\t', '\n', ',', '.', and ';'.  This method is
 * expected to be called from Printable 'print(Graphics g)' functions.
 *
 * @param g The graphics context to write to.
 * @param doc The <code>javax.swing.text.Document</code> to print.
 * @param fontSize the point size to use for the monospaced font.
 * @param pageIndex The page number to print.
 * @param pageFormat The format to print the page with.
 * @param tabSize The number of spaces to expand tabs to.
 *
 * @see #printDocumentMonospaced/*from w ww  . j a v  a  2 s .  c o m*/
 */
public static int printDocumentMonospacedWordWrap(Graphics g, Document doc, int fontSize, int pageIndex,
        PageFormat pageFormat, int tabSize) {

    g.setColor(Color.BLACK);
    g.setFont(new Font("Monospaced", Font.PLAIN, fontSize));

    // Initialize our static variables (these are used by our tab expander below).
    tabSizeInSpaces = tabSize;
    fm = g.getFontMetrics();

    // Create our tab expander.
    //RPrintTabExpander tabExpander = new RPrintTabExpander();

    // Get width and height of characters in this monospaced font.
    int fontWidth = fm.charWidth('w'); // Any character will do here, since font is monospaced.
    int fontHeight = fm.getHeight();

    int MAX_CHARS_PER_LINE = (int) pageFormat.getImageableWidth() / fontWidth;
    int MAX_LINES_PER_PAGE = (int) pageFormat.getImageableHeight() / fontHeight;

    final int STARTING_LINE_NUMBER = MAX_LINES_PER_PAGE * pageIndex;

    // The (x,y) coordinate to print at (in pixels, not characters).
    // Since y is the baseline of where we'll start printing (not the top-left
    // corner), we offset it by the font's ascent ( + 1 just for good measure).
    xOffset = (int) pageFormat.getImageableX();
    int y = (int) pageFormat.getImageableY() + fm.getAscent() + 1;

    // A counter to keep track of the number of lines that WOULD HAVE been
    // printed if we were printing all lines.
    int numPrintedLines = 0;

    // Keep going while there are more lines in the document.
    currentDocLineNumber = 0; // The line number of the document we're currently on.
    rootElement = doc.getDefaultRootElement(); // To shorten accesses in our loop.
    numDocLines = rootElement.getElementCount(); // The number of lines in our document.
    while (currentDocLineNumber < numDocLines) {

        // Get the line we are going to print.
        String curLineString;
        Element currentLine = rootElement.getElement(currentDocLineNumber);
        int startOffs = currentLine.getStartOffset();
        try {
            curLineString = doc.getText(startOffs, currentLine.getEndOffset() - startOffs);
        } catch (BadLocationException ble) { // Never happens
            ble.printStackTrace();
            return Printable.NO_SUCH_PAGE;
        }

        // Remove newlines, because they end up as boxes if you don't; this is a monospaced font.
        curLineString = curLineString.replaceAll("\n", "");

        // Replace tabs with how many spaces they should be.
        if (tabSizeInSpaces == 0) {
            curLineString = curLineString.replaceAll("\t", "");
        } else {
            int tabIndex = curLineString.indexOf('\t');
            while (tabIndex > -1) {
                int spacesNeeded = tabSizeInSpaces - (tabIndex % tabSizeInSpaces);
                String replacementString = "";
                for (int i = 0; i < spacesNeeded; i++)
                    replacementString += ' ';
                // Note that "\t" is actually a regex for this method.
                curLineString = curLineString.replaceFirst("\t", replacementString);
                tabIndex = curLineString.indexOf('\t');
            }
        }

        // If this document line is too long to fit on one printed line on the page,
        // break it up into multpile lines.
        while (curLineString.length() > MAX_CHARS_PER_LINE) {

            int breakPoint = getLineBreakPoint(curLineString, MAX_CHARS_PER_LINE) + 1;

            numPrintedLines++;
            if (numPrintedLines > STARTING_LINE_NUMBER) {
                g.drawString(curLineString.substring(0, breakPoint), xOffset, y);
                y += fontHeight;
                if (numPrintedLines == STARTING_LINE_NUMBER + MAX_LINES_PER_PAGE)
                    return Printable.PAGE_EXISTS;
            }

            curLineString = curLineString.substring(breakPoint, curLineString.length());

        }

        currentDocLineNumber += 1; // We have printed one more line from the document.

        numPrintedLines++;
        if (numPrintedLines > STARTING_LINE_NUMBER) {
            g.drawString(curLineString, xOffset, y);
            y += fontHeight;
            if (numPrintedLines == STARTING_LINE_NUMBER + MAX_LINES_PER_PAGE)
                return Printable.PAGE_EXISTS;
        }

    }

    // Now, the whole document has been "printed."  Decide if this page had any text on it or not.
    if (numPrintedLines > STARTING_LINE_NUMBER)
        return Printable.PAGE_EXISTS;
    return Printable.NO_SUCH_PAGE;

}

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

/**
 * ???/*from  w  w w  .j a  va2 s  . c  o 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:ala.soils2sat.DrawingUtils.java

public static Rectangle drawString(Graphics g, Font font, String text, int x, int y, int width, int height,
        int align, boolean wrap) {
    g.setFont(font);
    FontMetrics fm = g.getFontMetrics(font);

    setPreferredAliasingMode(g);//from   w  w  w .j a  va2  s.  co m

    Rectangle ret = new Rectangle(0, 0, 0, 0);

    if (text == null) {
        return ret;
    }
    String[] alines = text.split("\\n");
    ArrayList<String> lines = new ArrayList<String>();
    for (String s : alines) {
        if (wrap && fm.stringWidth(s) > width) {
            // need to split this up into multiple lines...
            List<String> splitLines = wrapString(s, fm, width);
            lines.addAll(splitLines);
        } else {
            lines.add(s);
        }
    }
    int numlines = lines.size();
    while (fm.getHeight() * numlines > height) {
        numlines--;
    }
    if (numlines > 0) {
        int maxwidth = 0;
        int minxoffset = y + width;
        int totalheight = (numlines * fm.getHeight());

        int linestart = ((height / 2) - (totalheight / 2));

        if (!wrap) {
            ret.y = y + linestart;
        } else {
            ret.y = y;
            linestart = 0;
        }
        for (int idx = 0; idx < numlines; ++idx) {
            String line = lines.get(idx);
            int stringWidth = fm.stringWidth(line);
            // the width of the label depends on the font :
            // if the width of the label is larger than the item
            if (stringWidth > 0 && width < stringWidth) {
                // We have to truncate the label
                line = clipString(null, fm, line, width);
                stringWidth = fm.stringWidth(line);
            }

            int xoffset = 0;
            int yoffset = linestart + fm.getHeight() - fm.getDescent();
            if (align == TEXT_ALIGN_RIGHT) {
                xoffset = (width - stringWidth);
            } else if (align == TEXT_ALIGN_CENTER) {
                xoffset = (int) Math.round((double) (width - stringWidth) / (double) 2);
            }

            if (xoffset < minxoffset) {
                minxoffset = xoffset;
            }
            g.drawString(line, x + xoffset, y + yoffset);
            if (stringWidth > maxwidth) {
                maxwidth = stringWidth;
            }
            linestart += fm.getHeight();
        }

        ret.width = maxwidth;
        ret.height = totalheight;
        ret.x = x + minxoffset;

        // Debug only...
        if (DEBUG) {
            Graphics2D g2d = (Graphics2D) g;
            g2d.setStroke(new BasicStroke(1));
            g.setColor(Color.blue);
            g.drawRect(ret.x, ret.y, ret.width, ret.height);
            g.setColor(Color.green);
            g.drawRect(x, y, width, height);
        }

        return ret;
    }
    return ret;
}

---

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);
    final int width = g.getFontMetrics().stringWidth(text + "  ");
    final int height = g.getFontMetrics().getHeight();
    int x0 = x;//w  ww  .  j  av  a  2 s.  c  o m
    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());
}

---

From source file:Main.java

public void paint(Graphics g) {
    g.setFont(new Font("SansSerif", Font.BOLD, 12));
    FontMetrics fm = g.getFontMetrics();
    g.drawString("Current font: " + g.getFont(), 10, 40);
    g.drawString("Ascent: " + fm.getAscent(), 10, 55);
    g.drawString("Descent: " + fm.getDescent(), 10, 70);
    g.drawString("Height: " + fm.getHeight(), 10, 85);
    g.drawString("Leading: " + fm.getLeading(), 10, 100);

    Font font = new Font("Serif", Font.ITALIC, 14);
    fm = g.getFontMetrics(font);// w w w  . j  av a  2  s. co m
    g.setFont(font);
    g.drawString("Current font: " + font, 10, 130);
    g.drawString("Ascent: " + fm.getAscent(), 10, 145);
    g.drawString("Descent: " + fm.getDescent(), 10, 160);
    g.drawString("Height: " + fm.getHeight(), 10, 175);
    g.drawString("Leading: " + fm.getLeading(), 10, 190);
}

---

From source file:StringRectPaintPanel.java

public void paint(Graphics g) {
    g.setFont(new Font("", 0, 100));
    FontMetrics fm = getFontMetrics(new Font("", 0, 100));
    String s = "java2s";
    int x = 5;// w ww . j a va 2s . c o  m
    int y = 5;

    for (int i = 0; i < s.length(); i++) {
        char c = s.charAt(i);

        int h = fm.getHeight();
        int w = fm.charWidth(c);

        g.drawRect(x, y, w, h);
        g.drawString(String.valueOf(c), x, y + h);

        x = x + w;
    }
}

---

From source file:Main.java

public void paint(Graphics g) {
    int fontSize = 20;

    g.setFont(new Font("TimesRoman", Font.PLAIN, fontSize));

    g.drawString("www.java2s.com", 10, 20);
}

---

From source file:Main.java

public void paint(Graphics g) {
    int fontSize = 20;

    g.setFont(new Font("TimesRoman", Font.ITALIC, fontSize));

    String s = "www.java2s.com";

    g.setColor(Color.black);//from  w w w  . jav  a  2  s . co m
    g.drawString(s, 30, 30);
}

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