Example usage for java.awt Graphics2D drawString

Introduction

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

Prototype

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

Source Link

Document

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

Usage

From source file:com.pureinfo.srm.common.ImageHelper.java

private static void draw(String _str, Graphics2D _g2, int _nX0, int _nY0, int _nX1, int _nY1) {
    Font font = new Font(getFontName(), Font.BOLD, getFontSize());
    AttributedString str = new AttributedString(_str);
    str.addAttribute(TextAttribute.FONT, font);
    str.addAttribute(TextAttribute.FOREGROUND, getColor());
    _g2.drawString(str.getIterator(), getNumber(_nX0, _nX1), (_nY0 + _nY1) * 2 / 3);
}

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From source file:org.jhotdraw.samples.svg.figures.SVGImage.java

public static SVGImage getLoadingImage() {
    BufferedImage image;/*from   w  w  w. j av  a  2  s  .  com*/
    try {
        image = ImageIO.read(SVGImage.class.getResource("loading.jpg"));
    } catch (Exception e) {
        String text = "";
        Font font = new Font("", Font.PLAIN, 18);
        image = new BufferedImage(150, 100, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g = (Graphics2D) image.createGraphics();
        g.setColor(Color.black);
        g.setFont(font);
        int w = g.getFontMetrics().stringWidth(text);
        int h = g.getFontMetrics().getHeight();
        g.drawString(text, 10, h);
        g.dispose();
    }
    return new SVGImage(image);
}

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From source file:Main.java

public static BufferedImage takeScreenShot(Component component, String... watermarks) {

    Dimension size = component.getSize();

    BufferedImage screenshot = new BufferedImage(size.width, size.height, Transparency.OPAQUE);
    Graphics2D g = screenshot.createGraphics();
    g.setClip(0, 0, size.width - 1, size.height - 1);

    component.update(g);/*from w ww  .ja  va2  s  .  com*/

    FontMetrics fm = g.getFontMetrics();
    int y = fm.getDescent();
    for (String watermark : watermarks)
        if (watermark != null) {
            int x = size.width - SwingUtilities.computeStringWidth(fm, watermark);

            g.setColor(Color.black);
            g.drawString(watermark, x, y);

            g.setColor(Color.white);
            g.drawString(watermark, x - 1, y - 1);

            y -= fm.getHeight();
        }

    g.dispose();

    return screenshot;
}

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From source file:juicebox.tools.utils.juicer.apa.APAPlotter.java

/**
 * Plot text centered at a point (rather than from the upper left corner as is the default)
 *
 * @param g2       graphics2D object/* w  w  w  .j a v a2s  .  c  o  m*/
 * @param text     to be plotted
 * @param position of where text will be centered at
 */
private static void drawCenteredString(Graphics2D g2, String text, Point position) {
    FontMetrics fm = g2.getFontMetrics();
    int x2 = position.x - fm.stringWidth(text) / 2;
    int y2 = fm.getAscent() + (position.y - (fm.getAscent() + fm.getDescent()) / 2);
    g2.drawString(text, x2, y2);
}

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From source file:net.noday.core.utils.Captcha.java

public static BufferedImage gen(String text, int width, int height) throws IOException {
    BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_BGR);
    Graphics2D g = (Graphics2D) bi.getGraphics();
    g.setColor(Color.GRAY);//from   w w  w . j  a v a  2  s.co  m
    g.fillRect(0, 0, width, height);
    for (int i = 0; i < 10; i++) {
        g.setColor(randColor(150, 250));
        g.drawOval(random.nextInt(110), random.nextInt(24), 5 + random.nextInt(10), 5 + random.nextInt(10));
        Font f = new Font("Arial", Font.ITALIC, 20);
        g.setFont(f);
        g.setColor(randColor(10, 240));
        g.drawString(text, 4, 24);
    }
    return bi;
}

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From source file:org.mili.core.graphics.GraphicsUtil.java

/**
 * Prints a character image in defined font in a file.
 *
 * @param dir directory./*from  ww w  .  j  a v a 2  s.  c  o  m*/
 * @param fn filename.
 * @param font font.
 * @param c character to print in file.
 * @param mx character size x.
 * @param my character size y.
 * @throws IOException if io exception occurs.
 */
public static void writeChar(File dir, String fn, Font font, char c, int mx, int my) throws IOException {
    BufferedImage bi = new BufferedImage(mx, my, BufferedImage.TYPE_INT_RGB);
    Graphics2D g = (Graphics2D) bi.createGraphics();
    g.setFont(font);
    FontMetrics fm = g.getFontMetrics();
    int fh = fm.getHeight();
    int cw = fm.charWidth(c);
    int asc = g.getFontMetrics().getAscent();
    int x0 = mx / 2 - cw / 2;
    int y0 = my / 2 - fh / 2 + asc;
    g.drawString(String.valueOf(c), x0, y0);
    g.dispose();
    File f = new File(dir, fn);
    GraphicsUtil.writeImage(f, bi);
}

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From source file:org.ut.biolab.medsavant.client.util.ClientMiscUtils.java

/**
 * Draws a string centred in the given box.
 *///from   w  w  w  .java2  s  .  c  o  m
public static void drawCentred(Graphics2D g2, String message, Rectangle2D box) {
    FontMetrics metrics = g2.getFontMetrics();
    Rectangle2D stringBounds = g2.getFont().getStringBounds(message, g2.getFontRenderContext());
    float x = (float) (box.getX() + (box.getWidth() - stringBounds.getWidth()) / 2.0);
    float y = (float) (box.getY() + (box.getHeight() + metrics.getAscent() - metrics.getDescent()) / 2.0);

    g2.drawString(message, x, y);
}

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From source file:org.springframework.cloud.stream.app.pose.estimation.processor.DebugVisualizationUtility.java

private static byte[] drawLimbCandidate(byte[] imageBytes, Limb limb) {

    return new ImageGraphicsTemplate() {
        @Override// w w w .j a v  a  2s. c  o m
        public void drawWithingImage(Graphics2D g) {
            Part from = limb.getFromPart();
            Part to = limb.getToPart();

            int x1 = from.getNormalizedX();
            int x2 = to.getNormalizedX();

            int y1 = from.getNormalizedY();
            int y2 = to.getNormalizedY();

            int xl = (x2 - x1) / 2;
            int yl = (y2 - y1) / 2;

            g.setColor(GraphicsUtils.yellow);
            g.drawString(String.format("%.2f", limb.getPafScore()), x1 + xl + 5, y1 + yl + 5);

            g.setColor(new Color(167, 252, 0));
            g.draw(new Line2D.Double(from.getNormalizedX(), from.getNormalizedY(), to.getNormalizedX(),
                    to.getNormalizedY()));

            g.setColor(GraphicsUtils.CLASS_COLOR2[from.getPartType().getId()]);
            g.fillOval(from.getNormalizedX() - OVAL_WIDTH / 2, from.getNormalizedY() - OVAL_WIDTH / 2,
                    OVAL_WIDTH, OVAL_HEIGHT);
            g.setColor(GraphicsUtils.CLASS_COLOR2[to.getPartType().getId()]);
            g.fillOval(to.getNormalizedX() - OVAL_WIDTH / 2, to.getNormalizedY() - OVAL_WIDTH / 2, OVAL_WIDTH,
                    OVAL_HEIGHT);
        }
    }.draw(imageBytes);
}

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From source file:Main.java

/**
 * Creates and returns image from the given text.
 * @param text input text// w w w .j a  va2 s  . c o  m
 * @param font text font
 * @return image with input text
 */
public static BufferedImage createImageFromText(String text, Font font) {
    //You may want to change these setting, or make them parameters
    boolean isAntiAliased = true;
    boolean usesFractionalMetrics = false;
    FontRenderContext frc = new FontRenderContext(null, isAntiAliased, usesFractionalMetrics);
    TextLayout layout = new TextLayout(text, font, frc);
    Rectangle2D bounds = layout.getBounds();
    int w = (int) Math.ceil(bounds.getWidth());
    int h = (int) Math.ceil(bounds.getHeight()) + 2;
    BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB); //for example;
    Graphics2D g = image.createGraphics();
    g.setColor(Color.WHITE);
    g.fillRect(0, 0, w, h);
    g.setColor(Color.BLACK);
    g.setFont(font);
    Object antiAliased = isAntiAliased ? RenderingHints.VALUE_TEXT_ANTIALIAS_ON
            : RenderingHints.VALUE_TEXT_ANTIALIAS_OFF;
    g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, antiAliased);
    Object fractionalMetrics = usesFractionalMetrics ? RenderingHints.VALUE_FRACTIONALMETRICS_ON
            : RenderingHints.VALUE_FRACTIONALMETRICS_OFF;
    g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, fractionalMetrics);
    g.drawString(text, (float) -bounds.getX(), (float) -bounds.getY());
    g.dispose();

    return image;
}

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From source file:savant.util.MiscUtils.java

/**
 * Patterned off GraphPane.drawMessageHelper, draws a string centred in the given box.
 *//*ww w .  j a va 2  s . c om*/
public static void drawMessage(Graphics2D g2, String message, Rectangle2D box) {
    FontMetrics metrics = g2.getFontMetrics();
    Rectangle2D stringBounds = g2.getFont().getStringBounds(message, g2.getFontRenderContext());
    float x = (float) (box.getX() + (box.getWidth() - stringBounds.getWidth()) / 2.0);
    float y = (float) (box.getY() + (box.getHeight() + metrics.getAscent() - metrics.getDescent()) / 2.0);

    g2.drawString(message, x, y);
}

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