Example usage for java.awt Graphics2D getFontMetrics

Introduction

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

Prototype

public FontMetrics getFontMetrics() 

Source Link

Document

Gets the font metrics of the current font.

Usage

From source file:weka.core.ChartUtils.java

/**
 * Render a combined histogram and pie chart from summary data
 * /*w w w  .  j  a  v  a 2 s . c  o  m*/
 * @param width the width of the resulting image
 * @param height the height of the resulting image
 * @param values the values for the chart
 * @param freqs the corresponding frequencies
 * @param additionalArgs optional arguments to the renderer (may be null)
 * @return a buffered image
 * @throws Exception if a problem occurs
 */
public static BufferedImage renderCombinedPieAndHistogramFromSummaryData(int width, int height,
        List<String> values, List<Double> freqs, List<String> additionalArgs) throws Exception {

    String plotTitle = "Combined Chart";
    String userTitle = getOption(additionalArgs, "-title");
    plotTitle = (userTitle != null) ? userTitle : plotTitle;

    List<String> opts = new ArrayList<String>();
    opts.add("-title=distribution");
    BufferedImage pie = renderPieChartFromSummaryData(width / 2, height, values, freqs, false, true, opts);

    opts.clear();
    opts.add("-title=histogram");
    BufferedImage hist = renderHistogramFromSummaryData(width / 2, height, values, freqs, opts);

    BufferedImage img = new BufferedImage(width, height + 20, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = img.createGraphics();
    g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_GASP);
    g2d.setFont(new Font("SansSerif", Font.BOLD, 12));
    g2d.setColor(Color.lightGray);
    g2d.fillRect(0, 0, width, height + 20);
    g2d.setColor(Color.black);
    FontMetrics fm = g2d.getFontMetrics();
    int fh = fm.getHeight();
    int sw = fm.stringWidth(plotTitle);

    g2d.drawImage(pie, 0, 20, null);
    g2d.drawImage(hist, width / 2 + 1, 20, null);
    g2d.drawString(plotTitle, width / 2 - sw / 2, fh + 2);
    g2d.dispose();

    return img;
}

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From source file:weka.core.ChartUtils.java

/**
 * Render a combined histogram and box plot chart from summary data
 * /*from   w w w. j a  v  a2 s .c  o  m*/
 * @param width the width of the resulting image
 * @param height the height of the resulting image
 * @param bins the values for the chart
 * @param freqs the corresponding frequencies
 * @param summary the summary stats for the box plot
 * @param outliers an optional list of outliers for the box plot
 * @param additionalArgs optional arguments to the renderer (may be null)
 * @return a buffered image
 * @throws Exception if a problem occurs
 */
public static BufferedImage renderCombinedBoxPlotAndHistogramFromSummaryData(int width, int height,
        List<String> bins, List<Double> freqs, List<Double> summary, List<Double> outliers,
        List<String> additionalArgs) throws Exception {

    String plotTitle = "Combined Chart";
    String userTitle = getOption(additionalArgs, "-title");
    plotTitle = (userTitle != null) ? userTitle : plotTitle;

    List<String> opts = new ArrayList<String>();
    opts.add("-title=histogram");
    BufferedImage hist = renderHistogramFromSummaryData(width / 2, height, bins, freqs, opts);
    opts.clear();
    opts.add("-title=box plot");
    BufferedImage box = null;
    try {
        box = renderBoxPlotFromSummaryData(width / 2, height, summary, outliers, opts);
    } catch (Exception ex) {
        // if we can't generate the box plot (i.e. probably because
        // data is 100% missing) then just return the histogram
    }

    if (box == null) {
        width /= 2;
    }
    BufferedImage img = new BufferedImage(width, height + 20, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = img.createGraphics();
    g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_GASP);
    g2d.setFont(new Font("SansSerif", Font.BOLD, 12));
    g2d.setColor(Color.lightGray);
    g2d.fillRect(0, 0, width, height + 20);
    g2d.setColor(Color.black);
    FontMetrics fm = g2d.getFontMetrics();
    int fh = fm.getHeight();
    int sw = fm.stringWidth(plotTitle);

    if (box != null) {
        g2d.drawImage(box, 0, 20, null);
        g2d.drawImage(hist, width / 2 + 1, 20, null);
    } else {
        g2d.drawImage(hist, 0, 20, null);
    }
    g2d.drawString(plotTitle, width / 2 - sw / 2, fh + 2);
    g2d.dispose();

    return img;
}

---

From source file:BasicDraw.java

public void paint(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;
    FontMetrics fontMetrics = g2d.getFontMetrics();

    int width = fontMetrics.stringWidth("aString");
    int height = fontMetrics.getHeight();
    System.out.println(width);//from ww w  .j a v  a  2 s .co  m
    System.out.println(height);
}

---

From source file:Main.java

@Override
protected void paintComponent(Graphics g) {
    super.paintComponent(g);
    Graphics2D g2d = (Graphics2D) g.create();
    String text = "I don't see the problem";
    FontMetrics fm = g2d.getFontMetrics();
    int x = (getWidth() - fm.stringWidth(text)) / 2;
    int y = ((getHeight() - fm.getHeight()) / 2) + fm.getDescent();
    g2d.setTransform(AffineTransform.getRotateInstance(Math.toRadians(45), getWidth() / 2, getHeight() / 2));
    g2d.drawString(text, x, y);//from   www  .j  a v a 2 s.c o m
    g2d.dispose();
}

---

From source file:Main.java

@Override
protected void paintComponent(Graphics g) {
    super.paintComponent(g);
    Graphics2D g2d = (Graphics2D) g.create();
    String text = getWidth() + "x" + getHeight();
    FontMetrics fm = g2d.getFontMetrics();
    int x = (getWidth() - fm.stringWidth(text)) / 2;
    int y = ((getHeight() - fm.getHeight()) / 2) + fm.getAscent();
    g2d.drawString(text, x, y);/*  w ww.  ja v  a2s  .c om*/
    g2d.dispose();
}

---

From source file:FontSizeAnimation.java

public void paint(Graphics g) {
    super.paintComponent(g);
    Graphics2D g2d = (Graphics2D) g;

    Font font = new Font("Dialog", Font.PLAIN, x);
    g2d.setFont(font);//from  w  w  w . ja v a2  s  .  c  om

    FontMetrics fm = g2d.getFontMetrics();
    String s = "Java";

    int w = (int) getSize().getWidth();
    int h = (int) getSize().getHeight();

    int stringWidth = fm.stringWidth(s);

    g2d.drawString(s, (w - stringWidth) / 2, h / 2);
}

---

From source file:org.evors.rs.ui.sandpit.TrialViewer.java

public void drawText(Graphics2D g2, String text) {
    FontMetrics fm = g2.getFontMetrics();
    List<String> strings = Splitter.on("\n").splitToList(text);
    float x1 = 40, y = 40;
    int dx = 0;//from   w ww. ja  v  a 2 s  . c  o m

    for (String s : strings) {
        int width = fm.stringWidth(s);
        if (width > dx) {
            dx = width;
        }
    }
    g2.setColor(new Color(0.6f, 0.6f, 0.6f, 0.6f));
    g2.fillRect((int) x1, (int) y - fm.getHeight(), dx + 5, fm.getHeight() * strings.size() + 5);
    g2.setColor(Color.red);
    for (String s : strings) {
        g2.drawString(s, 40, y);
        y += fm.getHeight();
    }

}

---

From source file:com.alibaba.webx.tutorial.app1.module.screen.simple.SayHiImage.java

private void writeImage(OutputStream out) throws IOException {
    BufferedImage img = new BufferedImage(800, 600, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2d = img.createGraphics();

    g2d.setPaint(Color.red);//from w w  w .  jav  a 2  s .  co  m
    g2d.setFont(new Font("Serif", Font.BOLD, 36));
    g2d.drawString("Hi there, how are you doing today?", 5, g2d.getFontMetrics().getHeight());
    g2d.dispose();

    ImageIO.write(img, "jpg", out);
}

---

From source file:$.SayHiImage.java

private void writeImage(OutputStream out) throws IOException {
        BufferedImage img = new BufferedImage(800, 600, BufferedImage.TYPE_INT_RGB);
        Graphics2D g2d = img.createGraphics();

        g2d.setPaint(Color.red);//from w  w w  .ja v a2  s  .c om
        g2d.setFont(new Font("Serif", Font.BOLD, 36));
        g2d.drawString("Hi there, how are you doing today?", 5, g2d.getFontMetrics().getHeight());
        g2d.dispose();

        ImageIO.write(img, "jpg", out);
    }

---

From source file:Main.java

public void render(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;
    g2d.setColor(Color.WHITE);//from   w w  w. ja v  a 2s  . co  m
    Font font = new Font("Verdana", Font.PLAIN, 20);
    g2d.setFont(font);
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    FontMetrics fm = g2d.getFontMetrics();

    String option = "This is a test";

    int x = (getWidth() - fm.stringWidth(option)) / 2;
    int y = ((getHeight() - fm.getHeight()) / 2);
    g2d.drawString(option, x, y + fm.getAscent());
    g2d.drawRect((int) x - 20, (int) y - 10, (int) fm.stringWidth(option) + 40, (int) fm.getHeight() + 20);
}

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