Example usage for java.awt FontMetrics stringWidth

Introduction

In this page you can find the example usage for java.awt FontMetrics stringWidth.

Prototype

public int stringWidth(String str)

Source Link

Document

Returns the total advance width for showing the specified String in this Font .

Usage

From source file:edu.ku.brc.ui.GraphicsUtils.java

/**
 * @param fm/*from   w ww .  j  a va 2 s .  c o  m*/
 * @param text
 * @param availableWidth
 * @return
 */
public static String clipString(FontMetrics fm, String text, int availableWidth) {
    // first see if the string needs clipping at all

    if (text == null) {
        return "";
    }

    if (fm.stringWidth(text) < availableWidth) {
        return text;
    }

    String dots = "...";

    StringBuilder sb = new StringBuilder(text + dots);
    while (sb.length() - 4 > 0 && fm.stringWidth(sb.toString()) > availableWidth) {
        sb.deleteCharAt(sb.length() - 4);
    }
    return sb.toString();
}

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);/*from w  ww . j av a  2 s . c  o  m*/
    FontMetrics fm = g.getFontMetrics(font);

    setPreferredAliasingMode(g);

    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:com.limegroup.gnutella.gui.GUIUtils.java

/**
 * Gets the width of a given label./*from ww  w  .  j a v a 2 s .com*/
 */
public static int width(JLabel c) {
    FontMetrics fm = c.getFontMetrics(c.getFont());
    return fm.stringWidth(c.getText()) + 3;
}

From source file:com.limegroup.gnutella.gui.GUIUtils.java

/**
 * Returns a label with multiple lines that is sized according to
 * the string parameter./*ww w.  ja  va 2 s.c o  m*/
 *
 * @param msg the string that will be contained in the label.
 *
 * @return a MultiLineLabel sized according to the passed
 *  in string.
 */
public static MultiLineLabel getSizedLabel(String msg) {
    Dimension dim = new Dimension();
    MultiLineLabel label = new MultiLineLabel(msg);
    FontMetrics fm = label.getFontMetrics(label.getFont());
    int width = fm.stringWidth(msg);
    dim.setSize(Integer.MAX_VALUE, width / 9); //what's this magic?
    label.setPreferredSize(dim);
    return label;
}

From source file:util.ui.UiUtilities.java

/**
 * Gets the width of the specified String.
 *
 * @param str/* w  w  w.j  a  va 2 s .c  om*/
 *          The String to get the width for.
 * @param font
 *          The font being the base of the measure.
 * @return the width of the specified String.
 */
public static int getStringWidth(Font font, String str) {
    if (str == null) {
        return 0;
    }

    FontMetrics metrics = HELPER_LABEL.getFontMetrics(font);
    return metrics.stringWidth(str);
}

From source file:CenterTextRectangle.java

public void drawCenteredString(String s, int w, int h, Graphics g) {
    FontMetrics fm = g.getFontMetrics();
    int x = (w - fm.stringWidth(s)) / 2;
    int y = (fm.getAscent() + (h - (fm.getAscent() + fm.getDescent())) / 2);
    g.drawString(s, x, y);/*  ww  w . j  av  a 2  s  . c  o m*/
}

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 .java2 s .c  o  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 = 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);/*from   w w  w .  j  ava2 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 = "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);/* ww  w  .  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();

    g2d.setColor(Color.RED);// w w  w  .  j ava 2 s  .c  om
    g2d.drawLine(getWidth() / 2, 0, getWidth() / 2, getHeight());
    g2d.drawLine(0, getHeight() / 2, getWidth(), getHeight() / 2);

    Font font = new Font("Arial", Font.BOLD, 48);
    g2d.setFont(font);
    FontMetrics fm = g2d.getFontMetrics();
    int x = ((getWidth() - fm.stringWidth(text)) / 2);
    int y = ((getHeight() - fm.getHeight()) / 2) + fm.getAscent();

    g2d.setColor(Color.BLACK);
    g2d.drawString(text, x, y);

    g2d.dispose();
}