Font.STYLE_UNDERLINED : Font « javax.microedition.lcdui « Java by API

1. Java by API
2. javax.microedition.lcdui
3. Font

Font.STYLE_UNDERLINED

 


import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Graphics;
import javax.microedition.midlet.MIDlet;

public class FontMIDlet extends MIDlet implements CommandListener {
  private FontCanvas mFontCanvas;

  private Command mBoldCommand, mItalicCommand, mUnderlineCommand;

  public FontMIDlet() {
    mFontCanvas = new FontCanvas();

    mBoldCommand = new Command("Bold", Command.SCREEN, 0);
    mItalicCommand = new Command("Italic", Command.SCREEN, 0);
    mUnderlineCommand = new Command("Underline", Command.SCREEN, 0);
    Command exitCommand = new Command("Exit", Command.EXIT, 0);

    mFontCanvas.addCommand(mBoldCommand);
    mFontCanvas.addCommand(mItalicCommand);
    mFontCanvas.addCommand(mUnderlineCommand);
    mFontCanvas.addCommand(exitCommand);
    mFontCanvas.setCommandListener(this);
  }

  public void startApp() {
    Display.getDisplay(this).setCurrent(mFontCanvas);
  }

  public void pauseApp() {
  }

  public void destroyApp(boolean unconditional) {
  }

  public void commandAction(Command c, Displayable s) {
    if (c.getCommandType() == Command.EXIT) {
      notifyDestroyed();
      return;
    }

    boolean isBold = mFontCanvas.isBold() ^ (c == mBoldCommand);
    boolean isItalic = mFontCanvas.isItalic() ^ (c == mItalicCommand);
    boolean isUnderline = mFontCanvas.isUnderline() ^ (c == mUnderlineCommand);

    int style = (isBold ? Font.STYLE_BOLD : 0) | (isItalic ? Font.STYLE_ITALIC : 0)
        | (isUnderline ? Font.STYLE_UNDERLINED : 0);

    mFontCanvas.setStyle(style);
    mFontCanvas.repaint();
  }
}

class FontCanvas extends Canvas {
  private Font mSystemFont, mMonospaceFont, mProportionalFont;

  public FontCanvas() {
    this(Font.STYLE_PLAIN);
  }

  public FontCanvas(int style) {
    setStyle(style);
  }

  public void setStyle(int style) {
    mSystemFont = Font.getFont(Font.FACE_SYSTEM, style, Font.SIZE_MEDIUM);
    mMonospaceFont = Font.getFont(Font.FACE_MONOSPACE, style, Font.SIZE_MEDIUM);
    mProportionalFont = Font.getFont(Font.FACE_PROPORTIONAL, style, Font.SIZE_MEDIUM);
  }

  public boolean isBold() {
    return mSystemFont.isBold();
  }

  public boolean isItalic() {
    return mSystemFont.isItalic();
  }

  public boolean isUnderline() {
    return mSystemFont.isUnderlined();
  }

  public void paint(Graphics g) {
    int w = getWidth();
    int h = getHeight();

    int x = w / 2;
    int y = 20;

    y += showFont(g, "System", x, y, mSystemFont);
    y += showFont(g, "Monospace", x, y, mMonospaceFont);
    y += showFont(g, "Proportional", x, y, mProportionalFont);
  }

  private int showFont(Graphics g, String s, int x, int y, Font f) {
    g.setFont(f);
    g.drawString(s, x, y, Graphics.TOP | Graphics.HCENTER);
    return f.getHeight();
  }
}

   
  

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