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TITLE:Separatorを波線で表示
#navi(../)
RIGHT:Posted by [[terai]] at 2006-06-19
#tags()
RIGHT:Posted by &author(aterai); at 2006-06-19
*Separatorを波線で表示 [#g6af9d8e]
波線を使ったSeparatorを作成します。

-&jnlp;
-&jar;
-&zip;

#screenshot
//#screenshot
#ref(http://lh4.ggpht.com/_9Z4BYR88imo/TQTWkeY23gI/AAAAAAAAApc/r6W1VFeeAYA/s800/WavyLineSeparator.png)

**サンプルコード [#r8936d7c]
#code{{
class WavyLineSeparator extends JSeparator{
  private final static int ICONWIDTH = 3;
  private final Icon tileIcon;
#code(link){{
class WavyLineSeparator extends JSeparator {
  private static final int ICONWIDTH = 3;
  private static final Icon WAVY_HLINE = new WavyLineIcon();
  private static final Icon WAVY_VLINE = new WavyLineIcon(VERTICAL);
  public WavyLineSeparator() {
    this(SwingConstants.HORIZONTAL);
    this(HORIZONTAL);
  }
  public WavyLineSeparator(int orientation) {
    super(orientation);
    tileIcon = new WavyLineIcon();
    if(orientation==SwingConstants.HORIZONTAL) {
    if(orientation==HORIZONTAL) {
      setBorder(BorderFactory.createEmptyBorder(2,1,2,1));
      int w = ICONWIDTH+getInsets().top+getInsets().bottom;
      setPreferredSize(new Dimension(100, w));
      setMinimumSize(new Dimension(0, w));
      setMaximumSize(new Dimension(Integer.MAX_VALUE, w));
    }else{
      setBorder(BorderFactory.createEmptyBorder(1,2,1,2));
      int w = ICONWIDTH+getInsets().left+getInsets().right;
      setPreferredSize(new Dimension(w, 30));
      setMinimumSize(new Dimension(w, 0));
      setMaximumSize(new Dimension(w, Integer.MAX_VALUE));
    }
  }
  @Override
  public void paintComponent(Graphics g) {
  @Override public void paintComponent(Graphics g) {
    //super.paintComponent(g);
    int xpos, ypos;
    int tileW = tileIcon.getIconWidth();
    int tileH = tileIcon.getIconHeight();
    //g.setClip(0, 0, getWidth(), getHeight());
    int pos;
    Insets i = getInsets();
    if(getOrientation()==SwingConstants.HORIZONTAL) {
      for(xpos = i.left; getWidth() - xpos > 0; xpos += tileW) {
        tileIcon.paintIcon(this, g, xpos, i.top);
    if(getOrientation()==HORIZONTAL) {
      for(pos=i.left;getWidth()-pos>0;pos+=WAVY_HLINE.getIconWidth()) {
        WAVY_HLINE.paintIcon(this, g, pos, i.top);
      }
    }else{
      for(ypos = i.top; getHeight() - ypos > 0; ypos += tileH) {
        tileIcon.paintIcon(this, g, i.left, ypos);
      for(pos=i.top;getHeight()-pos>0;pos+=WAVY_VLINE.getIconHeight()) {
        WAVY_VLINE.paintIcon(this, g, i.left, pos);
      }
    }
  }
  class WavyLineIcon implements Icon {
  @Override public Dimension getPreferredSize() {
    Insets i = getInsets();
    if(getOrientation()==HORIZONTAL) {
      return new Dimension(30, ICONWIDTH+i.top+i.bottom);
    }else{
      return new Dimension(ICONWIDTH+i.left+i.right, 30);
    }
  }
  static class WavyLineIcon implements Icon {
    private final Color sfc = UIManager.getColor("Separator.foreground");
    private final int orientation;
    public WavyLineIcon() {
      this.orientation = HORIZONTAL;
    }
    public WavyLineIcon(int orientation) {
      this.orientation = orientation;
    }
    @Override public void paintIcon(Component c, Graphics g, int x, int y) {
      Graphics2D g2 = (Graphics2D)g;
      AffineTransform oldTransform = g2.getTransform();
      g2.setPaint(sfc);
      if(getOrientation()==SwingConstants.VERTICAL) {
      if(orientation==VERTICAL) {
        g2.translate(x+getIconWidth(), y);
        g2.rotate(Math.PI/2);
      }else{
        g2.translate(x,y);
      }
      g2.drawLine( 0, 2, 0, 2 );
      g2.drawLine( 1, 1, 1, 1 );
      g2.drawLine( 2, 0, 3, 0 );
      g2.drawLine( 4, 1, 4, 1 );
      g2.drawLine( 5, 2, 5, 2 );
      g2.setTransform(oldTransform); 
      g2.setTransform(oldTransform);
    }
    @Override public int getIconWidth()  {
      return (getOrientation()==SwingConstants.HORIZONTAL)?
        ICONWIDTH*2:ICONWIDTH;
      return (orientation==HORIZONTAL)?ICONWIDTH*2:ICONWIDTH;
    }
    @Override public int getIconHeight() {
      return (getOrientation()==SwingConstants.HORIZONTAL)?
        ICONWIDTH:ICONWIDTH*2;
      return (orientation==HORIZONTAL)?ICONWIDTH:ICONWIDTH*2;
    }
  }
}
}}

**解説 [#q8db10c5]
水平用の波パターンIconを作成して、これを順番に並べてセパレータとして描画しています。垂直用のパターンは水平用を回転して生成しています。

//**参考リンク
**コメント [#l8c965e9]
- SwingConstants.VERTICAL に対応しました。 -- [[terai]] &new{2006-06-19 (月) 14:39:49};
- SwingConstants.VERTICAL に対応しました。 -- [[aterai]] &new{2006-06-19 (月) 14:39:49};

#comment