TITLE:Separatorを波線で表示
Posted by terai at 2006-06-19

Separatorを波線で表示

波線を使ったSeparatorを作成します。
  • category: swing folder: WavyLineSeparator title: Separatorを波線で表示 tags: [JSeparator, Icon] author: aterai pubdate: 2006-06-19T06:28:53+09:00 description: Iconで波パターンを作成し、これを順番に並べて波線を描画するJSeparatorを作成します。 image: https://lh4.googleusercontent.com/_9Z4BYR88imo/TQTWkeY23gI/AAAAAAAAApc/r6W1VFeeAYA/s800/WavyLineSeparator.png

概要

Iconで波パターンを作成し、これを順番に並べて波線を描画するJSeparatorを作成します。

#screenshot

サンプルコード

#spanend
#spandel
class WavyLineSeparator extends JSeparator{
#spanend
  private final static int ICONWIDTH = 3;
  private final Icon tileIcon;
#spanadd
* サンプルコード [#sourcecode]
#spanend
#spanadd
#code(link){{
#spanend
#spanadd
class WavyLineSeparator extends JSeparator {
#spanend
  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);
  }
#spanadd

#spanend
  public WavyLineSeparator(int orientation) {
    super(orientation);
    tileIcon = new WavyLineIcon();
    if(orientation==SwingConstants.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));
    if (orientation == HORIZONTAL) {
      setBorder(BorderFactory.createEmptyBorder(2, 1, 2, 1));
    } else {
      setBorder(BorderFactory.createEmptyBorder(1, 2, 1, 2));
    }
  }
  @Override
  public void paintComponent(Graphics g) {
    //super.paintComponent(g);
    int xpos, ypos;
    int tileW = tileIcon.getIconWidth();
    int tileH = tileIcon.getIconHeight();
#spanadd

#spanend
  @Override protected void paintComponent(Graphics g) {
    // super.paintComponent(g);
    // 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);
    } else {
      for (pos = i.top; getHeight() - pos > 0; pos += WAVY_VLINE.getIconHeight()) {
        WAVY_VLINE.paintIcon(this, g, i.left, pos);
      }
    }
  }
  class WavyLineIcon implements Icon {
#spanadd

#spanend
  @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);
    }
  }
#spanadd

#spanend
  static class WavyLineIcon implements Icon {
    private final Color sfc = UIManager.getColor("Separator.foreground");
    //1.5 @Override
    public void paintIcon(Component c, Graphics g, int x, int y) {
      Graphics2D g2 = (Graphics2D)g;
    private final int orientation;
    public WavyLineIcon() {
      this.orientation = HORIZONTAL;
    }
#spanadd

#spanend
    public WavyLineIcon(int orientation) {
      this.orientation = orientation;
    }
#spanadd

#spanend
    @Override public void paintIcon(Component c, Graphics g, int x, int y) {
      Graphics2D g2 = (Graphics2D) g.create();
      AffineTransform oldTransform = g2.getTransform();
      g2.setPaint(sfc);
      if(getOrientation()==SwingConstants.VERTICAL) {
        g2.translate(x+getIconWidth(), y);
        g2.rotate(Math.PI/2);
      }else{
        g2.translate(x,y);
      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.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.dispose();
    }
    //1.5 @Override
    public int getIconWidth()  {
      return (getOrientation()==SwingConstants.HORIZONTAL)?
        ICONWIDTH*2:ICONWIDTH;
#spanadd

#spanend
    @Override public int getIconWidth() {
      return (orientation == HORIZONTAL) ? ICONWIDTH * 2 : ICONWIDTH;
    }
    //1.5 @Override
    public int getIconHeight() {
      return (getOrientation()==SwingConstants.HORIZONTAL)?
        ICONWIDTH:ICONWIDTH*2;
#spanadd

#spanend
    @Override public int getIconHeight() {
      return (orientation == HORIZONTAL) ? ICONWIDTH : ICONWIDTH * 2;
    }
  }
}

解説

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。

解説

上記のサンプルでは、水平用の波パターンIconを作成し、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90度回転して生成しています。

コメント

  • SwingConstants.VERTICAL に対応しました。 -- terai

参考リンク

コメント