javax.swing.AbstractButton#getHeight ( )源码实例Demo

protected void paintFocus(
  Graphics g,
  AbstractButton b,
  Rectangle viewRect,
  Rectangle textRect,
  Rectangle iconRect) {
  if (b.getParent() instanceof JToolBar) {
    // Windows doesn't draw the focus rect for buttons in a toolbar.
    return;
  }

  // focus painted same color as text
  int width = b.getWidth();
  int height = b.getHeight();
  g.setColor(getFocusColor());
  BasicGraphicsUtils.drawDashedRect(
    g,
    dashedRectGapX,
    dashedRectGapY,
    width - dashedRectGapWidth,
    height - dashedRectGapHeight);
}
 

@Override
   protected void paintFocus(Graphics g, AbstractButton b, Rectangle viewRect, Rectangle textRect, Rectangle iconRect){

int width = b.getWidth();
int height = b.getHeight();
g.setColor(getFocusColor());
BasicGraphicsUtils.drawDashedRect(g, dashedRectGapX, dashedRectGapY,
				  width - dashedRectGapWidth, height - dashedRectGapHeight);
   }
 

/**
 * <pre>
 * 绘制圆角背景, 设置组件偏移实现按钮按下和弹起效果。
 * -------------------------------------------------------------------------------------------------
 * Draw a rounded background.
 * set the component offset to achieve the button press and pop-up effect.
 * </pre>
 *
 * @param g Graphics to paint to
 * @param b AbstractButton painting on
 * @return paint background return true, otherwise return false.
 */
protected void paintBg(Graphics g, AbstractButton b)
{
    if(!checkIsPaintBg(b))
    {
        return;
    }

    int w = b.getWidth();

    int h = b.getHeight();

    Graphics2D g2d = (Graphics2D)g;

    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    if(b.getModel().isPressed() && b.getModel().isArmed())
    {
        // 点击按钮
        // pressed button
        g2d.setColor(btnColorInfo.getPressedColor());
    }
    else if(b.getModel().isRollover() && b.isRolloverEnabled())
    {
        // 鼠标经过
        // mouse enter button
        g2d.setColor(btnColorInfo.getRollverColor());
    }
    else
    {
        g2d.setColor(btnColorInfo.getNormalColor());
    }

    g2d.fillRoundRect(0, 0, w, h, 8, 8);

    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
}
 

/**
 * Creates the default {@link Shape} for the given button.
 *
 * @param b
 *            the button to create the shape for
 * @return the shape instance
 */
public static Shape createShapeForButton(AbstractButton b) {
	int w = b.getWidth();
	int h = b.getHeight();
	boolean circular = Boolean.parseBoolean(String.valueOf(b.getClientProperty(RapidLookTools.PROPERTY_BUTTON_CIRCLE)));

	if (circular) {
		return createCircle(w, h);
	} else {
		return new RoundRectangle2D.Double(1, 1, w - 2, h - 2, RapidLookAndFeel.CORNER_DEFAULT_RADIUS,
				RapidLookAndFeel.CORNER_DEFAULT_RADIUS);
	}
}
 

/**
 * Creates the border {@link Shape} for the given button.
 *
 * @param b
 *            the button to create the border shape for
 * @return the border shape instance
 */
public static Shape createBorderShapeForButton(AbstractButton b) {
	int w = b.getWidth();
	int h = b.getHeight();
	boolean circular = Boolean.parseBoolean(String.valueOf(b.getClientProperty(RapidLookTools.PROPERTY_BUTTON_CIRCLE)));

	if (circular) {
		return createCircle(w, h);
	} else {
		return new RoundRectangle2D.Double(0, 0, w - 1, h - 1, RapidLookAndFeel.CORNER_DEFAULT_RADIUS,
				RapidLookAndFeel.CORNER_DEFAULT_RADIUS);
	}
}
 

protected void paintFocus(Graphics g, AbstractButton b, Rectangle viewRect, Rectangle textRect, Rectangle iconRect){
		//* 由Jack Jiang于2012-10-16日注释掉以下行：目的是修正当JButton处于JToolBar时不能绘制焦点的问题
//		if (b.getParent() instanceof JToolBar) {
//			// Windows doesn't draw the focus rect for buttons in a toolbar.
//			return;
//		}

		//** 被jb2011注释掉：目的是使得在任何情况下都绘制\获得焦点后的虚线框
//		if (NLXPStyle.getXP() != null) {
//			return;
//		}

		// focus painted same color as text on Basic??
		int width = b.getWidth();
		int height = b.getHeight();
		g.setColor(getFocusColor());
		
		//** modified by jb2011：绘制虚线方法改成可以设置虚线步进的方法，步进设为2则更好看一点
//		BasicGraphicsUtils.drawDashedRect(g, dashedRectGapX, dashedRectGapY,
//				width - dashedRectGapWidth, height - dashedRectGapHeight);
		// 绘制虚线框
		BEUtils.drawDashedRect(g, dashedRectGapX, dashedRectGapY,
				width - dashedRectGapWidth, height - dashedRectGapHeight);
		// 绘制虚线框的半透明白色立体阴影（半透明的用处在于若隐若现的效果比纯白要来的柔和的多）
		g.setColor(new Color(255,255,255,50));
		// 立体阴影就是向右下偏移一个像素实现的
		BEUtils.drawDashedRect(g, dashedRectGapX+1, dashedRectGapY+1,
				width - dashedRectGapWidth, height - dashedRectGapHeight);
	}
 

public void paint(Graphics g, JComponent c) {
  AbstractButton b = (AbstractButton)c;
  ButtonModel model = b.getModel();

  FontMetrics fm = g.getFontMetrics();

  Insets i = c.getInsets();

  viewRect.x = i.left;
  viewRect.y = i.top;
  viewRect.width = b.getWidth() - (i.right + viewRect.x);
  viewRect.height = b.getHeight() - (i.bottom + viewRect.y);

  textRect.x = textRect.y = textRect.width = textRect.height = 0;
  iconRect.x = iconRect.y = iconRect.width = iconRect.height = 0;

  Font f = c.getFont();
  g.setFont(f);

  // layout the text and icon
  String text =
    SwingUtilities.layoutCompoundLabel(
      c,
      fm,
      b.getText(),
      b.getIcon(),
      b.getVerticalAlignment(),
      b.getHorizontalAlignment(),
      b.getVerticalTextPosition(),
      b.getHorizontalTextPosition(),
      viewRect,
      iconRect,
      textRect,
      b.getText() == null ? 0 : b.getIconTextGap());

  clearTextShiftOffset();

  // perform UI specific press action, e.g. Windows L&F shifts text
  if (model.isArmed() && model.isPressed()) {
    paintButtonPressed(g, b);
  }

  // Paint the Icon
  if (b.getIcon() != null) {
    paintIcon(g, c, iconRect);
  }

  Composite oldComposite = ((Graphics2D)g).getComposite();

  if (model.isRollover()) {
    ((Graphics2D)g).setComposite(
      AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f));
  }

  if (text != null && !text.equals("")) {
    View v = (View)c.getClientProperty(BasicHTML.propertyKey);
    if (v != null) {
      textRect.x += getTextShiftOffset();
      textRect.y += getTextShiftOffset();
      v.paint(g, textRect);
      textRect.x -= getTextShiftOffset();
      textRect.y -= getTextShiftOffset();
    } else {
      paintText(g, b, textRect, text);
    }
  }

  if (b.isFocusPainted() && b.hasFocus()) {
    // paint UI specific focus
    paintFocus(g, b, viewRect, textRect, iconRect);
  }

  ((Graphics2D)g).setComposite(oldComposite);
}
 

@Override
public void paint(Graphics g1, JComponent c) {
	Graphics2D g = DrawHelper.enableAntialiasing(g1);

	AbstractButton b = (AbstractButton) c;
	ButtonModel model = b.getModel();

	boolean down;
	if (c instanceof JToggleButton) {
		down = ((JToggleButton) c).isSelected();
	} else {
		down = model.isArmed() && model.isPressed();
	}

	BufferedImage bg;
	BufferedImage[] border;
	float scale = this.scale;

	if (down) {
		border = BORDER_DOWN;
		scale /= 2;
		bg = backgroundImagePressed;
	} else {
		bg = backgroundImage;
		border = BORDER_NORMAL;
	}

	// Draw background
	g.drawImage(bg, 0, 0, c);

	BorderHelper.drawBorder(g1, c, border, scale);

	FontMetrics fm = g.getFontMetrics();
	int y = (b.getHeight() - fm.getAscent() - fm.getDescent()) / 2 + fm.getAscent();
	int x = textPaddingLeftRight;

	if (down) {
		x += 1;
		y += 1;
	}

	g.setFont(c.getFont());

	// draw shadow
	g.setColor(Color.BLACK);
	g.drawString(b.getText(), x + 1, y + 1);
	g.setColor(c.getForeground());
	g.drawString(b.getText(), x, y);
}