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

protected void paintBackground(Graphics2D g, AbstractButton b) {
    Dimension size = b.getSize();
    
    Insets insets = b.getInsets();
    Insets margin = b.getMargin();
    if( null == insets || null == margin )
        return;
    g.fillRect(insets.left - margin.left,
        insets.top - margin.top,
    size.width - (insets.left-margin.left) - (insets.right - margin.right),
    size.height - (insets.top-margin.top) - (insets.bottom - margin.bottom));
}
 

@Override
protected void paintButtonPressed(Graphics g, AbstractButton c) {
    if (c.isContentAreaFilled()) {
        Graphics2D g2d = (Graphics2D) g;
        Dimension size = c.getSize();
        Composite oldComposite = g2d.getComposite();
        Color oldColor = g2d.getColor();
        g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.1f));
        g2d.setColor(Color.BLACK);
        g2d.fillRect(0, 0, size.width, size.height);
        g2d.setComposite(oldComposite);
        g2d.setColor(oldColor);

    }
}
 

protected void paintFocus(Graphics g, AbstractButton b, Rectangle viewRect, Rectangle textRect,
		Rectangle iconRect) {
	super.paintFocus(g, b, viewRect, textRect, iconRect);
	if (b instanceof RPButton) {
		RPButton link = (RPButton) b;
		if (link.getBtnGroup() != null && link.isLeftNode()) {
			float width = link.getWidth();
			float height = link.getHeight();
			int arc = link.getBtnGroup().getArc();
			Graphics2D g2 = (Graphics2D) g.create();
			g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
			g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
			RoundRectangle2D rect = new RoundRectangle2D.Float(iconRect.x + getTextShiftOffset(),
					iconRect.y + getTextShiftOffset(), width, height, link.getBtnGroup().getArc(), arc);
			g2.setColor(getFocusColor());
			g2.fill(rect);
			Rectangle2D rectFix = new Rectangle((int) width - arc, 0, (int) arc, (int) height);
			g2.fill(rectFix);
			g2.dispose();
		} else {
			Dimension size = b.getSize();
			g.setColor(getFocusColor());
			g.fillRect(0, 0, size.width, size.height);

		}
	}
}
 

protected void paintButtonBackground(Graphics g, AbstractButton b) {
	if (b.isContentAreaFilled()) {
		if (b instanceof RPButton) {
			RPButton link = (RPButton) b;
			if (link.getBtnGroup() != null && link.isLeftNode()) {
				float width = link.getWidth();
				float height = link.getHeight();
				int arc = link.getBtnGroup().getArc();
				Graphics2D g2 = (Graphics2D) g.create();
				g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
				g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);

				RoundRectangle2D rect = new RoundRectangle2D.Float(0, 0, width, height, link.getBtnGroup().getArc(),
						arc);
				g2.setColor(b.getBackground());
				g2.fill(rect);

				Rectangle2D rectFix = new Rectangle((int) width - arc, 0, (int) arc, (int) height);
				g2.fill(rectFix);

				g2.dispose();
			} else {
				Dimension size = b.getSize();
				g.setColor(b.getBackground());
				g.fillRect(0, 0, size.width, size.height);
			}
		}
	}
}
 

protected void paintButtonPressed(Graphics g, AbstractButton b) {
	if (b.isContentAreaFilled()) {
		if (b instanceof RPButton) {
			RPButton link = (RPButton) b;
			if (link.getBtnGroup() != null && link.isLeftNode()) {
				float width = link.getWidth();
				float height = link.getHeight();
				int arc = link.getBtnGroup().getArc();

				Graphics2D g2 = (Graphics2D) g.create();
				g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
				g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);

				RoundRectangle2D rect = new RoundRectangle2D.Float(0, 0, width, height, link.getBtnGroup().getArc(),
						arc);
				g2.setColor(getSelectColor());
				g2.fill(rect);

				Rectangle2D rectFix = new Rectangle((int) width - arc, 0, (int) arc, (int) height);
				g2.fill(rectFix);

				g2.dispose();
			} else {
				Dimension size = b.getSize();
				g.setColor(getSelectColor());
				g.fillRect(0, 0, size.width, size.height);
			}
		}
	}
}
 

protected void paintButtonPressed(Graphics g, AbstractButton b) {
	if (b.isContentAreaFilled()) {
		if (b instanceof RPNavlink) {
			RPNavlink link = (RPNavlink) b;
			if (link.isLeftNode()) {
				float width = link.getWidth();
				float height = link.getHeight();
				int arc = link.getNavbar().getArc();

				Graphics2D g2 = (Graphics2D) g.create();
				g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
				g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);

				RoundRectangle2D rect = new RoundRectangle2D.Float(0, 0, width, height, link.getNavbar().getArc(),
						arc);
				g2.setColor(getSelectColor());
				g2.fill(rect);

				Rectangle2D rectFix = new Rectangle((int) width - arc, 0, (int) arc, (int) height);
				g2.fill(rectFix);

				g2.dispose();
			} else {
				Dimension size = b.getSize();
				g.setColor(getSelectColor());
				g.fillRect(0, 0, size.width, size.height);
			}
		}
	}
}
 

@Override
public void paint(Graphics g, JComponent c) {
	AbstractButton b = (AbstractButton) c;

	Dimension size = b.getSize();
	FontMetrics fm = g.getFontMetrics();

	Insets i = c.getInsets();

	Rectangle viewRect = new Rectangle(size);

	viewRect.x += i.left;
	viewRect.y += i.top;
	viewRect.width -= i.right + viewRect.x;
	viewRect.height -= i.bottom + viewRect.y;

	Rectangle iconRect = new Rectangle();
	Rectangle textRect = new Rectangle();

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

	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());

	g.setColor(b.getBackground());

	if (b.isContentAreaFilled()) {
		if (RapidLookTools.isToolbarButton(b)) {
			RapidLookTools.drawToolbarButton(g, b);
		} else {
			RapidLookTools.drawButton(b, g, RapidLookTools.createShapeForButton(b));
		}
	}

	if (b.getIcon() != null) {
		paintIcon(g, b, iconRect);
	}

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

	if (b.isFocusPainted() && b.hasFocus()) {
		paintFocus(g, b, viewRect, textRect, iconRect);
	}

	if (!RapidLookTools.isToolbarButton(b)) {
		if (b.isBorderPainted()) {
			RapidLookTools.drawButtonBorder(b, g, RapidLookTools.createBorderShapeForButton(b));
		}
	}
}