Java Code Examples for java.awt.Graphics#setClip()

private void drawRemaining(Rectangle rectangle, Component lp, BufferedImage pic) {
	if ((rectangle.x + rectangle.width) > lp.getWidth()) {
		rectangle.width = lp.getWidth() - rectangle.x;
	}
	if ((rectangle.y + rectangle.height) > lp.getHeight()) {
		rectangle.height = lp.getHeight() - rectangle.y;
	}
	if (!rectangle.isEmpty()) {
		Graphics g = pic.createGraphics();
		g.translate(-rectangle.x, -rectangle.y);
		g.setClip(rectangle);
		boolean doubleBuffered = lp.isDoubleBuffered();
		if (lp instanceof JComponent) {
			((JComponent) lp).setDoubleBuffered(false);
			lp.paint(g);
			((JComponent) lp).setDoubleBuffered(doubleBuffered);
		} else {
			lp.paint(g);
		}
		g.dispose();
	}
}
 

public void paint(Graphics g) {
       // Create an image for the button graphics if necessary
       if (buttonImage == null || buttonImage.getWidth() != getWidth() ||
               buttonImage.getHeight() != getHeight()) {
           buttonImage = getGraphicsConfiguration().
                   createCompatibleImage(getWidth(), getHeight());
       }
       Graphics gButton = buttonImage.getGraphics();
       gButton.setClip(g.getClip());
       
       //  Have the superclass render the button for us
       super.paint(gButton);
       
       // Make the graphics object sent to this paint() method translucent
Graphics2D g2d  = (Graphics2D)g;
AlphaComposite newComposite = 
    AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha);
g2d.setComposite(newComposite);
       
       // Copy the button's image to the destination graphics, translucently
       g2d.drawImage(buttonImage, 0, 0, null);
   }
 

public void paint(Graphics g) {
    if (tooltipPainter == null) return;

    Rectangle bounds = new Rectangle(0, 0, getWidth(), getHeight());
    Rectangle clip = g.getClipBounds();
    if (clip == null) g.setClip(bounds);
    else g.setClip(clip.intersection(bounds));

    super.paint(g);
}
 

public static void main(String[] args) {
    Component c = new Component() {};
    c.setBackground(Color.WHITE);
    c.setForeground(Color.BLACK);
    Graphics g = new BufferedImage(1024, 768, BufferedImage.TYPE_INT_RGB).getGraphics();
    g.setClip(0, 0, 1024, 768);
    for (Border border : BORDERS) {
        System.out.println(border.getClass());
        border.getBorderInsets(c);
        border.paintBorder(c, g, 0, 0, 1024, 768);
    }
}
 

public static void main(String[] args) {
    Component c = new Component() {};
    c.setBackground(Color.WHITE);
    c.setForeground(Color.BLACK);
    Graphics g = new BufferedImage(1024, 768, BufferedImage.TYPE_INT_RGB).getGraphics();
    g.setClip(0, 0, 1024, 768);
    for (Border border : BORDERS) {
        System.out.println(border.getClass());
        border.getBorderInsets(c);
        border.paintBorder(c, g, 0, 0, 1024, 768);
    }
}
 

/**
 * Paint the cached component.
 *
 * @param g graphics
 */
public void paintComponent(Graphics g) {
	/*
	 * A Component listener would be cleaner way to detect resizes.
	 * Unfortunately the component gets drawn before the listener gets
	 * notified.
	 */
	int width = component.getWidth();
	int height = component.getHeight();
	if (cachedImage == null || (oldWidth != width) || (oldHeight != height)) {
		oldWidth = width;
		oldHeight = height;

		// Create a new image, and draw the components onto it
		cachedImage = component.getGraphicsConfiguration().createCompatibleImage(width, height, Transparency.OPAQUE);
		Graphics imageGraphics = cachedImage.getGraphics();
		imageGraphics.setClip(0, 0, width, height);
		component.paintComponent(imageGraphics);
		component.paintBorder(imageGraphics);
		if (paintChildren) {
			/*
			 * JComponent.paint produces garbage, and paintComponent &
			 * paintBorder need to be exposed for those that can't include
			 * the children anyway. Otherwise it would be easiest to use
			 * SwingUtilities.paintComponent and accept JComponent in the
			 * constructor, but now we need the interface anyway.
			 */
			component.paintChildren(imageGraphics);
		}
		imageGraphics.dispose();
	}
	g.drawImage(cachedImage, 0, 0, null);
}
 

public static void main(String[] args) {
    Component c = new Component() {};
    c.setBackground(Color.WHITE);
    c.setForeground(Color.BLACK);
    Graphics g = new BufferedImage(1024, 768, BufferedImage.TYPE_INT_RGB).getGraphics();
    g.setClip(0, 0, 1024, 768);
    for (Border border : BORDERS) {
        System.out.println(border.getClass());
        border.getBorderInsets(c);
        border.paintBorder(c, g, 0, 0, 1024, 768);
    }
}
 

public static void main(String[] args) {
    Component c = new Component() {};
    c.setBackground(Color.WHITE);
    c.setForeground(Color.BLACK);
    Graphics g = new BufferedImage(1024, 768, BufferedImage.TYPE_INT_RGB).getGraphics();
    g.setClip(0, 0, 1024, 768);
    for (Border border : BORDERS) {
        System.out.println(border.getClass());
        border.getBorderInsets(c);
        border.paintBorder(c, g, 0, 0, 1024, 768);
    }
}
 

public static void main(String[] args) {
    Component c = new Component() {};
    c.setBackground(Color.WHITE);
    c.setForeground(Color.BLACK);
    Graphics g = new BufferedImage(1024, 768, BufferedImage.TYPE_INT_RGB).getGraphics();
    g.setClip(0, 0, 1024, 768);
    for (Border border : BORDERS) {
        System.out.println(border.getClass());
        border.getBorderInsets(c);
        border.paintBorder(c, g, 0, 0, 1024, 768);
    }
}
 

public static void main(String[] args) {
    Component c = new Component() {};
    c.setBackground(Color.WHITE);
    c.setForeground(Color.BLACK);
    Graphics g = new BufferedImage(1024, 768, BufferedImage.TYPE_INT_RGB).getGraphics();
    g.setClip(0, 0, 1024, 768);
    for (Border border : BORDERS) {
        System.out.println(border.getClass());
        border.getBorderInsets(c);
        border.paintBorder(c, g, 0, 0, 1024, 768);
    }
}
 

private void drawImage()
{
    if (m_image == null || m_dirty == null)
        return;
    if (DEBUG_REPAINT)
        System.err.println("BoardPanel.drawImage " + m_dirty.x + " "
                           + m_dirty.y + " " + m_dirty.width + " "
                           + m_dirty.height);
    Graphics graphics = m_image.getGraphics();
    graphics.setClip(m_dirty);
    m_painter.draw(graphics, m_field, m_imageWidth, m_showGrid);
    m_dirty = null;
}
 

/**
  * Paint the rows that intersect the Graphics objects clipRect.  This
  * method calls paintCell as necessary.  Subclasses
  * may want to override these methods.
  *
  * @see #paintCell
  */
 public void paint(Graphics g, JComponent c)
 {
   maybeUpdateLayoutState();
   
   ListCellRenderer   renderer  = list.getCellRenderer();
   ListModel          dataModel = list.getModel();
   ListSelectionModel selModel  = list.getSelectionModel();
   
   if ((renderer == null) || (dataModel.getSize() == 0)) {
     return;
   }
   
   /* Compute the area we're going to paint in terms of the affected
    * rows (firstPaintRow, lastPaintRow), and the clip bounds.
    */
   
   Rectangle paintBounds   = g.getClipBounds();
   int       firstPaintRow = locationToIndex(paintBounds.x, paintBounds.y);
   int       lastPaintRow  = locationToIndex((paintBounds.x + paintBounds.width) - 1, (paintBounds.y + paintBounds.height) - 1);
   
   if (firstPaintRow == -1) {
     firstPaintRow = 0;
   }
   if (lastPaintRow == -1) {
     lastPaintRow = dataModel.getSize() - 1;
   }
   
   Rectangle rowBounds = getCellBounds(list, firstPaintRow, lastPaintRow);
   if (rowBounds == null) {
     return;
   }
   
   int leadIndex = list.getLeadSelectionIndex();
   
   for(int row = firstPaintRow; row <= lastPaintRow; row++) {
     /* Set the clip rect to be the intersection of rowBounds
      * and paintBounds and then paint the cell.
      */
     
     g.setClip(rowBounds.x, rowBounds.y, rowBounds.width, rowBounds.height);
     g.clipRect(paintBounds.x, paintBounds.y, paintBounds.width, paintBounds.height);
     
     Rectangle bounds = getCellBounds(row);
     if(bounds != null)
paintCell(g, row, bounds, renderer, dataModel, selModel, leadIndex);
   }
 }
 

/**
 * Invokes paint and update on target Component with optimal
 * rectangular clip region.
 * If PAINT bounding rectangle is less than
 * MAX_BENEFIT_RATIO times the benefit, then the vertical and horizontal unions are
 * painted separately.  Otherwise the entire bounding rectangle is painted.
 *
 * @param   target Component to <code>paint</code> or <code>update</code>
 * @since   1.4
 */
public void paint(Object target, boolean shouldClearRectBeforePaint) {
    Component comp = (Component)target;

    if (isEmpty()) {
        return;
    }

    if (!comp.isVisible()) {
        return;
    }

    RepaintArea ra = this.cloneAndReset();

    if (!subtract(ra.paintRects[VERTICAL], ra.paintRects[HORIZONTAL])) {
        subtract(ra.paintRects[HORIZONTAL], ra.paintRects[VERTICAL]);
    }

    if (ra.paintRects[HORIZONTAL] != null && ra.paintRects[VERTICAL] != null) {
        Rectangle paintRect = ra.paintRects[HORIZONTAL].union(ra.paintRects[VERTICAL]);
        int square = paintRect.width * paintRect.height;
        int benefit = square - ra.paintRects[HORIZONTAL].width
            * ra.paintRects[HORIZONTAL].height - ra.paintRects[VERTICAL].width
            * ra.paintRects[VERTICAL].height;
        // if benefit is comparable with bounding box
        if (MAX_BENEFIT_RATIO * benefit < square) {
            ra.paintRects[HORIZONTAL] = paintRect;
            ra.paintRects[VERTICAL] = null;
        }
    }
    for (int i = 0; i < paintRects.length; i++) {
        if (ra.paintRects[i] != null
            && !ra.paintRects[i].isEmpty())
        {
            // Should use separate Graphics for each paint() call,
            // since paint() can change Graphics state for next call.
            Graphics g = comp.getGraphics();
            if (g != null) {
                try {
                    g.setClip(ra.paintRects[i]);
                    if (i == UPDATE) {
                        updateComponent(comp, g);
                    } else {
                        if (shouldClearRectBeforePaint) {
                            g.clearRect( ra.paintRects[i].x,
                                         ra.paintRects[i].y,
                                         ra.paintRects[i].width,
                                         ra.paintRects[i].height);
                        }
                        paintComponent(comp, g);
                    }
                } finally {
                    g.dispose();
                }
            }
        }
    }
}
 

@Override
    public void paintComponent(Graphics g) {
        Insets insets = new Insets(0, 0, 0, 0);
//        MemoryStatus.this.getBorder().getBorderInsets(this);

        Runtime runtime = Runtime.getRuntime();
        int freeMemory = (int) (runtime.freeMemory() / 1024);
        int totalMemory = (int) (runtime.totalMemory() / 1024);
        int usedMemory = (totalMemory - freeMemory);

        int width = MemoryStatus.this.getWidth() - insets.left - insets.right;
//        int height = MemoryStatus.this.getHeight() - insets.top - insets.bottom - 1;
        int height = MemoryStatus.this.getHeight() - insets.top - insets.bottom;

        float fraction = ((float) usedMemory) / totalMemory;

        g.setColor(PROGRESS_BACKGROUND);
        g.fillRect(insets.left, insets.top, (int) (width * fraction), height);

        String str = (usedMemory / 1024) + "/" + (totalMemory / 1024) + "M";

        FontRenderContext fontRendererContext = new FontRenderContext(null, false, false);

        Rectangle2D bounds = g.getFont().getStringBounds(str, fontRendererContext);

        Graphics g2 = g.create();
        g2.setClip(insets.left, insets.top, (int) (width * fraction), height);
        g2.setColor(PROGRESS_FOREGROUND);
        g2.drawString(str, insets.left + (int) (width - bounds.getWidth()) / 2,
                (int) (insets.top + lineMetrics.getAscent()));

        g2.dispose();
        g2 = g.create();

        g2.setClip(insets.left + (int) (width * fraction), insets.top,
                MemoryStatus.this.getWidth() - insets.left
                        - (int) (width * fraction), height);

        g2.setColor(MemoryStatus.this.getForeground());

        g2.drawString(str, insets.left + (int) (width - bounds.getWidth()) / 2,
                (int) (insets.top + lineMetrics.getAscent()));

        g2.dispose();
    }
 

@Override
public int print(Graphics base, PageFormat format, int pageIndex) {
	if (pageIndex >= circuits.size())
		return Printable.NO_SUCH_PAGE;

	Circuit circ = circuits.get(pageIndex);
	CircuitState circState = proj.getCircuitState(circ);
	Graphics g = base.create();
	Graphics2D g2 = g instanceof Graphics2D ? (Graphics2D) g : null;
	FontMetrics fm = g.getFontMetrics();
	String head = (header != null && !header.equals(""))
			? format(header, pageIndex + 1, circuits.size(), circ.getName())
			: null;
	int headHeight = (head == null ? 0 : fm.getHeight());

	// Compute image size
	double imWidth = format.getImageableWidth();
	double imHeight = format.getImageableHeight();

	// Correct coordinate system for page, including
	// translation and possible rotation.
	Bounds bds = circ.getBounds(g).expand(4);
	double scale = Math.min(imWidth / bds.getWidth(), (imHeight - headHeight) / bds.getHeight());
	if (g2 != null) {
		g2.translate(format.getImageableX(), format.getImageableY());
		if (rotateToFit && scale < 1.0 / 1.1) {
			double scale2 = Math.min(imHeight / bds.getWidth(), (imWidth - headHeight) / bds.getHeight());
			if (scale2 >= scale * 1.1) { // will rotate
				scale = scale2;
				if (imHeight > imWidth) { // portrait -> landscape
					g2.translate(0, imHeight);
					g2.rotate(-Math.PI / 2);
				} else { // landscape -> portrait
					g2.translate(imWidth, 0);
					g2.rotate(Math.PI / 2);
				}
				double t = imHeight;
				imHeight = imWidth;
				imWidth = t;
			}
		}
	}

	// Draw the header line if appropriate
	if (head != null) {
		g.drawString(head, (int) Math.round((imWidth - fm.stringWidth(head)) / 2), fm.getAscent());
		if (g2 != null) {
			imHeight -= headHeight;
			g2.translate(0, headHeight);
		}
	}

	// Now change coordinate system for circuit, including
	// translation and possible scaling
	if (g2 != null) {
		if (scale < 1.0) {
			g2.scale(scale, scale);
			imWidth /= scale;
			imHeight /= scale;
		}
		double dx = Math.max(0.0, (imWidth - bds.getWidth()) / 2);
		g2.translate(-bds.getX() + dx, -bds.getY());
	}

	// Ensure that the circuit is eligible to be drawn
	Rectangle clip = g.getClipBounds();
	clip.add(bds.getX(), bds.getY());
	clip.add(bds.getX() + bds.getWidth(), bds.getY() + bds.getHeight());
	g.setClip(clip);

	// And finally draw the circuit onto the page
	ComponentDrawContext context = new ComponentDrawContext(proj.getFrame().getCanvas(), circ, circState, base,
			g, printerView);
	Collection<Component> noComps = Collections.emptySet();
	circ.draw(context, noComps);
	g.dispose();
	return Printable.PAGE_EXISTS;
}
 

/**
 * Invokes paint and update on target Component with optimal
 * rectangular clip region.
 * If PAINT bounding rectangle is less than
 * MAX_BENEFIT_RATIO times the benefit, then the vertical and horizontal unions are
 * painted separately.  Otherwise the entire bounding rectangle is painted.
 *
 * @param   target Component to <code>paint</code> or <code>update</code>
 * @since   1.4
 */
public void paint(Object target, boolean shouldClearRectBeforePaint) {
    Component comp = (Component)target;

    if (isEmpty()) {
        return;
    }

    if (!comp.isVisible()) {
        return;
    }

    RepaintArea ra = this.cloneAndReset();

    if (!subtract(ra.paintRects[VERTICAL], ra.paintRects[HORIZONTAL])) {
        subtract(ra.paintRects[HORIZONTAL], ra.paintRects[VERTICAL]);
    }

    if (ra.paintRects[HORIZONTAL] != null && ra.paintRects[VERTICAL] != null) {
        Rectangle paintRect = ra.paintRects[HORIZONTAL].union(ra.paintRects[VERTICAL]);
        int square = paintRect.width * paintRect.height;
        int benefit = square - ra.paintRects[HORIZONTAL].width
            * ra.paintRects[HORIZONTAL].height - ra.paintRects[VERTICAL].width
            * ra.paintRects[VERTICAL].height;
        // if benefit is comparable with bounding box
        if (MAX_BENEFIT_RATIO * benefit < square) {
            ra.paintRects[HORIZONTAL] = paintRect;
            ra.paintRects[VERTICAL] = null;
        }
    }
    for (int i = 0; i < paintRects.length; i++) {
        if (ra.paintRects[i] != null
            && !ra.paintRects[i].isEmpty())
        {
            // Should use separate Graphics for each paint() call,
            // since paint() can change Graphics state for next call.
            Graphics g = comp.getGraphics();
            if (g != null) {
                try {
                    g.setClip(ra.paintRects[i]);
                    if (i == UPDATE) {
                        updateComponent(comp, g);
                    } else {
                        if (shouldClearRectBeforePaint) {
                            g.clearRect( ra.paintRects[i].x,
                                         ra.paintRects[i].y,
                                         ra.paintRects[i].width,
                                         ra.paintRects[i].height);
                        }
                        paintComponent(comp, g);
                    }
                } finally {
                    g.dispose();
                }
            }
        }
    }
}
 

/**
 * Invokes paint and update on target Component with optimal
 * rectangular clip region.
 * If PAINT bounding rectangle is less than
 * MAX_BENEFIT_RATIO times the benefit, then the vertical and horizontal unions are
 * painted separately.  Otherwise the entire bounding rectangle is painted.
 *
 * @param   target Component to <code>paint</code> or <code>update</code>
 * @since   1.4
 */
public void paint(Object target, boolean shouldClearRectBeforePaint) {
    Component comp = (Component)target;

    if (isEmpty()) {
        return;
    }

    if (!comp.isVisible()) {
        return;
    }

    RepaintArea ra = this.cloneAndReset();

    if (!subtract(ra.paintRects[VERTICAL], ra.paintRects[HORIZONTAL])) {
        subtract(ra.paintRects[HORIZONTAL], ra.paintRects[VERTICAL]);
    }

    if (ra.paintRects[HORIZONTAL] != null && ra.paintRects[VERTICAL] != null) {
        Rectangle paintRect = ra.paintRects[HORIZONTAL].union(ra.paintRects[VERTICAL]);
        int square = paintRect.width * paintRect.height;
        int benefit = square - ra.paintRects[HORIZONTAL].width
            * ra.paintRects[HORIZONTAL].height - ra.paintRects[VERTICAL].width
            * ra.paintRects[VERTICAL].height;
        // if benefit is comparable with bounding box
        if (MAX_BENEFIT_RATIO * benefit < square) {
            ra.paintRects[HORIZONTAL] = paintRect;
            ra.paintRects[VERTICAL] = null;
        }
    }
    for (int i = 0; i < paintRects.length; i++) {
        if (ra.paintRects[i] != null
            && !ra.paintRects[i].isEmpty())
        {
            // Should use separate Graphics for each paint() call,
            // since paint() can change Graphics state for next call.
            Graphics g = comp.getGraphics();
            if (g != null) {
                try {
                    g.setClip(ra.paintRects[i]);
                    if (i == UPDATE) {
                        updateComponent(comp, g);
                    } else {
                        if (shouldClearRectBeforePaint) {
                            g.clearRect( ra.paintRects[i].x,
                                         ra.paintRects[i].y,
                                         ra.paintRects[i].width,
                                         ra.paintRects[i].height);
                        }
                        paintComponent(comp, g);
                    }
                } finally {
                    g.dispose();
                }
            }
        }
    }
}
 

/**
 * Actually does the nearly the same as super.paintContentBorder() but
 *   - not invoking paintContentBorder*Edge() methods
 *   - repaint selection
 */
@Override
protected void paintContentBorder( Graphics g, int tabPlacement, int selectedIndex ) {
	if( _tabPane.getTabCount() <= 0 )
		return;

	Insets insets = _tabPane.getInsets();
	Insets tabAreaInsets = getTabAreaInsets( tabPlacement );

	int x = insets.left;
	int y = insets.top;
	int w = _tabPane.getWidth() - insets.right - insets.left;
	int h = _tabPane.getHeight() - insets.top - insets.bottom;

	Dimension lsize = isTabLeadingComponentVisible() ? _tabLeadingComponent.getPreferredSize() : new Dimension();
	Dimension tsize = isTabTrailingComponentVisible() ? _tabTrailingComponent.getPreferredSize() : new Dimension();

	// remove tabs from bounds
	switch( tabPlacement ) {
		case LEFT:
			x += Math.max( calculateTabAreaWidth( tabPlacement, _runCount, _maxTabWidth ),
				Math.max( lsize.width, tsize.width ) );
			if( tabsOverlapBorder )
				x -= tabAreaInsets.right;
			w -= (x - insets.left);
			break;
		case RIGHT:
			w -= calculateTabAreaWidth( tabPlacement, _runCount, _maxTabWidth );
			if( tabsOverlapBorder )
				w += tabAreaInsets.left;
			break;
		case BOTTOM:
			h -= calculateTabAreaHeight( tabPlacement, _runCount, _maxTabHeight );
			if( tabsOverlapBorder )
				h += tabAreaInsets.top;
			break;
		case TOP:
		default:
			y += Math.max( calculateTabAreaHeight( tabPlacement, _runCount, _maxTabHeight ),
				Math.max( lsize.height, tsize.height ) );
			if( tabsOverlapBorder )
				y -= tabAreaInsets.bottom;
			h -= (y - insets.top);
	}

	// compute insets for separator or full border
	boolean hasFullBorder = clientPropertyBoolean( _tabPane, TABBED_PANE_HAS_FULL_BORDER, this.hasFullBorder );
	int sh = scale( contentSeparatorHeight * 100 ); // multiply by 100 because rotateInsets() does not use floats
	Insets ci = new Insets( 0, 0, 0, 0 );
	rotateInsets( hasFullBorder ? new Insets( sh, sh, sh, sh ) : new Insets( sh, 0, 0, 0 ), ci, tabPlacement );

	// paint content area
	g.setColor( contentAreaColor );
	Path2D path = new Path2D.Float( Path2D.WIND_EVEN_ODD );
	path.append( new Rectangle2D.Float( x, y, w, h ), false );
	path.append( new Rectangle2D.Float( x + (ci.left / 100f), y + (ci.top / 100f),
		w - (ci.left / 100f) - (ci.right / 100f), h - (ci.top / 100f) - (ci.bottom / 100f) ), false );
	((Graphics2D)g).fill( path );

	// repaint selection in scroll-tab-layout because it may be painted before
	// the content border was painted (from BasicTabbedPaneUI$ScrollableTabPanel)
	if( scrollableTabLayoutEnabled() && selectedIndex >= 0 && _tabScroller != null && _tabScroller.viewport != null ) {
		Rectangle tabRect = getTabBounds( _tabPane, selectedIndex );

		Shape oldClip = g.getClip();
		g.setClip( _tabScroller.viewport.getBounds() );
		paintTabSelection( g, tabPlacement, tabRect.x, tabRect.y, tabRect.width, tabRect.height );
		g.setClip( oldClip );
	}
}
 

/**
 * Paints the glyphs representing the given range.
 */
@Override
public void paint(GlyphView v, Graphics g, Shape a, int p0, int p1) {
    try {
        sync(v);

        if (a != null ) {
            ((Graphics2D)g).setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
            ((Graphics2D)g).setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
            String localText;
            TabExpander expander = v.getTabExpander();
            Rectangle alloc = (a instanceof Rectangle) ? (Rectangle)a : a.getBounds();

            // determine the x coordinate to render the glyphs
            int x = alloc.x;
            int p = v.getStartOffset();
            if (p != p0) {
                localText = v.getDocument().getText(p, p0-p);
                float width = getTabbedTextWidth(v, localText, x, expander, p, null);
                x += width;
            }

            // determine the y coordinate to render the glyphs
            int y = alloc.y + Math.round(lm.getHeight() - lm.getDescent());

            // render the glyphs
            localText = v.getDocument().getText(p0, p1-p0);
            g.setFont(font);

            if( p0 > v.getStartOffset() || p1 < v.getEndOffset() ) {
                Shape s = v.modelToView(p0, Position.Bias.Forward,
                                        p1, Position.Bias.Backward, a);
                Shape savedClip = g.getClip();
                ((Graphics2D)g).clip(s);
                x=v.modelToView(v.getStartOffset(), a, Position.Bias.Forward).getBounds().x;
                drawTabbedText(v, localText, x, y, g, expander,p0, null);
                g.setClip(savedClip);
            }
            else {
                drawTabbedText(v, localText, x, y, g, expander,p0, null);                
            }
        }

    } catch (BadLocationException e) {
        //e.printStackTrace();
        IOHandler.writeErrorLog(e, "EXTERNAL CODE");
    }
}
 

/**
 * Invokes paint and update on target Component with optimal
 * rectangular clip region.
 * If PAINT bounding rectangle is less than
 * MAX_BENEFIT_RATIO times the benefit, then the vertical and horizontal unions are
 * painted separately.  Otherwise the entire bounding rectangle is painted.
 *
 * @param   target Component to <code>paint</code> or <code>update</code>
 * @since   1.4
 */
public void paint(Object target, boolean shouldClearRectBeforePaint) {
    Component comp = (Component)target;

    if (isEmpty()) {
        return;
    }

    if (!comp.isVisible()) {
        return;
    }

    RepaintArea ra = this.cloneAndReset();

    if (!subtract(ra.paintRects[VERTICAL], ra.paintRects[HORIZONTAL])) {
        subtract(ra.paintRects[HORIZONTAL], ra.paintRects[VERTICAL]);
    }

    if (ra.paintRects[HORIZONTAL] != null && ra.paintRects[VERTICAL] != null) {
        Rectangle paintRect = ra.paintRects[HORIZONTAL].union(ra.paintRects[VERTICAL]);
        int square = paintRect.width * paintRect.height;
        int benefit = square - ra.paintRects[HORIZONTAL].width
            * ra.paintRects[HORIZONTAL].height - ra.paintRects[VERTICAL].width
            * ra.paintRects[VERTICAL].height;
        // if benefit is comparable with bounding box
        if (MAX_BENEFIT_RATIO * benefit < square) {
            ra.paintRects[HORIZONTAL] = paintRect;
            ra.paintRects[VERTICAL] = null;
        }
    }
    for (int i = 0; i < paintRects.length; i++) {
        if (ra.paintRects[i] != null
            && !ra.paintRects[i].isEmpty())
        {
            // Should use separate Graphics for each paint() call,
            // since paint() can change Graphics state for next call.
            Graphics g = comp.getGraphics();
            if (g != null) {
                try {
                    g.setClip(ra.paintRects[i]);
                    if (i == UPDATE) {
                        updateComponent(comp, g);
                    } else {
                        if (shouldClearRectBeforePaint) {
                            g.clearRect( ra.paintRects[i].x,
                                         ra.paintRects[i].y,
                                         ra.paintRects[i].width,
                                         ra.paintRects[i].height);
                        }
                        paintComponent(comp, g);
                    }
                } finally {
                    g.dispose();
                }
            }
        }
    }
}