/*
 * Copyright (c) 1998, 2006, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package sun.print;

import java.util.Map;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Composite;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.font.FontRenderContext;
import java.awt.Graphics;
import java.awt.GraphicsConfiguration;
import java.awt.Image;
import java.awt.Paint;
import java.awt.Rectangle;
import java.awt.Shape;
import java.awt.Stroke;
import java.awt.RenderingHints;
import java.awt.RenderingHints.Key;

import java.awt.font.GlyphVector;
import java.awt.font.TextLayout;

import java.awt.geom.AffineTransform;
import java.awt.geom.Line2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.awt.geom.RoundRectangle2D;
import java.awt.image.BufferedImage;
import java.awt.image.BufferedImageOp;
import java.awt.image.ImageObserver;
import java.awt.image.RenderedImage;
import java.awt.image.renderable.RenderableImage;
import java.awt.print.PrinterGraphics;
import java.awt.print.PrinterJob;

import java.text.AttributedCharacterIterator;

import sun.java2d.Spans;

public class PeekGraphics extends Graphics2D
                          implements PrinterGraphics,
                                     ImageObserver,
                                     Cloneable {

    
Drawing methods will be forwarded to this object.
/**
     * Drawing methods will be forwarded to this object.
     */
    Graphics2D mGraphics;

    
The PrinterJob controlling the current printing.
/**
     * The PrinterJob controlling the current printing.
     */
    PrinterJob mPrinterJob;

    
Keeps track of where drawing occurs on the page.
/**
     * Keeps track of where drawing occurs on the page.
     */
    private Spans mDrawingArea = new Spans();

    
Track information about the types of drawing
performed by the printing application.
/**
     * Track information about the types of drawing
     * performed by the printing application.
     */
    private PeekMetrics mPrintMetrics = new PeekMetrics();

    
If true the application will only be drawing AWT style
graphics, no Java2D graphics.
/**
     * If true the application will only be drawing AWT style
     * graphics, no Java2D graphics.
     */
    private boolean mAWTDrawingOnly = false;

    
The new PeekGraphics2D will forward state changing
calls to 'graphics'. 'printerJob' is stored away
so that the printing application can get the PrinterJob
if needed.
/**
     * The new PeekGraphics2D will forward state changing
     * calls to 'graphics'. 'printerJob' is stored away
     * so that the printing application can get the PrinterJob
     * if needed.
     */
    public PeekGraphics(Graphics2D graphics, PrinterJob printerJob) {

        mGraphics = graphics;
        mPrinterJob = printerJob;
    }

    
Return the Graphics2D object that does the drawing
for this instance.
/**
     * Return the Graphics2D object that does the drawing
     * for this instance.
     */
    public Graphics2D getDelegate() {
        return mGraphics;
    }

    
Set the Graphics2D instance which will do the
drawing.
/**
     * Set the Graphics2D instance which will do the
     * drawing.
     */
    public void setDelegate(Graphics2D graphics) {
        mGraphics = graphics;
    }

    public PrinterJob getPrinterJob() {
        return mPrinterJob;
    }

    
The caller promises that only AWT graphics will be drawn.
The print system can use this information to make general
assumptions about the types of graphics to be drawn without
requiring the application to draw the contents multiple
times.
/**
     * The caller promises that only AWT graphics will be drawn.
     * The print system can use this information to make general
     * assumptions about the types of graphics to be drawn without
     * requiring the application to draw the contents multiple
     * times.
     */
    public void setAWTDrawingOnly() {
        mAWTDrawingOnly = true;
    }

    public boolean getAWTDrawingOnly() {
        return mAWTDrawingOnly;
    }

    
Return a Spans instance describing the parts of the page in
to which drawing occurred.
/**
     * Return a Spans instance describing the parts of the page in
     * to which drawing occurred.
     */
    public Spans getDrawingArea() {
        return mDrawingArea;
    }

    
Returns the device configuration associated with this Graphics2D.
/**
     * Returns the device configuration associated with this Graphics2D.
     */
    public GraphicsConfiguration getDeviceConfiguration() {
        return ((RasterPrinterJob)mPrinterJob).getPrinterGraphicsConfig();
    }

/* The Delegated Graphics Methods */

    
Creates a new Graphics object that is
a copy of this Graphics object.
Returns:
    a new graphics context that is a copy of
                      this graphics context.
Since:
     JDK1.0/**
     * Creates a new <code>Graphics</code> object that is
     * a copy of this <code>Graphics</code> object.
     * @return     a new graphics context that is a copy of
     *                       this graphics context.
     * @since      JDK1.0
     */
    public Graphics create() {
        PeekGraphics newGraphics = null;

        try {
            newGraphics = (PeekGraphics) clone();
            newGraphics.mGraphics = (Graphics2D) mGraphics.create();

        /* This exception can not happen unless this
         * class no longer implements the Cloneable
         * interface.
         */
        } catch (CloneNotSupportedException e) {
            // can never happen.
        }

        return newGraphics;
    }

    
Translates the origin of the graphics context to the point
(x, y) in the current coordinate system.
Modifies this graphics context so that its new origin corresponds
to the point (x, y) in this graphics context's
original coordinate system.  All coordinates used in subsequent
rendering operations on this graphics context will be relative
to this new origin.
Params:
x –   the x coordinate.
y –   the y coordinate.
Since:
  JDK1.0/**
     * Translates the origin of the graphics context to the point
     * (<i>x</i>,&nbsp;<i>y</i>) in the current coordinate system.
     * Modifies this graphics context so that its new origin corresponds
     * to the point (<i>x</i>,&nbsp;<i>y</i>) in this graphics context's
     * original coordinate system.  All coordinates used in subsequent
     * rendering operations on this graphics context will be relative
     * to this new origin.
     * @param  x   the <i>x</i> coordinate.
     * @param  y   the <i>y</i> coordinate.
     * @since   JDK1.0
     */
    public void translate(int x, int y) {
        mGraphics.translate(x, y);
    }

    
Concatenates the current transform of this Graphics2D with a
translation transformation.
This is equivalent to calling transform(T), where T is an
AffineTransform represented by the following matrix:
         [   1    0    tx  ]
         [   0    1    ty  ]
         [   0    0    1   ]

/**
     * Concatenates the current transform of this Graphics2D with a
     * translation transformation.
     * This is equivalent to calling transform(T), where T is an
     * AffineTransform represented by the following matrix:
     * <pre>
     *          [   1    0    tx  ]
     *          [   0    1    ty  ]
     *          [   0    0    1   ]
     * </pre>
     */
    public void translate(double tx, double ty) {
        mGraphics.translate(tx, ty);
    }

    
Concatenates the current transform of this Graphics2D with a
rotation transformation.
This is equivalent to calling transform(R), where R is an
AffineTransform represented by the following matrix:
         [   cos(theta)    -sin(theta)    0   ]
         [   sin(theta)     cos(theta)    0   ]
         [       0              0         1   ]

Rotating with a positive angle theta rotates points on the positive
x axis toward the positive y axis.
Params:
theta – The angle of rotation in radians./**
     * Concatenates the current transform of this Graphics2D with a
     * rotation transformation.
     * This is equivalent to calling transform(R), where R is an
     * AffineTransform represented by the following matrix:
     * <pre>
     *          [   cos(theta)    -sin(theta)    0   ]
     *          [   sin(theta)     cos(theta)    0   ]
     *          [       0              0         1   ]
     * </pre>
     * Rotating with a positive angle theta rotates points on the positive
     * x axis toward the positive y axis.
     * @param theta The angle of rotation in radians.
     */
    public void rotate(double theta) {
        mGraphics.rotate(theta);
    }

    
Concatenates the current transform of this Graphics2D with a
translated rotation transformation.
This is equivalent to the following sequence of calls:
         translate(x, y);
         rotate(theta);
         translate(-x, -y);

Rotating with a positive angle theta rotates points on the positive
x axis toward the positive y axis.
Params:
theta – The angle of rotation in radians.
x – The x coordinate of the origin of the rotation
y – The x coordinate of the origin of the rotation/**
     * Concatenates the current transform of this Graphics2D with a
     * translated rotation transformation.
     * This is equivalent to the following sequence of calls:
     * <pre>
     *          translate(x, y);
     *          rotate(theta);
     *          translate(-x, -y);
     * </pre>
     * Rotating with a positive angle theta rotates points on the positive
     * x axis toward the positive y axis.
     * @param theta The angle of rotation in radians.
     * @param x The x coordinate of the origin of the rotation
     * @param y The x coordinate of the origin of the rotation
     */
    public void rotate(double theta, double x, double y) {
        mGraphics.rotate(theta, x, y);
    }

    
Concatenates the current transform of this Graphics2D with a
scaling transformation.
This is equivalent to calling transform(S), where S is an
AffineTransform represented by the following matrix:
         [   sx   0    0   ]
         [   0    sy   0   ]
         [   0    0    1   ]

/**
     * Concatenates the current transform of this Graphics2D with a
     * scaling transformation.
     * This is equivalent to calling transform(S), where S is an
     * AffineTransform represented by the following matrix:
     * <pre>
     *          [   sx   0    0   ]
     *          [   0    sy   0   ]
     *          [   0    0    1   ]
     * </pre>
     */
    public void scale(double sx, double sy) {
        mGraphics.scale(sx, sy);
    }

    
Concatenates the current transform of this Graphics2D with a
shearing transformation.
This is equivalent to calling transform(SH), where SH is an
AffineTransform represented by the following matrix:
         [   1   shx   0   ]
         [  shy   1    0   ]
         [   0    0    1   ]

Params:
shx – The factor by which coordinates are shifted towards the
positive X axis direction according to their Y coordinate
shy – The factor by which coordinates are shifted towards the
positive Y axis direction according to their X coordinate/**
     * Concatenates the current transform of this Graphics2D with a
     * shearing transformation.
     * This is equivalent to calling transform(SH), where SH is an
     * AffineTransform represented by the following matrix:
     * <pre>
     *          [   1   shx   0   ]
     *          [  shy   1    0   ]
     *          [   0    0    1   ]
     * </pre>
     * @param shx The factor by which coordinates are shifted towards the
     * positive X axis direction according to their Y coordinate
     * @param shy The factor by which coordinates are shifted towards the
     * positive Y axis direction according to their X coordinate
     */
    public void shear(double shx, double shy) {
        mGraphics.shear(shx, shy);
    }

    
Gets this graphics context's current color.
See Also:
Color
Graphics.setColor
Returns:
   this graphics context's current color.
Since:
    JDK1.0/**
     * Gets this graphics context's current color.
     * @return    this graphics context's current color.
     * @see       java.awt.Color
     * @see       java.awt.Graphics#setColor
     * @since     JDK1.0
     */
    public Color getColor() {
        return mGraphics.getColor();
    }

    
Sets this graphics context's current color to the specified
color. All subsequent graphics operations using this graphics
context use this specified color.
Params:
c –   the new rendering color.
See Also:
Color
Graphics.getColor
Since:
    JDK1.0/**
     * Sets this graphics context's current color to the specified
     * color. All subsequent graphics operations using this graphics
     * context use this specified color.
     * @param     c   the new rendering color.
     * @see       java.awt.Color
     * @see       java.awt.Graphics#getColor
     * @since     JDK1.0
     */
    public void setColor(Color c) {
        mGraphics.setColor(c);
    }

    
Sets the paint mode of this graphics context to overwrite the
destination with this graphics context's current color.
This sets the logical pixel operation function to the paint or
overwrite mode.  All subsequent rendering operations will
overwrite the destination with the current color.
Since:
  JDK1.0/**
     * Sets the paint mode of this graphics context to overwrite the
     * destination with this graphics context's current color.
     * This sets the logical pixel operation function to the paint or
     * overwrite mode.  All subsequent rendering operations will
     * overwrite the destination with the current color.
     * @since   JDK1.0
     */
    public void setPaintMode() {
        mGraphics.setPaintMode();
    }

    
Sets the paint mode of this graphics context to alternate between
this graphics context's current color and the new specified color.
This specifies that logical pixel operations are performed in the
XOR mode, which alternates pixels between the current color and
a specified XOR color.

When drawing operations are performed, pixels which are the
current color are changed to the specified color, and vice versa.

Pixels that are of colors other than those two colors are changed
in an unpredictable but reversible manner; if the same figure is
drawn twice, then all pixels are restored to their original values.
Params:
c1 – the XOR alternation color
Since:
    JDK1.0/**
     * Sets the paint mode of this graphics context to alternate between
     * this graphics context's current color and the new specified color.
     * This specifies that logical pixel operations are performed in the
     * XOR mode, which alternates pixels between the current color and
     * a specified XOR color.
     * <p>
     * When drawing operations are performed, pixels which are the
     * current color are changed to the specified color, and vice versa.
     * <p>
     * Pixels that are of colors other than those two colors are changed
     * in an unpredictable but reversible manner; if the same figure is
     * drawn twice, then all pixels are restored to their original values.
     * @param     c1 the XOR alternation color
     * @since     JDK1.0
     */
    public void setXORMode(Color c1) {
        mGraphics.setXORMode(c1);
    }

    
Gets the current font.
See Also:
Font
Graphics.setFont
Returns:
   this graphics context's current font.
Since:
    JDK1.0/**
     * Gets the current font.
     * @return    this graphics context's current font.
     * @see       java.awt.Font
     * @see       java.awt.Graphics#setFont
     * @since     JDK1.0
     */
    public Font getFont() {
        return mGraphics.getFont();
    }

    
Sets this graphics context's font to the specified font.
All subsequent text operations using this graphics context
use this font.
Params:
font –   the font.
See Also:
Graphics.getFont
Graphics.drawChars(char[], int, int)
Graphics.drawString(String, int, int, int, int)
Graphics.drawBytes(byte[], int, int, int, int)
Since:
  JDK1.0/**
     * Sets this graphics context's font to the specified font.
     * All subsequent text operations using this graphics context
     * use this font.
     * @param  font   the font.
     * @see     java.awt.Graphics#getFont
     * @see     java.awt.Graphics#drawChars(java.lang.String, int, int)
     * @see     java.awt.Graphics#drawString(byte[], int, int, int, int)
     * @see     java.awt.Graphics#drawBytes(char[], int, int, int, int)
     * @since   JDK1.0
    */
    public void setFont(Font font) {
        mGraphics.setFont(font);
    }

    
Gets the font metrics for the specified font.
Params:
f – the specified font
See Also:
Graphics.getFont
FontMetrics
Graphics.getFontMetrics()
Returns:
   the font metrics for the specified font.
Since:
    JDK1.0/**
     * Gets the font metrics for the specified font.
     * @return    the font metrics for the specified font.
     * @param     f the specified font
     * @see       java.awt.Graphics#getFont
     * @see       java.awt.FontMetrics
     * @see       java.awt.Graphics#getFontMetrics()
     * @since     JDK1.0
     */
    public FontMetrics getFontMetrics(Font f) {
        return mGraphics.getFontMetrics(f);
    }

    
Get the rendering context of the font
within this Graphics2D context.
/**
    * Get the rendering context of the font
    * within this Graphics2D context.
    */
    public FontRenderContext getFontRenderContext() {
        return mGraphics.getFontRenderContext();
    }

    
Returns the bounding rectangle of the current clipping area.
The coordinates in the rectangle are relative to the coordinate
system origin of this graphics context.
See Also:
Graphics.getClip
Graphics.clipRect
Graphics.setClip(int, int, int, int)
Graphics.setClip(Shape)
Returns:
     the bounding rectangle of the current clipping area.
Since:
      JDK1.1/**
     * Returns the bounding rectangle of the current clipping area.
     * The coordinates in the rectangle are relative to the coordinate
     * system origin of this graphics context.
     * @return      the bounding rectangle of the current clipping area.
     * @see         java.awt.Graphics#getClip
     * @see         java.awt.Graphics#clipRect
     * @see         java.awt.Graphics#setClip(int, int, int, int)
     * @see         java.awt.Graphics#setClip(Shape)
     * @since       JDK1.1
     */
    public Rectangle getClipBounds() {
        return mGraphics.getClipBounds();
    }


    
Intersects the current clip with the specified rectangle.
The resulting clipping area is the intersection of the current
clipping area and the specified rectangle.
This method can only be used to make the current clip smaller.
To set the current clip larger, use any of the setClip methods.
Rendering operations have no effect outside of the clipping area.
Params:
x – the x coordinate of the rectangle to intersect the clip with
y – the y coordinate of the rectangle to intersect the clip with
width – the width of the rectangle to intersect the clip with
height – the height of the rectangle to intersect the clip with
See Also:
setClip(int, int, int, int)
setClip(Shape)/**
     * Intersects the current clip with the specified rectangle.
     * The resulting clipping area is the intersection of the current
     * clipping area and the specified rectangle.
     * This method can only be used to make the current clip smaller.
     * To set the current clip larger, use any of the setClip methods.
     * Rendering operations have no effect outside of the clipping area.
     * @param x the x coordinate of the rectangle to intersect the clip with
     * @param y the y coordinate of the rectangle to intersect the clip with
     * @param width the width of the rectangle to intersect the clip with
     * @param height the height of the rectangle to intersect the clip with
     * @see #setClip(int, int, int, int)
     * @see #setClip(Shape)
     */
    public void clipRect(int x, int y, int width, int height) {
        mGraphics.clipRect(x, y, width, height);
    }


    
Sets the current clip to the rectangle specified by the given
coordinates.
Rendering operations have no effect outside of the clipping area.
Params:
x – the x coordinate of the new clip rectangle.
y – the y coordinate of the new clip rectangle.
width – the width of the new clip rectangle.
height – the height of the new clip rectangle.
See Also:
Graphics.clipRect
Graphics.setClip(Shape)
Since:
      JDK1.1/**
     * Sets the current clip to the rectangle specified by the given
     * coordinates.
     * Rendering operations have no effect outside of the clipping area.
     * @param       x the <i>x</i> coordinate of the new clip rectangle.
     * @param       y the <i>y</i> coordinate of the new clip rectangle.
     * @param       width the width of the new clip rectangle.
     * @param       height the height of the new clip rectangle.
     * @see         java.awt.Graphics#clipRect
     * @see         java.awt.Graphics#setClip(Shape)
     * @since       JDK1.1
     */
    public void setClip(int x, int y, int width, int height) {
        mGraphics.setClip(x, y, width, height);
    }

    
Gets the current clipping area.
See Also:
Graphics.getClipBounds
Graphics.clipRect
Graphics.setClip(int, int, int, int)
Graphics.setClip(Shape)
Returns:
     a Shape object representing the
                     current clipping area.
Since:
      JDK1.1/**
     * Gets the current clipping area.
     * @return      a <code>Shape</code> object representing the
     *                      current clipping area.
     * @see         java.awt.Graphics#getClipBounds
     * @see         java.awt.Graphics#clipRect
     * @see         java.awt.Graphics#setClip(int, int, int, int)
     * @see         java.awt.Graphics#setClip(Shape)
     * @since       JDK1.1
     */
    public Shape getClip() {
        return mGraphics.getClip();
    }


    
Sets the current clipping area to an arbitrary clip shape.
Not all objects which implement the Shape
interface can be used to set the clip.  The only
Shape objects which are guaranteed to be
supported are Shape objects which are
obtained via the getClip method and via
Rectangle objects.
See Also:
getClip.getClip()
Graphics.clipRect
Graphics.setClip(int, int, int, int)
Since:
      JDK1.1/**
     * Sets the current clipping area to an arbitrary clip shape.
     * Not all objects which implement the <code>Shape</code>
     * interface can be used to set the clip.  The only
     * <code>Shape</code> objects which are guaranteed to be
     * supported are <code>Shape</code> objects which are
     * obtained via the <code>getClip</code> method and via
     * <code>Rectangle</code> objects.
     * @see         java.awt.Graphics#getClip()
     * @see         java.awt.Graphics#clipRect
     * @see         java.awt.Graphics#setClip(int, int, int, int)
     * @since       JDK1.1
     */
    public void setClip(Shape clip) {
        mGraphics.setClip(clip);
    }


    
Copies an area of the component by a distance specified by
dx and dy. From the point specified
by x and y, this method
copies downwards and to the right.  To copy an area of the
component to the left or upwards, specify a negative value for
dx or dy.
If a portion of the source rectangle lies outside the bounds
of the component, or is obscured by another window or component,
copyArea will be unable to copy the associated
pixels. The area that is omitted can be refreshed by calling
the component's paint method.
Params:
x – the x coordinate of the source rectangle.
y – the y coordinate of the source rectangle.
width – the width of the source rectangle.
height – the height of the source rectangle.
dx – the horizontal distance to copy the pixels.
dy – the vertical distance to copy the pixels.
Since:
      JDK1.0/**
     * Copies an area of the component by a distance specified by
     * <code>dx</code> and <code>dy</code>. From the point specified
     * by <code>x</code> and <code>y</code>, this method
     * copies downwards and to the right.  To copy an area of the
     * component to the left or upwards, specify a negative value for
     * <code>dx</code> or <code>dy</code>.
     * If a portion of the source rectangle lies outside the bounds
     * of the component, or is obscured by another window or component,
     * <code>copyArea</code> will be unable to copy the associated
     * pixels. The area that is omitted can be refreshed by calling
     * the component's <code>paint</code> method.
     * @param       x the <i>x</i> coordinate of the source rectangle.
     * @param       y the <i>y</i> coordinate of the source rectangle.
     * @param       width the width of the source rectangle.
     * @param       height the height of the source rectangle.
     * @param       dx the horizontal distance to copy the pixels.
     * @param       dy the vertical distance to copy the pixels.
     * @since       JDK1.0
     */
    public void copyArea(int x, int y, int width, int height,
                         int dx, int dy) {
        // This method is not supported for printing so we do nothing here.
    }

    
Draws a line, using the current color, between the points
(x1, y1) and (x2, y2)
in this graphics context's coordinate system.
Params:
x1 –  the first point's x coordinate.
y1 –  the first point's y coordinate.
x2 –  the second point's x coordinate.
y2 –  the second point's y coordinate.
Since:
  JDK1.0/**
     * Draws a line, using the current color, between the points
     * <code>(x1,&nbsp;y1)</code> and <code>(x2,&nbsp;y2)</code>
     * in this graphics context's coordinate system.
     * @param   x1  the first point's <i>x</i> coordinate.
     * @param   y1  the first point's <i>y</i> coordinate.
     * @param   x2  the second point's <i>x</i> coordinate.
     * @param   y2  the second point's <i>y</i> coordinate.
     * @since   JDK1.0
     */
    public void drawLine(int x1, int y1, int x2, int y2) {
        addStrokeShape(new Line2D.Float(x1, y1, x2, y2));
        mPrintMetrics.draw(this);
    }



    
Fills the specified rectangle.
The left and right edges of the rectangle are at
x and x + width - 1.
The top and bottom edges are at
y and y + height - 1.
The resulting rectangle covers an area
width pixels wide by
height pixels tall.
The rectangle is filled using the graphics context's current color.
Params:
x –   the x coordinate
                        of the rectangle to be filled.
y –   the y coordinate
                        of the rectangle to be filled.
width –   the width of the rectangle to be filled.
height –   the height of the rectangle to be filled.
See Also:
Graphics.fillRect
Graphics.clearRect
Since:
        JDK1.0/**
     * Fills the specified rectangle.
     * The left and right edges of the rectangle are at
     * <code>x</code> and <code>x&nbsp;+&nbsp;width&nbsp;-&nbsp;1</code>.
     * The top and bottom edges are at
     * <code>y</code> and <code>y&nbsp;+&nbsp;height&nbsp;-&nbsp;1</code>.
     * The resulting rectangle covers an area
     * <code>width</code> pixels wide by
     * <code>height</code> pixels tall.
     * The rectangle is filled using the graphics context's current color.
     * @param         x   the <i>x</i> coordinate
     *                         of the rectangle to be filled.
     * @param         y   the <i>y</i> coordinate
     *                         of the rectangle to be filled.
     * @param         width   the width of the rectangle to be filled.
     * @param         height   the height of the rectangle to be filled.
     * @see           java.awt.Graphics#fillRect
     * @see           java.awt.Graphics#clearRect
     * @since         JDK1.0
     */
    public void fillRect(int x, int y, int width, int height) {

        addDrawingRect(new Rectangle2D.Float(x, y, width, height));
        mPrintMetrics.fill(this);

    }

    
Clears the specified rectangle by filling it with the background
color of the current drawing surface. This operation does not
use the current paint mode.

Beginning with Java 1.1, the background color
of offscreen images may be system dependent. Applications should
use setColor followed by fillRect to
ensure that an offscreen image is cleared to a specific color.
Params:
x – the x coordinate of the rectangle to clear.
y – the y coordinate of the rectangle to clear.
width – the width of the rectangle to clear.
height – the height of the rectangle to clear.
See Also:
Graphics.fillRect(int, int, int, int)
Graphics.drawRect
Graphics.setColor(Color)
Graphics.setPaintMode
Graphics.setXORMode(Color)
Since:
      JDK1.0/**
     * Clears the specified rectangle by filling it with the background
     * color of the current drawing surface. This operation does not
     * use the current paint mode.
     * <p>
     * Beginning with Java&nbsp;1.1, the background color
     * of offscreen images may be system dependent. Applications should
     * use <code>setColor</code> followed by <code>fillRect</code> to
     * ensure that an offscreen image is cleared to a specific color.
     * @param       x the <i>x</i> coordinate of the rectangle to clear.
     * @param       y the <i>y</i> coordinate of the rectangle to clear.
     * @param       width the width of the rectangle to clear.
     * @param       height the height of the rectangle to clear.
     * @see         java.awt.Graphics#fillRect(int, int, int, int)
     * @see         java.awt.Graphics#drawRect
     * @see         java.awt.Graphics#setColor(java.awt.Color)
     * @see         java.awt.Graphics#setPaintMode
     * @see         java.awt.Graphics#setXORMode(java.awt.Color)
     * @since       JDK1.0
     */
    public void clearRect(int x, int y, int width, int height) {
        Rectangle2D.Float rect = new Rectangle2D.Float(x, y, width, height);
        addDrawingRect(rect);
        mPrintMetrics.clear(this);
    }

    
Draws an outlined round-cornered rectangle using this graphics
context's current color. The left and right edges of the rectangle
are at x and x + width,
respectively. The top and bottom edges of the rectangle are at
y and y + height.
Params:
x – the x coordinate of the rectangle to be drawn.
y – the y coordinate of the rectangle to be drawn.
width – the width of the rectangle to be drawn.
height – the height of the rectangle to be drawn.
arcWidth – the horizontal diameter of the arc
                   at the four corners.
arcHeight – the vertical diameter of the arc
                   at the four corners.
See Also:
Graphics.fillRoundRect
Since:
     JDK1.0/**
     * Draws an outlined round-cornered rectangle using this graphics
     * context's current color. The left and right edges of the rectangle
     * are at <code>x</code> and <code>x&nbsp;+&nbsp;width</code>,
     * respectively. The top and bottom edges of the rectangle are at
     * <code>y</code> and <code>y&nbsp;+&nbsp;height</code>.
     * @param      x the <i>x</i> coordinate of the rectangle to be drawn.
     * @param      y the <i>y</i> coordinate of the rectangle to be drawn.
     * @param      width the width of the rectangle to be drawn.
     * @param      height the height of the rectangle to be drawn.
     * @param      arcWidth the horizontal diameter of the arc
     *                    at the four corners.
     * @param      arcHeight the vertical diameter of the arc
     *                    at the four corners.
     * @see        java.awt.Graphics#fillRoundRect
     * @since      JDK1.0
     */
    public void drawRoundRect(int x, int y, int width, int height,
                              int arcWidth, int arcHeight) {
        addStrokeShape(new RoundRectangle2D.Float(x, y, width, height, arcWidth, arcHeight));
        mPrintMetrics.draw(this);

    }

    
Fills the specified rounded corner rectangle with the current color.
The left and right edges of the rectangle
are at x and x + width - 1,
respectively. The top and bottom edges of the rectangle are at
y and y + height - 1.
Params:
x – the x coordinate of the rectangle to be filled.
y – the y coordinate of the rectangle to be filled.
width – the width of the rectangle to be filled.
height – the height of the rectangle to be filled.
arcWidth – the horizontal diameter
                    of the arc at the four corners.
arcHeight – the vertical diameter
                    of the arc at the four corners.
See Also:
Graphics.drawRoundRect
Since:
      JDK1.0/**
     * Fills the specified rounded corner rectangle with the current color.
     * The left and right edges of the rectangle
     * are at <code>x</code> and <code>x&nbsp;+&nbsp;width&nbsp;-&nbsp;1</code>,
     * respectively. The top and bottom edges of the rectangle are at
     * <code>y</code> and <code>y&nbsp;+&nbsp;height&nbsp;-&nbsp;1</code>.
     * @param       x the <i>x</i> coordinate of the rectangle to be filled.
     * @param       y the <i>y</i> coordinate of the rectangle to be filled.
     * @param       width the width of the rectangle to be filled.
     * @param       height the height of the rectangle to be filled.
     * @param       arcWidth the horizontal diameter
     *                     of the arc at the four corners.
     * @param       arcHeight the vertical diameter
     *                     of the arc at the four corners.
     * @see         java.awt.Graphics#drawRoundRect
     * @since       JDK1.0
     */
    public void fillRoundRect(int x, int y, int width, int height,
                                       int arcWidth, int arcHeight) {
        Rectangle2D.Float rect = new Rectangle2D.Float(x, y,width, height);
        addDrawingRect(rect);
        mPrintMetrics.fill(this);
    }

    
Draws the outline of an oval.
The result is a circle or ellipse that fits within the
rectangle specified by the x, y,
width, and height arguments.

The oval covers an area that is
width + 1 pixels wide
and height + 1 pixels tall.
Params:
x – the x coordinate of the upper left
                    corner of the oval to be drawn.
y – the y coordinate of the upper left
                    corner of the oval to be drawn.
width – the width of the oval to be drawn.
height – the height of the oval to be drawn.
See Also:
Graphics.fillOval
Since:
      JDK1.0/**
     * Draws the outline of an oval.
     * The result is a circle or ellipse that fits within the
     * rectangle specified by the <code>x</code>, <code>y</code>,
     * <code>width</code>, and <code>height</code> arguments.
     * <p>
     * The oval covers an area that is
     * <code>width&nbsp;+&nbsp;1</code> pixels wide
     * and <code>height&nbsp;+&nbsp;1</code> pixels tall.
     * @param       x the <i>x</i> coordinate of the upper left
     *                     corner of the oval to be drawn.
     * @param       y the <i>y</i> coordinate of the upper left
     *                     corner of the oval to be drawn.
     * @param       width the width of the oval to be drawn.
     * @param       height the height of the oval to be drawn.
     * @see         java.awt.Graphics#fillOval
     * @since       JDK1.0
     */
    public void drawOval(int x, int y, int width, int height) {
        addStrokeShape(new Rectangle2D.Float(x, y,  width, height));
        mPrintMetrics.draw(this);
    }

    
Fills an oval bounded by the specified rectangle with the
current color.
Params:
x – the x coordinate of the upper left corner
                    of the oval to be filled.
y – the y coordinate of the upper left corner
                    of the oval to be filled.
width – the width of the oval to be filled.
height – the height of the oval to be filled.
See Also:
Graphics.drawOval
Since:
      JDK1.0/**
     * Fills an oval bounded by the specified rectangle with the
     * current color.
     * @param       x the <i>x</i> coordinate of the upper left corner
     *                     of the oval to be filled.
     * @param       y the <i>y</i> coordinate of the upper left corner
     *                     of the oval to be filled.
     * @param       width the width of the oval to be filled.
     * @param       height the height of the oval to be filled.
     * @see         java.awt.Graphics#drawOval
     * @since       JDK1.0
     */
    public void fillOval(int x, int y, int width, int height) {
        Rectangle2D.Float rect = new Rectangle2D.Float(x, y, width, height);
        addDrawingRect(rect);
        mPrintMetrics.fill(this);

    }


    
Draws the outline of a circular or elliptical arc
covering the specified rectangle.

The resulting arc begins at startAngle and extends
for arcAngle degrees, using the current color.
Angles are interpreted such that 0 degrees
is at the 3 o'clock position.
A positive value indicates a counter-clockwise rotation
while a negative value indicates a clockwise rotation.

The center of the arc is the center of the rectangle whose origin
is (x, y) and whose size is specified by the
width and height arguments.

The resulting arc covers an area
width + 1 pixels wide
by height + 1 pixels tall.
Params:
x – the x coordinate of the
                   upper-left corner of the arc to be drawn.
y – the y  coordinate of the
                   upper-left corner of the arc to be drawn.
width – the width of the arc to be drawn.
height – the height of the arc to be drawn.
startAngle – the beginning angle.
arcAngle – the angular extent of the arc,
                   relative to the start angle.
See Also:
Graphics.fillArc
Since:
      JDK1.0/**
     * Draws the outline of a circular or elliptical arc
     * covering the specified rectangle.
     * <p>
     * The resulting arc begins at <code>startAngle</code> and extends
     * for <code>arcAngle</code> degrees, using the current color.
     * Angles are interpreted such that 0&nbsp;degrees
     * is at the 3&nbsp;o'clock position.
     * A positive value indicates a counter-clockwise rotation
     * while a negative value indicates a clockwise rotation.
     * <p>
     * The center of the arc is the center of the rectangle whose origin
     * is (<i>x</i>,&nbsp;<i>y</i>) and whose size is specified by the
     * <code>width</code> and <code>height</code> arguments.
     * <p>
     * The resulting arc covers an area
     * <code>width&nbsp;+&nbsp;1</code> pixels wide
     * by <code>height&nbsp;+&nbsp;1</code> pixels tall.
     * @param        x the <i>x</i> coordinate of the
     *                    upper-left corner of the arc to be drawn.
     * @param        y the <i>y</i>  coordinate of the
     *                    upper-left corner of the arc to be drawn.
     * @param        width the width of the arc to be drawn.
     * @param        height the height of the arc to be drawn.
     * @param        startAngle the beginning angle.
     * @param        arcAngle the angular extent of the arc,
     *                    relative to the start angle.
     * @see         java.awt.Graphics#fillArc
     * @since       JDK1.0
     */
    public void drawArc(int x, int y, int width, int height,
                                 int startAngle, int arcAngle) {
        addStrokeShape(new Rectangle2D.Float(x, y,  width, height));
        mPrintMetrics.draw(this);

    }

    
Fills a circular or elliptical arc covering the specified rectangle.

The resulting arc begins at startAngle and extends
for arcAngle degrees.
Angles are interpreted such that 0 degrees
is at the 3 o'clock position.
A positive value indicates a counter-clockwise rotation
while a negative value indicates a clockwise rotation.

The center of the arc is the center of the rectangle whose origin
is (x, y) and whose size is specified by the
width and height arguments.

The resulting arc covers an area
width + 1 pixels wide
by height + 1 pixels tall.
Params:
x – the x coordinate of the
                   upper-left corner of the arc to be filled.
y – the y  coordinate of the
                   upper-left corner of the arc to be filled.
width – the width of the arc to be filled.
height – the height of the arc to be filled.
startAngle – the beginning angle.
arcAngle – the angular extent of the arc,
                   relative to the start angle.
See Also:
Graphics.drawArc
Since:
      JDK1.0/**
     * Fills a circular or elliptical arc covering the specified rectangle.
     * <p>
     * The resulting arc begins at <code>startAngle</code> and extends
     * for <code>arcAngle</code> degrees.
     * Angles are interpreted such that 0&nbsp;degrees
     * is at the 3&nbsp;o'clock position.
     * A positive value indicates a counter-clockwise rotation
     * while a negative value indicates a clockwise rotation.
     * <p>
     * The center of the arc is the center of the rectangle whose origin
     * is (<i>x</i>,&nbsp;<i>y</i>) and whose size is specified by the
     * <code>width</code> and <code>height</code> arguments.
     * <p>
     * The resulting arc covers an area
     * <code>width&nbsp;+&nbsp;1</code> pixels wide
     * by <code>height&nbsp;+&nbsp;1</code> pixels tall.
     * @param        x the <i>x</i> coordinate of the
     *                    upper-left corner of the arc to be filled.
     * @param        y the <i>y</i>  coordinate of the
     *                    upper-left corner of the arc to be filled.
     * @param        width the width of the arc to be filled.
     * @param        height the height of the arc to be filled.
     * @param        startAngle the beginning angle.
     * @param        arcAngle the angular extent of the arc,
     *                    relative to the start angle.
     * @see         java.awt.Graphics#drawArc
     * @since       JDK1.0
     */
    public void fillArc(int x, int y, int width, int height,
                        int startAngle, int arcAngle) {
        Rectangle2D.Float rect = new Rectangle2D.Float(x, y,width, height);
        addDrawingRect(rect);
        mPrintMetrics.fill(this);

    }

    
Draws a sequence of connected lines defined by
arrays of x and y coordinates.
Each pair of (x, y) coordinates defines a point.
The figure is not closed if the first point
differs from the last point.
Params:
xPoints – an array of x points
yPoints – an array of y points
nPoints – the total number of points
See Also:
Graphics.drawPolygon(int[], int[], int)
Since:
      JDK1.1/**
     * Draws a sequence of connected lines defined by
     * arrays of <i>x</i> and <i>y</i> coordinates.
     * Each pair of (<i>x</i>,&nbsp;<i>y</i>) coordinates defines a point.
     * The figure is not closed if the first point
     * differs from the last point.
     * @param       xPoints an array of <i>x</i> points
     * @param       yPoints an array of <i>y</i> points
     * @param       nPoints the total number of points
     * @see         java.awt.Graphics#drawPolygon(int[], int[], int)
     * @since       JDK1.1
     */
   public void drawPolyline(int xPoints[], int yPoints[],
                             int nPoints) {
        if (nPoints > 0) {
            int x = xPoints[0];
            int y = yPoints[0];

            for (int i = 1; i < nPoints; i++) {
                drawLine(x, y, xPoints[i], yPoints[i]);
                x = xPoints[i];
                y = yPoints[i];
            }
        }

    }

    
Draws a closed polygon defined by
arrays of x and y coordinates.
Each pair of (x, y) coordinates defines a point.

This method draws the polygon defined by nPoint line
segments, where the first nPoint - 1
line segments are line segments from
(xPoints[i - 1], yPoints[i - 1])
to (xPoints[i], yPoints[i]), for
1 ≤ i ≤ nPoints.
The figure is automatically closed by drawing a line connecting
the final point to the first point, if those points are different.
Params:
xPoints –   a an array of x coordinates.
yPoints –   a an array of y coordinates.
nPoints –   a the total number of points.
See Also:
Graphics.fillPolygon
Graphics.drawPolyline
Since:
       JDK1.0/**
     * Draws a closed polygon defined by
     * arrays of <i>x</i> and <i>y</i> coordinates.
     * Each pair of (<i>x</i>,&nbsp;<i>y</i>) coordinates defines a point.
     * <p>
     * This method draws the polygon defined by <code>nPoint</code> line
     * segments, where the first <code>nPoint&nbsp;-&nbsp;1</code>
     * line segments are line segments from
     * <code>(xPoints[i&nbsp;-&nbsp;1],&nbsp;yPoints[i&nbsp;-&nbsp;1])</code>
     * to <code>(xPoints[i],&nbsp;yPoints[i])</code>, for
     * 1&nbsp;&le;&nbsp;<i>i</i>&nbsp;&le;&nbsp;<code>nPoints</code>.
     * The figure is automatically closed by drawing a line connecting
     * the final point to the first point, if those points are different.
     * @param        xPoints   a an array of <code>x</code> coordinates.
     * @param        yPoints   a an array of <code>y</code> coordinates.
     * @param        nPoints   a the total number of points.
     * @see          java.awt.Graphics#fillPolygon
     * @see          java.awt.Graphics#drawPolyline
     * @since        JDK1.0
     */
    public void drawPolygon(int xPoints[], int yPoints[],
                            int nPoints) {
        if (nPoints > 0) {
            drawPolyline(xPoints, yPoints, nPoints);
            drawLine(xPoints[nPoints - 1], yPoints[nPoints - 1],
                     xPoints[0], yPoints[0]);
        }

    }

    
Fills a closed polygon defined by
arrays of x and y coordinates.

This method draws the polygon defined by nPoint line
segments, where the first nPoint - 1
line segments are line segments from
(xPoints[i - 1], yPoints[i - 1])
to (xPoints[i], yPoints[i]), for
1 ≤ i ≤ nPoints.
The figure is automatically closed by drawing a line connecting
the final point to the first point, if those points are different.

The area inside the polygon is defined using an
even-odd fill rule, also known as the alternating rule.
Params:
xPoints –   a an array of x coordinates.
yPoints –   a an array of y coordinates.
nPoints –   a the total number of points.
See Also:
Graphics.drawPolygon(int[], int[], int)
Since:
       JDK1.0/**
     * Fills a closed polygon defined by
     * arrays of <i>x</i> and <i>y</i> coordinates.
     * <p>
     * This method draws the polygon defined by <code>nPoint</code> line
     * segments, where the first <code>nPoint&nbsp;-&nbsp;1</code>
     * line segments are line segments from
     * <code>(xPoints[i&nbsp;-&nbsp;1],&nbsp;yPoints[i&nbsp;-&nbsp;1])</code>
     * to <code>(xPoints[i],&nbsp;yPoints[i])</code>, for
     * 1&nbsp;&le;&nbsp;<i>i</i>&nbsp;&le;&nbsp;<code>nPoints</code>.
     * The figure is automatically closed by drawing a line connecting
     * the final point to the first point, if those points are different.
     * <p>
     * The area inside the polygon is defined using an
     * even-odd fill rule, also known as the alternating rule.
     * @param        xPoints   a an array of <code>x</code> coordinates.
     * @param        yPoints   a an array of <code>y</code> coordinates.
     * @param        nPoints   a the total number of points.
     * @see          java.awt.Graphics#drawPolygon(int[], int[], int)
     * @since        JDK1.0
     */
    public void fillPolygon(int xPoints[], int yPoints[],
                            int nPoints) {
        if (nPoints > 0) {
            int minX = xPoints[0];
            int minY = yPoints[0];
            int maxX = xPoints[0];
            int maxY = yPoints[0];

            for (int i = 1; i < nPoints; i++) {

                if (xPoints[i] < minX) {
                    minX = xPoints[i];
                } else if (xPoints[i] > maxX) {
                    maxX = xPoints[i];
                }

                if (yPoints[i] < minY) {
                    minY = yPoints[i];
                } else if (yPoints[i] > maxY) {
                    maxY = yPoints[i];
                }
            }

            addDrawingRect(minX, minY, maxX - minX, maxY - minY);
        }

        mPrintMetrics.fill(this);

    }


    
Draws the text given by the specified string, using this
graphics context's current font and color. The baseline of the
first character is at position (x, y) in this
graphics context's coordinate system.
Params:
str –      the string to be drawn.
x –        the x coordinate.
y –        the y coordinate.
See Also:
Graphics.drawBytes
Graphics.drawChars
Since:
      JDK1.0/**
     * Draws the text given by the specified string, using this
     * graphics context's current font and color. The baseline of the
     * first character is at position (<i>x</i>,&nbsp;<i>y</i>) in this
     * graphics context's coordinate system.
     * @param       str      the string to be drawn.
     * @param       x        the <i>x</i> coordinate.
     * @param       y        the <i>y</i> coordinate.
     * @see         java.awt.Graphics#drawBytes
     * @see         java.awt.Graphics#drawChars
     * @since       JDK1.0
     */
    public void drawString(String str, int x, int y) {

        drawString(str, (float)x, (float)y);
    }

    
Draws the text given by the specified iterator, using this
graphics context's current color. The iterator has to specify a font
for each character. The baseline of the
first character is at position (x, y) in this
graphics context's coordinate system.
The rendering attributes applied include the clip, transform,
paint or color, and composite attributes.
For characters in script systems such as Hebrew and Arabic,
the glyphs may be draw from right to left, in which case the
coordinate supplied is the the location of the leftmost character
on the baseline.
Params:
iterator – the iterator whose text is to be drawn
See Also:
setPaint
Graphics.setColor
setTransform
setComposite
setClip
@param
x,y the coordinates where the iterator's text should be drawn./**
     * Draws the text given by the specified iterator, using this
     * graphics context's current color. The iterator has to specify a font
     * for each character. The baseline of the
     * first character is at position (<i>x</i>,&nbsp;<i>y</i>) in this
     * graphics context's coordinate system.
     * The rendering attributes applied include the clip, transform,
     * paint or color, and composite attributes.
     * For characters in script systems such as Hebrew and Arabic,
     * the glyphs may be draw from right to left, in which case the
     * coordinate supplied is the the location of the leftmost character
     * on the baseline.
     * @param iterator the iterator whose text is to be drawn
     * @param x,y the coordinates where the iterator's text should be drawn.
     * @see #setPaint
     * @see java.awt.Graphics#setColor
     * @see #setTransform
     * @see #setComposite
     * @see #setClip
     */
    public void drawString(AttributedCharacterIterator iterator,
                                    int x, int y) {

        drawString(iterator,  (float)x, (float)y);
    }

    
Draws the text given by the specified iterator, using this
graphics context's current color. The iterator has to specify a font
for each character. The baseline of the
first character is at position (x, y) in this
graphics context's coordinate system.
The rendering attributes applied include the clip, transform,
paint or color, and composite attributes.
For characters in script systems such as Hebrew and Arabic,
the glyphs may be draw from right to left, in which case the
coordinate supplied is the the location of the leftmost character
on the baseline.
Params:
iterator – the iterator whose text is to be drawn
See Also:
setPaint
Graphics.setColor
setTransform
setComposite
setClip
@param
x,y the coordinates where the iterator's text should be drawn./**
     * Draws the text given by the specified iterator, using this
     * graphics context's current color. The iterator has to specify a font
     * for each character. The baseline of the
     * first character is at position (<i>x</i>,&nbsp;<i>y</i>) in this
     * graphics context's coordinate system.
     * The rendering attributes applied include the clip, transform,
     * paint or color, and composite attributes.
     * For characters in script systems such as Hebrew and Arabic,
     * the glyphs may be draw from right to left, in which case the
     * coordinate supplied is the the location of the leftmost character
     * on the baseline.
     * @param iterator the iterator whose text is to be drawn
     * @param x,y the coordinates where the iterator's text should be drawn.
     * @see #setPaint
     * @see java.awt.Graphics#setColor
     * @see #setTransform
     * @see #setComposite
     * @see #setClip
     */
    public void drawString(AttributedCharacterIterator iterator,
                                    float x, float y) {
        if (iterator == null) {
            throw new
                NullPointerException("AttributedCharacterIterator is null");
        }

        TextLayout layout = new TextLayout(iterator, getFontRenderContext());
        layout.draw(this, x, y);
    }


    
Draws as much of the specified image as is currently available.
The image is drawn with its top-left corner at
(x, y) in this graphics context's coordinate
space. Transparent pixels in the image do not affect whatever
pixels are already there.

This method returns immediately in all cases, even if the
complete image has not yet been loaded, and it has not been dithered
and converted for the current output device.

If the image has not yet been completely loaded, then
drawImage returns false. As more of
the image becomes available, the process that draws the image notifies
the specified image observer.
Params:
img – the specified image to be drawn.
x –   the x coordinate.
y –   the y coordinate.
observer –    object to be notified as more of
                         the image is converted.
See Also:
Image
ImageObserver
ImageObserver.imageUpdate(Image, int, int, int, int, int)
Since:
   JDK1.0/**
     * Draws as much of the specified image as is currently available.
     * The image is drawn with its top-left corner at
     * (<i>x</i>,&nbsp;<i>y</i>) in this graphics context's coordinate
     * space. Transparent pixels in the image do not affect whatever
     * pixels are already there.
     * <p>
     * This method returns immediately in all cases, even if the
     * complete image has not yet been loaded, and it has not been dithered
     * and converted for the current output device.
     * <p>
     * If the image has not yet been completely loaded, then
     * <code>drawImage</code> returns <code>false</code>. As more of
     * the image becomes available, the process that draws the image notifies
     * the specified image observer.
     * @param    img the specified image to be drawn.
     * @param    x   the <i>x</i> coordinate.
     * @param    y   the <i>y</i> coordinate.
     * @param    observer    object to be notified as more of
     *                          the image is converted.
     * @see      java.awt.Image
     * @see      java.awt.image.ImageObserver
     * @see      java.awt.image.ImageObserver#imageUpdate(java.awt.Image, int, int, int, int, int)
     * @since    JDK1.0
     */
    public boolean drawImage(Image img, int x, int y,
                             ImageObserver observer) {

        if (img == null) {
            return true;
        }

        /* The ImageWaiter creation does not return until the
         * image is loaded.
         */
        ImageWaiter dim = new ImageWaiter(img);

        addDrawingRect(x, y, dim.getWidth(), dim.getHeight());
        mPrintMetrics.drawImage(this, img);

        return mGraphics.drawImage(img, x, y, observer);
    }


    
Draws as much of the specified image as has already been scaled
to fit inside the specified rectangle.

The image is drawn inside the specified rectangle of this
graphics context's coordinate space, and is scaled if
necessary. Transparent pixels do not affect whatever pixels
are already there.

This method returns immediately in all cases, even if the
entire image has not yet been scaled, dithered, and converted
for the current output device.
If the current output representation is not yet complete, then
drawImage returns false. As more of
the image becomes available, the process that draws the image notifies
the image observer by calling its imageUpdate method.

A scaled version of an image will not necessarily be
available immediately just because an unscaled version of the
image has been constructed for this output device.  Each size of
the image may be cached separately and generated from the original
data in a separate image production sequence.
Params:
img –    the specified image to be drawn.
x –      the x coordinate.
y –      the y coordinate.
width –  the width of the rectangle.
height – the height of the rectangle.
observer –    object to be notified as more of
                         the image is converted.
See Also:
Image
ImageObserver
ImageObserver.imageUpdate(Image, int, int, int, int, int)
Since:
   JDK1.0/**
     * Draws as much of the specified image as has already been scaled
     * to fit inside the specified rectangle.
     * <p>
     * The image is drawn inside the specified rectangle of this
     * graphics context's coordinate space, and is scaled if
     * necessary. Transparent pixels do not affect whatever pixels
     * are already there.
     * <p>
     * This method returns immediately in all cases, even if the
     * entire image has not yet been scaled, dithered, and converted
     * for the current output device.
     * If the current output representation is not yet complete, then
     * <code>drawImage</code> returns <code>false</code>. As more of
     * the image becomes available, the process that draws the image notifies
     * the image observer by calling its <code>imageUpdate</code> method.
     * <p>
     * A scaled version of an image will not necessarily be
     * available immediately just because an unscaled version of the
     * image has been constructed for this output device.  Each size of
     * the image may be cached separately and generated from the original
     * data in a separate image production sequence.
     * @param    img    the specified image to be drawn.
     * @param    x      the <i>x</i> coordinate.
     * @param    y      the <i>y</i> coordinate.
     * @param    width  the width of the rectangle.
     * @param    height the height of the rectangle.
     * @param    observer    object to be notified as more of
     *                          the image is converted.
     * @see      java.awt.Image
     * @see      java.awt.image.ImageObserver
     * @see      java.awt.image.ImageObserver#imageUpdate(java.awt.Image, int, int, int, int, int)
     * @since    JDK1.0
     */
    public boolean drawImage(Image img, int x, int y,
                             int width, int height,
                             ImageObserver observer) {

        if (img == null) {
            return true;
        }
        addDrawingRect(x, y, width, height);
        mPrintMetrics.drawImage(this, img);

        return mGraphics.drawImage(img, x, y, width, height, observer);

    }

    
Draws as much of the specified image as is currently available.
The image is drawn with its top-left corner at
(x, y) in this graphics context's coordinate
space.  Transparent pixels are drawn in the specified
background color.

This operation is equivalent to filling a rectangle of the
width and height of the specified image with the given color and then
drawing the image on top of it, but possibly more efficient.

This method returns immediately in all cases, even if the
complete image has not yet been loaded, and it has not been dithered
and converted for the current output device.

If the image has not yet been completely loaded, then
drawImage returns false. As more of
the image becomes available, the process that draws the image notifies
the specified image observer.
Params:
img –    the specified image to be drawn.
x –      the x coordinate.
y –      the y coordinate.
bgcolor – the background color to paint under the
                        non-opaque portions of the image.
observer –    object to be notified as more of
                         the image is converted.
See Also:
Image
ImageObserver
ImageObserver.imageUpdate(Image, int, int, int, int, int)
Since:
   JDK1.0/**
     * Draws as much of the specified image as is currently available.
     * The image is drawn with its top-left corner at
     * (<i>x</i>,&nbsp;<i>y</i>) in this graphics context's coordinate
     * space.  Transparent pixels are drawn in the specified
     * background color.
     * <p>
     * This operation is equivalent to filling a rectangle of the
     * width and height of the specified image with the given color and then
     * drawing the image on top of it, but possibly more efficient.
     * <p>
     * This method returns immediately in all cases, even if the
     * complete image has not yet been loaded, and it has not been dithered
     * and converted for the current output device.
     * <p>
     * If the image has not yet been completely loaded, then
     * <code>drawImage</code> returns <code>false</code>. As more of
     * the image becomes available, the process that draws the image notifies
     * the specified image observer.
     * @param    img    the specified image to be drawn.
     * @param    x      the <i>x</i> coordinate.
     * @param    y      the <i>y</i> coordinate.
     * @param    bgcolor the background color to paint under the
     *                         non-opaque portions of the image.
     * @param    observer    object to be notified as more of
     *                          the image is converted.
     * @see      java.awt.Image
     * @see      java.awt.image.ImageObserver
     * @see      java.awt.image.ImageObserver#imageUpdate(java.awt.Image, int, int, int, int, int)
     * @since    JDK1.0
     */
   public boolean drawImage(Image img, int x, int y,
                             Color bgcolor,
                             ImageObserver observer) {

        if (img == null) {
            return true;
        }

        /* The ImageWaiter creation does not return until the
         * image is loaded.
         */
        ImageWaiter dim = new ImageWaiter(img);

        addDrawingRect(x, y, dim.getWidth(), dim.getHeight());
        mPrintMetrics.drawImage(this, img);

        return mGraphics.drawImage(img, x, y, bgcolor, observer);
    }


    
Draws as much of the specified image as has already been scaled
to fit inside the specified rectangle.

The image is drawn inside the specified rectangle of this
graphics context's coordinate space, and is scaled if
necessary. Transparent pixels are drawn in the specified
background color.
This operation is equivalent to filling a rectangle of the
width and height of the specified image with the given color and then
drawing the image on top of it, but possibly more efficient.

This method returns immediately in all cases, even if the
entire image has not yet been scaled, dithered, and converted
for the current output device.
If the current output representation is not yet complete then
drawImage returns false. As more of
the image becomes available, the process that draws the image notifies
the specified image observer.

A scaled version of an image will not necessarily be
available immediately just because an unscaled version of the
image has been constructed for this output device.  Each size of
the image may be cached separately and generated from the original
data in a separate image production sequence.
Params:
img –       the specified image to be drawn.
x –         the x coordinate.
y –         the y coordinate.
width –     the width of the rectangle.
height –    the height of the rectangle.
bgcolor –   the background color to paint under the
                        non-opaque portions of the image.
observer –    object to be notified as more of
                         the image is converted.
See Also:
Image
ImageObserver
ImageObserver.imageUpdate(Image, int, int, int, int, int)
Since:
   JDK1.0/**
     * Draws as much of the specified image as has already been scaled
     * to fit inside the specified rectangle.
     * <p>
     * The image is drawn inside the specified rectangle of this
     * graphics context's coordinate space, and is scaled if
     * necessary. Transparent pixels are drawn in the specified
     * background color.
     * This operation is equivalent to filling a rectangle of the
     * width and height of the specified image with the given color and then
     * drawing the image on top of it, but possibly more efficient.
     * <p>
     * This method returns immediately in all cases, even if the
     * entire image has not yet been scaled, dithered, and converted
     * for the current output device.
     * If the current output representation is not yet complete then
     * <code>drawImage</code> returns <code>false</code>. As more of
     * the image becomes available, the process that draws the image notifies
     * the specified image observer.
     * <p>
     * A scaled version of an image will not necessarily be
     * available immediately just because an unscaled version of the
     * image has been constructed for this output device.  Each size of
     * the image may be cached separately and generated from the original
     * data in a separate image production sequence.
     * @param    img       the specified image to be drawn.
     * @param    x         the <i>x</i> coordinate.
     * @param    y         the <i>y</i> coordinate.
     * @param    width     the width of the rectangle.
     * @param    height    the height of the rectangle.
     * @param    bgcolor   the background color to paint under the
     *                         non-opaque portions of the image.
     * @param    observer    object to be notified as more of
     *                          the image is converted.
     * @see      java.awt.Image
     * @see      java.awt.image.ImageObserver
     * @see      java.awt.image.ImageObserver#imageUpdate(java.awt.Image, int, int, int, int, int)
     * @since    JDK1.0
     */
    public boolean drawImage(Image img, int x, int y,
                             int width, int height,
                             Color bgcolor,
                             ImageObserver observer) {

        if (img == null) {
            return true;
        }

        addDrawingRect(x, y, width, height);
        mPrintMetrics.drawImage(this, img);

        return mGraphics.drawImage(img, x, y, width, height, bgcolor, observer);

    }

    
Draws as much of the specified area of the specified image as is
currently available, scaling it on the fly to fit inside the
specified area of the destination drawable surface. Transparent pixels
do not affect whatever pixels are already there.

This method returns immediately in all cases, even if the
image area to be drawn has not yet been scaled, dithered, and converted
for the current output device.
If the current output representation is not yet complete then
drawImage returns false. As more of
the image becomes available, the process that draws the image notifies
the specified image observer.

This method always uses the unscaled version of the image
to render the scaled rectangle and performs the required
scaling on the fly. It does not use a cached, scaled version
of the image for this operation. Scaling of the image from source
to destination is performed such that the first coordinate
of the source rectangle is mapped to the first coordinate of
the destination rectangle, and the second source coordinate is
mapped to the second destination coordinate. The subimage is
scaled and flipped as needed to preserve those mappings.
Params:
img – the specified image to be drawn
dx1 – the x coordinate of the first corner of the
                   destination rectangle.
dy1 – the y coordinate of the first corner of the
                   destination rectangle.
dx2 – the x coordinate of the second corner of the
                   destination rectangle.
dy2 – the y coordinate of the second corner of the
                   destination rectangle.
sx1 – the x coordinate of the first corner of the
                   source rectangle.
sy1 – the y coordinate of the first corner of the
                   source rectangle.
sx2 – the x coordinate of the second corner of the
                   source rectangle.
sy2 – the y coordinate of the second corner of the
                   source rectangle.
observer – object to be notified as more of the image is
                   scaled and converted.
See Also:
Image
ImageObserver
ImageObserver.imageUpdate(Image, int, int, int, int, int)
Since:
      JDK1.1/**
     * Draws as much of the specified area of the specified image as is
     * currently available, scaling it on the fly to fit inside the
     * specified area of the destination drawable surface. Transparent pixels
     * do not affect whatever pixels are already there.
     * <p>
     * This method returns immediately in all cases, even if the
     * image area to be drawn has not yet been scaled, dithered, and converted
     * for the current output device.
     * If the current output representation is not yet complete then
     * <code>drawImage</code> returns <code>false</code>. As more of
     * the image becomes available, the process that draws the image notifies
     * the specified image observer.
     * <p>
     * This method always uses the unscaled version of the image
     * to render the scaled rectangle and performs the required
     * scaling on the fly. It does not use a cached, scaled version
     * of the image for this operation. Scaling of the image from source
     * to destination is performed such that the first coordinate
     * of the source rectangle is mapped to the first coordinate of
     * the destination rectangle, and the second source coordinate is
     * mapped to the second destination coordinate. The subimage is
     * scaled and flipped as needed to preserve those mappings.
     * @param       img the specified image to be drawn
     * @param       dx1 the <i>x</i> coordinate of the first corner of the
     *                    destination rectangle.
     * @param       dy1 the <i>y</i> coordinate of the first corner of the
     *                    destination rectangle.
     * @param       dx2 the <i>x</i> coordinate of the second corner of the
     *                    destination rectangle.
     * @param       dy2 the <i>y</i> coordinate of the second corner of the
     *                    destination rectangle.
     * @param       sx1 the <i>x</i> coordinate of the first corner of the
     *                    source rectangle.
     * @param       sy1 the <i>y</i> coordinate of the first corner of the
     *                    source rectangle.
     * @param       sx2 the <i>x</i> coordinate of the second corner of the
     *                    source rectangle.
     * @param       sy2 the <i>y</i> coordinate of the second corner of the
     *                    source rectangle.
     * @param       observer object to be notified as more of the image is
     *                    scaled and converted.
     * @see         java.awt.Image
     * @see         java.awt.image.ImageObserver
     * @see         java.awt.image.ImageObserver#imageUpdate(java.awt.Image, int, int, int, int, int)
     * @since       JDK1.1
     */
    public boolean drawImage(Image img,
                             int dx1, int dy1, int dx2, int dy2,
                             int sx1, int sy1, int sx2, int sy2,
                             ImageObserver observer) {

        if (img == null) {
            return true;
        }

        int width = dx2 - dx1;
        int height = dy2 - dy1;

        addDrawingRect(dx1, dy1, width, height);
        mPrintMetrics.drawImage(this, img);

        return mGraphics.drawImage(img, dx1, dy1, dx2, dy2,
                               sx1, sy1, sx2, sy2, observer);

    }


    
Draws as much of the specified area of the specified image as is
currently available, scaling it on the fly to fit inside the
specified area of the destination drawable surface.

Transparent pixels are drawn in the specified background color.
This operation is equivalent to filling a rectangle of the
width and height of the specified image with the given color and then
drawing the image on top of it, but possibly more efficient.

This method returns immediately in all cases, even if the
image area to be drawn has not yet been scaled, dithered, and converted
for the current output device.
If the current output representation is not yet complete then
drawImage returns false. As more of
the image becomes available, the process that draws the image notifies
the specified image observer.

This method always uses the unscaled version of the image
to render the scaled rectangle and performs the required
scaling on the fly. It does not use a cached, scaled version
of the image for this operation. Scaling of the image from source
to destination is performed such that the first coordinate
of the source rectangle is mapped to the first coordinate of
the destination rectangle, and the second source coordinate is
mapped to the second destination coordinate. The subimage is
scaled and flipped as needed to preserve those mappings.
Params:
img – the specified image to be drawn
dx1 – the x coordinate of the first corner of the
                   destination rectangle.
dy1 – the y coordinate of the first corner of the
                   destination rectangle.
dx2 – the x coordinate of the second corner of the
                   destination rectangle.
dy2 – the y coordinate of the second corner of the
                   destination rectangle.
sx1 – the x coordinate of the first corner of the
                   source rectangle.
sy1 – the y coordinate of the first corner of the
                   source rectangle.
sx2 – the x coordinate of the second corner of the
                   source rectangle.
sy2 – the y coordinate of the second corner of the
                   source rectangle.
bgcolor – the background color to paint under the
                   non-opaque portions of the image.
observer – object to be notified as more of the image is
                   scaled and converted.
See Also:
Image
ImageObserver
ImageObserver.imageUpdate(Image, int, int, int, int, int)
Since:
      JDK1.1/**
     * Draws as much of the specified area of the specified image as is
     * currently available, scaling it on the fly to fit inside the
     * specified area of the destination drawable surface.
     * <p>
     * Transparent pixels are drawn in the specified background color.
     * This operation is equivalent to filling a rectangle of the
     * width and height of the specified image with the given color and then
     * drawing the image on top of it, but possibly more efficient.
     * <p>
     * This method returns immediately in all cases, even if the
     * image area to be drawn has not yet been scaled, dithered, and converted
     * for the current output device.
     * If the current output representation is not yet complete then
     * <code>drawImage</code> returns <code>false</code>. As more of
     * the image becomes available, the process that draws the image notifies
     * the specified image observer.
     * <p>
     * This method always uses the unscaled version of the image
     * to render the scaled rectangle and performs the required
     * scaling on the fly. It does not use a cached, scaled version
     * of the image for this operation. Scaling of the image from source
     * to destination is performed such that the first coordinate
     * of the source rectangle is mapped to the first coordinate of
     * the destination rectangle, and the second source coordinate is
     * mapped to the second destination coordinate. The subimage is
     * scaled and flipped as needed to preserve those mappings.
     * @param       img the specified image to be drawn
     * @param       dx1 the <i>x</i> coordinate of the first corner of the
     *                    destination rectangle.
     * @param       dy1 the <i>y</i> coordinate of the first corner of the
     *                    destination rectangle.
     * @param       dx2 the <i>x</i> coordinate of the second corner of the
     *                    destination rectangle.
     * @param       dy2 the <i>y</i> coordinate of the second corner of the
     *                    destination rectangle.
     * @param       sx1 the <i>x</i> coordinate of the first corner of the
     *                    source rectangle.
     * @param       sy1 the <i>y</i> coordinate of the first corner of the
     *                    source rectangle.
     * @param       sx2 the <i>x</i> coordinate of the second corner of the
     *                    source rectangle.
     * @param       sy2 the <i>y</i> coordinate of the second corner of the
     *                    source rectangle.
     * @param       bgcolor the background color to paint under the
     *                    non-opaque portions of the image.
     * @param       observer object to be notified as more of the image is
     *                    scaled and converted.
     * @see         java.awt.Image
     * @see         java.awt.image.ImageObserver
     * @see         java.awt.image.ImageObserver#imageUpdate(java.awt.Image, int, int, int, int, int)
     * @since       JDK1.1
     */
    public boolean drawImage(Image img,
                             int dx1, int dy1, int dx2, int dy2,
                             int sx1, int sy1, int sx2, int sy2,
                             Color bgcolor,
                             ImageObserver observer) {

        if (img == null) {
            return true;
        }

        int width = dx2 - dx1;
        int height = dy2 - dy1;

        addDrawingRect(dx1, dy1, width, height);
        mPrintMetrics.drawImage(this, img);

        return mGraphics.drawImage(img, dx1, dy1, dx2, dy2,
                               sx1, sy1, sx2, sy2, bgcolor, observer);

    }


    
Draws an image, applying a transform from image space into user space
before drawing.
The transformation from user space into device space is done with
the current transform in the Graphics2D.
The given transformation is applied to the image before the
transform attribute in the Graphics2D state is applied.
The rendering attributes applied include the clip, transform,
and composite attributes. Note that the result is
undefined, if the given transform is noninvertible.
Params:
img – The image to be drawn.
xform – The transformation from image space into user space.
See Also:
transform
setTransform
setComposite
clip
setClip/**
     * Draws an image, applying a transform from image space into user space
     * before drawing.
     * The transformation from user space into device space is done with
     * the current transform in the Graphics2D.
     * The given transformation is applied to the image before the
     * transform attribute in the Graphics2D state is applied.
     * The rendering attributes applied include the clip, transform,
     * and composite attributes. Note that the result is
     * undefined, if the given transform is noninvertible.
     * @param img The image to be drawn.
     * @param xform The transformation from image space into user space.
     * @see #transform
     * @see #setTransform
     * @see #setComposite
     * @see #clip
     * @see #setClip
     */
    public void drawRenderedImage(RenderedImage img,
                                  AffineTransform xform) {

        if (img == null) {
            return;
        }

        mPrintMetrics.drawImage(this, img);
        mDrawingArea.addInfinite();
    }


    public void drawRenderableImage(RenderableImage img,
                                    AffineTransform xform) {

        if (img == null) {
            return;
        }

        mPrintMetrics.drawImage(this, img);
        mDrawingArea.addInfinite();
    }

    
Disposes of this graphics context and releases
any system resources that it is using.
A Graphics object cannot be used after
disposehas been called.

When a Java program runs, a large number of Graphics
objects can be created within a short time frame.
Although the finalization process of the garbage collector
also disposes of the same system resources, it is preferable
to manually free the associated resources by calling this
method rather than to rely on a finalization process which
may not run to completion for a long period of time.

Graphics objects which are provided as arguments to the
paint and update methods
of components are automatically released by the system when
those methods return. For efficiency, programmers should
call dispose when finished using
a Graphics object only if it was created
directly from a component or another Graphics object.
See Also:
finalize.finalize
Component.paint
Component.update
Component.getGraphics
Graphics.create
Since:
      JDK1.0/**
     * Disposes of this graphics context and releases
     * any system resources that it is using.
     * A <code>Graphics</code> object cannot be used after
     * <code>dispose</code>has been called.
     * <p>
     * When a Java program runs, a large number of <code>Graphics</code>
     * objects can be created within a short time frame.
     * Although the finalization process of the garbage collector
     * also disposes of the same system resources, it is preferable
     * to manually free the associated resources by calling this
     * method rather than to rely on a finalization process which
     * may not run to completion for a long period of time.
     * <p>
     * Graphics objects which are provided as arguments to the
     * <code>paint</code> and <code>update</code> methods
     * of components are automatically released by the system when
     * those methods return. For efficiency, programmers should
     * call <code>dispose</code> when finished using
     * a <code>Graphics</code> object only if it was created
     * directly from a component or another <code>Graphics</code> object.
     * @see         java.awt.Graphics#finalize
     * @see         java.awt.Component#paint
     * @see         java.awt.Component#update
     * @see         java.awt.Component#getGraphics
     * @see         java.awt.Graphics#create
     * @since       JDK1.0
     */
    public void dispose() {
        mGraphics.dispose();
    }

    
Empty finalizer as no clean up needed here.
/**
     * Empty finalizer as no clean up needed here.
     */
    public void finalize() {
    }

/* The Delegated Graphics2D Methods */

    
Strokes the outline of a Shape using the settings of the current
graphics state.  The rendering attributes applied include the
clip, transform, paint or color, composite and stroke attributes.
Params:
s – The shape to be drawn.
See Also:
setStroke
setPaint
Graphics.setColor
transform
setTransform
clip
setClip
setComposite/**
     * Strokes the outline of a Shape using the settings of the current
     * graphics state.  The rendering attributes applied include the
     * clip, transform, paint or color, composite and stroke attributes.
     * @param s The shape to be drawn.
     * @see #setStroke
     * @see #setPaint
     * @see java.awt.Graphics#setColor
     * @see #transform
     * @see #setTransform
     * @see #clip
     * @see #setClip
     * @see #setComposite
     */
    public void draw(Shape s) {
        addStrokeShape(s);
        mPrintMetrics.draw(this);
    }


    
Draws an image, applying a transform from image space into user space
before drawing.
The transformation from user space into device space is done with
the current transform in the Graphics2D.
The given transformation is applied to the image before the
transform attribute in the Graphics2D state is applied.
The rendering attributes applied include the clip, transform,
and composite attributes. Note that the result is
undefined, if the given transform is noninvertible.
Params:
img – The image to be drawn.
xform – The transformation from image space into user space.
obs – The image observer to be notified as more of the image
is converted.
See Also:
transform
setTransform
setComposite
clip
setClip/**
     * Draws an image, applying a transform from image space into user space
     * before drawing.
     * The transformation from user space into device space is done with
     * the current transform in the Graphics2D.
     * The given transformation is applied to the image before the
     * transform attribute in the Graphics2D state is applied.
     * The rendering attributes applied include the clip, transform,
     * and composite attributes. Note that the result is
     * undefined, if the given transform is noninvertible.
     * @param img The image to be drawn.
     * @param xform The transformation from image space into user space.
     * @param obs The image observer to be notified as more of the image
     * is converted.
     * @see #transform
     * @see #setTransform
     * @see #setComposite
     * @see #clip
     * @see #setClip
     */
    public boolean drawImage(Image img,
                             AffineTransform xform,
                             ImageObserver obs) {

        if (img == null) {
            return true;
        }

        mDrawingArea.addInfinite();
        mPrintMetrics.drawImage(this, img);

        return mGraphics.drawImage(img, xform, obs);


//      if (mDrawingArea[0] != null) {
//          Rectangle2D.Double bbox = new Rectangle2D.Double();
//          Point2D leftTop = new Point2D.Double(0, 0);
//          Point2D rightBottom = new Point2D.Double(getImageWidth(img),
//                                                   getImageHeight(img));

//          xform.transform(leftTop, leftTop);
//          xform.transform(rightBottom, rightBottom);

//          bbox.setBoundsFromDiagonal(leftTop, rightBottom);
//          addDrawingRect(bbox);

//      }
    }


    
Draws a BufferedImage that is filtered with a BufferedImageOp.
The rendering attributes applied include the clip, transform
and composite attributes.  This is equivalent to:
img1 = op.filter(img, null);
drawImage(img1, new AffineTransform(1f,0f,0f,1f,x,y), null);

Params:
op – The filter to be applied to the image before drawing.
img – The BufferedImage to be drawn.
See Also:
transform
setTransform
setComposite
clip
setClip
@param
x,y The location in user space where the image should be drawn./**
     * Draws a BufferedImage that is filtered with a BufferedImageOp.
     * The rendering attributes applied include the clip, transform
     * and composite attributes.  This is equivalent to:
     * <pre>
     * img1 = op.filter(img, null);
     * drawImage(img1, new AffineTransform(1f,0f,0f,1f,x,y), null);
     * </pre>
     * @param op The filter to be applied to the image before drawing.
     * @param img The BufferedImage to be drawn.
     * @param x,y The location in user space where the image should be drawn.
     * @see #transform
     * @see #setTransform
     * @see #setComposite
     * @see #clip
     * @see #setClip
     */
    public void drawImage(BufferedImage img,
                          BufferedImageOp op,
                          int x,
                          int y) {

        if (img == null) {
            return;
        }

        mPrintMetrics.drawImage(this, (RenderedImage) img);
        mDrawingArea.addInfinite();
    }


    
Draws a string of text.
The rendering attributes applied include the clip, transform,
paint or color, font and composite attributes.
Params:
s – The string to be drawn.
See Also:
setPaint
Graphics.setColor
Graphics.setFont
transform
setTransform
setComposite
clip
setClip
@param
x,y The coordinates where the string should be drawn./**
     * Draws a string of text.
     * The rendering attributes applied include the clip, transform,
     * paint or color, font and composite attributes.
     * @param s The string to be drawn.
     * @param x,y The coordinates where the string should be drawn.
     * @see #setPaint
     * @see java.awt.Graphics#setColor
     * @see java.awt.Graphics#setFont
     * @see #transform
     * @see #setTransform
     * @see #setComposite
     * @see #clip
     * @see #setClip
     */
    public void drawString(String str,
                           float x,
                           float y) {

        if (str.length() == 0) {
            return;
        }
        /* Logical bounds close enough and is used for GlyphVector */
        FontRenderContext frc = getFontRenderContext();
        Rectangle2D bbox = getFont().getStringBounds(str, frc);
        addDrawingRect(bbox, x, y);
        mPrintMetrics.drawText(this);
    }

    
Draws a GlyphVector.
The rendering attributes applied include the clip, transform,
paint or color, and composite attributes.  The GlyphVector specifies
individual glyphs from a Font.
Params:
g – The GlyphVector to be drawn.
See Also:
setPaint
Graphics.setColor
transform
setTransform
setComposite
clip
setClip
@param
x,y The coordinates where the glyphs should be drawn./**
     * Draws a GlyphVector.
     * The rendering attributes applied include the clip, transform,
     * paint or color, and composite attributes.  The GlyphVector specifies
     * individual glyphs from a Font.
     * @param g The GlyphVector to be drawn.
     * @param x,y The coordinates where the glyphs should be drawn.
     * @see #setPaint
     * @see java.awt.Graphics#setColor
     * @see #transform
     * @see #setTransform
     * @see #setComposite
     * @see #clip
     * @see #setClip
     */
    public void drawGlyphVector(GlyphVector g,
                           float x,
                           float y) {

        Rectangle2D bbox = g.getLogicalBounds();
        addDrawingRect(bbox, x, y);
        mPrintMetrics.drawText(this);

    }

    
Fills the interior of a Shape using the settings of the current
graphics state. The rendering attributes applied include the
clip, transform, paint or color, and composite.
See Also:
setPaint
Graphics.setColor
transform
setTransform
setComposite
clip
setClip/**
     * Fills the interior of a Shape using the settings of the current
     * graphics state. The rendering attributes applied include the
     * clip, transform, paint or color, and composite.
     * @see #setPaint
     * @see java.awt.Graphics#setColor
     * @see #transform
     * @see #setTransform
     * @see #setComposite
     * @see #clip
     * @see #setClip
     */
    public void fill(Shape s) {
        addDrawingRect(s.getBounds());
        mPrintMetrics.fill(this);

    }


    
Checks to see if the outline of a Shape intersects the specified
Rectangle in device space.
The rendering attributes taken into account include the
clip, transform, and stroke attributes.
Params:
rect – The area in device space to check for a hit.
s – The shape to check for a hit.
onStroke – Flag to choose between testing the stroked or
the filled shape.
See Also:
setStroke
fill
draw
transform
setTransform
clip
setClip
Returns:
True if there is a hit, false otherwise./**
     * Checks to see if the outline of a Shape intersects the specified
     * Rectangle in device space.
     * The rendering attributes taken into account include the
     * clip, transform, and stroke attributes.
     * @param rect The area in device space to check for a hit.
     * @param s The shape to check for a hit.
     * @param onStroke Flag to choose between testing the stroked or
     * the filled shape.
     * @return True if there is a hit, false otherwise.
     * @see #setStroke
     * @see #fill
     * @see #draw
     * @see #transform
     * @see #setTransform
     * @see #clip
     * @see #setClip
     */
    public boolean hit(Rectangle rect,
                       Shape s,
                       boolean onStroke) {

        return mGraphics.hit(rect, s, onStroke);
    }

    
Sets the Composite in the current graphics state. Composite is used
in all drawing methods such as drawImage, drawString, draw,
and fill.  It specifies how new pixels are to be combined with
the existing pixels on the graphics device in the rendering process.
Params:
comp – The Composite object to be used for drawing.
See Also:
Graphics.setXORMode
Graphics.setPaintMode
AlphaComposite/**
     * Sets the Composite in the current graphics state. Composite is used
     * in all drawing methods such as drawImage, drawString, draw,
     * and fill.  It specifies how new pixels are to be combined with
     * the existing pixels on the graphics device in the rendering process.
     * @param comp The Composite object to be used for drawing.
     * @see java.awt.Graphics#setXORMode
     * @see java.awt.Graphics#setPaintMode
     * @see AlphaComposite
     */
    public void setComposite(Composite comp) {
        mGraphics.setComposite(comp);
    }


    
Sets the Paint in the current graphics state.
Params:
paint – The Paint object to be used to generate color in
the rendering process.
See Also:
Graphics.setColor
GradientPaint
TexturePaint/**
     * Sets the Paint in the current graphics state.
     * @param paint The Paint object to be used to generate color in
     * the rendering process.
     * @see java.awt.Graphics#setColor
     * @see GradientPaint
     * @see TexturePaint
     */
    public void setPaint(Paint paint) {
        mGraphics.setPaint(paint);
    }

    
Sets the Stroke in the current graphics state.
Params:
s – The Stroke object to be used to stroke a Shape in
the rendering process.
See Also:
BasicStroke/**
     * Sets the Stroke in the current graphics state.
     * @param s The Stroke object to be used to stroke a Shape in
     * the rendering process.
     * @see BasicStroke
     */
    public void setStroke(Stroke s) {
        mGraphics.setStroke(s);
    }

    
Sets the preferences for the rendering algorithms.
Hint categories include controls for rendering quality and
overall time/quality trade-off in the rendering process.
Params:
hintCategory – The category of hint to be set.
hintValue – The value indicating preferences for the specified
hint category.
See Also:
RenderingHints/**
     * Sets the preferences for the rendering algorithms.
     * Hint categories include controls for rendering quality and
     * overall time/quality trade-off in the rendering process.
     * @param hintCategory The category of hint to be set.
     * @param hintValue The value indicating preferences for the specified
     * hint category.
     * @see RenderingHints
     */
    public void setRenderingHint(Key hintCategory, Object hintValue) {
        mGraphics.setRenderingHint(hintCategory, hintValue);
    }

    
Returns the preferences for the rendering algorithms.
Params:
hintCategory – The category of hint to be set.
See Also:
RenderingHings
Returns:
The preferences for rendering algorithms./**
     * Returns the preferences for the rendering algorithms.
     * @param hintCategory The category of hint to be set.
     * @return The preferences for rendering algorithms.
     * @see RenderingHings
     */
    public Object getRenderingHint(Key hintCategory) {
        return mGraphics.getRenderingHint(hintCategory);
    }

    
Sets the preferences for the rendering algorithms.
Hint categories include controls for rendering quality and
overall time/quality trade-off in the rendering process.
Params:
hints – The rendering hints to be set
See Also:
RenderingHints/**
     * Sets the preferences for the rendering algorithms.
     * Hint categories include controls for rendering quality and
     * overall time/quality trade-off in the rendering process.
     * @param hints The rendering hints to be set
     * @see RenderingHints
     */
    public void setRenderingHints(Map<?,?> hints) {
        mGraphics.setRenderingHints(hints);
    }

    
Adds a number of preferences for the rendering algorithms.
Hint categories include controls for rendering quality and
overall time/quality trade-off in the rendering process.
Params:
hints – The rendering hints to be set
See Also:
RenderingHints/**
     * Adds a number of preferences for the rendering algorithms.
     * Hint categories include controls for rendering quality and
     * overall time/quality trade-off in the rendering process.
     * @param hints The rendering hints to be set
     * @see RenderingHints
     */
    public void addRenderingHints(Map<?,?> hints) {
        mGraphics.addRenderingHints(hints);
    }

    
Gets the preferences for the rendering algorithms.
Hint categories include controls for rendering quality and
overall time/quality trade-off in the rendering process.
See Also:
RenderingHints/**
     * Gets the preferences for the rendering algorithms.
     * Hint categories include controls for rendering quality and
     * overall time/quality trade-off in the rendering process.
     * @see RenderingHints
     */
    public RenderingHints getRenderingHints() {
        return mGraphics.getRenderingHints();
    }

    
Composes a Transform object with the transform in this
Graphics2D according to the rule last-specified-first-applied.
If the currrent transform is Cx, the result of composition
with Tx is a new transform Cx'.  Cx' becomes the current
transform for this Graphics2D.
Transforming a point p by the updated transform Cx' is
equivalent to first transforming p by Tx and then transforming
the result by the original transform Cx.  In other words,
Cx'(p) = Cx(Tx(p)).
A copy of the Tx is made, if necessary, so further
modifications to Tx do not affect rendering.
Params:
Tx – The Transform object to be composed with the current
transform.
See Also:
setTransform
TransformChain
AffineTransform/**
     * Composes a Transform object with the transform in this
     * Graphics2D according to the rule last-specified-first-applied.
     * If the currrent transform is Cx, the result of composition
     * with Tx is a new transform Cx'.  Cx' becomes the current
     * transform for this Graphics2D.
     * Transforming a point p by the updated transform Cx' is
     * equivalent to first transforming p by Tx and then transforming
     * the result by the original transform Cx.  In other words,
     * Cx'(p) = Cx(Tx(p)).
     * A copy of the Tx is made, if necessary, so further
     * modifications to Tx do not affect rendering.
     * @param Tx The Transform object to be composed with the current
     * transform.
     * @see #setTransform
     * @see TransformChain
     * @see AffineTransform
     */
    public void transform(AffineTransform Tx) {
        mGraphics.transform(Tx);
    }

    
Sets the Transform in the current graphics state.
Params:
Tx – The Transform object to be used in the rendering process.
See Also:
transform
TransformChain
AffineTransform/**
     * Sets the Transform in the current graphics state.
     * @param Tx The Transform object to be used in the rendering process.
     * @see #transform
     * @see TransformChain
     * @see AffineTransform
     */
    public void setTransform(AffineTransform Tx) {
        mGraphics.setTransform(Tx);
    }

    
Returns the current Transform in the Graphics2D state.
See Also:
transform
setTransform/**
     * Returns the current Transform in the Graphics2D state.
     * @see #transform
     * @see #setTransform
     */
    public AffineTransform getTransform() {
        return mGraphics.getTransform();
    }

    
Returns the current Paint in the Graphics2D state.
See Also:
setPaint
Graphics.setColor/**
     * Returns the current Paint in the Graphics2D state.
     * @see #setPaint
     * @see java.awt.Graphics#setColor
     */
    public Paint getPaint() {
        return mGraphics.getPaint();
    }

    
Returns the current Composite in the Graphics2D state.
See Also:
setComposite/**
     * Returns the current Composite in the Graphics2D state.
     * @see #setComposite
     */
    public Composite getComposite() {
        return mGraphics.getComposite();
    }

    
Sets the background color in this context used for clearing a region.
When Graphics2D is constructed for a component, the backgroung color is
inherited from the component. Setting the background color in the
Graphics2D context only affects the subsequent clearRect() calls and
not the background color of the component. To change the background
of the component, use appropriate methods of the component.
Params:
color – The background color that should be used in
subsequent calls to clearRect().
See Also:
getBackground
Graphics.clearRect()/**
     * Sets the background color in this context used for clearing a region.
     * When Graphics2D is constructed for a component, the backgroung color is
     * inherited from the component. Setting the background color in the
     * Graphics2D context only affects the subsequent clearRect() calls and
     * not the background color of the component. To change the background
     * of the component, use appropriate methods of the component.
     * @param color The background color that should be used in
     * subsequent calls to clearRect().
     * @see getBackground
     * @see Graphics.clearRect()
     */
    public void setBackground(Color color) {
        mGraphics.setBackground(color);
    }

    
Returns the background color used for clearing a region.
See Also:
setBackground/**
     * Returns the background color used for clearing a region.
     * @see setBackground
     */
    public Color getBackground() {
        return mGraphics.getBackground();
    }

    
Returns the current Stroke in the Graphics2D state.
See Also:
setStroke/**
     * Returns the current Stroke in the Graphics2D state.
     * @see setStroke
     */
    public Stroke getStroke() {
        return mGraphics.getStroke();
    }

    
Intersects the current clip with the interior of the specified Shape
and sets the current clip to the resulting intersection.
The indicated shape is transformed with the current transform in the
Graphics2D state before being intersected with the current clip.
This method is used to make the current clip smaller.
To make the clip larger, use any setClip method.
Params:
s – The Shape to be intersected with the current clip./**
     * Intersects the current clip with the interior of the specified Shape
     * and sets the current clip to the resulting intersection.
     * The indicated shape is transformed with the current transform in the
     * Graphics2D state before being intersected with the current clip.
     * This method is used to make the current clip smaller.
     * To make the clip larger, use any setClip method.
     * @param s The Shape to be intersected with the current clip.
     */
     public void clip(Shape s) {
        mGraphics.clip(s);
     }

     
Return true if the Rectangle rect
intersects the area into which the application
has drawn.
/**
      * Return true if the Rectangle <code>rect</code>
      * intersects the area into which the application
      * has drawn.
      */
     public boolean hitsDrawingArea(Rectangle rect) {

         return mDrawingArea.intersects((float) rect.getMinY(),
                                        (float) rect.getMaxY());
     }

     
Return the object holding the summary of the
drawing done by the printing application.
/**
      * Return the object holding the summary of the
      * drawing done by the printing application.
      */
     public PeekMetrics getMetrics() {
        return mPrintMetrics;
     }

 /* Support Routines for Calculating the Drawing Area */

   
Shift the rectangle 'rect' to the position ('x', 'y')
and add the resulting rectangle to the area representing
the part of the page which is drawn into.
/**
     * Shift the rectangle 'rect' to the position ('x', 'y')
     * and add the resulting rectangle to the area representing
     * the part of the page which is drawn into.
     */
    private void addDrawingRect(Rectangle2D rect, float x, float y) {

        addDrawingRect((float) (rect.getX() + x),
                       (float) (rect.getY() + y),
                       (float) rect.getWidth(),
                       (float) rect.getHeight());

    }

    private void addDrawingRect(float x, float y, float width, float height) {

        Rectangle2D.Float bbox = new Rectangle2D.Float(x, y, width, height);
        addDrawingRect(bbox);
    }

    
Add the rectangle 'rect' to the area representing
the part of the page which is drawn into.
/**
     * Add the rectangle 'rect' to the area representing
     * the part of the page which is drawn into.
     */
    private void addDrawingRect(Rectangle2D rect) {

        /*  For testing purposes the following line can be uncommented.
            When uncommented it causes the entire page to be rasterized
            thus eliminating errors caused by a faulty bounding box
            calculation.
        */
        //mDrawingArea.addInfinite();



        AffineTransform matrix = getTransform();

        Shape transShape = matrix.createTransformedShape(rect);

        Rectangle2D transRect = transShape.getBounds2D();

        mDrawingArea.add((float) transRect.getMinY(),
                         (float) transRect.getMaxY());


    }

    
Add the stroked shape to the area representing
the part of the page which is drawn into.
/**
     * Add the stroked shape to the area representing
     * the part of the page which is drawn into.
     */
    private void addStrokeShape(Shape s) {
        Shape transShape = getStroke().createStrokedShape(s);
        addDrawingRect(transShape.getBounds2D());
    }

    /* Image Observer */

    
Notify this object when the height or width become available
for an image.
/**
     * Notify this object when the height or width become available
     * for an image.
     */
    public synchronized boolean imageUpdate(Image img, int infoFlags,
                                            int x, int y,
                                            int width, int height) {

        boolean gotInfo = false;

        if((infoFlags & (WIDTH | HEIGHT)) != 0) {
            gotInfo = true;
            notify();
        }

        return gotInfo;
    }

    private synchronized int getImageWidth(Image img) {

        /* Wait for the width the image to
         * become available.
         */
        while (img.getWidth(this) == -1) {
            try {
                wait();
            } catch (InterruptedException e) {
            }
        }


        return img.getWidth(this);
    }

    private synchronized int getImageHeight(Image img) {

        /* Wait for the height the image to
         * become available.
         */
        while (img.getHeight(this) == -1) {
            try {
                wait();
            } catch (InterruptedException e) {
            }
        }


        return img.getHeight(this);
    }

    
This private class does not return from its constructor
until 'img's width and height are available.
/**
     * This private class does not return from its constructor
     * until 'img's width and height are available.
     */
    protected class ImageWaiter implements ImageObserver {

        private int mWidth;
        private int mHeight;
        private boolean badImage = false;

        ImageWaiter(Image img) {
            waitForDimensions(img);
        }

        public int getWidth() {
            return mWidth;
        }

        public int getHeight() {
            return mHeight;
        }

        synchronized private void waitForDimensions(Image img) {
            mHeight = img.getHeight(this);
            mWidth = img.getWidth(this);
            while (!badImage && (mWidth < 0 || mHeight < 0)) {
                try {
                    Thread.sleep(50);
                } catch(InterruptedException e) {
                    // do nothing.
                }
                mHeight = img.getHeight(this);
                mWidth = img.getWidth(this);
            }
            if (badImage) {
                mHeight = 0;
                mWidth = 0;
            }
        }

        synchronized public boolean imageUpdate(Image image, int flags,
                                                int x, int y, int w, int h) {

            boolean dontCallMeAgain = (flags & (HEIGHT | ABORT | ERROR)) != 0;
            badImage = (flags & (ABORT | ERROR)) != 0;

            return dontCallMeAgain;
        }

    }
}