Class PCLGraphics2D

java.lang.Object

java.awt.Graphics

java.awt.Graphics2D

org.apache.xmlgraphics.java2d.AbstractGraphics2D

org.apache.fop.render.pcl.PCLGraphics2D

All Implemented Interfaces:

Cloneable

public class PCLGraphics2D
extends org.apache.xmlgraphics.java2d.AbstractGraphics2D

Graphics2D implementation implementing PCL and HP GL/2. Note: This class cannot be used stand-alone to create full PCL documents.

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	clippingDisabled
private static final boolean	FAIL_ON_UNSUPPORTED_FEATURE
private Graphics2D	fmg	Used to create proper font metrics
protected PCLGenerator	gen	The PCL generator

Fields inherited from class org.apache.xmlgraphics.java2d.AbstractGraphics2D

gc, inPossibleRecursion, textAsShapes

Constructor Summary

Constructors

Constructor	Description
PCLGraphics2D(PCLGenerator gen)	Create a new PCLGraphics2D.
PCLGraphics2D(PCLGraphics2D g)	Copy constructor

Method Summary

Modifier and Type	Method	Description
protected void	applyPaint(Paint paint)	Applies a new Paint object.
protected void	applyStroke(Stroke stroke)	Applies a new Stroke object.
private void	bezierAbsolute(double x1, double y1, double x2, double y2, double x3, double y3, StringBuffer sb)
protected BufferedImage	buildBufferedImage(Dimension size)	Creates a buffered image.
void	copyArea(int x, int y, int width, int height, int dx, int dy)
Graphics	create()
void	dispose()
void	draw(Shape s)
boolean	drawImage(Image img, int x, int y, int width, int height, ImageObserver observer)
boolean	drawImage(Image img, int x, int y, ImageObserver observer)
void	drawRenderableImage(RenderableImage img, AffineTransform xform)
void	drawRenderedImage(RenderedImage img, AffineTransform xform)
void	drawString(String s, float x, float y)
void	drawString(AttributedCharacterIterator iterator, float x, float y)
void	fill(Shape s)
private void	fillPolygon(int windingRule, StringBuffer sb)
GraphicsConfiguration	getDeviceConfiguration()
FontMetrics	getFontMetrics(Font f)
void	handleIOException(IOException ioe)	Central handler for IOExceptions for this class.
protected void	handleUnsupportedFeature(String msg)	Raises an UnsupportedOperationException if this instance is configured to do so and an unsupported feature has been requested.
private void	penDown(StringBuffer sb)
private void	penUp(StringBuffer sb)
private void	plotAbsolute(double x, double y, StringBuffer sb)
void	processPathIteratorFill(PathIterator iter)	Processes a path iterator generating the nexessary painting operations.
void	processPathIteratorStroke(PathIterator iter)	Processes a path iterator generating the nexessary painting operations.
private void	quadraticBezierAbsolute(double originX, double originY, double x1, double y1, double x2, double y2, StringBuffer sb)
void	setClippingDisabled(boolean value)	Allows to disable all clipping operations.
void	setGraphicContext(org.apache.xmlgraphics.java2d.GraphicContext c)	Sets the GraphicContext
void	setXORMode(Color c1)
private void	writeClip(Shape imclip)

Methods inherited from class org.apache.xmlgraphics.java2d.AbstractGraphics2D

addRenderingHints, clearRect, clip, clipRect, drawArc, drawGlyphVector, drawImage, drawImage, drawImage, drawImage, drawImage, drawImage, drawLine, drawOval, drawPolygon, drawPolyline, drawRect, drawRoundRect, drawString, drawString, fillArc, fillOval, fillPolygon, fillRect, fillRoundRect, getBackground, getClip, getClipBounds, getColor, getComposite, getFont, getFontRenderContext, getGraphicContext, getPaint, getRenderingHint, getRenderingHints, getStroke, getTransform, hit, rotate, rotate, scale, setBackground, setClip, setClip, setColor, setComposite, setFont, setPaint, setPaintMode, setRenderingHint, setRenderingHints, setStroke, setTransform, shear, transform, translate, translate

Methods inherited from class Graphics2D

draw3DRect, fill3DRect

Methods inherited from class Graphics

create, drawBytes, drawChars, drawPolygon, fillPolygon, finalize, getClipBounds, getClipRect, getFontMetrics, hitClip, toString

Methods inherited from class Object

clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

gen

protected PCLGenerator gen

The PCL generator

FAIL_ON_UNSUPPORTED_FEATURE

private static final boolean FAIL_ON_UNSUPPORTED_FEATURE

See Also:

• Constant Field Values

clippingDisabled

private boolean clippingDisabled

fmg

private Graphics2D fmg

Used to create proper font metrics

Constructor Details

PCLGraphics2D

public PCLGraphics2D(PCLGenerator gen)

Create a new PCLGraphics2D.

Parameters:

gen - the PCL Generator to paint with

PCLGraphics2D

public PCLGraphics2D(PCLGraphics2D g)

Copy constructor

Parameters:

g - parent PCLGraphics2D

Method Details

create

public Graphics create()

Specified by:

create in class Graphics

dispose

public void dispose()

Specified by:

dispose in class Graphics

setGraphicContext

public void setGraphicContext(org.apache.xmlgraphics.java2d.GraphicContext c)

Sets the GraphicContext

Parameters:

c - GraphicContext to use

setClippingDisabled

public void setClippingDisabled(boolean value)

Allows to disable all clipping operations.

Parameters:

value - true if clipping should be disabled.

handleIOException

public void handleIOException(IOException ioe)

Central handler for IOExceptions for this class.

Parameters:

ioe - IOException to handle

handleUnsupportedFeature

protected void handleUnsupportedFeature(String msg)

Raises an UnsupportedOperationException if this instance is configured to do so and an unsupported feature has been requested. Clients can make use of this to fall back to a more compatible way of painting a PCL graphic.

Parameters:

msg - the error message to be displayed

getDeviceConfiguration

public GraphicsConfiguration getDeviceConfiguration()

Specified by:

getDeviceConfiguration in class Graphics2D

applyStroke

protected void applyStroke(Stroke stroke)
                    throws IOException

Applies a new Stroke object.

Parameters:

stroke - Stroke object to use

Throws:

IOException - In case of an I/O problem

applyPaint

protected void applyPaint(Paint paint)
                   throws IOException

Applies a new Paint object.

Parameters:

paint - Paint object to use

Throws:

IOException - In case of an I/O problem

writeClip

private void writeClip(Shape imclip)
                throws IOException

Throws:

IOException

draw

public void draw(Shape s)

Specified by:

draw in class Graphics2D

fill

public void fill(Shape s)

Specified by:

fill in class Graphics2D

processPathIteratorStroke

public void processPathIteratorStroke(PathIterator iter)
                               throws IOException

Processes a path iterator generating the nexessary painting operations.

Parameters:

iter - PathIterator to process

Throws:

IOException - In case of an I/O problem.

processPathIteratorFill

public void processPathIteratorFill(PathIterator iter)
                             throws IOException

Processes a path iterator generating the nexessary painting operations.

Parameters:

iter - PathIterator to process

Throws:

IOException - In case of an I/O problem.

fillPolygon

private void fillPolygon(int windingRule,
 StringBuffer sb)

plotAbsolute

private void plotAbsolute(double x,
 double y,
 StringBuffer sb)

bezierAbsolute

private void bezierAbsolute(double x1,
 double y1,
 double x2,
 double y2,
 double x3,
 double y3,
 StringBuffer sb)

quadraticBezierAbsolute

private void quadraticBezierAbsolute(double originX,
 double originY,
 double x1,
 double y1,
 double x2,
 double y2,
 StringBuffer sb)

penDown

private void penDown(StringBuffer sb)

penUp

private void penUp(StringBuffer sb)

drawString

public void drawString(String s,
 float x,
 float y)

Specified by:

drawString in class Graphics2D

drawString

public void drawString(AttributedCharacterIterator iterator,
 float x,
 float y)

Overrides:

drawString in class org.apache.xmlgraphics.java2d.AbstractGraphics2D

drawRenderedImage

public void drawRenderedImage(RenderedImage img,
 AffineTransform xform)

Specified by:

drawRenderedImage in class Graphics2D

drawRenderableImage

public void drawRenderableImage(RenderableImage img,
 AffineTransform xform)

Specified by:

drawRenderableImage in class Graphics2D

drawImage

public boolean drawImage(Image img,
 int x,
 int y,
 int width,
 int height,
 ImageObserver observer)

Specified by:

drawImage in class Graphics

drawImage

public boolean drawImage(Image img,
 int x,
 int y,
 ImageObserver observer)

Specified by:

drawImage in class Graphics

copyArea

public void copyArea(int x,
 int y,
 int width,
 int height,
 int dx,
 int dy)

Specified by:

copyArea in class Graphics

setXORMode

public void setXORMode(Color c1)

Specified by:

setXORMode in class Graphics

buildBufferedImage

protected BufferedImage buildBufferedImage(Dimension size)

Creates a buffered image.

Parameters:

size - dimensions of the image to be created

Returns:

the buffered image

getFontMetrics

public FontMetrics getFontMetrics(Font f)

Specified by:

getFontMetrics in class Graphics