Package com.mxgraph.util.svg

Class AWTPathProducer

java.lang.Object

com.mxgraph.util.svg.AWTPathProducer

All Implemented Interfaces:

PathHandler, ShapeProducer

public class AWTPathProducer
extends java.lang.Object
implements PathHandler, ShapeProducer

This class provides an implementation of the PathHandler that initializes a Shape from the value of a path's 'd' attribute.

Field Summary

Fields

Modifier and Type	Field	Description
protected float	currentX	The current x position.
protected float	currentY	The current y position.
protected ExtendedGeneralPath	path	The temporary value of extendedGeneralPath.
protected int	windingRule	The winding rule to use to construct the path.
protected float	xCenter	The reference x point for smooth arcs.
protected float	yCenter	The reference y point for smooth arcs.

Constructor Summary

Constructors

Constructor	Description
AWTPathProducer()

Method Summary

Modifier and Type	Method	Description
void	arcAbs(float rx, float ry, float xAxisRotation, boolean largeArcFlag, boolean sweepFlag, float x, float y)	Implements PathHandler.arcAbs(float,float,float,boolean,boolean,float,float).
void	arcRel(float rx, float ry, float xAxisRotation, boolean largeArcFlag, boolean sweepFlag, float x, float y)	Implements PathHandler.arcRel(float,float,float,boolean,boolean,float,float).
void	closePath()	Implements PathHandler.closePath().
static java.awt.Shape	createShape(java.lang.String text, int wr)	Utility method for creating an ExtendedGeneralPath.
void	curvetoCubicAbs(float x1, float y1, float x2, float y2, float x, float y)	Implements PathHandler.curvetoCubicAbs(float,float,float,float,float,float).
void	curvetoCubicRel(float x1, float y1, float x2, float y2, float x, float y)	Implements PathHandler.curvetoCubicRel(float,float,float,float,float,float).
void	curvetoCubicSmoothAbs(float x2, float y2, float x, float y)	Implements PathHandler.curvetoCubicSmoothAbs(float,float,float,float).
void	curvetoCubicSmoothRel(float x2, float y2, float x, float y)	Implements PathHandler.curvetoCubicSmoothRel(float,float,float,float).
void	curvetoQuadraticAbs(float x1, float y1, float x, float y)	Implements PathHandler.curvetoQuadraticAbs(float,float,float,float).
void	curvetoQuadraticRel(float x1, float y1, float x, float y)	Implements PathHandler.curvetoQuadraticRel(float,float,float,float).
void	curvetoQuadraticSmoothAbs(float x, float y)	Implements PathHandler.curvetoQuadraticSmoothAbs(float,float).
void	curvetoQuadraticSmoothRel(float x, float y)	Implements PathHandler.curvetoQuadraticSmoothRel(float,float).
void	endPath()	Implements PathHandler.endPath().
java.awt.Shape	getShape()	Returns the Shape object initialized during the last parsing.
int	getWindingRule()	Returns the current winding rule.
void	linetoAbs(float x, float y)	Implements PathHandler.linetoAbs(float,float).
void	linetoHorizontalAbs(float x)	Implements PathHandler.linetoHorizontalAbs(float).
void	linetoHorizontalRel(float x)	Implements PathHandler.linetoHorizontalRel(float).
void	linetoRel(float x, float y)	Implements PathHandler.linetoRel(float,float).
void	linetoVerticalAbs(float y)	Implements PathHandler.linetoVerticalAbs(float).
void	linetoVerticalRel(float y)	Implements PathHandler.linetoVerticalRel(float).
void	movetoAbs(float x, float y)	Implements PathHandler.movetoAbs(float,float).
void	movetoRel(float x, float y)	Implements PathHandler.movetoRel(float,float).
void	setWindingRule(int i)	Sets the winding rule used to construct the path.
void	startPath()	Implements PathHandler.startPath().

Methods inherited from class java.lang.Object

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

Field Detail

path

protected ExtendedGeneralPath path

The temporary value of extendedGeneralPath.

currentX

protected float currentX

The current x position.

currentY

protected float currentY

The current y position.

xCenter

protected float xCenter

The reference x point for smooth arcs.

yCenter

protected float yCenter

The reference y point for smooth arcs.

windingRule

protected int windingRule

The winding rule to use to construct the path.

Constructor Detail

AWTPathProducer

public AWTPathProducer()

Method Detail

createShape

public static java.awt.Shape createShape(java.lang.String text,
                                         int wr)
                                  throws ParseException

Utility method for creating an ExtendedGeneralPath.

Parameters:

text - The text representation of the path specification.

wr - The winding rule to use for creating the path.

Throws:

ParseException

setWindingRule

public void setWindingRule(int i)

Sets the winding rule used to construct the path.

Specified by:

setWindingRule in interface ShapeProducer

getWindingRule

public int getWindingRule()

Returns the current winding rule.

Specified by:

getWindingRule in interface ShapeProducer

getShape

public java.awt.Shape getShape()

Returns the Shape object initialized during the last parsing.

Specified by:

getShape in interface ShapeProducer

Returns:

the shape or null if this handler has not been used by a parser.

startPath

public void startPath()
               throws ParseException

Implements PathHandler.startPath().

Specified by:

startPath in interface PathHandler

Throws:

ParseException - if an error occured while processing the path

endPath

public void endPath()
             throws ParseException

Implements PathHandler.endPath().

Specified by:

endPath in interface PathHandler

Throws:

ParseException - if an error occured while processing the path

movetoRel

public void movetoRel(float x,
                      float y)
               throws ParseException

Implements PathHandler.movetoRel(float,float).

Specified by:

movetoRel in interface PathHandler

Parameters:

x - the relative x coordinate for the end point

y - the relative y coordinate for the end point

Throws:

ParseException - if an error occured while processing the path

movetoAbs

public void movetoAbs(float x,
                      float y)
               throws ParseException

Implements PathHandler.movetoAbs(float,float).

Specified by:

movetoAbs in interface PathHandler

Parameters:

x - the absolute x coordinate for the end point

y - the absolute y coordinate for the end point

Throws:

ParseException - if an error occured while processing the path

closePath

public void closePath()
               throws ParseException

Implements PathHandler.closePath().

Specified by:

closePath in interface PathHandler

Throws:

ParseException - if an error occured while processing the path

linetoRel

public void linetoRel(float x,
                      float y)
               throws ParseException

Implements PathHandler.linetoRel(float,float).

Specified by:

linetoRel in interface PathHandler

Parameters:

x - the relative x coordinates for the end point

y - the relative y coordinates for the end point

Throws:

ParseException - if an error occured while processing the path

linetoAbs

public void linetoAbs(float x,
                      float y)
               throws ParseException

Implements PathHandler.linetoAbs(float,float).

Specified by:

linetoAbs in interface PathHandler

Parameters:

x - the absolute x coordinate for the end point

y - the absolute y coordinate for the end point

Throws:

ParseException - if an error occured while processing the path

linetoHorizontalRel

public void linetoHorizontalRel(float x)
                         throws ParseException

Implements PathHandler.linetoHorizontalRel(float).

Specified by:

linetoHorizontalRel in interface PathHandler

Parameters:

x - the relative X coordinate of the end point

Throws:

ParseException - if an error occured while processing the path

linetoHorizontalAbs

public void linetoHorizontalAbs(float x)
                         throws ParseException

Implements PathHandler.linetoHorizontalAbs(float).

Specified by:

linetoHorizontalAbs in interface PathHandler

Parameters:

x - the absolute X coordinate of the end point

Throws:

ParseException - if an error occured while processing the path

linetoVerticalRel

public void linetoVerticalRel(float y)
                       throws ParseException

Implements PathHandler.linetoVerticalRel(float).

Specified by:

linetoVerticalRel in interface PathHandler

Parameters:

y - the relative Y coordinate of the end point

Throws:

ParseException - if an error occured while processing the path

linetoVerticalAbs

public void linetoVerticalAbs(float y)
                       throws ParseException

Implements PathHandler.linetoVerticalAbs(float).

Specified by:

linetoVerticalAbs in interface PathHandler

Parameters:

y - the absolute Y coordinate of the end point

Throws:

ParseException - if an error occured while processing the path

curvetoCubicRel

public void curvetoCubicRel(float x1,
                            float y1,
                            float x2,
                            float y2,
                            float x,
                            float y)
                     throws ParseException

Implements PathHandler.curvetoCubicRel(float,float,float,float,float,float).

Specified by:

curvetoCubicRel in interface PathHandler

Parameters:

x1 - the relative x coordinate for the first control point

y1 - the relative y coordinate for the first control point

x2 - the relative x coordinate for the second control point

y2 - the relative y coordinate for the second control point

x - the relative x coordinate for the end point

y - the relative y coordinate for the end point

Throws:

ParseException - if an error occured while processing the path

curvetoCubicAbs

public void curvetoCubicAbs(float x1,
                            float y1,
                            float x2,
                            float y2,
                            float x,
                            float y)
                     throws ParseException

Implements PathHandler.curvetoCubicAbs(float,float,float,float,float,float).

Specified by:

curvetoCubicAbs in interface PathHandler

Parameters:

x1 - the absolute x coordinate for the first control point

y1 - the absolute y coordinate for the first control point

x2 - the absolute x coordinate for the second control point

y2 - the absolute y coordinate for the second control point

x - the absolute x coordinate for the end point

y - the absolute y coordinate for the end point

Throws:

ParseException - if an error occured while processing the path

curvetoCubicSmoothRel

public void curvetoCubicSmoothRel(float x2,
                                  float y2,
                                  float x,
                                  float y)
                           throws ParseException

Implements PathHandler.curvetoCubicSmoothRel(float,float,float,float).

Specified by:

curvetoCubicSmoothRel in interface PathHandler

Parameters:

x2 - the relative x coordinate for the second control point

y2 - the relative y coordinate for the second control point

x - the relative x coordinate for the end point

y - the relative y coordinate for the end point

Throws:

ParseException - if an error occured while processing the path

curvetoCubicSmoothAbs

public void curvetoCubicSmoothAbs(float x2,
                                  float y2,
                                  float x,
                                  float y)
                           throws ParseException

Implements PathHandler.curvetoCubicSmoothAbs(float,float,float,float).

Specified by:

curvetoCubicSmoothAbs in interface PathHandler

Parameters:

x2 - the absolute x coordinate for the second control point

y2 - the absolute y coordinate for the second control point

x - the absolute x coordinate for the end point

y - the absolute y coordinate for the end point

Throws:

ParseException - if an error occured while processing the path

curvetoQuadraticRel

public void curvetoQuadraticRel(float x1,
                                float y1,
                                float x,
                                float y)
                         throws ParseException

Implements PathHandler.curvetoQuadraticRel(float,float,float,float).

Specified by:

curvetoQuadraticRel in interface PathHandler

Parameters:

x1 - the relative x coordinate for the control point

y1 - the relative y coordinate for the control point

x - the relative x coordinate for the end point

y - the relative x coordinate for the end point

Throws:

ParseException - if an error occured while processing the path

curvetoQuadraticAbs

public void curvetoQuadraticAbs(float x1,
                                float y1,
                                float x,
                                float y)
                         throws ParseException

Implements PathHandler.curvetoQuadraticAbs(float,float,float,float).

Specified by:

curvetoQuadraticAbs in interface PathHandler

Parameters:

x1 - the absolute x coordinate for the control point

y1 - the absolute y coordinate for the control point

x - the absolute x coordinate for the end point

y - the absolute x coordinate for the end point

Throws:

ParseException - if an error occured while processing the path

curvetoQuadraticSmoothRel

public void curvetoQuadraticSmoothRel(float x,
                                      float y)
                               throws ParseException

Implements PathHandler.curvetoQuadraticSmoothRel(float,float).

Specified by:

curvetoQuadraticSmoothRel in interface PathHandler

Parameters:

x - the relative x coordinate for the end point

y - the relative y coordinate for the end point

Throws:

ParseException - if an error occured while processing the path

curvetoQuadraticSmoothAbs

public void curvetoQuadraticSmoothAbs(float x,
                                      float y)
                               throws ParseException

Implements PathHandler.curvetoQuadraticSmoothAbs(float,float).

Specified by:

curvetoQuadraticSmoothAbs in interface PathHandler

Parameters:

x - the absolute x coordinate for the end point

y - the absolute y coordinate for the end point

Throws:

ParseException - if an error occured while processing the path

arcRel

public void arcRel(float rx,
                   float ry,
                   float xAxisRotation,
                   boolean largeArcFlag,
                   boolean sweepFlag,
                   float x,
                   float y)
            throws ParseException

Implements PathHandler.arcRel(float,float,float,boolean,boolean,float,float).

Specified by:

arcRel in interface PathHandler

Parameters:

rx - the X axis radius for the ellipse

ry - the Y axis radius for the ellipse

xAxisRotation - the rotation angle in degrees for the ellipse's X-axis relative to the X-axis

largeArcFlag - the value of the large-arc-flag

sweepFlag - the value of the sweep-flag

x - the relative x coordinate for the end point

y - the relative y coordinate for the end point

Throws:

ParseException - if an error occured while processing the path

arcAbs

public void arcAbs(float rx,
                   float ry,
                   float xAxisRotation,
                   boolean largeArcFlag,
                   boolean sweepFlag,
                   float x,
                   float y)
            throws ParseException

Implements PathHandler.arcAbs(float,float,float,boolean,boolean,float,float).

Specified by:

arcAbs in interface PathHandler

Parameters:

rx - the X axis radius for the ellipse

ry - the Y axis radius for the ellipse

xAxisRotation - the rotation angle in degrees for the ellipse's X-axis relative to the X-axis

largeArcFlag - the value of the large-arc-flag

sweepFlag - the value of the sweep-flag

x - the absolute x coordinate for the end point

y - the absolute y coordinate for the end point

Throws:

ParseException - if an error occured while processing the path