org.jhotdraw.samples.svg.figures

Class SVGBezierFigure

java.lang.Object

org.jhotdraw.beans.AbstractBean

org.jhotdraw.draw.AbstractFigure

org.jhotdraw.draw.AbstractAttributedFigure

org.jhotdraw.draw.BezierFigure

org.jhotdraw.samples.svg.figures.SVGBezierFigure

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, Figure, DOMStorable

public class SVGBezierFigure
extends BezierFigure

SVGBezierFigure is not an actual SVG element, it is used by SVGPathFigure to represent a single BezierPath segment within an SVG path.

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.jhotdraw.draw.Figure

CONNECTABLE_PROPERTY, REMOVABLE_PROPERTY, SELECTABLE_PROPERTY, TRANSFORMABLE_PROPERTY

Constructor Summary

Constructors

Constructor and Description
SVGBezierFigure() Creates a new instance.
SVGBezierFigure(boolean isClosed)

Method Summary

Modifier and Type	Method and Description
java.util.Collection<Handle>	createHandles(SVGPathFigure pathFigure, int detailLevel)
int	findSegment(java.awt.geom.Point2D.Double find, double tolerance) Gets the segment of the polyline that is hit by the given Point2D.Double.
void	flattenTransform() Transforms all coords of the figure by the current TRANSFORM attribute and then sets the TRANSFORM attribute to null.
java.awt.geom.Rectangle2D.Double	getDrawingArea() Returns the drawing area of the figure as a Rectangle.
boolean	handleMouseClick(java.awt.geom.Point2D.Double p, java.awt.event.MouseEvent evt, DrawingView view) Handles a mouse click.
void	invalidate() Invalidates cached data of the Figure.
boolean	joinSegments(java.awt.geom.Point2D.Double join, double tolerance) Joins two segments into one if the given Point2D.Double hits a node of the polyline.
int	splitSegment(java.awt.geom.Point2D.Double split, double tolerance) Splits the segment at the given Point2D.Double if a segment was hit.
void	transform(java.awt.geom.AffineTransform tx) Transforms the shape of the Figure.

Methods inherited from class org.jhotdraw.draw.BezierFigure

addNode, addNode, chop, clone, contains, createHandles, findCompatibleConnector, findConnector, findNode, getBezierPath, getBounds, getCenter, getEndPoint, getNode, getNodeCount, getOutermostPoint, getPoint, getPoint, getPointOnPath, getStartPoint, getTransformRestoreData, isClosed, joinSegments, layout, read, removeNode, restoreTransformTo, set, setBezierPath, setBounds, setClosed, setEndPoint, setNode, setPoint, setPoint, setStartPoint, splitSegment, write

Methods inherited from class org.jhotdraw.draw.AbstractAttributedFigure

draw, get, getAttributes, getAttributesRestoreData, getStroke, getStrokeMiterLimitFactor, hasAttribute, isAttributeEnabled, removeAttribute, restoreAttributesTo, setAttributeEnabled, setAttributes

Methods inherited from class org.jhotdraw.draw.AbstractFigure

addFigureListener, addNotify, changed, findFigureInside, fireAreaInvalidated, fireFigureChanged, getActions, getConnectors, getCursor, getDecomposition, getLayer, getPreferredSize, getTool, getToolTipText, handleDrop, includes, isConnectable, isRemovable, isSelectable, isTransformable, isVisible, remap, removeFigureListener, removeNotify, requestRemove, setBounds, setConnectable, setRemovable, setSelectable, setTransformable, setVisible, toString, willChange

Methods inherited from class org.jhotdraw.beans.AbstractBean

addPropertyChangeListener, addPropertyChangeListener, getPropertyChangeListeners, removePropertyChangeListener, removePropertyChangeListener

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jhotdraw.draw.Figure

addPropertyChangeListener, removePropertyChangeListener

Constructor Detail

SVGBezierFigure

public SVGBezierFigure()

Creates a new instance.

SVGBezierFigure

public SVGBezierFigure(boolean isClosed)

Method Detail

createHandles

public java.util.Collection<Handle> createHandles(SVGPathFigure pathFigure,
                                                  int detailLevel)

handleMouseClick

public boolean handleMouseClick(java.awt.geom.Point2D.Double p,
                                java.awt.event.MouseEvent evt,
                                DrawingView view)

Description copied from class: BezierFigure

Handles a mouse click.

Specified by:

handleMouseClick in interface Figure

Overrides:

handleMouseClick in class BezierFigure

Parameters:

p - The location of the mouse event.

evt - The mouse event.

view - The drawing view which is the source of the mouse event.

Returns:

Returns true, if the event was consumed.

transform

public void transform(java.awt.geom.AffineTransform tx)

Description copied from interface: Figure

Transforms the shape of the Figure. Transformations using double precision arithmethics are inherently lossy operations. Therefore it is recommended to use getTransformRestoreData() restoreTransformTo() to provide lossless undo/redo functionality.

This is a basic operation which does not fire events. Use the following code sequence, if you need event firing:

 figure.willChange();
 figure.transform(...);
 figure.changed();
 

Specified by:

transform in interface Figure

Overrides:

transform in class BezierFigure

Parameters:

tx - The transformation.

See Also:

Figure.getTransformRestoreData(), Figure.restoreTransformTo(java.lang.Object)

getDrawingArea

public java.awt.geom.Rectangle2D.Double getDrawingArea()

Description copied from interface: Figure

Returns the drawing area of the figure as a Rectangle.

The drawing area is used to inform DrawingView about the area that is needed to draw this figure.

The drawing area needs to be large enough, to take line width, line caps and other decorations into account that exceed the bounds of the Figure.

Specified by:

getDrawingArea in interface Figure

Overrides:

getDrawingArea in class BezierFigure

findSegment

public int findSegment(java.awt.geom.Point2D.Double find,
                       double tolerance)

Gets the segment of the polyline that is hit by the given Point2D.Double.

Overrides:

findSegment in class BezierFigure

Parameters:

find - a Point on the bezier path

tolerance - a tolerance, tolerance should take into account the line width, plus 2 divided by the zoom factor.

Returns:

the index of the segment or -1 if no segment was hit.

joinSegments

public boolean joinSegments(java.awt.geom.Point2D.Double join,
                            double tolerance)

Joins two segments into one if the given Point2D.Double hits a node of the polyline.

Overrides:

joinSegments in class BezierFigure

Parameters:

join - a Point at a node on the bezier path

tolerance - a tolerance, tolerance should take into account the line width, plus 2 divided by the zoom factor.

Returns:

true if the two segments were joined.

splitSegment

public int splitSegment(java.awt.geom.Point2D.Double split,
                        double tolerance)

Splits the segment at the given Point2D.Double if a segment was hit.

Overrides:

splitSegment in class BezierFigure

Parameters:

split - a Point on (or near) a segment of the bezier path

tolerance - a tolerance, tolerance should take into account the line width, plus 2 divided by the zoom factor.

Returns:

the index of the segment or -1 if no segment was hit.

flattenTransform

public void flattenTransform()

Transforms all coords of the figure by the current TRANSFORM attribute and then sets the TRANSFORM attribute to null.

invalidate

public void invalidate()

Description copied from class: AbstractFigure

Invalidates cached data of the Figure. This method must execute fast, because it can be called very often.

Overrides:

invalidate in class BezierFigure