com.mxgraph.reader

Class mxGraphViewImageReader

java.lang.Object

org.xml.sax.helpers.DefaultHandler

com.mxgraph.reader.mxGraphViewReader

com.mxgraph.reader.mxGraphViewImageReader

All Implemented Interfaces:

org.xml.sax.ContentHandler, org.xml.sax.DTDHandler, org.xml.sax.EntityResolver, org.xml.sax.ErrorHandler

public class mxGraphViewImageReader
extends mxGraphViewReader

A converter that renders display XML data onto a graphics canvas. This reader can only be used to generate images for encoded graph views.

Constructor Summary

Constructors

Constructor and Description
mxGraphViewImageReader() Constructs a new reader with a transparent background.
mxGraphViewImageReader(java.awt.Color background) Constructs a new reader with the given background color.
mxGraphViewImageReader(java.awt.Color background, int border) Constructs a new reader with a transparent background.
mxGraphViewImageReader(java.awt.Color background, int border, boolean antiAlias) Constructs a new reader with a transparent background.
mxGraphViewImageReader(java.awt.Color background, int border, boolean antiAlias, boolean cropping) Constructs a new reader with a transparent background.

Method Summary

Modifier and Type	Method and Description
static java.awt.image.BufferedImage	convert(org.xml.sax.InputSource inputSource, mxGraphViewImageReader viewReader) Creates the image for the given display XML input source.
static java.awt.image.BufferedImage	convert(java.lang.String filename, mxGraphViewImageReader viewReader) Creates the image for the given display XML file.
mxICanvas	createCanvas(java.util.Map<java.lang.String,java.lang.Object> attrs) Returns the canvas to be used for rendering.
java.awt.Color	getBackground()
int	getBorder()
mxRectangle	getClip()
boolean	isAntiAlias()
boolean	isCropping() Specifies the optional clipping rectangle.
void	setAntiAlias(boolean antiAlias)
void	setBackground(java.awt.Color background)
void	setBorder(int border)
void	setClip(mxRectangle value)
void	setCropping(boolean value)

Methods inherited from class com.mxgraph.reader.mxGraphViewReader

getCanvas, isHtmlLabels, parseElement, parsePoints, parseState, setHtmlLabels, startElement

Methods inherited from class org.xml.sax.helpers.DefaultHandler

characters, endDocument, endElement, endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, setDocumentLocator, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

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

Constructor Detail

mxGraphViewImageReader

public mxGraphViewImageReader()

Constructs a new reader with a transparent background.

mxGraphViewImageReader

public mxGraphViewImageReader(java.awt.Color background)

Constructs a new reader with the given background color.

mxGraphViewImageReader

public mxGraphViewImageReader(java.awt.Color background,
                              int border)

Constructs a new reader with a transparent background.

mxGraphViewImageReader

public mxGraphViewImageReader(java.awt.Color background,
                              int border,
                              boolean antiAlias)

Constructs a new reader with a transparent background.

mxGraphViewImageReader

public mxGraphViewImageReader(java.awt.Color background,
                              int border,
                              boolean antiAlias,
                              boolean cropping)

Constructs a new reader with a transparent background.

Method Detail

getBackground

public java.awt.Color getBackground()

setBackground

public void setBackground(java.awt.Color background)

getBorder

public int getBorder()

setBorder

public void setBorder(int border)

isAntiAlias

public boolean isAntiAlias()

setAntiAlias

public void setAntiAlias(boolean antiAlias)

isCropping

public boolean isCropping()

Specifies the optional clipping rectangle.

setCropping

public void setCropping(boolean value)

getClip

public mxRectangle getClip()

setClip

public void setClip(mxRectangle value)

createCanvas

public mxICanvas createCanvas(java.util.Map<java.lang.String,java.lang.Object> attrs)

Description copied from class: mxGraphViewReader

Returns the canvas to be used for rendering.

Specified by:

createCanvas in class mxGraphViewReader

Parameters:

attrs - Specifies the attributes of the new canvas.

Returns:

Returns a new canvas.

convert

public static java.awt.image.BufferedImage convert(java.lang.String filename,
                                                   mxGraphViewImageReader viewReader)
                                            throws javax.xml.parsers.ParserConfigurationException,
                                                   org.xml.sax.SAXException,
                                                   java.io.IOException

Creates the image for the given display XML file. (Note: The XML file is an encoded mxGraphView, not mxGraphModel.)

Parameters:

filename - Filename of the display XML file.

Returns:

Returns an image representing the display XML file.

Throws:

javax.xml.parsers.ParserConfigurationException

org.xml.sax.SAXException

java.io.IOException

convert

public static java.awt.image.BufferedImage convert(org.xml.sax.InputSource inputSource,
                                                   mxGraphViewImageReader viewReader)
                                            throws javax.xml.parsers.ParserConfigurationException,
                                                   org.xml.sax.SAXException,
                                                   java.io.IOException

Creates the image for the given display XML input source. (Note: The XML is an encoded mxGraphView, not mxGraphModel.)

Parameters:

inputSource - Input source that contains the display XML.

Returns:

Returns an image representing the display XML input source.

Throws:

javax.xml.parsers.ParserConfigurationException

org.xml.sax.SAXException

java.io.IOException