com.mxgraph.canvas

Class mxVmlCanvas

java.lang.Object

com.mxgraph.canvas.mxBasicCanvas

com.mxgraph.canvas.mxVmlCanvas

All Implemented Interfaces:

mxICanvas

public class mxVmlCanvas
extends mxBasicCanvas

An implementation of a canvas that uses VML for painting.

Field Summary

Fields

Modifier and Type	Field and Description
protected Document	document Holds the HTML document that represents the canvas.

Fields inherited from class com.mxgraph.canvas.mxBasicCanvas

DEFAULT_IMAGEBASEPATH, drawLabels, imageBasePath, imageCache, PRESERVE_IMAGE_ASPECT, scale, translate

Constructor Summary

Constructors

Constructor and Description
mxVmlCanvas() Constructs a new VML canvas for the specified dimension and scale.
mxVmlCanvas(Document document) Constructs a new VML canvas for the specified bounds, scale and background color.

Method Summary

Modifier and Type	Method and Description
void	appendVmlElement(Element node)
Object	drawCell(mxCellState state) Draws the given cell.
Object	drawLabel(String label, mxCellState state, boolean html) Draws the given label.
Element	drawLine(List<mxPoint> pts, Map<String,Object> style) Draws the given lines as segments between all points of the given list of mxPoints.
Element	drawShape(int x, int y, int w, int h, Map<String,Object> style) Draws the shape specified with the STYLE_SHAPE key in the given style.
Element	drawText(String text, int x, int y, int w, int h, Map<String,Object> style) Draws the specified text either using drawHtmlString or using drawString.
Document	getDocument() Returns a reference to the document that represents the canvas.
void	setDocument(Document document)

Methods inherited from class com.mxgraph.canvas.mxBasicCanvas

flushImageCache, getImageBasePath, getImageForStyle, getScale, getTranslate, isDrawLabels, loadImage, setDrawLabels, setImageBasePath, setScale, setTranslate

Methods inherited from class java.lang.Object

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

Field Detail

document

protected Document document

Holds the HTML document that represents the canvas.

Constructor Detail

mxVmlCanvas

public mxVmlCanvas()

Constructs a new VML canvas for the specified dimension and scale.

mxVmlCanvas

public mxVmlCanvas(Document document)

Constructs a new VML canvas for the specified bounds, scale and background color.

Method Detail

setDocument

public void setDocument(Document document)

getDocument

public Document getDocument()

Returns a reference to the document that represents the canvas.

Returns:

Returns the document.

appendVmlElement

public void appendVmlElement(Element node)

drawCell

public Object drawCell(mxCellState state)

Description copied from interface: mxICanvas

Draws the given cell.

Parameters:

state - State of the cell to be painted.

Returns:

Object that represents the cell.

drawLabel

public Object drawLabel(String label,
                        mxCellState state,
                        boolean html)

Description copied from interface: mxICanvas

Draws the given label.

Parameters:

label - String that represents the label.

state - State of the cell whose label is to be painted.

html - Specifies if the label contains HTML markup.

Returns:

Object that represents the label.

drawShape

public Element drawShape(int x,
                         int y,
                         int w,
                         int h,
                         Map<String,Object> style)

Draws the shape specified with the STYLE_SHAPE key in the given style.

Parameters:

x - X-coordinate of the shape.

y - Y-coordinate of the shape.

w - Width of the shape.

h - Height of the shape.

style - Style of the the shape.

drawLine

public Element drawLine(List<mxPoint> pts,
                        Map<String,Object> style)

Draws the given lines as segments between all points of the given list of mxPoints.

Parameters:

pts - List of points that define the line.

style - Style to be used for painting the line.

drawText

public Element drawText(String text,
                        int x,
                        int y,
                        int w,
                        int h,
                        Map<String,Object> style)

Draws the specified text either using drawHtmlString or using drawString.

Parameters:

text - Text to be painted.

x - X-coordinate of the text.

y - Y-coordinate of the text.

w - Width of the text.

h - Height of the text.

style - Style to be used for painting the text.