JGraph X 1.9.2.5


com.mxgraph.canvas
Class mxGraphics2DCanvas

java.lang.Object
  extended by com.mxgraph.canvas.mxBasicCanvas
      extended by com.mxgraph.canvas.mxGraphics2DCanvas
All Implemented Interfaces:
mxICanvas
Direct Known Subclasses:
mxInteractiveCanvas

public class mxGraphics2DCanvas
extends mxBasicCanvas

An implementation of a canvas that uses Graphics2D for painting.


Field Summary
protected  java.awt.Graphics2D g
          Global graphics handle to the image.
static int IMAGE_SCALING
          Specifies the image scaling quality.
protected  javax.swing.CellRendererPane rendererPane
          Optional renderer pane to be used for HTML label rendering.
protected static java.util.Map<java.lang.String,mxIShape> shapes
          Maps from names to mxIVertexShape instances.
static java.lang.String TEXT_SHAPE_DEFAULT
           
static java.lang.String TEXT_SHAPE_HTML
           
protected static java.util.Map<java.lang.String,mxITextShape> textShapes
          Maps from names to mxITextShape instances.
 
Fields inherited from class com.mxgraph.canvas.mxBasicCanvas
DEFAULT_IMAGEBASEPATH, drawLabels, imageBasePath, imageCache, PRESERVE_IMAGE_ASPECT, scale, translate
 
Constructor Summary
mxGraphics2DCanvas()
          Constructs a new graphics canvas with an empty graphics object.
mxGraphics2DCanvas(java.awt.Graphics2D g)
          Constructs a new graphics canvas for the given graphics object.
 
Method Summary
 java.awt.Paint createFillPaint(mxRectangle bounds, java.util.Map<java.lang.String,java.lang.Object> style)
           
 java.awt.Stroke createStroke(java.util.Map<java.lang.String,java.lang.Object> style)
           
 java.awt.Graphics2D createTemporaryGraphics(java.util.Map<java.lang.String,java.lang.Object> style, float opacity, mxRectangle bounds)
           
 java.lang.Object drawCell(mxCellState state)
          Draws the given cell.
 void drawImage(java.awt.Rectangle bounds, java.lang.String imageUrl)
           
 void drawImage(java.awt.Rectangle bounds, java.lang.String imageUrl, boolean preserveAspect, boolean flipH, boolean flipV)
           
protected  void drawImageImpl(java.awt.Image image, int x, int y)
          Implements the actual graphics call.
 java.lang.Object drawLabel(java.lang.String text, mxCellState state, boolean html)
          Draws the given label.
 void fillShape(java.awt.Shape shape)
           
 void fillShape(java.awt.Shape shape, boolean shadow)
           
 java.awt.Graphics2D getGraphics()
          Returns the graphics object for this canvas.
protected  java.awt.Dimension getImageSize(java.awt.Image image)
          Returns the size for the given image.
 javax.swing.CellRendererPane getRendererPane()
           
 mxIShape getShape(java.util.Map<java.lang.String,java.lang.Object> style)
           
 mxITextShape getTextShape(java.util.Map<java.lang.String,java.lang.Object> style, boolean html)
           
 void paintPolyline(mxPoint[] points, boolean rounded)
           
 void paintRectangle(java.awt.Rectangle bounds, java.awt.Color background, java.awt.Color border)
           
static void putShape(java.lang.String name, mxIShape shape)
           
static void putTextShape(java.lang.String name, mxITextShape shape)
           
 void setGraphics(java.awt.Graphics2D g)
          Sets the graphics object for this canvas.
 
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

TEXT_SHAPE_DEFAULT

public static final java.lang.String TEXT_SHAPE_DEFAULT
See Also:
Constant Field Values

TEXT_SHAPE_HTML

public static final java.lang.String TEXT_SHAPE_HTML
See Also:
Constant Field Values

IMAGE_SCALING

public static int IMAGE_SCALING
Specifies the image scaling quality. Default is Image.SCALE_SMOOTH.


shapes

protected static java.util.Map<java.lang.String,mxIShape> shapes
Maps from names to mxIVertexShape instances.


textShapes

protected static java.util.Map<java.lang.String,mxITextShape> textShapes
Maps from names to mxITextShape instances. There are currently three different hardcoded text shapes available here: default, html and wrapped.


rendererPane

protected javax.swing.CellRendererPane rendererPane
Optional renderer pane to be used for HTML label rendering.


g

protected java.awt.Graphics2D g
Global graphics handle to the image.

Constructor Detail

mxGraphics2DCanvas

public mxGraphics2DCanvas()
Constructs a new graphics canvas with an empty graphics object.


mxGraphics2DCanvas

public mxGraphics2DCanvas(java.awt.Graphics2D g)
Constructs a new graphics canvas for the given graphics object.

Method Detail

putShape

public static void putShape(java.lang.String name,
                            mxIShape shape)

getShape

public mxIShape getShape(java.util.Map<java.lang.String,java.lang.Object> style)

putTextShape

public static void putTextShape(java.lang.String name,
                                mxITextShape shape)

getTextShape

public mxITextShape getTextShape(java.util.Map<java.lang.String,java.lang.Object> style,
                                 boolean html)

getRendererPane

public javax.swing.CellRendererPane getRendererPane()

getGraphics

public java.awt.Graphics2D getGraphics()
Returns the graphics object for this canvas.


setGraphics

public void setGraphics(java.awt.Graphics2D g)
Sets the graphics object for this canvas.


drawCell

public java.lang.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 java.lang.Object drawLabel(java.lang.String text,
                                  mxCellState state,
                                  boolean html)
Description copied from interface: mxICanvas
Draws the given label.

Parameters:
text - 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.

drawImage

public void drawImage(java.awt.Rectangle bounds,
                      java.lang.String imageUrl)

drawImage

public void drawImage(java.awt.Rectangle bounds,
                      java.lang.String imageUrl,
                      boolean preserveAspect,
                      boolean flipH,
                      boolean flipV)

drawImageImpl

protected void drawImageImpl(java.awt.Image image,
                             int x,
                             int y)
Implements the actual graphics call.


getImageSize

protected java.awt.Dimension getImageSize(java.awt.Image image)
Returns the size for the given image.


paintPolyline

public void paintPolyline(mxPoint[] points,
                          boolean rounded)

paintRectangle

public void paintRectangle(java.awt.Rectangle bounds,
                           java.awt.Color background,
                           java.awt.Color border)

fillShape

public void fillShape(java.awt.Shape shape)

fillShape

public void fillShape(java.awt.Shape shape,
                      boolean shadow)

createStroke

public java.awt.Stroke createStroke(java.util.Map<java.lang.String,java.lang.Object> style)

createFillPaint

public java.awt.Paint createFillPaint(mxRectangle bounds,
                                      java.util.Map<java.lang.String,java.lang.Object> style)

createTemporaryGraphics

public java.awt.Graphics2D createTemporaryGraphics(java.util.Map<java.lang.String,java.lang.Object> style,
                                                   float opacity,
                                                   mxRectangle bounds)

JGraph X 1.9.2.5


Copyright (c) 2010 Gaudenz Alder. All rights reserved.