java.lang.Object
- org.faceless.graph.Graph

Direct Known Subclasses:

AxesGraph, PieGraph
```
public abstract class Graph
extends Object
```
The abstract base class for all Graphs in the org.faceless.graph package.

This class controls the building and rendering of the graph, adding the key and any annotations if necessary and rotating or scaling it as required. It doesn't contain any information about how to lay out the data - this is all taken care of by it's subclasses.

All the types of Graph in the package have certain things in common.

All the graphs are fully 3D. By default they are seen head-on and so look two-dimensional, but can be rotated to any angle to give a 3D effect by calling optionXRotation and it's friends.

They all have data added two them in one of two ways - for discrete data, via the set() method, and for continuous data via the setCurve() method. The exact forms of these methods vary from subclass to subclass. The order in which the subsets appear on the Graph is the same as the order in which they were first specified.

The look of the Graphs is controlled by calling the option methods, which an be used to set titles, axes labels and so on. As the name implies all of these methods are optional, and don't have to be called to create a Graph.

Finally, all the graphs when complete are sent to an output device - be it a PDF document, a java.awt.Image or a specific image format. This is done with the render() method

Concrete subclasses in this release are the PieGraph, BarGraph, TowerBarGraph, DepthBarGraph, LineGraph, AreaGraph and FloatingBarGraph, and more will be added in future releases.

Field Summary

Fields
Modifier and Type	Field	Description
`protected org.faceless.graph.Canvas`	`canvas`
`protected org.faceless.graph.Key`	`key`
`static int`	`KEY_BOXED_BOTTOM`	The Graph should have a key in a box at the bottom of the output
`static int`	`KEY_BOXED_LEFT`	The Graph should have a key in a box to the left of the output
`static int`	`KEY_BOXED_RIGHT`	The Graph should have a key in a box to the right of the output
`static int`	`KEY_BOXED_TOP`	The Graph should have a key in a box above the output
`static int`	`KEY_NONE`	The Graph should have no key at all
`protected Style`	`keyboxstyle`
`protected double`	`keypadding`
`protected Style`	`keystyle`
`protected int`	`keytype`
`protected String`	`subtitle`
`protected Style`	`subtitlestyle`
`protected String`	`title`
`protected double`	`titlepadding`
`protected Style`	`titlestyle`
`protected double`	`xrotation`
`protected double`	`yrotation`
`protected double`	`zrotation`

Constructor Summary

Constructors
Modifier Constructor Description

protected Graph()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`addElement(org.faceless.graph.Element e)`	This is the method used to add an Element to the graph.
`protected void`	`complete()`	Complete is the first method that's called by a Graph when it's rendered.
`Color`	`getDefaultBorderColor()`	Returns the value set by `setDefaultBorderColor(java.awt.Color)`
`double`	`getFontScale()`	Return the current font scale.
`void`	`optionDisplayKey(int val)`	What type of external key to display on the graph.
`void`	`optionFixedAspectRatio(boolean val)`	Whether this graph should have a fixed aspect ratio.
`void`	`optionKeyBoxStyle(Style val)`	The Style to give to the box holding the external key.
`void`	`optionKeyStyle(Style val)`	The Style to give to the text used in the external key
`protected void`	`optionRemoveBackFace(boolean val)`	Whether this graph should have the back-faces of polygons removed for faster rendering.
`void`	`optionSubTitle(String val)`	The sub-title to give the graph
`void`	`optionSubTitleStyle(Style val)`	The Style to give to the sub-title of the graph
`void`	`optionTitle(String val)`	The title to give the graph
`void`	`optionTitleStyle(Style val)`	The Style to give to the title of the graph
`void`	`optionXRotation(double val)`	How far to rotate the graph around the X-axis (the line running from the left of the graph to the right), in degrees.
`void`	`optionYRotation(double val)`	How far to rotate the graph around the Y-axis (the line running from the top of the graph to the bottom), in degrees.
`void`	`optionZRotation(double val)`	How far to rotate the graph around the Z-axis (the line running from the front of the graph to the back), in degrees.
`protected void`	`postcomplete()`	PostComplete is called by a Graph when it's rendered, but after complete.
`protected void`	`postpostcomplete()`	The unfortunately named PostPostComplete is called last of all by a Graph when it's rendered, to add anything that couldn't quite be laid out correctly on the last pass - usually Text dependant on the position of other text.
`void`	`setDefaultBorderColor(Color c)`	This method changes the default border color of new styles.
`void`	`setDefaultColors(Paint[] colors)`	Set the default colors for the graph.
`void`	`setDefaultLineThickness(double thickness)`	Set the default line thickness for all styles. 1 is the default, 0.5 is half as thick, and so on.
`void`	`setFontScale(double val)`	Every text element that's created may have it's font automatically scaled up or down by a percentage by setting a different fontscale.
`static void`	`setLicenseKey(String skey)`	Set the license key for the library.
`void`	`setLightLevel(int level)`	Set the level of light (technically, the level of shade) that should be applied to a graph.
`void`	`setLightVector(int x, int y, int z)`	Set the vector of where the light is coming from.
`void`	`setPieEdgeDegrees(double val)`	Adjust the number of degrees taken by each of the small faces used to draw the edge of a PieGraph.
`void`	`toCanvas(Output o)`	starts the conversion of the graph from values added through the `set()` or `setCurve()` methods to an `Output`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - canvas
```
protected org.faceless.graph.Canvas canvas
```
  - key
```
protected org.faceless.graph.Key key
```
  - keyboxstyle
```
protected Style keyboxstyle
```
  - keystyle
```
protected Style keystyle
```
  - titlestyle
```
protected Style titlestyle
```
  - subtitlestyle
```
protected Style subtitlestyle
```
  - title
```
protected String title
```
  - subtitle
```
protected String subtitle
```
  - keytype
```
protected int keytype
```
  - xrotation
```
protected double xrotation
```
  - yrotation
```
protected double yrotation
```
  - zrotation
```
protected double zrotation
```
  - titlepadding
```
protected double titlepadding
```
  - keypadding
```
protected double keypadding
```
  - KEY_NONE
```
public static final int KEY_NONE
```
    The Graph should have no key at all
    
    See Also:
    
    Constant Field Values
  - KEY_BOXED_BOTTOM
```
public static final int KEY_BOXED_BOTTOM
```
    The Graph should have a key in a box at the bottom of the output
    
    See Also:
    
    Constant Field Values
  - KEY_BOXED_RIGHT
```
public static final int KEY_BOXED_RIGHT
```
    The Graph should have a key in a box to the right of the output
    
    See Also:
    
    Constant Field Values
  - KEY_BOXED_LEFT
```
public static final int KEY_BOXED_LEFT
```
    The Graph should have a key in a box to the left of the output
    
    See Also:
    
    Constant Field Values
  - KEY_BOXED_TOP
```
public static final int KEY_BOXED_TOP
```
    The Graph should have a key in a box above the output
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - Graph
```
protected Graph()
```
- Method Detail
  - addElement
```
protected final void addElement(org.faceless.graph.Element e)
```
    This is the method used to add an Element to the graph. It is usually called by subclasses of Graph, but is public in case developers want to add their own objects.
  - setDefaultColors
```
public void setDefaultColors(Paint[] colors)
```
    Set the default colors for the graph. Each new element that is added will use the next color in this list - if there are no unused colors left, the list is reset to the beginning.
  - optionTitle
```
public void optionTitle(String val)
```
    The title to give the graph
    Default: empty string
  - optionSubTitle
```
public void optionSubTitle(String val)
```
    The sub-title to give the graph
    Default: empty string
  - optionTitleStyle
```
public void optionTitleStyle(Style val)
```
    The Style to give to the title of the graph
    Default: Black 16pt Helvetica
  - optionSubTitleStyle
```
public void optionSubTitleStyle(Style val)
```
    The Style to give to the sub-title of the graph
    Default: Black 12pt Helvetica
  - optionXRotation
```
public void optionXRotation(double val)
```
    How far to rotate the graph around the X-axis (the line running from the left of the graph to the right), in degrees.
    Default: 0
  - optionYRotation
```
public void optionYRotation(double val)
```
    How far to rotate the graph around the Y-axis (the line running from the top of the graph to the bottom), in degrees.
    Default: 0
  - optionZRotation
```
public void optionZRotation(double val)
```
    How far to rotate the graph around the Z-axis (the line running from the front of the graph to the back), in degrees.
    Default: 0
  - optionDisplayKey
```
public void optionDisplayKey(int val)
```
    What type of external key to display on the graph. Valid options for all graphs include KEY_NONE, KEY_BOXED_BOTTOM, KEY_BOXED_RIGHT, KEY_BOXED_LEFT and KEY_BOXED_TOP, and subclasses (in particular the PieGraph may have additional values available.
    Default: Usually KEY_BOXED_BOTTOM, but may vary for subclasses
  - optionKeyStyle
```
public void optionKeyStyle(Style val)
```
    The Style to give to the text used in the external key
    Default: Black 10pt Helvetica
  - optionKeyBoxStyle
```
public void optionKeyBoxStyle(Style val)
```
    The Style to give to the box holding the external key. Only used if the optionDisplayKey is set to a variety of BOXED
    Default: Color #FFFFE0, with a black border
  - optionFixedAspectRatio
```
public void optionFixedAspectRatio(boolean val)
```
    Whether this graph should have a fixed aspect ratio. For every graph except PieGraph, this should be left at the default.
    Default: true for subclass PieGraph, false otherwise
  - optionRemoveBackFace
```
protected void optionRemoveBackFace(boolean val)
```
    Whether this graph should have the back-faces of polygons removed for faster rendering.
    Default: false for subclass LineGraph, true otherwise
  - complete
```
protected void complete()
```
    Complete is the first method that's called by a Graph when it's rendered. It should take the data from the dataset and add the various elements that it needs to the Graph. The first thing it should do, however, is call super.complete().
  - postcomplete
```
protected void postcomplete()
```
    PostComplete is called by a Graph when it's rendered, but after complete. It should add any elements that are required but couldn't be calculated until after complete() (the axes in an axes graph are an example). The last thing it should do before returning is call super.postcomplete()
  - postpostcomplete
```
protected void postpostcomplete()
```
    The unfortunately named PostPostComplete is called last of all by a Graph when it's rendered, to add anything that couldn't quite be laid out correctly on the last pass - usually Text dependant on the position of other text. The last thing it should do before returning is call super.postpostcomplete()
  - toCanvas
```
public final void toCanvas(Output o)
```
    starts the conversion of the graph from values added through the set() or setCurve() methods to an Output.
    
    Parameters:
    
    o - the Output to pain the graph onto.
  - setLicenseKey
```
public static void setLicenseKey(String skey)
```
    Set the license key for the library. When the library is purchased, the Big Faceless Organization supplies a key which disables the 30-day use restriction.
    
    Parameters:
    
    skey - the license key
  - setFontScale
```
public void setFontScale(double val)
```
    Every text element that's created may have it's font automatically scaled up or down by a percentage by setting a different fontscale. This was intended for subclasses of Output, so those that use a totally different scaling can set it in one go. But it's useful for the end user too. The default is 1, and a value of 0.5 would make all the text half the original size.
    Replaces the equivalent static method in the Style class
    
    Since:
    
    1.0.3
  - getFontScale
```
public double getFontScale()
```
    Return the current font scale. See setFontScale(double)
    Replaces the equivalent static method in the Style class
    
    Since:
    
    1.0.3
  - setLightLevel
```
public void setLightLevel(int level)
```
    Set the level of light (technically, the level of shade) that should be applied to a graph. A value of 0 is no shading at all, a value of 100 gives deep shadows. The default is 70.
    Replaces the equivalent static method in the Style class
    
    Since:
    
    1.0.3
  - setLightVector
```
public void setLightVector(int x,
                           int y,
                           int z)
```
    Set the vector of where the light is coming from. The light is assumed to be coming from an infinite distance away in the specified direction, so don't worry about the length of the vector. The default is (1,0,0), which makes the light appear to come from the right side of the graph. Calling graph.setLightVector(-1,0,1) would put the light to the left and in front of the graph, while a vector (0,-1,0) would put the light directly underneath the graph, for a strange result indeed.
    Replaces the equivalent static method in the Style class
    
    Since:
    
    1.0.3
  - setDefaultBorderColor
```
public void setDefaultBorderColor(Color c)
```
    This method changes the default border color of new styles. By default, this is set to black, but it can be set to null for a different look, or a different color altogether. This is useful if the graph is to be rendered over a black background, for example.
    Replaces the equivalent static method in the Style class
    
    Since:
    
    1.0.3
  - getDefaultBorderColor
```
public Color getDefaultBorderColor()
```
    Returns the value set by setDefaultBorderColor(java.awt.Color)
    Replaces the equivalent static method in the Style class
    
    Since:
    
    1.0.3
  - setDefaultLineThickness
```
public void setDefaultLineThickness(double thickness)
```
    Set the default line thickness for all styles. 1 is the default, 0.5 is half as thick, and so on. Not all Output classes can use this option. A value of zero means "make the lines as thin as possible".
    Replaces the equivalent static method in the Style class
    
    Since:
    
    1.0.3
  - setPieEdgeDegrees
```
public void setPieEdgeDegrees(double val)
```
    Adjust the number of degrees taken by each of the small faces used to draw the edge of a PieGraph. The higher the number of faces, the less noticeable the "banding" effect will be on the edge of a 3D shaded PieGraph, but at the expense of slower rendering. The default value is 5 degrees.
    Replaces the equivalent static method in the Style class
    
    Parameters:
    
    val - the number of degrees per face at the edge of a PieGraph
    
    Since:
    
    1.0.3

Class Graph

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

canvas

key

keyboxstyle

keystyle

titlestyle

subtitlestyle

title

subtitle

keytype

xrotation

yrotation

zrotation

titlepadding

keypadding

KEY_NONE

KEY_BOXED_BOTTOM

KEY_BOXED_RIGHT

KEY_BOXED_LEFT

KEY_BOXED_TOP

Constructor Detail

Graph

Method Detail

addElement

setDefaultColors

optionTitle

optionSubTitle

optionTitleStyle

optionSubTitleStyle

optionXRotation

optionYRotation

optionZRotation

optionDisplayKey

optionKeyStyle

optionKeyBoxStyle

optionFixedAspectRatio

optionRemoveBackFace

complete

postcomplete

postpostcomplete

toCanvas

setLicenseKey

setFontScale

getFontScale

setLightLevel

setLightVector

setDefaultBorderColor

getDefaultBorderColor

setDefaultLineThickness

setPieEdgeDegrees