org.pepstock.charba.client.data

Class CanvasObjectFactory

java.lang.Object

org.pepstock.charba.client.data.CanvasObjectFactory

public final class CanvasObjectFactory
extends Object

Utility class which creates a canvas gradient and pattern java script objects using a Charba gradient or pattern.
A Charba gradient or pattern describes how a GWT canvas gradient or pattern must be created.

Author:

Andrea "Stock" Stocchero

See Also:

Gradient, Pattern, CanvasGradient, CanvasPattern

Method Summary

Modifier and Type	Method and Description
static CanvasGradient	createGradient(AbstractChart<?,?> chart, Gradient gradient, int datasetIndex, int index) Creates a GWT canvas gradient java script object using a Charba gradient and a chart instance which must provide a canvas instance and its context.
static CanvasPattern	createPattern(AbstractChart<?,?> chart, Pattern pattern) Creates a GWT canvas pattern java script object using a Charba pattern and a chart instance which must provide a canvas instance and its context.

Methods inherited from class java.lang.Object

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

Method Detail

createPattern

public static CanvasPattern createPattern(AbstractChart<?,?> chart,
                                          Pattern pattern)

Creates a GWT canvas pattern java script object using a Charba pattern and a chart instance which must provide a canvas instance and its context.

Parameters:

chart - chart instance which must provide a canvas instance and its context

pattern - pattern instance created at configuration level

Returns:

a GWT canvas pattern

createGradient

public static CanvasGradient createGradient(AbstractChart<?,?> chart,
                                            Gradient gradient,
                                            int datasetIndex,
                                            int index)

Creates a GWT canvas gradient java script object using a Charba gradient and a chart instance which must provide a canvas instance and its context.

Parameters:

chart - chart instance which must provide a canvas instance and its context

gradient - gradient instance created at configuration level

datasetIndex - dataset index

index - index of gradient related to index of dataset item of whole dataset

Returns:

a GWT canvas gradient