Révision 3730 TXM/trunk/bundles/org.txm.libs.jfreechart/about.html

about.html (revision 3730)
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JFreeChart
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==========
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Version 1.5.0, 5 November 2017.


  		





  
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Version 2.0.0, not yet released.


  		





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[![Maven Central](https://maven-badges.herokuapp.com/maven-central/org.jfree/jfreechart/badge.svg)](https://maven-badges.herokuapp.com/maven-central/org.jfree/jfreechart)


  		





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Overview


  		





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--------


  		





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JFreeChart is a comprehensive free chart library for the Java(tm) platform that 


  		





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can be used on the client-side (JavaFX and Swing) or the server side (with


  		





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export to multiple formats including SVG, PNG and PDF).


  		





  
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JFreeChart is a comprehensive free chart library for the Java™ platform that 


  		





  
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can be used on the client-side (JavaFX and Swing) or the server side, with


  		





  
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export to multiple formats including SVG, PNG and PDF.


  		





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![JFreeChart sample](http://jfree.org/jfreechart/images/coffee_prices.png)


  		





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http://www.jfree.org/jfreechart


  		





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JFreeChart requires JDK 1.6.0 or later.  If JavaFX support is required, you


  		





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need to also include the JFreeChart-FX extensions:


  		





  
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JFreeChart requires JDK 11 or later.  For Java 8 support, check the `v1.5.x` branch.


  		





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https://github.com/jfree/jfreechart-fx


  		





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The library is licensed under the terms of the GNU Lesser General Public 


  		





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License (LGPL) version 2.1 or later.


  		





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Using JFreeChart


  		





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----------------


  		





  
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JavaFX


  		





  
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------


  		





  
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JFreeChart can be used with JavaFX via the `JFreeChart-FX` extensions:


  		





  
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https://github.com/jfree/jfreechart-fx


  		





  
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Demos


  		





  
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-----


  		





  
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A small set of demo applications can be found in the following projects here


  		





  
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at GitHub:


  		





  
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* [JFree-Demos](https://github.com/jfree/jfree-demos "JFree-Demos Project Page at GitHub")


  		





  
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* [JFree-FXDemos](https://github.com/jfree/jfree-fxdemos "JFree-FXDemos Project Page at GitHub")


  		





  
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A more comprehensive set of demos, plus the JFreeChart Developer Guide, is a reward at most


  		





  
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tiers of the [JFree sponsorship](https://github.com/sponsors/jfree) program.  Thanks for supporting the JFree projects!


  		





  
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For Developers


  		





  
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--------------


  		





  
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### Using JFreeChart


  		





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To use JFreeChart in your projects, add the following dependency to your build tool:


  		





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    <dependency>


  		





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        <groupId>org.jfree</groupId>


  		





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        <artifactId>jfreechart</artifactId>


  		





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        <version>1.5.0</version>


  		





  
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        <version>1.5.3</version>


  		





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    </dependency>


  		





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Building JFreeChart


  		





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-------------------


  		





  
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### Building JFreeChart


  		





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You can build JFreeChart using Maven by issuing the following command from the root directory of the project:


  		





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    mvn clean install


  		





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The build requires JDK 1.6.0 or later.


  		





  
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The build requires JDK 11 or later.


  		





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Migration from JFreeChart 1.0.x


  		





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-------------------------------


  		





  
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### Migration


  		





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When migrating from JFreeChart 1.0.x to JFreeChart 1.5.0, please be aware of the following API changes:


  		





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* all the classes from JCommon that are used by JFreeChart have integrated within the JFreeChart jar file within a different package than before (you will need to change your imports);


  		





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Please refer to [Issue 66](https://github.com/jfree/jfreechart/issues/66) for additional info.


  		





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Demos


  		





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-----


  		





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A small set of demo applications can be found in the following projects here


  		





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at GitHub:


  		





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* [JFree-Demos](https://github.com/jfree/jfree-demos "JFree-Demos Project Page at GitHub")


  		





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* [JFree-FXDemos](https://github.com/jfree/jfree-fxdemos "JFree-FXDemos Project Page at GitHub")


  		





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History


  		





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##### Version 2.0 (not yet released)


  		





  
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- use `ThreadLocal` for calendars in time series datasets ([#171](https://github.com/jfree/jfreechart/pull/171));


  		





  
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- added `valueVisible` flag to `MeterPlot` ([#231](https://github.com/jfree/jfreechart/pull/231));


  		





  
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- modify buffer in `ChartPanel` to handle high DPI displays ([#170](https://github.com/jfree/jfreechart/issues/170));


  		





  
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- add options to control pan vs zoom in `ChartPanel` ([#172](https://github.com/jfree/jfreechart/pull/172));


  		





  
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- observe series visibility flags in `ClusteredXYBarRenderer` ([#89](https://github.com/jfree/jfreechart/pull/89));


  		





  
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- observe axis visibility flag in `PeriodAxis` ([#198](https://github.com/jfree/jfreechart/issues/198));


  		





  
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- fix for exception on extreme zoom on `NumberAxis` (bug #64);


  		





  
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- fix tick label font for `LogAxis` with number format override ([#98](https://github.com/jfree/jfreechart/issues/98));


  		





  
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- remove alpha channel from copy-to-clipboard (fixes bug #182);


  		





  
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- apply rendering hints to overlays - fixes bug #187;


  		





  
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- modify `TextTitle` to throw `IllegalArgumentException` rather than `NullPointerException` ([#205](https://github.com/jfree/jfreechart/issues/205));


  		





  
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- fix bugs on crosshair labels ([#189](https://github.com/jfree/jfreechart/pull/189), [#194](https://github.com/jfree/jfreechart/pull/194));


  		





  
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- removed `ObjectUtils` class ([#163](https://github.com/jfree/jfreechart/pull/163));


  		





  
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- removed unused `URLUtilities` class ([#162](https://github.com/jfree/jfreechart/pull/162))


  		





  
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- fixed `LayeredBarRenderer` (bugs [#169](https://github.com/jfree/jfreechart/issues/169) and [#175](https://github.com/jfree/jfreechart/issues/175));


  		





  
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- minor fix for `DefaultPieDataset` (bugs [#212](https://github.com/jfree/jfreechart/issues/212))


  		





  
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- fix `isJFreeSVGAvailable()` method (bugs [#207](https://github.com/jfree/jfreechart/issues/207))


  		





  
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- add new methods to access maps for datasets, renderers and axes in plots ([#201](https://github.com/jfree/jfreechart/issues/201));


  		





  
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- update French translations (bug #186);


  		





  
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- fix "Save_as" entries in localisation files (bug #184);


  		





  
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- add flags for visibility of outliers in `BoxAndWhiskerRenderer` ([#79](https://github.com/jfree/jfreechart/pull/79));


  		





  
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- added generics;


  		





  
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- `DefaultIntervalCategoryDataset` no longer allows null keys in constructor (this


  		





  
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  is a consequence of introducing generics);


  		





  
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- update required JDK to version 11.


  		





  
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##### Version 1.5.0 (5 November 2017)


  		





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- all JavaFX classes moved to a separate project;


  		





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- added cleaner method to create histograms in `ChartFactory`;


  		












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