Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/chart/AbstractChart.java @ 318:5f2820e821e0
Implemented a helper class for exporting charts. Adapted code.
gnv-artifacts/trunk@376 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Thu, 26 Nov 2009 16:10:47 +0000 |
| parents | 45625b5cd6d4 |
| children | 22a6493e8460 |
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| 317:342cd58291f1 | 318:5f2820e821e0 |
|---|---|
| 1 package de.intevation.gnv.chart; | 1 package de.intevation.gnv.chart; |
| 2 | 2 |
| 3 import java.util.Collection; | 3 import java.util.Collection; |
| 4 import java.util.Locale; | 4 import java.util.Locale; |
| 5 import java.awt.Transparency; | |
| 6 import java.awt.image.BufferedImage; | |
| 7 | |
| 8 import org.apache.log4j.Logger; | |
| 9 | 5 |
| 10 import org.jfree.chart.JFreeChart; | 6 import org.jfree.chart.JFreeChart; |
| 11 import org.jfree.chart.ChartTheme; | 7 import org.jfree.chart.ChartTheme; |
| 12 | 8 |
| 13 /** | 9 /** |
| 14 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de> | 10 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de> |
| 15 */ | 11 */ |
| 16 public abstract class AbstractChart | 12 public abstract class AbstractChart |
| 17 implements Chart | 13 implements Chart |
| 18 { | 14 { |
| 19 private static Logger log = Logger.getLogger(AbstractChart.class); | |
| 20 | |
| 21 protected JFreeChart chart; | 15 protected JFreeChart chart; |
| 22 | 16 |
| 23 protected Locale locale; | 17 protected Locale locale; |
| 24 | 18 |
| 25 protected ChartLabels labels; | 19 protected ChartLabels labels; |
| 29 protected Collection resultSet; | 23 protected Collection resultSet; |
| 30 protected Collection dates; | 24 protected Collection dates; |
| 31 protected Collection timeGaps; | 25 protected Collection timeGaps; |
| 32 | 26 |
| 33 public abstract JFreeChart generateChart(); | 27 public abstract JFreeChart generateChart(); |
| 34 | |
| 35 public BufferedImage exportImage(int width, int height) { | |
| 36 log.info("export chart as png"); | |
| 37 | |
| 38 return chart.createBufferedImage( | |
| 39 width, height, Transparency.BITMASK, null); | |
| 40 } | |
| 41 | |
| 42 public void exportSVG() { | |
| 43 log.info("export chart as svg (not implemented yet)"); | |
| 44 } | |
| 45 | |
| 46 public void exportPDF() { | |
| 47 log.info("export chart as pdf (not implemented yet)"); | |
| 48 } | |
| 49 } | 28 } |
| 50 // vim:set ts=4 sw=4 si et sta sts=4 fenc=latin1 : | 29 // vim:set ts=4 sw=4 si et sta sts=4 fenc=latin1 : |