Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/chart/AbstractChart.java @ 297:3f43392df3f6
Interface and abstract classes for chart creation implemented.
gnv-artifacts/trunk@351 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Thu, 19 Nov 2009 15:24:45 +0000 |
| parents | |
| children | 3ea030aafe65 |
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| 296:da1499a464b9 | 297:3f43392df3f6 |
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| 1 package de.intevation.gnv.chart; | |
| 2 | |
| 3 import java.util.Collection; | |
| 4 import java.util.Iterator; | |
| 5 import java.util.Date; | |
| 6 import java.util.Locale; | |
| 7 import java.awt.Transparency; | |
| 8 import java.awt.image.BufferedImage; | |
| 9 | |
| 10 import org.apache.log4j.Logger; | |
| 11 | |
| 12 import org.jfree.chart.JFreeChart; | |
| 13 import org.jfree.chart.ChartTheme; | |
| 14 import org.jfree.data.time.TimeSeriesCollection; | |
| 15 | |
| 16 /** | |
| 17 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de> | |
| 18 */ | |
| 19 public abstract class AbstractChart | |
| 20 implements Chart | |
| 21 { | |
| 22 private static Logger log = Logger.getLogger(AbstractChart.class); | |
| 23 | |
| 24 protected JFreeChart chart; | |
| 25 | |
| 26 protected Locale locale; | |
| 27 | |
| 28 protected ChartLabels labels; | |
| 29 protected ChartTheme theme; | |
| 30 protected Collection parameters; | |
| 31 protected Collection measurements; | |
| 32 protected Collection resultSet; | |
| 33 protected Collection dates; | |
| 34 | |
| 35 public abstract JFreeChart generateChart(); | |
| 36 | |
| 37 public BufferedImage exportPNG(int width, int height) { | |
| 38 log.info("export chart as png"); | |
| 39 | |
| 40 return chart.createBufferedImage( | |
| 41 width, height, Transparency.BITMASK, null); | |
| 42 } | |
| 43 | |
| 44 public void exportSVG() { | |
| 45 log.info("export chart as svg (not implemented yet)"); | |
| 46 } | |
| 47 | |
| 48 public void exportPDF() { | |
| 49 log.info("export chart as pdf (not implemented yet)"); | |
| 50 } | |
| 51 } | |
| 52 // vim:set ts=4 sw=4 si et sta sts=4 fenc=latin1 : |