ingo@318: package de.intevation.gnv.exports;
ingo@318: 
ingo@318: import java.awt.Transparency;
ingo@318: import java.awt.image.BufferedImage;
ingo@318: import java.io.OutputStream;
ingo@318: import java.io.IOException;
ingo@318: import javax.imageio.ImageIO;
ingo@318: 
ingo@318: import org.apache.log4j.Logger;
ingo@318: 
ingo@318: import org.jfree.chart.JFreeChart;
ingo@318: 
ingo@318: /**
ingo@318:  * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
ingo@318:  */
ingo@318: public class ChartExportHelper {
ingo@318: 
ingo@318:     private static final String DEFAULT_PAGE_SIZE = "A4";
ingo@318: 
ingo@318:     private static Logger log = Logger.getLogger(ChartExportHelper.class);
ingo@318: 
ingo@318:     public static void exportImage(
ingo@318:         OutputStream out,
ingo@318:         JFreeChart chart,
ingo@318:         String format,
ingo@318:         int width,
ingo@318:         int height
ingo@318:     )
ingo@318:     throws IOException
ingo@318:     {
ingo@318:         log.info("export chart as png");
ingo@318: 
ingo@318:         ImageIO.write(
ingo@318:             chart.createBufferedImage(
ingo@318:                 width, height, Transparency.BITMASK, null
ingo@318:             ),
ingo@318:             format,
ingo@318:             out
ingo@318:         );
ingo@318:     }
ingo@318: 
ingo@318:     public static void exportSVG() {
ingo@318:         log.info("export chart as svg (not implemented yet)");
ingo@318:     }
ingo@318: 
ingo@318:     public static void exportPDF() {
ingo@318:         log.info("export chart as pdf (not implemented yet)");
ingo@318:     }
ingo@318: }