dive4elements/gnv-client: gnv-artifacts/src/main/java/de/intevation/gnv/exports/ChartExportHelper.java annotate

annotate gnv-artifacts/src/main/java/de/intevation/gnv/exports/ChartExportHelper.java @ 1050:7f3154331bc1

Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). gnv-artifacts/trunk@1124 c6561f87-3c4e-4783-a992-168aeb5c3f6f

author	Ingo Weinzierl <ingo.weinzierl@intevation.de>
date	Tue, 25 May 2010 15:41:31 +0000
parents	22c18083225e
children	b30361464775

rev	line source
318 5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	1 package de.intevation.gnv.exports;
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	2
320 18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	3 import com.lowagie.text.Document;
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	4 import com.lowagie.text.DocumentException;
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	5 import com.lowagie.text.PageSize;
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	6 import com.lowagie.text.Rectangle;
623 65f09139e9b3 Fixed file handle leak when writing meta data. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 617 diff changeset	7
320 18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	8 import com.lowagie.text.pdf.PdfContentByte;
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	9 import com.lowagie.text.pdf.PdfTemplate;
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	10 import com.lowagie.text.pdf.PdfWriter;
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	11
1050 7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	12 import de.intevation.artifacts.CallContext;
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	13
623 65f09139e9b3 Fixed file handle leak when writing meta data. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 617 diff changeset	14 import de.intevation.artifactdatabase.XMLUtils;
65f09139e9b3 Fixed file handle leak when writing meta data. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 617 diff changeset	15
65f09139e9b3 Fixed file handle leak when writing meta data. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 617 diff changeset	16 import de.intevation.gnv.chart.Chart;
65f09139e9b3 Fixed file handle leak when writing meta data. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 617 diff changeset	17
320 18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	18 import java.awt.Graphics2D;
623 65f09139e9b3 Fixed file handle leak when writing meta data. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 617 diff changeset	19 import java.awt.Transparency;
65f09139e9b3 Fixed file handle leak when writing meta data. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 617 diff changeset	20
65f09139e9b3 Fixed file handle leak when writing meta data. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 617 diff changeset	21 import java.awt.geom.Rectangle2D.Double;
65f09139e9b3 Fixed file handle leak when writing meta data. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 617 diff changeset	22
320 18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	23 import java.awt.geom.Rectangle2D;
623 65f09139e9b3 Fixed file handle leak when writing meta data. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 617 diff changeset	24
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	25 import java.awt.image.BufferedImage;
623 65f09139e9b3 Fixed file handle leak when writing meta data. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 617 diff changeset	26
65f09139e9b3 Fixed file handle leak when writing meta data. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 617 diff changeset	27 import java.io.IOException;
318 5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	28 import java.io.OutputStream;
321 a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	29 import java.io.OutputStreamWriter;
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	30 import java.io.UnsupportedEncodingException;
623 65f09139e9b3 Fixed file handle leak when writing meta data. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 617 diff changeset	31
318 5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	32 import javax.imageio.ImageIO;
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	33
321 a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	34 import org.apache.batik.svggen.SVGGraphics2D;
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	35 import org.apache.batik.svggen.SVGGraphics2DIOException;
623 65f09139e9b3 Fixed file handle leak when writing meta data. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 617 diff changeset	36
318 5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	37 import org.apache.log4j.Logger;
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	38
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	39 import org.jfree.chart.JFreeChart;
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	40
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	41 /**
771 a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	42 * This class is a helper class which supports some methods to export charts
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	43 * into specific formats.
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	44 *
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	45 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
318 5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	46 */
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	47 public class ChartExportHelper {
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	48
771 a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	49 /**
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	50 * Constant field to define A4 as default page size.
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	51 */
320 18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	52 private static final String DEFAULT_PAGE_SIZE = "A4";
771 a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	53
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	54 /**
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	55 * Constant field to define UTF-8 as default encoding.
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	56 */
321 a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	57 private static final String DEFAULT_ENCODING = "UTF-8";
318 5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	58
771 a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	59 /**
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	60 * Logger used for logging with log4j.
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	61 */
318 5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	62 private static Logger log = Logger.getLogger(ChartExportHelper.class);
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	63
771 a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	64
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	65 /**
778 9a828e5a2390 Removed trailing whitespace Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 771 diff changeset	66 * A method to export a <code>JFreeChart</code> as image to an
771 a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	67 * <code>OutputStream</code> with a given format, width and height.
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	68 *
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	69 * @param out OutputStream
794 d0967fdee36f Repaired JavaDoc in Export package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 778 diff changeset	70 * @param chart JFreeChart object to be exported.
771 a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	71 * @param format Format (e.g. png, gif, jpg)
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	72 * @param width Width, the image used to be
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	73 * @param height Height, the image used to be
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	74 *
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	75 * @throws IOException if writing image to OutputStream failed.
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	76 */
318 5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	77 public static void exportImage(
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	78 OutputStream out,
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	79 JFreeChart chart,
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	80 String format,
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	81 int width,
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	82 int height
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	83 )
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	84 throws IOException
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	85 {
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	86 log.info("export chart as png");
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	87
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	88 ImageIO.write(
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	89 chart.createBufferedImage(
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	90 width, height, Transparency.BITMASK, null
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	91 ),
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	92 format,
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	93 out
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	94 );
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	95 }
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	96
320 18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	97
771 a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	98 /**
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	99 * A method to export a <code>JFreeChart</code> histogram as image to an
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	100 * <code>OutputStream</code> with a given format, width and height.
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	101 *
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	102 * @param out OutputStream
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	103 * @param histograms Array of {@link de.intevation.gnv.chart.Chart} objects
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	104 * @param format A format (e.g. png, gif, jpg)
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	105 * @param width Width the image used to be
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	106 * @param height Height the image used to be
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	107 *
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	108 * @throws IOException if writing image to OutputStream failed.
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	109 */
617 3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	110 public static void exportHistograms(
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	111 OutputStream out,
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	112 Chart[] histograms,
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	113 String format,
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	114 int width,
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	115 int height)
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	116 throws IOException
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	117 {
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	118 log.info("export histograms");
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	119
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	120 int size = histograms.length;
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	121 BufferedImage image = new BufferedImage(
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	122 width, height*size, BufferedImage.TYPE_INT_RGB);
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	123 Graphics2D g = image.createGraphics();
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	124
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	125 for (int i = 0; i < size; i++) {
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	126 JFreeChart chart = histograms[i].generateChart();
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	127 chart.draw(g, new Rectangle2D.Double(0.0D, i*height, width, height));
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	128 }
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	129 g.finalize();
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	130
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	131 ImageIO.write(image, format, out);
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	132 }
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	133
3d13fa281a7e Added new ouput mode: histogram. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 323 diff changeset	134
771 a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	135 /**
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	136 * A method to export a <code>JFreeChart</code> histogram as SVG to an
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	137 * <code>OutputStream</code>.
778 9a828e5a2390 Removed trailing whitespace Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 771 diff changeset	138 *
771 a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	139 * @param out OutputStream
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	140 * @param histograms Array of {@link de.intevation.gnv.chart.Chart}
815 22c18083225e Removed compiler warnings while JavaDoc generation. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 794 diff changeset	141 * @param encoding Encoding, defaults to {@link #DEFAULT_ENCODING} if null
771 a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	142 * @param width Width the svg used to be
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	143 * @param height Height the svg used to be
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	144 */
639 a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	145 public static void exportHistogramsAsSVG(
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	146 OutputStream out,
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	147 Chart[] histograms,
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	148 String encoding,
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	149 int width,
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	150 int height
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	151 ) {
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	152 log.info("export histograms as svg");
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	153
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	154 if (encoding == null)
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	155 encoding = DEFAULT_ENCODING;
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	156
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	157 org.w3c.dom.Document document = XMLUtils.newDocument();
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	158 SVGGraphics2D graphics = new SVGGraphics2D(document);
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	159
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	160 int size = histograms.length;
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	161 for (int i = 0; i < size; i++) {
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	162 JFreeChart chart = histograms[i].generateChart();
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	163 chart.draw(graphics, new Rectangle2D.Double(
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	164 0.0D, i*height,width,height));
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	165 }
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	166 graphics.finalize();
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	167
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	168 try {
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	169 graphics.stream(new OutputStreamWriter(out, encoding));
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	170 }
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	171 catch (SVGGraphics2DIOException svge) {
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	172 log.error("Error while writing svg export to output stream.", svge);
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	173 }
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	174 catch (UnsupportedEncodingException uee) {
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	175 log.error("Unsupported encoding: " + encoding, uee);
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	176 }
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	177 }
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	178
a94ed2755480 Implemented SVG export for histograms. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 623 diff changeset	179
771 a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	180 /**
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	181 * A method to export a <code>JFreeChart</code> as SVG to an
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	182 * <code>OutputStream</code>.
778 9a828e5a2390 Removed trailing whitespace Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 771 diff changeset	183 *
771 a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	184 * @param out OutputStream
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	185 * @param chart JFreeChart to be exported
815 22c18083225e Removed compiler warnings while JavaDoc generation. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 794 diff changeset	186 * @param encoding Encoding, defaults to {@link #DEFAULT_ENCODING} if null
771 a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	187 * @param width Width the svg used to be
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	188 * @param height Height the svg used to be
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	189 */
321 a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	190 public static void exportSVG(
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	191 OutputStream out,
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	192 JFreeChart chart,
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	193 String encoding,
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	194 int width,
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	195 int height
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	196 ) {
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	197 log.info("export chart as svg");
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	198
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	199 if (encoding == null)
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	200 encoding = DEFAULT_ENCODING;
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	201
323 a88e15972c72 Updated Batik library to 1.7 Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 321 diff changeset	202 org.w3c.dom.Document document = XMLUtils.newDocument();
321 a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	203 SVGGraphics2D graphics = new SVGGraphics2D(document);
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	204
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	205 chart.draw(graphics, new Rectangle2D.Double(0.0D, 0.0D,width,height));
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	206
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	207 try {
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	208 graphics.stream(new OutputStreamWriter(out, encoding));
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	209 }
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	210 catch (SVGGraphics2DIOException svge) {
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	211 log.error("Error while writing svg export to output stream.", svge);
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	212 }
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	213 catch (UnsupportedEncodingException uee) {
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	214 log.error("Unsupported encoding: " + encoding, uee);
a4376fd23f99 Implemented svg export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 320 diff changeset	215 }
318 5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	216 }
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	217
320 18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	218
771 a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	219 /**
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	220 * A method to export a <code>JFreeChart</code> as PDF to an
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	221 * <code>OutputStream</code>.
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	222 *
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	223 * @param out OutputStream
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	224 * @param chart JFreeChart
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	225 * @param pageFormat String to specify a page format, {@link
815 22c18083225e Removed compiler warnings while JavaDoc generation. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 794 diff changeset	226 * #DEFAULT_PAGE_SIZE} is used if no pageFormat is given
771 a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	227 * @param landscape If this is true, the pdf is delivered in landscape
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	228 * format
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	229 * @param marginLeft Space to left border
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	230 * @param marginRight Space to right border
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	231 * @param marginTop Space to upper border
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	232 * @param marginBottom Space to lower border
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	233 */
320 18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	234 public static void exportPDF(
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	235 OutputStream out,
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	236 JFreeChart chart,
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	237 String pageFormat,
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	238 boolean landscape,
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	239 float marginLeft,
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	240 float marginRight,
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	241 float marginTop,
1050 7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	242 float marginBottom,
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	243 CallContext context
320 18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	244 ) {
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	245 log.info("export chart as pdf.");
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	246
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	247 if (pageFormat == null)
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	248 pageFormat = DEFAULT_PAGE_SIZE;
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	249
1050 7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	250 // max size of the chart
320 18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	251 Rectangle page = PageSize.getRectangle(pageFormat);
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	252 int pageWidth = (int) (page.getRight(marginRight) - page.getLeft(marginLeft));
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	253 int pageHeight = (int) (page.getTop(marginTop) - page.getBottom(marginBottom));
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	254
1050 7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	255 // the chart width
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	256 int chartWidth = (Integer) context.getContextValue("chart.width");
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	257 int chartHeight = (Integer) context.getContextValue("chart.height");
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	258
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	259 int width = 0;
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	260 int height = 0;
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	261 if (landscape) {
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	262 width = pageHeight;
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	263 height = pageWidth;
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	264 }
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	265 else {
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	266 width = pageWidth;
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	267 height = pageHeight;
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	268 }
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	269
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	270 if (chartWidth > width) {
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	271 log.warn("Width of the chart is too big for pdf -> resize it now.");
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	272 double ratio = ((double)width) / chartWidth;
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	273 chartWidth *= ratio;
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	274 chartHeight *= ratio;
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	275 log.debug("Resized chart to " + chartWidth + "x" + chartHeight);
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	276 }
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	277
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	278 if (chartHeight > height) {
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	279 log.warn("Height of the chart is too big for pdf -> resize it now.");
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	280 double ratio = ((double)height) / chartHeight;
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	281 chartWidth *= ratio;
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	282 chartHeight *= ratio;
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	283 log.debug("Resized chart to " + chartWidth + "x" + chartHeight);
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	284 }
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	285
320 18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	286 Document document = null;
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	287 if (landscape) {
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	288 document = new Document(page.rotate());
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	289 log.debug("Create landscape pdf.");
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	290 }
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	291 else
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	292 document = new Document(page);
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	293
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	294 try {
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	295 PdfWriter writer = PdfWriter.getInstance(document, out);
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	296
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	297 document.addSubject(chart.getTitle().getText());
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	298 document.addCreationDate();
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	299 document.open();
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	300
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	301 PdfContentByte content = writer.getDirectContent();
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	302
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	303 PdfTemplate template = content.createTemplate(width, height);
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	304 Graphics2D graphics = template.createGraphics(width, height);
1050 7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	305 Rectangle2D area = new Rectangle2D.Double(
7f3154331bc1 Use the chart size/height to export it to pdf. The chart's aspect ratio keeps alive if the size exceeds the maximum page size (issue290). Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 815 diff changeset	306 0.0D, 0.0D, chartWidth, chartHeight);
320 18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	307
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	308 chart.draw(graphics, area);
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	309 graphics.dispose();
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	310 content.addTemplate(template, marginLeft, marginBottom);
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	311 }
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	312 catch (DocumentException de) {
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	313 log.error("Error while exporting chart to pdf.", de);
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	314 }
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	315 finally {
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	316 document.close();
18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	317 }
318 5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	318 }
640 e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	319
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	320
771 a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	321 /**
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	322 * A method to export <code>JFreeChart</code> histograms as PDF to an
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	323 * <code>OutputStream</code>. Each histogram contained in histograms is
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	324 * drawn to an own page in the resulting pdf.
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	325 *
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	326 * @param out OutputStream
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	327 * @param histograms JFreeChart histograms
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	328 * @param pageFormat String to specify a page format, {@link
815 22c18083225e Removed compiler warnings while JavaDoc generation. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 794 diff changeset	329 * #DEFAULT_PAGE_SIZE} is used if no pageFormat is given
771 a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	330 * @param landscape If this is true, the pdf is delivered in landscape
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	331 * format
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	332 * @param marginLeft Space to left border
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	333 * @param marginRight Space to right border
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	334 * @param marginTop Space to upper border
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	335 * @param marginBottom Space to lower border
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 640 diff changeset	336 */
640 e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	337 public static void exportHistogramsAsPDF(
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	338 OutputStream out,
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	339 Chart[] histograms,
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	340 String pageFormat,
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	341 boolean landscape,
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	342 float marginLeft,
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	343 float marginRight,
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	344 float marginTop,
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	345 float marginBottom
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	346 ) {
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	347 log.info("export histogram as pdf.");
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	348
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	349 if (pageFormat == null)
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	350 pageFormat = DEFAULT_PAGE_SIZE;
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	351
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	352 Rectangle page = PageSize.getRectangle(pageFormat);
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	353 int pageWidth =
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	354 (int) (page.getRight(marginRight) - page.getLeft(marginLeft));
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	355 int pageHeight =
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	356 (int) (page.getTop(marginTop) - page.getBottom(marginBottom));
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	357
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	358 Document document = null;
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	359 if (landscape) {
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	360 document = new Document(page.rotate());
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	361 log.debug("Create landscape pdf.");
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	362 }
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	363 else
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	364 document = new Document(page);
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	365
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	366 try {
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	367 PdfWriter writer = PdfWriter.getInstance(document, out);
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	368
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	369 document.addCreationDate();
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	370 document.open();
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	371
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	372 PdfContentByte content = writer.getDirectContent();
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	373
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	374 int width = 0;
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	375 int height = 0;
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	376 if (landscape) {
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	377 width = pageHeight;
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	378 height = pageWidth;
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	379 }
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	380 else {
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	381 width = pageWidth;
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	382 height = pageHeight;
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	383 }
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	384
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	385 int size = histograms.length;
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	386 for (int i = 0; i < size; i++) {
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	387 if (i > 0) {
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	388 document.newPage();
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	389 }
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	390
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	391 JFreeChart chart = histograms[i].generateChart();
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	392 PdfTemplate template = content.createTemplate(width, height);
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	393 Graphics2D graphics = template.createGraphics(width, height);
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	394 Rectangle2D area = new Rectangle2D.Double(
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	395 0.0D, 0.0D,width,height);
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	396
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	397 chart.draw(graphics, area);
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	398 graphics.dispose();
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	399 content.addTemplate(template, marginLeft, marginBottom);
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	400 }
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	401 }
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	402 catch (DocumentException de) {
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	403 log.error("Error while exporting chart to pdf.", de);
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	404 }
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	405 finally {
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	406 document.close();
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	407 }
e5f1e868ee3e Implementedr histogram pdf export. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 639 diff changeset	408 }
318 5f2820e821e0 Implemented a helper class for exporting charts. Adapted code. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: diff changeset	409 }
320 18302372703f Implemented pdf export of charts. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 318 diff changeset	410 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :

Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/exports/ChartExportHelper.java @ 1050:7f3154331bc1