Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/exports/ChartExportHelper.java @ 794:d0967fdee36f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Repaired JavaDoc in Export package. gnv-artifacts/trunk@876 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 31 Mar 2010 12:18:03 +0000
parents 9a828e5a2390
children 22c18083225e
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
623
65f09139e9b3 Fixed file handle leak when writing meta data.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 617
diff changeset
12 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
13
65f09139e9b3 Fixed file handle leak when writing meta data.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 617
diff changeset
14 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
15
320
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
16 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
17 import java.awt.Transparency;
65f09139e9b3 Fixed file handle leak when writing meta data.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 617
diff changeset
18
65f09139e9b3 Fixed file handle leak when writing meta data.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 617
diff changeset
19 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
20
320
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
21 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
22
617
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 323
diff changeset
23 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
24
65f09139e9b3 Fixed file handle leak when writing meta data.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 617
diff changeset
25 import java.io.IOException;
318
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
26 import java.io.OutputStream;
321
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
27 import java.io.OutputStreamWriter;
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
28 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
29
318
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
30 import javax.imageio.ImageIO;
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
31
321
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
32 import org.apache.batik.svggen.SVGGraphics2D;
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
33 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
34
318
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
35 import org.apache.log4j.Logger;
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
36
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
37 import org.jfree.chart.JFreeChart;
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 /**
771
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
40 * 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
41 * into specific formats.
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
42 *
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
43 * @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
44 */
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
45 public class ChartExportHelper {
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
46
771
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
47 /**
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
48 * 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
49 */
320
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
50 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
51
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
52 /**
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
53 * 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
54 */
321
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
55 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
56
771
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
57 /**
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
58 * 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
59 */
318
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
60 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
61
771
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
62
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
63 /**
778
9a828e5a2390 Removed trailing whitespace
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 771
diff changeset
64 * 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
65 * <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
66 *
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
67 * @param out OutputStream
794
d0967fdee36f Repaired JavaDoc in Export package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 778
diff changeset
68 * @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
69 * @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
70 * @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
71 * @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
72 *
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
73 * @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
74 */
318
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
75 public static void exportImage(
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
76 OutputStream out,
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
77 JFreeChart chart,
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
78 String format,
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
79 int width,
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
80 int height
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
81 )
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
82 throws IOException
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 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
85
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
86 ImageIO.write(
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
87 chart.createBufferedImage(
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
88 width, height, Transparency.BITMASK, null
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
89 ),
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
90 format,
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
91 out
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
92 );
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
93 }
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
94
320
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
95
771
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
96 /**
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
97 * 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
98 * <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
99 *
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
100 * @param out OutputStream
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
101 * @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
102 * @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
103 * @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
104 * @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
105 *
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
106 * @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
107 */
617
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 323
diff changeset
108 public static void exportHistograms(
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 323
diff changeset
109 OutputStream out,
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 323
diff changeset
110 Chart[] histograms,
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 323
diff changeset
111 String format,
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 323
diff changeset
112 int width,
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 323
diff changeset
113 int height)
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 323
diff changeset
114 throws IOException
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 323
diff changeset
115 {
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 323
diff changeset
116 log.info("export histograms");
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 int size = histograms.length;
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 323
diff changeset
119 BufferedImage image = new BufferedImage(
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 323
diff changeset
120 width, height*size, BufferedImage.TYPE_INT_RGB);
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 323
diff changeset
121 Graphics2D g = image.createGraphics();
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 323
diff changeset
122
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 323
diff changeset
123 for (int i = 0; i < size; i++) {
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 323
diff changeset
124 JFreeChart chart = histograms[i].generateChart();
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 323
diff changeset
125 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
126 }
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 323
diff changeset
127 g.finalize();
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 ImageIO.write(image, format, out);
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
3d13fa281a7e Added new ouput mode: histogram.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 323
diff changeset
132
771
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
133 /**
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
134 * 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
135 * <code>OutputStream</code>.
778
9a828e5a2390 Removed trailing whitespace
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 771
diff changeset
136 *
771
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
137 * @param out OutputStream
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
138 * @param histograms Array of {@link de.intevation.gnv.chart.Chart}
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
139 * @param encoding Encoding, defaults to {@link DEFAULT_ENCODING} if null
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
140 * @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
141 * @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
142 */
639
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
143 public static void exportHistogramsAsSVG(
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
144 OutputStream out,
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
145 Chart[] histograms,
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
146 String encoding,
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
147 int width,
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
148 int height
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
149 ) {
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
150 log.info("export histograms as svg");
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 if (encoding == null)
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
153 encoding = DEFAULT_ENCODING;
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
154
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
155 org.w3c.dom.Document document = XMLUtils.newDocument();
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
156 SVGGraphics2D graphics = new SVGGraphics2D(document);
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
157
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
158 int size = histograms.length;
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
159 for (int i = 0; i < size; i++) {
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
160 JFreeChart chart = histograms[i].generateChart();
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
161 chart.draw(graphics, new Rectangle2D.Double(
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
162 0.0D, i*height,width,height));
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
163 }
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
164 graphics.finalize();
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 try {
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
167 graphics.stream(new OutputStreamWriter(out, encoding));
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
168 }
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
169 catch (SVGGraphics2DIOException svge) {
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
170 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
171 }
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
172 catch (UnsupportedEncodingException uee) {
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
173 log.error("Unsupported encoding: " + encoding, uee);
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
174 }
a94ed2755480 Implemented SVG export for histograms.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 623
diff changeset
175 }
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
771
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
178 /**
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
179 * 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
180 * <code>OutputStream</code>.
778
9a828e5a2390 Removed trailing whitespace
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 771
diff changeset
181 *
771
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
182 * @param out OutputStream
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
183 * @param chart JFreeChart to be exported
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
184 * @param encoding Encoding, defaults to {@link DEFAULT_ENCODING} if null
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
185 * @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
186 * @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
187 */
321
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
188 public static void exportSVG(
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
189 OutputStream out,
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
190 JFreeChart chart,
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
191 String encoding,
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
192 int width,
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
193 int height
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
194 ) {
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
195 log.info("export chart as svg");
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 if (encoding == null)
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
198 encoding = DEFAULT_ENCODING;
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
199
323
a88e15972c72 Updated Batik library to 1.7
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 321
diff changeset
200 org.w3c.dom.Document document = XMLUtils.newDocument();
321
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
201 SVGGraphics2D graphics = new SVGGraphics2D(document);
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
202
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
203 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
204
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
205 try {
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
206 graphics.stream(new OutputStreamWriter(out, encoding));
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
207 }
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
208 catch (SVGGraphics2DIOException svge) {
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
209 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
210 }
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
211 catch (UnsupportedEncodingException uee) {
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
212 log.error("Unsupported encoding: " + encoding, uee);
a4376fd23f99 Implemented svg export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 320
diff changeset
213 }
318
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
214 }
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
215
320
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
216
771
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
217 /**
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
218 * 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
219 * <code>OutputStream</code>.
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
220 *
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
221 * @param out OutputStream
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
222 * @param chart JFreeChart
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
223 * @param pageFormat String to specify a page format, {@link
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
224 * DEFAULT_PAGE_SIZE} is used if no pageFormat is given
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
225 * @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
226 * format
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
227 * @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
228 * @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
229 * @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
230 * @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
231 */
320
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
232 public static void exportPDF(
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
233 OutputStream out,
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
234 JFreeChart chart,
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
235 String pageFormat,
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
236 boolean landscape,
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
237 float marginLeft,
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
238 float marginRight,
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
239 float marginTop,
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
240 float marginBottom
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
241 ) {
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
242 log.info("export chart as pdf.");
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
243
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
244 if (pageFormat == null)
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
245 pageFormat = DEFAULT_PAGE_SIZE;
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 Rectangle page = PageSize.getRectangle(pageFormat);
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
248 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
249 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
250
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
251 Document document = null;
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
252 if (landscape) {
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
253 document = new Document(page.rotate());
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
254 log.debug("Create landscape pdf.");
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
255 }
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
256 else
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
257 document = new Document(page);
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
258
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
259 try {
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
260 PdfWriter writer = PdfWriter.getInstance(document, out);
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
261
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
262 document.addSubject(chart.getTitle().getText());
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
263 document.addCreationDate();
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
264 document.open();
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
265
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
266 PdfContentByte content = writer.getDirectContent();
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
267
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
268 int width = 0;
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
269 int height = 0;
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
270 if (landscape) {
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
271 width = pageHeight;
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
272 height = pageWidth;
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
273 }
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
274 else {
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
275 width = pageWidth;
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
276 height = pageHeight;
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
277 }
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
278
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
279 PdfTemplate template = content.createTemplate(width, height);
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
280 Graphics2D graphics = template.createGraphics(width, height);
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
281 Rectangle2D area = new Rectangle2D.Double(0.0D, 0.0D,width,height);
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
282
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
283 chart.draw(graphics, area);
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
284 graphics.dispose();
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
285 content.addTemplate(template, marginLeft, marginBottom);
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
286 }
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
287 catch (DocumentException de) {
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
288 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
289 }
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
290 finally {
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
291 document.close();
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
292 }
318
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
293 }
640
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
294
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
295
771
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
296 /**
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
297 * 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
298 * <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
299 * 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
300 *
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
301 * @param out OutputStream
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
302 * @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
303 * @param pageFormat String to specify a page format, {@link
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
304 * DEFAULT_PAGE_SIZE} is used if no pageFormat is given
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
305 * @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
306 * format
a0e63136954e Added and repaired javadoc in de.intevation.gnv.exports package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 640
diff changeset
307 * @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
308 * @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
309 * @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
310 * @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
311 */
640
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
312 public static void exportHistogramsAsPDF(
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
313 OutputStream out,
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
314 Chart[] histograms,
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
315 String pageFormat,
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
316 boolean landscape,
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
317 float marginLeft,
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
318 float marginRight,
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
319 float marginTop,
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
320 float marginBottom
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
321 ) {
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
322 log.info("export histogram as pdf.");
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
323
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
324 if (pageFormat == null)
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
325 pageFormat = DEFAULT_PAGE_SIZE;
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
326
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
327 Rectangle page = PageSize.getRectangle(pageFormat);
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
328 int pageWidth =
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
329 (int) (page.getRight(marginRight) - page.getLeft(marginLeft));
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
330 int pageHeight =
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
331 (int) (page.getTop(marginTop) - page.getBottom(marginBottom));
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
332
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
333 Document document = null;
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
334 if (landscape) {
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
335 document = new Document(page.rotate());
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
336 log.debug("Create landscape pdf.");
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
337 }
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
338 else
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
339 document = new Document(page);
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
340
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
341 try {
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
342 PdfWriter writer = PdfWriter.getInstance(document, out);
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
343
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
344 document.addCreationDate();
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
345 document.open();
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 PdfContentByte content = writer.getDirectContent();
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 int width = 0;
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
350 int height = 0;
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
351 if (landscape) {
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
352 width = pageHeight;
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
353 height = pageWidth;
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
354 }
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
355 else {
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
356 width = pageWidth;
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
357 height = pageHeight;
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
358 }
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
359
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
360 int size = histograms.length;
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
361 for (int i = 0; i < size; i++) {
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
362 if (i > 0) {
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
363 document.newPage();
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
364 }
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 JFreeChart chart = histograms[i].generateChart();
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
367 PdfTemplate template = content.createTemplate(width, height);
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
368 Graphics2D graphics = template.createGraphics(width, height);
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
369 Rectangle2D area = new Rectangle2D.Double(
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
370 0.0D, 0.0D,width,height);
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 chart.draw(graphics, area);
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
373 graphics.dispose();
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
374 content.addTemplate(template, marginLeft, marginBottom);
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
375 }
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
376 }
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
377 catch (DocumentException de) {
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
378 log.error("Error while exporting chart to pdf.", de);
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 finally {
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
381 document.close();
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
382 }
e5f1e868ee3e Implementedr histogram pdf export.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 639
diff changeset
383 }
318
5f2820e821e0 Implemented a helper class for exporting charts. Adapted code.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
384 }
320
18302372703f Implemented pdf export of charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 318
diff changeset
385 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org