Examples of net.sf.jasperreports.engine.export.JRTextExporter

Package net.sf.jasperreports.engine.export

Examples of net.sf.jasperreports.engine.export.JRTextExporter

net.sf.jasperreports.engine.export.JRTextExporter
Exports filled reports in plain text format. The text exporter allows users to define a custom character resolution (the number of columns and rows in text format). Since the character resolution is mapped on the actual pixel resolution, every character corresponds to a rectangle of pixels. If a certain text element has a smaller size in pixels (width, height, or both) than the number of pixels that map to a character, the text element will not be rendered. Because of this, users must take some precautions when creating reports for text export. First, they must make sure the page size in characters is large enough to render the report, because if the report pages contain too much text, some of it may be rendered only partially. On the other hand, if the character resolution is too small compared to the pixel resolution (say, a height of 20 characters for a page 800 pixels tall) all texts with sizes smaller than the one needed to map to a character, will not be displayed (in the previous example, a text element needs to be at least 800/20 = 40 pixels tall in order to be rendered).
As a conclusion, the text exporter will yield the better results if the space needed for displaying a text is large. So users have to either design reports with few text or export to big text pages. Another good practice is to arrange text elements at design time as similar as possible to a grid. @see JRExporterParameter @author Ionut Nedelcu (ionutned@users.sourceforge.net) @version $Id: JRTextExporter.java 3678 2010-04-02 12:13:06Z shertage $

          exporterPDF.setParameter(JRPdfExporterParameter.IGNORE_PAGE_MARGINS, Boolean.TRUE);
          exporterPDF.exportReport();
          break;
        case TXT:
          logger.debug(bundle.getString("exporting-report", "txt"));
          JRTextExporter exporterTXT = new JRTextExporter();
          exporterTXT.setParameter(JRTextExporterParameter.JASPER_PRINT, print);
          exporterTXT.setParameter(JRTextExporterParameter.OUTPUT_STREAM, outputStream);
          exporterTXT.setParameter(JRTextExporterParameter.CHARACTER_WIDTH, new Float(30));
          exporterTXT.setParameter(JRTextExporterParameter.CHARACTER_HEIGHT, new Float(30));
          exporterTXT.exportReport();
          break;
        case RTF:
          logger.debug(bundle.getString("exporting-report", "rtf"));
          JRRtfExporter exporterRTF = new JRRtfExporter();
          exporterRTF.setParameter(JRExporterParameter.JASPER_PRINT, print);

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          exporterPDF.setParameter(JRPdfExporterParameter.IGNORE_PAGE_MARGINS, Boolean.TRUE);
          exporterPDF.exportReport();
          break;
        case TXT:
          logger.debug(bundle.getString("exporting-report", "txt"));
          JRTextExporter exporterTXT = new JRTextExporter();
          exporterTXT.setParameter(JRTextExporterParameter.JASPER_PRINT, print);
          exporterTXT.setParameter(JRTextExporterParameter.OUTPUT_STREAM, outputStream);
          exporterTXT.setParameter(JRTextExporterParameter.CHARACTER_WIDTH, new Float(30));
          exporterTXT.setParameter(JRTextExporterParameter.CHARACTER_HEIGHT, new Float(30));
          exporterTXT.exportReport();
          break;
        case RTF:
          logger.debug(bundle.getString("exporting-report", "rtf"));
          JRRtfExporter exporterRTF = new JRRtfExporter();
          exporterRTF.setParameter(JRExporterParameter.JASPER_PRINT, print);

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