DynamicReports: Setting page/paper orientation and margins

JasperReportBuilder report = DynamicReports.report();

//Setting the page/paper type and paper orientation for display (report.show())
report.setPageFormat(PageType.LETTER, PageOrientation.LANDSCAPE);
// report.setPageFormat(PageType.A4, PageOrientation.PORTRAIT);

//setting the orientation for saving to a file (report.toPdf(), report.toText(),...)
report.setPrintOrder(Orientation.VERTICAL); //landscape
//report.setPrintOrder(Orientation.HORIZONTAL); //portrait

//setting the page margins
report.setPageMargin(DynamicReports.margin().setLeft(50).setTop(80).setRight(50).setBottom(80));

StyleBuilder titleStyle = Styles.style().bold().setHorizontalAlignment(HorizontalAlignment.CENTER);
report.title(Components.text("Test Report")
                .setStyle(titleStyle));

report.columns(Columns.column("column 1", "col1", DataTypes.stringType());

report.setDataSource(<your data source>);

report.show(false);
       
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