Class PrintUtils


  • public class PrintUtils
    extends java.lang.Object
    Helper class for computations regarding printing of GanttCharts.
    • Constructor Summary

      Constructors 
      Constructor Description
      PrintUtils()  
    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static org.eclipse.swt.graphics.Rectangle computePrintArea​(org.eclipse.swt.printing.Printer printer)
      Computes the print area, including margins
      static org.eclipse.swt.graphics.Point computeScaleFactor​(org.eclipse.swt.printing.Printer printer)  
      static org.eclipse.swt.graphics.Point getPageCount​(org.eclipse.swt.printing.Printer printer, org.eclipse.swt.graphics.Image image)
      Calculate number of horizontal and vertical pages needed to print the given image of the chart.
      static org.eclipse.swt.graphics.Rectangle getVisibleGanttChartArea​(org.eclipse.swt.graphics.Image image)  
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • FOOTER_HEIGHT_IN_PRINTER_DPI

        public static final int FOOTER_HEIGHT_IN_PRINTER_DPI
        The height of the footer on a print page.
        See Also:
        Constant Field Values
    • Constructor Detail

      • PrintUtils

        public PrintUtils()
    • Method Detail

      • computePrintArea

        public static org.eclipse.swt.graphics.Rectangle computePrintArea​(org.eclipse.swt.printing.Printer printer)
        Computes the print area, including margins
        Parameters:
        printer - The printer that will be used to print the chart
        Returns:
        The print area
      • computeScaleFactor

        public static org.eclipse.swt.graphics.Point computeScaleFactor​(org.eclipse.swt.printing.Printer printer)
        Parameters:
        printer - The printer that will be used to print the chart
        Returns:
        Amount to scale the screen resolution by, to match the printer resolution.
      • getPageCount

        public static org.eclipse.swt.graphics.Point getPageCount​(org.eclipse.swt.printing.Printer printer,
                                                                  org.eclipse.swt.graphics.Image image)
        Calculate number of horizontal and vertical pages needed to print the given image of the chart.
        Parameters:
        printer - The printer that will be used to print the chart
        image - The image of the chart that should be printed.
        Returns:
        The number of horizontal and vertical pages that will be printed.
      • getVisibleGanttChartArea

        public static org.eclipse.swt.graphics.Rectangle getVisibleGanttChartArea​(org.eclipse.swt.graphics.Image image)
        Parameters:
        image - The image of the chart that should be printed.
        Returns:
        The size of the image representation of the chart that should be printed.