org.eclipse.nebula.widgets.ganttchart.print

Class PrintUtils

java.lang.Object

org.eclipse.nebula.widgets.ganttchart.print.PrintUtils

public class PrintUtils
extends java.lang.Object

Helper class for computations regarding printing of GanttCharts.

Field Summary

Fields

Modifier and Type	Field and Description
static int	FOOTER_HEIGHT_IN_PRINTER_DPI The height of the footer on a print page.

Constructor Summary

Constructors

Constructor and Description
PrintUtils()

Method Summary

Modifier and Type	Method and 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.