SYNOPSIS
#include <Xm/Xm.h>
int XmConvertUnits(
Widget widget,
int orientation,
int from_unit_type,
int from_value,
int to_unit_type);
DESCRIPTION
XmConvertUnits converts the value and returns it as the return value from the function. For resources of type, dimension, or position, you can specify units using the syntax described in the XmNunitType resource of the XmPrimitive reference page.
- widget
- Specifies the widget for which the data is to be converted.
- orientation
- Specifies whether the converter uses the horizontal or vertical screen resolution when performing the conversions. The orientation parameter can have values of XmHORIZONTAL or XmVERTICAL.
- from_unit_type
- Specifies the current unit type of the supplied value
- from_value
- Specifies the value to be converted
- to_unit_type
- Converts the value to the unit type specified
The parameters from_unit_type and to_unit_type can have the following values:
- XmPIXELS
- All values provided to the widget are treated as pixel values. This is the default for the resource.
- XmMILLIMETERS
- All values provided to the widget are treated as millimeter values.
- Xm100TH_MILLIMETERS
- All values provided to the widget are treated as 1/100 of a millimeter.
- XmCENTIMETERS
- All values provided to the widget are treated as centimeter values.
- XmINCHES
- All values provided to the widget are treated as inch values.
- Xm1000TH_INCHES
- All values provided to the widget are treated as 1/1000 of an inch.
- XmPOINTS
- All values provided to the widget are treated as point values. A point is a unit used in text processing applications and is defined as 1/72 of an inch.
- Xm100TH_POINTS
- All values provided to the widget are treated as 1/100 of a point. A point is a unit typically used in text processing applications and is defined as 1/72 of an inch.
- XmFONT_UNITS
- All values provided to the widget are treated as normal font units. A font unit has horizontal and vertical components. These are the values of the XmScreen resources XmNhorizontalFontUnit and XmNverticalFontUnit.
- Xm100TH_FONT_UNITS
- All values provided to the widget are treated as 1/100 of a font unit. A font unit has horizontal and vertical components. These are the values of the XmScreen resources XmNhorizontalFontUnit and XmNverticalFontUnit.
RETURN
Returns the converted value. If a NULL widget, incorrect orientation, or incorrect unit_type is supplied as parameter data, 0 (zero) is returned.