XmConvertUnits(3X) — XmConvertUnits--A function that converts a value in one unit type to another unit type XmConvertUnits
#include <Xm/Xm.h>
int XmConvertUnits (widget, orientation, from_unit_type,
from_value, to_unit_type)
Widget widget;
int orientation;
int from_unit_type;
int from_value;
int to_unit_type;
XmConvertUnits converts the value and returns it as the return value from the function.
| 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. orientation 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 normal pixel values. This is the default for the resource.
Xm100TH_MILLIMETERS--all values provided to the widget are treated as 1/100 millimeter.
Xm1000TH_INCHES--all values provided to the widget are treated as 1/1000 inch.
Xm100TH_POINTS--all values provided to the widget are treated as 1/100 point. A point is a unit typically used in text processing applications and is defined as 1/72 inch.
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.
Returns the converted value. If a NULL widget, incorrect orientation, or incorrect unit_type is supplied as parameter data, 0 is returned.