XmConvertUnits(library call) XmConvertUnits(library call)
NAME
XmConvertUnits -- A function that converts a value in one unit type
to another unit type
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.
RELATED
XmPrimitive,
XmSetFontUnits(3), and
XmScreen(3).
XmConvertUnits(library call)