1XmConvertUnits(library call) XmConvertUnits(library call)
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6 XmConvertUnits — A function that converts a value in one unit type to
7 another unit type
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10 #include <Xm/Xm.h>
11 int XmConvertUnits(
12 Widget widget,
13 int orientation,
14 int from_unit_type,
15 int from_value,
16 int to_unit_type);
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19 XmConvertUnits converts the value and returns it as the return value
20 from the function. For resources of type, dimension, or position, you
21 can specify units using the syntax described in the XmNunitType
22 resource of the XmPrimitive reference page.
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24 widget Specifies the widget for which the data is to be converted.
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26 orientation
27 Specifies whether the converter uses the horizontal or verti‐
28 cal screen resolution when performing the conversions. The
29 orientation parameter can have values of XmHORIZONTAL or
30 XmVERTICAL.
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32 from_unit_type
33 Specifies the current unit type of the supplied value
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35 from_value
36 Specifies the value to be converted
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38 to_unit_type
39 Converts the value to the unit type specified
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41 The parameters from_unit_type and to_unit_type can have the following
42 values:
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44 XmPIXELS All values provided to the widget are treated as pixel val‐
45 ues. This is the default for the resource.
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47 XmMILLIMETERS
48 All values provided to the widget are treated as millimeter
49 values.
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51 Xm100TH_MILLIMETERS
52 All values provided to the widget are treated as 1/100 of a
53 millimeter.
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55 XmCENTIMETERS
56 All values provided to the widget are treated as centimeter
57 values.
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59 XmINCHES All values provided to the widget are treated as inch values.
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61 Xm1000TH_INCHES
62 All values provided to the widget are treated as 1/1000 of an
63 inch.
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65 XmPOINTS All values provided to the widget are treated as point val‐
66 ues. A point is a unit used in text processing applications
67 and is defined as 1/72 of an inch.
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69 Xm100TH_POINTS
70 All values provided to the widget are treated as 1/100 of a
71 point. A point is a unit typically used in text processing
72 applications and is defined as 1/72 of an inch.
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74 XmFONT_UNITS
75 All values provided to the widget are treated as normal font
76 units. A font unit has horizontal and vertical components.
77 These are the values of the XmScreen resources XmNhorizontal‐
78 FontUnit and XmNverticalFontUnit.
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80 Xm100TH_FONT_UNITS
81 All values provided to the widget are treated as 1/100 of a
82 font unit. A font unit has horizontal and vertical compo‐
83 nents. These are the values of the XmScreen resources XmN‐
84 horizontalFontUnit and XmNverticalFontUnit.
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87 Returns the converted value. If a NULL widget, incorrect orientation,
88 or incorrect unit_type is supplied as parameter data, 0 (zero) is
89 returned.
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92 XmPrimitive, XmSetFontUnits(3), and XmScreen(3).
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96 XmConvertUnits(library call)