NumericShaper Class

Reference

Definition

Namespace:: Java.Awt.Font

Assembly:: Mono.Android.dll

Important

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The NumericShaper class is used to convert Latin-1 (European) digits to other Unicode decimal digits.

[Android.Runtime.Register("java/awt/font/NumericShaper", DoNotGenerateAcw=true)]
public sealed class NumericShaper : Java.Lang.Object, IDisposable, Java.Interop.IJavaPeerable, Java.IO.ISerializable

[<Android.Runtime.Register("java/awt/font/NumericShaper", DoNotGenerateAcw=true)>]
type NumericShaper = class
    inherit Object
    interface ISerializable
    interface IJavaObject
    interface IDisposable
    interface IJavaPeerable

Inheritance: Object

Object
NumericShaper

Attributes: RegisterAttribute

Implements: IJavaObject IJavaPeerable ISerializable IDisposable

Remarks

The NumericShaper class is used to convert Latin-1 (European) digits to other Unicode decimal digits. Users of this class will primarily be people who wish to present data using national digit shapes, but find it more convenient to represent the data internally using Latin-1 (European) digits. This does not interpret the deprecated numeric shape selector character (U+206E).

Instances of NumericShaper are typically applied as attributes to text with the TextAttribute#NUMERIC_SHAPING NUMERIC_SHAPING attribute of the TextAttribute class. For example, this code snippet causes a TextLayout to shape European digits to Arabic in an Arabic context: <blockquote>

Map map = new HashMap();
            map.put(TextAttribute.NUMERIC_SHAPING,
                NumericShaper.getContextualShaper(NumericShaper.ARABIC));
            FontRenderContext frc = ...;
            TextLayout layout = new TextLayout(text, map, frc);
            layout.draw(g2d, x, y);

</blockquote> It is also possible to perform numeric shaping explicitly using instances of NumericShaper, as this code snippet demonstrates: <blockquote>

char[] text = ...;
            // shape all EUROPEAN digits (except zero) to ARABIC digits
            NumericShaper shaper = NumericShaper.getShaper(NumericShaper.ARABIC);
            shaper.shape(text, start, count);

            // shape European digits to ARABIC digits if preceding text is Arabic, or
            // shape European digits to TAMIL digits if preceding text is Tamil, or
            // leave European digits alone if there is no preceding text, or
            // preceding text is neither Arabic nor Tamil
            NumericShaper shaper =
                NumericShaper.getContextualShaper(NumericShaper.ARABIC |
                                                    NumericShaper.TAMIL,
                                                  NumericShaper.EUROPEAN);
            shaper.shape(text, start, count);

</blockquote>

Bit mask- and enum-based Unicode ranges

This class supports two different programming interfaces to represent Unicode ranges for script-specific digits: bit mask-based ones, such as #ARABIC NumericShaper.ARABIC, and enum-based ones, such as NumericShaper.Range#ARABIC. Multiple ranges can be specified by ORing bit mask-based constants, such as: <blockquote>

NumericShaper.ARABIC | NumericShaper.TAMIL

</blockquote> or creating a Set with the NumericShaper.Range constants, such as: <blockquote>

EnumSet.of(NumericShaper.Scirpt.ARABIC, NumericShaper.Range.TAMIL)

</blockquote> The enum-based ranges are a super set of the bit mask-based ones.

If the two interfaces are mixed (including serialization), Unicode range values are mapped to their counterparts where such mapping is possible, such as NumericShaper.Range.ARABIC from/to NumericShaper.ARABIC. If any unmappable range values are specified, such as NumericShaper.Range.BALINESE, those ranges are ignored.

Decimal Digits Precedence

A Unicode range may have more than one set of decimal digits. If multiple decimal digits sets are specified for the same Unicode range, one of the sets will take precedence as follows.

<table border=1 cellspacing=3 cellpadding=0 summary="NumericShaper constants precedence."> <tr> <th class="TableHeadingColor">Unicode Range</th> <th class="TableHeadingColor">NumericShaper Constants</th> <th class="TableHeadingColor">Precedence</th> </tr> <tr> <td rowspan="2">Arabic</td> <td>NumericShaper#ARABIC NumericShaper.ARABIC NumericShaper#EASTERN_ARABIC NumericShaper.EASTERN_ARABIC</td> <td>NumericShaper#EASTERN_ARABIC NumericShaper.EASTERN_ARABIC</td> </tr> <tr> <td>NumericShaper.Range#ARABIC NumericShaper.Range#EASTERN_ARABIC</td> <td>NumericShaper.Range#EASTERN_ARABIC</td> </tr> <tr> <td>Tai Tham</td> <td>NumericShaper.Range#TAI_THAM_HORA NumericShaper.Range#TAI_THAM_THAM</td> <td>NumericShaper.Range#TAI_THAM_THAM</td> </tr> </table>

Added in 1.4.

Java documentation for java.awt.font.NumericShaper.

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Fields

AllRanges	Obsolete. Identifies all ranges, for full contextual shaping.
Arabic	Obsolete. Identifies the ARABIC range and decimal base.
Bengali	Obsolete. Identifies the BENGALI range and decimal base.
Devanagari	Obsolete. Identifies the DEVANAGARI range and decimal base.
EasternArabic	Obsolete. Identifies the ARABIC range and ARABIC_EXTENDED decimal base.
Ethiopic	Obsolete. Identifies the ETHIOPIC range and decimal base.
European	Obsolete. Identifies the Latin-1 (European) and extended range, and Latin-1 (European) decimal base.
Gujarati	Obsolete. Identifies the GUJARATI range and decimal base.
Gurmukhi	Obsolete. Identifies the GURMUKHI range and decimal base.
Kannada	Obsolete. Identifies the KANNADA range and decimal base.
Khmer	Obsolete. Identifies the KHMER range and decimal base.
Lao	Obsolete. Identifies the LAO range and decimal base.
Malayalam	Obsolete. Identifies the MALAYALAM range and decimal base.
Mongolian	Obsolete. Identifies the MONGOLIAN range and decimal base.
Myanmar	Obsolete. Identifies the MYANMAR range and decimal base.
Oriya	Obsolete. Identifies the ORIYA range and decimal base.
Tamil	Obsolete. Identifies the TAMIL range and decimal base.
Telugu	Obsolete. Identifies the TELUGU range and decimal base.
Thai	Obsolete. Identifies the THAI range and decimal base.
Tibetan	Obsolete. Identifies the TIBETAN range and decimal base.

Properties

Class	Returns the runtime class of this `Object`. (Inherited from Object)
Handle	The handle to the underlying Android instance. (Inherited from Object)
IsContextual	Returns a `boolean` indicating whether or not this shaper shapes contextually.
JniIdentityHashCode	(Inherited from Object)
JniPeerMembers
PeerReference	(Inherited from Object)
Ranges	Returns an `int` that ORs together the values for all the ranges that will be shaped.
RangeSet	Returns a `Set` representing all the Unicode ranges in this `NumericShaper` that will be shaped.
ThresholdClass	This API supports the Mono for Android infrastructure and is not intended to be used directly from your code. (Inherited from Object)
ThresholdType	This API supports the Mono for Android infrastructure and is not intended to be used directly from your code. (Inherited from Object)

Methods

Clone()	Creates and returns a copy of this object. (Inherited from Object)
Dispose()	(Inherited from Object)
Dispose(Boolean)	(Inherited from Object)
Equals(Object)	Indicates whether some other object is "equal to" this one. (Inherited from Object)
GetContextualShaper(Ranges, Int32)	Returns a contextual shaper for the provided unicode range(s).
GetContextualShaper(Ranges)	Returns a contextual shaper for the provided unicode range(s).
GetHashCode()	Returns a hash code value for the object. (Inherited from Object)
GetShaper(Ranges)	Returns a shaper for the provided unicode range.
JavaFinalize()	Called by the garbage collector on an object when garbage collection determines that there are no more references to the object. (Inherited from Object)
Notify()	Wakes up a single thread that is waiting on this object's monitor. (Inherited from Object)
NotifyAll()	Wakes up all threads that are waiting on this object's monitor. (Inherited from Object)
SetHandle(IntPtr, JniHandleOwnership)	Sets the Handle property. (Inherited from Object)
Shape(Char[], Int32, Int32, Int32)	Converts the digits in the text that occur between start and start + count, using the provided context.
Shape(Char[], Int32, Int32, NumericShaper+Range)	Converts the digits in the text that occur between start and start + count.
Shape(Char[], Int32, Int32)	Converts the digits in the text that occur between start and start + count.
ToArray<T>()	(Inherited from Object)
ToString()	Returns a string representation of the object. (Inherited from Object)
UnregisterFromRuntime()	(Inherited from Object)
Wait()	Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>. (Inherited from Object)
Wait(Int64, Int32)	Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>, or until a certain amount of real time has elapsed. (Inherited from Object)
Wait(Int64)	Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>, or until a certain amount of real time has elapsed. (Inherited from Object)

Explicit Interface Implementations

IJavaPeerable.Disposed()	(Inherited from Object)
IJavaPeerable.DisposeUnlessReferenced()	(Inherited from Object)
IJavaPeerable.Finalized()	(Inherited from Object)
IJavaPeerable.JniManagedPeerState	(Inherited from Object)
IJavaPeerable.SetJniIdentityHashCode(Int32)	(Inherited from Object)
IJavaPeerable.SetJniManagedPeerState(JniManagedPeerStates)	(Inherited from Object)
IJavaPeerable.SetPeerReference(JniObjectReference)	(Inherited from Object)

Extension Methods

JavaCast<TResult>(IJavaObject)	Performs an Android runtime-checked type conversion.
JavaCast<TResult>(IJavaObject)
GetJniTypeName(IJavaPeerable)

Applies to

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