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<title>ICU 4.4: ParagraphLayout Class Reference</title>
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<h1>ParagraphLayout Class Reference</h1><!-- doxytag: class="ParagraphLayout" --><!-- doxytag: inherits="UObject" -->
<p><a class="el" href="classParagraphLayout.html" title="ParagraphLayout.">ParagraphLayout</a>.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="ParagraphLayout_8h_source.html">ParagraphLayout.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for ParagraphLayout:</div>
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<div class="center">
<img src="classParagraphLayout.gif" usemap="#ParagraphLayout_map" alt=""/>
<map id="ParagraphLayout_map" name="ParagraphLayout_map">
<area href="classUObject.html" alt="UObject" shape="rect" coords="0,56,110,80"/>
<area href="classUMemory.html" alt="UMemory" shape="rect" coords="0,0,110,24"/>
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<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Data Structures</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="classParagraphLayout_1_1Line.html">Line</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">This class represents a single line of text in a <code><a class="el" href="classParagraphLayout.html" title="ParagraphLayout.">ParagraphLayout</a></code>. <a href="classParagraphLayout_1_1Line.html#_details">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><b>StyleRunInfo</b></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="classParagraphLayout_1_1VisualRun.html">VisualRun</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">This object represents a single visual run in a line of text in a paragraph. <a href="classParagraphLayout_1_1VisualRun.html#_details">More...</a><br/></td></tr>
<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classParagraphLayout.html#a7907074382283b025c7bdd04489f902d">ParagraphLayout</a> (const <a class="el" href="LETypes_8h.html#a903cb689308cdef41500411d096a2c2d">LEUnicode</a> chars[], <a class="el" href="LETypes_8h.html#a3ae79f31399d76e3055d2a2745bd0d9a">le_int32</a> count, const <a class="el" href="classFontRuns.html">FontRuns</a> *fontRuns, const <a class="el" href="classValueRuns.html">ValueRuns</a> *levelRuns, const <a class="el" href="classValueRuns.html">ValueRuns</a> *scriptRuns, const <a class="el" href="classLocaleRuns.html">LocaleRuns</a> *localeRuns, <a class="el" href="ubidi_8h.html#ab2460a19f323ab9787a79a95db91a606">UBiDiLevel</a> paragraphLevel, <a class="el" href="LETypes_8h.html#a4b77bc254d0e88fdabffde9c03e6728f">le_bool</a> vertical, <a class="el" href="LETypes_8h.html#a2f75d3bb5abf7f0a71adbf00826e1934">LEErrorCode</a> &status)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Construct a <code><a class="el" href="classParagraphLayout.html" title="ParagraphLayout.">ParagraphLayout</a></code> object for a styled paragraph. <a href="#a7907074382283b025c7bdd04489f902d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classParagraphLayout.html#a3ef387e6749a804b0b4343567ad27961">~ParagraphLayout</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The destructor. <a href="#a3ef387e6749a804b0b4343567ad27961"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="ubidi_8h.html#ab2460a19f323ab9787a79a95db91a606">UBiDiLevel</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classParagraphLayout.html#a90f17221c71a4bbb893dc43bf44b8352">getParagraphLevel</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the resolved paragraph level. <a href="#a90f17221c71a4bbb893dc43bf44b8352"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="ubidi_8h.html#a68a6b5fdcbf80aaa51b5bd39f7f31102">UBiDiDirection</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classParagraphLayout.html#a2a90412e5a4c2465d5068920579137fc">getTextDirection</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the directionality of the text in the paragraph. <a href="#a2a90412e5a4c2465d5068920579137fc"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="LETypes_8h.html#a3ae79f31399d76e3055d2a2745bd0d9a">le_int32</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classParagraphLayout.html#ac107efb21e93bb88d279547cf9ef3a89">getAscent</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the max ascent value for all the fonts in the paragraph. <a href="#ac107efb21e93bb88d279547cf9ef3a89"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="LETypes_8h.html#a3ae79f31399d76e3055d2a2745bd0d9a">le_int32</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classParagraphLayout.html#a442b8a63149d41f5a9072aae90b39c8f">getDescent</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the max descent value for all the fonts in the paragraph. <a href="#a442b8a63149d41f5a9072aae90b39c8f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="LETypes_8h.html#a3ae79f31399d76e3055d2a2745bd0d9a">le_int32</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classParagraphLayout.html#a8aee0a8278e9c7b019748ba04f56e909">getLeading</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the max leading value for all the fonts in the paragraph. <a href="#a8aee0a8278e9c7b019748ba04f56e909"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classParagraphLayout.html#a437d556bb78f8f31a3167cdebed34697">reflow</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Reset line breaking to start from the beginning of the paragraph. <a href="#a437d556bb78f8f31a3167cdebed34697"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="LETypes_8h.html#a4b77bc254d0e88fdabffde9c03e6728f">le_bool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classParagraphLayout.html#ac1942a18258dacba2c6383882ec34b3d">isDone</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Convenience method for determining if paragraph layout processing is complete ( i.e. <a href="#ac1942a18258dacba2c6383882ec34b3d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classParagraphLayout_1_1Line.html">Line</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classParagraphLayout.html#a232b40ef6d0a565c026bec85890d7b50">nextLine</a> (float width)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return a <code><a class="el" href="classParagraphLayout_1_1Line.html" title="This class represents a single line of text in a ParagraphLayout.">ParagraphLayout::Line</a></code> object which represents next line in the paragraph. <a href="#a232b40ef6d0a565c026bec85890d7b50"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="utypes_8h.html#a22af10545208a455a6e884008df48e9f">UClassID</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classParagraphLayout.html#ac9d732c6f5f630acf85c17d213fb850a">getDynamicClassID</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">ICU "poor man's RTTI", returns a UClassID for the actual class. <a href="#ac9d732c6f5f630acf85c17d213fb850a"></a><br/></td></tr>
<tr><td colspan="2"><h2>Static Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="LETypes_8h.html#a4b77bc254d0e88fdabffde9c03e6728f">le_bool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classParagraphLayout.html#af1135377e5cb8e87f36b1552c338105a">isComplex</a> (const <a class="el" href="LETypes_8h.html#a903cb689308cdef41500411d096a2c2d">LEUnicode</a> chars[], <a class="el" href="LETypes_8h.html#a3ae79f31399d76e3055d2a2745bd0d9a">le_int32</a> count)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Examine the given text and determine if it contains characters in any script which requires complex processing to be rendered correctly. <a href="#af1135377e5cb8e87f36b1552c338105a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="utypes_8h.html#a22af10545208a455a6e884008df48e9f">UClassID</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classParagraphLayout.html#aa2b61f27a4915a526eced0e2b089f182">getStaticClassID</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">ICU "poor man's RTTI", returns a UClassID for this class. <a href="#aa2b61f27a4915a526eced0e2b089f182"></a><br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p><a class="el" href="classParagraphLayout.html" title="ParagraphLayout.">ParagraphLayout</a>. </p>
<p>The <code><a class="el" href="classParagraphLayout.html" title="ParagraphLayout.">ParagraphLayout</a></code> object will analyze the text into runs of text in the same font, script and direction, and will create a <code><a class="el" href="classLayoutEngine.html" title="This is a virtual base class used to do complex text layout.">LayoutEngine</a></code> object for each run. The <code><a class="el" href="classLayoutEngine.html" title="This is a virtual base class used to do complex text layout.">LayoutEngine</a></code> will transform the characters into glyph codes in visual order.</p>
<p>Clients can use this to break a paragraph into lines, and to display the glyphs in each line. </p>
<p>Definition at line <a class="el" href="ParagraphLayout_8h_source.html#l00044">44</a> of file <a class="el" href="ParagraphLayout_8h_source.html">ParagraphLayout.h</a>.</p>
<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a7907074382283b025c7bdd04489f902d"></a><!-- doxytag: member="ParagraphLayout::ParagraphLayout" ref="a7907074382283b025c7bdd04489f902d" args="(const LEUnicode chars[], le_int32 count, const FontRuns *fontRuns, const ValueRuns *levelRuns, const ValueRuns *scriptRuns, const LocaleRuns *localeRuns, UBiDiLevel paragraphLevel, le_bool vertical, LEErrorCode &status)" -->
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<td class="memname">ParagraphLayout::ParagraphLayout </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="LETypes_8h.html#a903cb689308cdef41500411d096a2c2d">LEUnicode</a> </td>
<td class="paramname"> <em>chars</em>[], </td>
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<td class="paramtype"><a class="el" href="LETypes_8h.html#a3ae79f31399d76e3055d2a2745bd0d9a">le_int32</a> </td>
<td class="paramname"> <em>count</em>, </td>
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<td class="paramtype">const <a class="el" href="classFontRuns.html">FontRuns</a> * </td>
<td class="paramname"> <em>fontRuns</em>, </td>
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<td class="paramtype">const <a class="el" href="classValueRuns.html">ValueRuns</a> * </td>
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<td class="paramtype">const <a class="el" href="classLocaleRuns.html">LocaleRuns</a> * </td>
<td class="paramname"> <em>localeRuns</em>, </td>
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<td class="paramtype"><a class="el" href="ubidi_8h.html#ab2460a19f323ab9787a79a95db91a606">UBiDiLevel</a> </td>
<td class="paramname"> <em>paragraphLevel</em>, </td>
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<td class="paramtype"><a class="el" href="LETypes_8h.html#a4b77bc254d0e88fdabffde9c03e6728f">le_bool</a> </td>
<td class="paramname"> <em>vertical</em>, </td>
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<td class="paramtype"><a class="el" href="LETypes_8h.html#a2f75d3bb5abf7f0a71adbf00826e1934">LEErrorCode</a> & </td>
<td class="paramname"> <em>status</em></td><td> </td>
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<p>Construct a <code><a class="el" href="classParagraphLayout.html" title="ParagraphLayout.">ParagraphLayout</a></code> object for a styled paragraph. </p>
<p>The paragraph is specified as runs of text all in the same font. An <code><a class="el" href="classLEFontInstance.html" title="This is a virtual base class that serves as the interface between a LayoutEngine...">LEFontInstance</a></code> object and a limit offset are specified for each font run. The limit offset is the offset of the character immediately after the font run.</p>
<p>Clients can optionally specify directional runs and / or script runs. If these aren't specified they will be computed.</p>
<p>If any errors are encountered during construction, <code>status</code> will be set, and the object will be set to be empty.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>chars</em> </td><td>is an array of the characters in the paragraph</td></tr>
<tr><td valign="top"></td><td valign="top"><em>count</em> </td><td>is the number of characters in the paragraph.</td></tr>
<tr><td valign="top"></td><td valign="top"><em>fontRuns</em> </td><td>a pointer to a <code><a class="el" href="classFontRuns.html" title="The FontRuns class associates pointers to LEFontInstance objects with runs of text...">FontRuns</a></code> object representing the font runs.</td></tr>
<tr><td valign="top"></td><td valign="top"><em>levelRuns</em> </td><td>is a pointer to a <code><a class="el" href="classValueRuns.html" title="The ValueRuns class associates integer values with runs of text.">ValueRuns</a></code> object representing the directional levels. If this pointer in <code>NULL</code> the levels will be determined by running the Unicde Bidi algorithm.</td></tr>
<tr><td valign="top"></td><td valign="top"><em>scriptRuns</em> </td><td>is a pointer to a <code><a class="el" href="classValueRuns.html" title="The ValueRuns class associates integer values with runs of text.">ValueRuns</a></code> object representing script runs. If this pointer in <code>NULL</code> the script runs will be determined using the Unicode code points.</td></tr>
<tr><td valign="top"></td><td valign="top"><em>localeRuns</em> </td><td>is a pointer to a <code><a class="el" href="classLocaleRuns.html" title="The LocaleRuns class associates pointers to Locale objects with runs of text.">LocaleRuns</a></code> object representing locale runs. The <code><a class="el" href="classLocale.html" title="A Locale object represents a specific geographical, political, or cultural region...">Locale</a></code> objects are used to determind the language of the text. If this pointer is <code>NULL</code> the default locale will be used for all of the text.</td></tr>
<tr><td valign="top"></td><td valign="top"><em>paragraphLevel</em> </td><td>is the directionality of the paragraph, as in the UBiDi object.</td></tr>
<tr><td valign="top"></td><td valign="top"><em>vertical</em> </td><td>is <code>TRUE</code> if the paragraph should be set vertically.</td></tr>
<tr><td valign="top"></td><td valign="top"><em>status</em> </td><td>will be set to any error code encountered during construction.</td></tr>
</table>
</dd>
</dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="ubidi_8h.html" title="C API: Bidi algorithm.">ubidi.h</a> </dd>
<dd>
<a class="el" href="LEFontInstance_8h.html" title="C++ API: Layout Engine Font Instance object.">LEFontInstance.h</a> </dd>
<dd>
<a class="el" href="LayoutEngine_8h.html" title="C++ API: Virtual base class for complex text layout.">LayoutEngine.h</a> </dd>
<dd>
<a class="el" href="RunArrays_8h.html" title="C++ API: base class for building classes which represent data that is associated...">RunArrays.h</a></dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable004150">Stable:</a></b></dt><dd>ICU 2.8 </dd></dl>
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<a class="anchor" id="a3ef387e6749a804b0b4343567ad27961"></a><!-- doxytag: member="ParagraphLayout::~ParagraphLayout" ref="a3ef387e6749a804b0b4343567ad27961" args="()" -->
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<p>The destructor. </p>
<p>Virtual so that it works correctly with sublcasses.</p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable004151">Stable:</a></b></dt><dd>ICU 3.2 </dd></dl>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="ac107efb21e93bb88d279547cf9ef3a89"></a><!-- doxytag: member="ParagraphLayout::getAscent" ref="ac107efb21e93bb88d279547cf9ef3a89" args="() const " -->
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<td class="memname">virtual <a class="el" href="LETypes_8h.html#a3ae79f31399d76e3055d2a2745bd0d9a">le_int32</a> ParagraphLayout::getAscent </td>
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<p>Return the max ascent value for all the fonts in the paragraph. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>the ascent value.</dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable004155">Stable:</a></b></dt><dd>ICU 3.2 </dd></dl>
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<a class="anchor" id="a442b8a63149d41f5a9072aae90b39c8f"></a><!-- doxytag: member="ParagraphLayout::getDescent" ref="a442b8a63149d41f5a9072aae90b39c8f" args="() const " -->
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<td class="memname">virtual <a class="el" href="LETypes_8h.html#a3ae79f31399d76e3055d2a2745bd0d9a">le_int32</a> ParagraphLayout::getDescent </td>
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<p>Return the max descent value for all the fonts in the paragraph. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>the decent value.</dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable004156">Stable:</a></b></dt><dd>ICU 3.2 </dd></dl>
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<a class="anchor" id="ac9d732c6f5f630acf85c17d213fb850a"></a><!-- doxytag: member="ParagraphLayout::getDynamicClassID" ref="ac9d732c6f5f630acf85c17d213fb850a" args="() const " -->
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<td class="memname">virtual <a class="el" href="utypes_8h.html#a22af10545208a455a6e884008df48e9f">UClassID</a> ParagraphLayout::getDynamicClassID </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [inline, virtual]</code></td>
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<p>ICU "poor man's RTTI", returns a UClassID for the actual class. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable004161">Stable:</a></b></dt><dd>ICU 3.2 </dd></dl>
<p>Implements <a class="el" href="classUObject.html#a9b1acc95efd89cb86ec31f2dc947a262">UObject</a>.</p>
<p>Definition at line <a class="el" href="ParagraphLayout_8h_source.html#l00543">543</a> of file <a class="el" href="ParagraphLayout_8h_source.html">ParagraphLayout.h</a>.</p>
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<a class="anchor" id="a8aee0a8278e9c7b019748ba04f56e909"></a><!-- doxytag: member="ParagraphLayout::getLeading" ref="a8aee0a8278e9c7b019748ba04f56e909" args="() const " -->
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<td class="memname">virtual <a class="el" href="LETypes_8h.html#a3ae79f31399d76e3055d2a2745bd0d9a">le_int32</a> ParagraphLayout::getLeading </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [virtual]</code></td>
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<p>Return the max leading value for all the fonts in the paragraph. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>the leading value.</dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable004157">Stable:</a></b></dt><dd>ICU 3.2 </dd></dl>
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<a class="anchor" id="a90f17221c71a4bbb893dc43bf44b8352"></a><!-- doxytag: member="ParagraphLayout::getParagraphLevel" ref="a90f17221c71a4bbb893dc43bf44b8352" args="()" -->
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<td class="memname"><a class="el" href="ubidi_8h.html#ab2460a19f323ab9787a79a95db91a606">UBiDiLevel</a> ParagraphLayout::getParagraphLevel </td>
<td>(</td>
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<td> ) </td>
<td><code> [inline]</code></td>
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<p>Return the resolved paragraph level. </p>
<p>This is useful for those cases where the bidi analysis has determined the level based on the first strong character in the paragraph.</p>
<dl class="return"><dt><b>Returns:</b></dt><dd>the resolved paragraph level.</dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable004153">Stable:</a></b></dt><dd>ICU 3.2 </dd></dl>
<p>Definition at line <a class="el" href="ParagraphLayout_8h_source.html#l00638">638</a> of file <a class="el" href="ParagraphLayout_8h_source.html">ParagraphLayout.h</a>.</p>
<p>References <a class="el" href="ubidi_8h.html#a6724e673e9ff8f0ee47bd24e47ceb95a">ubidi_getParaLevel()</a>.</p>
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<a class="anchor" id="aa2b61f27a4915a526eced0e2b089f182"></a><!-- doxytag: member="ParagraphLayout::getStaticClassID" ref="aa2b61f27a4915a526eced0e2b089f182" args="()" -->
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<td class="memname">static <a class="el" href="utypes_8h.html#a22af10545208a455a6e884008df48e9f">UClassID</a> ParagraphLayout::getStaticClassID </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td>
<td> ) </td>
<td><code> [inline, static]</code></td>
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<p>ICU "poor man's RTTI", returns a UClassID for this class. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable004160">Stable:</a></b></dt><dd>ICU 3.2 </dd></dl>
<p>Definition at line <a class="el" href="ParagraphLayout_8h_source.html#l00536">536</a> of file <a class="el" href="ParagraphLayout_8h_source.html">ParagraphLayout.h</a>.</p>
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<a class="anchor" id="a2a90412e5a4c2465d5068920579137fc"></a><!-- doxytag: member="ParagraphLayout::getTextDirection" ref="a2a90412e5a4c2465d5068920579137fc" args="()" -->
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<td class="memname"><a class="el" href="ubidi_8h.html#a68a6b5fdcbf80aaa51b5bd39f7f31102">UBiDiDirection</a> ParagraphLayout::getTextDirection </td>
<td>(</td>
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<td> ) </td>
<td><code> [inline]</code></td>
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<p>Return the directionality of the text in the paragraph. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd><code>UBIDI_LTR</code> if the text is all left to right, <code>UBIDI_RTL</code> if the text is all right to left, or <code>UBIDI_MIXED</code> if the text has mixed direction.</dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable004154">Stable:</a></b></dt><dd>ICU 3.2 </dd></dl>
<p>Definition at line <a class="el" href="ParagraphLayout_8h_source.html#l00643">643</a> of file <a class="el" href="ParagraphLayout_8h_source.html">ParagraphLayout.h</a>.</p>
<p>References <a class="el" href="ubidi_8h.html#af31ec52194764c663c224f5171e95ea3">ubidi_getDirection()</a>.</p>
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<a class="anchor" id="af1135377e5cb8e87f36b1552c338105a"></a><!-- doxytag: member="ParagraphLayout::isComplex" ref="af1135377e5cb8e87f36b1552c338105a" args="(const LEUnicode chars[], le_int32 count)" -->
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<td class="memname">static <a class="el" href="LETypes_8h.html#a4b77bc254d0e88fdabffde9c03e6728f">le_bool</a> ParagraphLayout::isComplex </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="LETypes_8h.html#a903cb689308cdef41500411d096a2c2d">LEUnicode</a> </td>
<td class="paramname"> <em>chars</em>[], </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="LETypes_8h.html#a3ae79f31399d76e3055d2a2745bd0d9a">le_int32</a> </td>
<td class="paramname"> <em>count</em></td><td> </td>
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<td>)</td>
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<p>Examine the given text and determine if it contains characters in any script which requires complex processing to be rendered correctly. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>chars</em> </td><td>is an array of the characters in the paragraph</td></tr>
<tr><td valign="top"></td><td valign="top"><em>count</em> </td><td>is the number of characters in the paragraph.</td></tr>
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</dd>
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<dl class="return"><dt><b>Returns:</b></dt><dd><code>TRUE</code> if any of the text requires complex processing.</dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable004152">Stable:</a></b></dt><dd>ICU 3.2 </dd></dl>
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<a class="anchor" id="ac1942a18258dacba2c6383882ec34b3d"></a><!-- doxytag: member="ParagraphLayout::isDone" ref="ac1942a18258dacba2c6383882ec34b3d" args="() const " -->
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<td class="memname"><a class="el" href="LETypes_8h.html#a4b77bc254d0e88fdabffde9c03e6728f">le_bool</a> ParagraphLayout::isDone </td>
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<td> const<code> [inline]</code></td>
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<p>Convenience method for determining if paragraph layout processing is complete ( i.e. </p>
<p>there are no more lines left to process. )</p>
<dl class="return"><dt><b>Returns:</b></dt><dd>true if there are no more lines to be processed</dd></dl>
<dl class="internal"><dt><b><a class="el" href="internal.html#_internal000432">Internal:</a></b></dt><dd>Do not use. This API is for internal use only. </dd></dl>
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<a class="anchor" id="a232b40ef6d0a565c026bec85890d7b50"></a><!-- doxytag: member="ParagraphLayout::nextLine" ref="a232b40ef6d0a565c026bec85890d7b50" args="(float width)" -->
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<td class="memname"><a class="el" href="classParagraphLayout_1_1Line.html">Line</a>* ParagraphLayout::nextLine </td>
<td>(</td>
<td class="paramtype">float </td>
<td class="paramname"> <em>width</em></td>
<td> ) </td>
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<p>Return a <code><a class="el" href="classParagraphLayout_1_1Line.html" title="This class represents a single line of text in a ParagraphLayout.">ParagraphLayout::Line</a></code> object which represents next line in the paragraph. </p>
<p>The width of the line is specified each time so that it can be varied to support arbitrary paragraph shapes.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>width</em> </td><td>is the width of the line. If <code>width</code> is less than or equal to zero, a <code><a class="el" href="classParagraphLayout_1_1Line.html" title="This class represents a single line of text in a ParagraphLayout.">ParagraphLayout::Line</a></code> object representing the rest of the paragraph will be returned.</td></tr>
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<dl class="return"><dt><b>Returns:</b></dt><dd>a <code><a class="el" href="classParagraphLayout_1_1Line.html" title="This class represents a single line of text in a ParagraphLayout.">ParagraphLayout::Line</a></code> object which represents the line. The caller is responsible for deleting the object. Returns <code>NULL</code> if there are no more lines in the paragraph.</dd></dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classParagraphLayout_1_1Line.html" title="This class represents a single line of text in a ParagraphLayout.">ParagraphLayout::Line</a></dd></dl>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable004159">Stable:</a></b></dt><dd>ICU 3.2 </dd></dl>
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<a class="anchor" id="a437d556bb78f8f31a3167cdebed34697"></a><!-- doxytag: member="ParagraphLayout::reflow" ref="a437d556bb78f8f31a3167cdebed34697" args="()" -->
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<td class="memname">void ParagraphLayout::reflow </td>
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<p>Reset line breaking to start from the beginning of the paragraph. </p>
<dl class="stable"><dt><b><a class="el" href="stable.html#_stable004158">Stable:</a></b></dt><dd>ICU 3.2 </dd></dl>
<p>Definition at line <a class="el" href="ParagraphLayout_8h_source.html#l00648">648</a> of file <a class="el" href="ParagraphLayout_8h_source.html">ParagraphLayout.h</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="ParagraphLayout_8h_source.html">ParagraphLayout.h</a></li>
</ul>
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