linebreakmeasurer.html

来自「API資料大全」· HTML 代码 · 共 649 行 · 第 1/3 页

             if (layout != null) {
                 layouts.addElement(layout);
                 penPositions.addElement(new Float(horizontalPos));
                 horizontalPos += layout.getAdvance();
                 maxAscent = Math.max(maxAscent, layout.getAscent());
                 maxDescent = Math.max(maxDescent,
                     layout.getDescent() + layout.getLeading());
             } else {
                 lineComplete = true;
             }

             lineContainsText = true;

             if (measurer.getPosition() == tabLocations[currentTab]+1) {
                 currentTab++;
             }

             if (measurer.getPosition() == styledText.getEndIndex())
                 lineComplete = true;
             else if (horizontalPos >= tabStops[tabStops.length-1])
                 lineComplete = true;

             if (!lineComplete) {
                 // move to next tab stop
                 int j;
                 for (j=0; horizontalPos >= tabStops[j]; j++) {}
                 horizontalPos = tabStops[j];
             }
         }

         verticalPos += maxAscent;

         Enumeration layoutEnum = layouts.elements();
         Enumeration positionEnum = penPositions.elements();

         // now iterate through layouts and draw them
         while (layoutEnum.hasMoreElements()) {
             TextLayout nextLayout = (TextLayout) layoutEnum.nextElement();
             Float nextPosition = (Float) positionEnum.nextElement();
             nextLayout.draw(graphics, nextPosition.floatValue(), verticalPos);
         }

         verticalPos += maxDescent;
     }
 }
 </pre>
 </blockquote>
<P>
<DL>
<DT><B>See Also: </B><DD><A HREF="../../../java/awt/font/TextLayout.html"><CODE>TextLayout</CODE></A></DL>
<HR>

<P>
<!-- ======== INNER CLASS SUMMARY ======== -->


<!-- =========== FIELD SUMMARY =========== -->


<!-- ======== CONSTRUCTOR SUMMARY ======== -->

<A NAME="constructor_summary"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=2><FONT SIZE="+2">
<B>Constructor Summary</B></FONT></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../java/awt/font/LineBreakMeasurer.html#LineBreakMeasurer(java.text.AttributedCharacterIterator, java.text.BreakIterator, java.awt.font.FontRenderContext)">LineBreakMeasurer</A></B>(<A HREF="../../../java/text/AttributedCharacterIterator.html">AttributedCharacterIterator</A>&nbsp;text,
                  <A HREF="../../../java/text/BreakIterator.html">BreakIterator</A>&nbsp;breakIter,
                  <A HREF="../../../java/awt/font/FontRenderContext.html">FontRenderContext</A>&nbsp;frc)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructs a <code>LineBreakMeasurer</code> for the specified text.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../java/awt/font/LineBreakMeasurer.html#LineBreakMeasurer(java.text.AttributedCharacterIterator, java.awt.font.FontRenderContext)">LineBreakMeasurer</A></B>(<A HREF="../../../java/text/AttributedCharacterIterator.html">AttributedCharacterIterator</A>&nbsp;text,
                  <A HREF="../../../java/awt/font/FontRenderContext.html">FontRenderContext</A>&nbsp;frc)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructs a <code>LineBreakMeasurer</code> for the specified text.</TD>
</TR>
</TABLE>
&nbsp;
<!-- ========== METHOD SUMMARY =========== -->

<A NAME="method_summary"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=2><FONT SIZE="+2">
<B>Method Summary</B></FONT></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../java/awt/font/LineBreakMeasurer.html#deleteChar(java.text.AttributedCharacterIterator, int)">deleteChar</A></B>(<A HREF="../../../java/text/AttributedCharacterIterator.html">AttributedCharacterIterator</A>&nbsp;newParagraph,
           int&nbsp;deletePos)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Updates this <code>LineBreakMeasurer</code> after a single
 character is deleted from the text, and sets the current
 position to the beginning of the paragraph.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../java/awt/font/LineBreakMeasurer.html#getPosition()">getPosition</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the current position of this
 <code>LineBreakMeasurer</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../java/awt/font/LineBreakMeasurer.html#insertChar(java.text.AttributedCharacterIterator, int)">insertChar</A></B>(<A HREF="../../../java/text/AttributedCharacterIterator.html">AttributedCharacterIterator</A>&nbsp;newParagraph,
           int&nbsp;insertPos)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Updates this <code>LineBreakMeasurer</code> after a single
 character is inserted into the text, and sets the current
 position to the beginning of the paragraph.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../java/awt/font/TextLayout.html">TextLayout</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../java/awt/font/LineBreakMeasurer.html#nextLayout(float)">nextLayout</A></B>(float&nbsp;wrappingWidth)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the next layout, and updates the current position.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../java/awt/font/TextLayout.html">TextLayout</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../java/awt/font/LineBreakMeasurer.html#nextLayout(float, int, boolean)">nextLayout</A></B>(float&nbsp;wrappingWidth,
           int&nbsp;offsetLimit,
           boolean&nbsp;requireNextWord)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the next layout, and updates the current position.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../java/awt/font/LineBreakMeasurer.html#nextOffset(float)">nextOffset</A></B>(float&nbsp;wrappingWidth)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the position at the end of the next layout.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../java/awt/font/LineBreakMeasurer.html#nextOffset(float, int, boolean)">nextOffset</A></B>(float&nbsp;wrappingWidth,
           int&nbsp;offsetLimit,
           boolean&nbsp;requireNextWord)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the position at the end of the next layout.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../java/awt/font/LineBreakMeasurer.html#setPosition(int)">setPosition</A></B>(int&nbsp;newPosition)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the current position of this <code>LineBreakMeasurer</code>.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class java.lang.<A HREF="../../../java/lang/Object.html">Object</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../java/lang/Object.html#clone()">clone</A>, <A HREF="../../../java/lang/Object.html#equals(java.lang.Object)">equals</A>, <A HREF="../../../java/lang/Object.html#finalize()">finalize</A>, <A HREF="../../../java/lang/Object.html#getClass()">getClass</A>, <A HREF="../../../java/lang/Object.html#hashCode()">hashCode</A>, <A HREF="../../../java/lang/Object.html#notify()">notify</A>, <A HREF="../../../java/lang/Object.html#notifyAll()">notifyAll</A>, <A HREF="../../../java/lang/Object.html#toString()">toString</A>, <A HREF="../../../java/lang/Object.html#wait()">wait</A>, <A HREF="../../../java/lang/Object.html#wait(long)">wait</A>, <A HREF="../../../java/lang/Object.html#wait(long, int)">wait</A></CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>

<!-- ============ FIELD DETAIL =========== -->


<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="LineBreakMeasurer(java.text.AttributedCharacterIterator, java.awt.font.FontRenderContext)"><!-- --></A><H3>
LineBreakMeasurer</H3>
<PRE>
public <B>LineBreakMeasurer</B>(<A HREF="../../../java/text/AttributedCharacterIterator.html">AttributedCharacterIterator</A>&nbsp;text,
                         <A HREF="../../../java/awt/font/FontRenderContext.html">FontRenderContext</A>&nbsp;frc)</PRE>
<DL>
<DD>Constructs a <code>LineBreakMeasurer</code> for the specified text.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>text</CODE> - the text for which this <code>LineBreakMeasurer</code>
 produces <code>TextLayout</code> objects.  The text must contain at
 least one character.  If the text available through 
 <code>iter</code> changes, further calls to this 
 <code>LineBreakMeasurer</code> instance are undefined (except,
 in some cases, when <code>insertChar</code> or 
 <code>deleteChar</code> are invoked afterward - see below).<DD><CODE>frc</CODE> - contains information about a graphics device which is needed 
       to measure the text correctly.
       Text measurements can vary slightly depending on the
       device resolution, and attributes such as antialiasing.  This
       parameter does not specify a translation between the
       <code>LineBreakMeasurer</code> and user space.<DT><B>See Also: </B><DD><A HREF="../../../java/awt/font/LineBreakMeasurer.html#insertChar(java.text.AttributedCharacterIterator, int)"><CODE>insertChar(java.text.AttributedCharacterIterator, int)</CODE></A>, 
<A HREF="../../../java/awt/font/LineBreakMeasurer.html#deleteChar(java.text.AttributedCharacterIterator, int)"><CODE>deleteChar(java.text.AttributedCharacterIterator, int)</CODE></A></DL>
</DD>
</DL>
<HR>