pdflayer.html

IText PDF开发工具说明文档,使用很方便。

<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>on</CODE> - the initial visibility of the layer</DL>
</DD>
</DL>
<HR>

<A NAME="getUsage()"><!-- --></A><H3>
getUsage</H3>
<PRE>
private <A HREF="../../../../com/lowagie/text/pdf/PdfDictionary.html" title="class in com.lowagie.text.pdf">PdfDictionary</A> <B>getUsage</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setCreatorInfo(java.lang.String, java.lang.String)"><!-- --></A><H3>
setCreatorInfo</H3>
<PRE>
public void <B>setCreatorInfo</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;creator,
                           <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;subtype)</PRE>
<DL>
<DD>Used by the creating application to store application-specific
 data associated with this optional content group.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>creator</CODE> - a text string specifying the application that created the group<DD><CODE>subtype</CODE> - a string defining the type of content controlled by the group. Suggested
 values include but are not limited to <B>Artwork</B>, for graphic-design or publishing
 applications, and <B>Technical</B>, for technical designs such as building plans or
 schematics</DL>
</DD>
</DL>
<HR>

<A NAME="setLanguage(java.lang.String, boolean)"><!-- --></A><H3>
setLanguage</H3>
<PRE>
public void <B>setLanguage</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;lang,
                        boolean&nbsp;preferred)</PRE>
<DL>
<DD>Specifies the language of the content controlled by this
 optional content group
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>lang</CODE> - a language string which specifies a language and possibly a locale
 (for example, <B>es-MX</B> represents Mexican Spanish)<DD><CODE>preferred</CODE> - used by viewer applications when there is a partial match but no exact
 match between the system language and the language strings in all usage dictionaries</DL>
</DD>
</DL>
<HR>

<A NAME="setExport(boolean)"><!-- --></A><H3>
setExport</H3>
<PRE>
public void <B>setExport</B>(boolean&nbsp;export)</PRE>
<DL>
<DD>Specifies the recommended state for content in this
 group when the document (or part of it) is saved by a viewer application to a format
 that does not support optional content (for example, an earlier version of
 PDF or a raster image format).
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>export</CODE> - the export state</DL>
</DD>
</DL>
<HR>

<A NAME="setZoom(float, float)"><!-- --></A><H3>
setZoom</H3>
<PRE>
public void <B>setZoom</B>(float&nbsp;min,
                    float&nbsp;max)</PRE>
<DL>
<DD>Specifies a range of magnifications at which the content
 in this optional content group is best viewed.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>min</CODE> - the minimum recommended magnification factors at which the group
 should be ON. A negative value will set the default to 0<DD><CODE>max</CODE> - the maximum recommended magnification factor at which the group
 should be ON. A negative value will set the largest possible magnification supported by the
 viewer application</DL>
</DD>
</DL>
<HR>

<A NAME="setPrint(java.lang.String, boolean)"><!-- --></A><H3>
setPrint</H3>
<PRE>
public void <B>setPrint</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;subtype,
                     boolean&nbsp;printstate)</PRE>
<DL>
<DD>Specifies that the content in this group is intended for
 use in printing
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>subtype</CODE> - a name specifying the kind of content controlled by the group;
 for example, <B>Trapping</B>, <B>PrintersMarks</B> and <B>Watermark</B><DD><CODE>printstate</CODE> - indicates that the group should be
 set to that state when the document is printed from a viewer application</DL>
</DD>
</DL>
<HR>

<A NAME="setView(boolean)"><!-- --></A><H3>
setView</H3>
<PRE>
public void <B>setView</B>(boolean&nbsp;view)</PRE>
<DL>
<DD>Indicates that the group should be set to that state when the
 document is opened in a viewer application.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>view</CODE> - the view state</DL>
</DD>
</DL>
<HR>

<A NAME="isOnPanel()"><!-- --></A><H3>
isOnPanel</H3>
<PRE>
public boolean <B>isOnPanel</B>()</PRE>
<DL>
<DD>Gets the layer visibility in Acrobat's layer panel
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the layer visibility in Acrobat's layer panel</DL>
</DD>
</DL>
<HR>

<A NAME="setOnPanel(boolean)"><!-- --></A><H3>
setOnPanel</H3>
<PRE>
public void <B>setOnPanel</B>(boolean&nbsp;onPanel)</PRE>
<DL>
<DD>Sets the visibility of the layer in Acrobat's layer panel. If <CODE>false</CODE>
 the layer cannot be directly manipulated by the user. Note that any children layers will
 also be absent from the panel.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>onPanel</CODE> - the visibility of the layer in Acrobat's layer panel</DL>
</DD>
</DL>
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