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<BR> Gets the Acrobat 6.0 layer mode.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#isInvisible()">isInvisible</A></B>()</CODE><BR> Gets the visibility status of the signature.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#isNewField()">isNewField</A></B>()</CODE><BR> Checks if a new field was created.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#isPreClosed()">isPreClosed</A></B>()</CODE><BR> Checks if the document is in the process of closing.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#preClose()">preClose</A></B>()</CODE><BR> This is the first method to be called when using external signatures.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#preClose(java.util.HashMap)">preClose</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/HashMap.html?is-external=true" title="class or interface in java.util">HashMap</A> exclusionSizes)</CODE><BR> This is the first method to be called when using external signatures.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setAcro6Layers(boolean)">setAcro6Layers</A></B>(boolean acro6Layers)</CODE><BR> Acrobat 6.0 and higher recommends that only layer n2 and n4 be present.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setCertificationLevel(int)">setCertificationLevel</A></B>(int certificationLevel)</CODE><BR> Sets the document type to certified instead of simply signed.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setContact(java.lang.String)">setContact</A></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> contact)</CODE><BR> Sets the signing contact.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setCrypto(java.security.PrivateKey, java.security.cert.Certificate[], java.security.cert.CRL[], com.lowagie.text.pdf.PdfName)">setCrypto</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/security/PrivateKey.html?is-external=true" title="class or interface in java.security">PrivateKey</A> privKey, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/security/cert/Certificate.html?is-external=true" title="class or interface in java.security.cert">Certificate</A>[] certChain, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/security/cert/CRL.html?is-external=true" title="class or interface in java.security.cert">CRL</A>[] crlList, <A HREF="../../../../com/lowagie/text/pdf/PdfName.html" title="class in com.lowagie.text.pdf">PdfName</A> filter)</CODE><BR> Sets the cryptographic parameters.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setCryptoDictionary(com.lowagie.text.pdf.PdfDictionary)">setCryptoDictionary</A></B>(<A HREF="../../../../com/lowagie/text/pdf/PdfDictionary.html" title="class in com.lowagie.text.pdf">PdfDictionary</A> cryptoDictionary)</CODE><BR> Sets a user made signature dictionary.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setExternalDigest(byte[], byte[], java.lang.String)">setExternalDigest</A></B>(byte[] digest, byte[] RSAdata, <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> digestEncryptionAlgorithm)</CODE><BR> Sets the digest/signature to an external calculated value.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setImage(com.lowagie.text.Image)">setImage</A></B>(<A HREF="../../../../com/lowagie/text/Image.html" title="class in com.lowagie.text">Image</A> image)</CODE><BR> Sets the background image for the layer 2.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setImageScale(float)">setImageScale</A></B>(float imageScale)</CODE><BR> Sets the scaling to be applied to the background image.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setLayer2Font(com.lowagie.text.Font)">setLayer2Font</A></B>(<A HREF="../../../../com/lowagie/text/Font.html" title="class in com.lowagie.text">Font</A> layer2Font)</CODE><BR> Sets the n2 and n4 layer font.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setLayer2Text(java.lang.String)">setLayer2Text</A></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> text)</CODE><BR> Sets the signature text identifying the signer.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setLayer4Text(java.lang.String)">setLayer4Text</A></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> text)</CODE><BR> Sets the text identifying the signature status.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setLocation(java.lang.String)">setLocation</A></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> location)</CODE><BR> Sets the signing location.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>(package private) void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setOriginalout(java.io.OutputStream)">setOriginalout</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A> originalout)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setProvider(java.lang.String)">setProvider</A></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> provider)</CODE><BR> Sets the Cryptographic Service Provider that will sign the document.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setReason(java.lang.String)">setReason</A></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> reason)</CODE><BR> Sets the signing reason.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setRender(int)">setRender</A></B>(int render)</CODE><BR> Sets the rendering mode for this signature.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setRunDirection(int)">setRunDirection</A></B>(int runDirection)</CODE><BR> Sets the run direction in the n2 and n4 layer.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setSignatureEvent(com.lowagie.text.pdf.PdfSignatureAppearance.SignatureEvent)">setSignatureEvent</A></B>(<A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.SignatureEvent.html" title="interface in com.lowagie.text.pdf">PdfSignatureAppearance.SignatureEvent</A> signatureEvent)</CODE><BR> Sets the signature event to allow modification of the signature dictionary.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setSignatureGraphic(com.lowagie.text.Image)">setSignatureGraphic</A></B>(<A HREF="../../../../com/lowagie/text/Image.html" title="class in com.lowagie.text">Image</A> signatureGraphic)</CODE><BR> Sets the Image object to render when Render is set to <CODE>SignatureRenderGraphicAndDescription</CODE></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setSignDate(java.util.Calendar)">setSignDate</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util">Calendar</A> signDate)</CODE><BR> Sets the signature date.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>(package private) void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setSigout(com.lowagie.text.pdf.ByteBuffer)">setSigout</A></B>(<A HREF="../../../../com/lowagie/text/pdf/ByteBuffer.html" title="class in com.lowagie.text.pdf">ByteBuffer</A> sigout)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>(package private) void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setStamper(com.lowagie.text.pdf.PdfStamper)">setStamper</A></B>(<A HREF="../../../../com/lowagie/text/pdf/PdfStamper.html" title="class in com.lowagie.text.pdf">PdfStamper</A> stamper)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>(package private) void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfSignatureAppearance.html#setTempFile(java.io.File)">setTempFile</A></B>(<A HREF="http://java.sun.co⌨️ 快捷键说明
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