gifencoder.html

java对GIF的编解码工具,有完整的说明和例子

       java.io.File&nbsp;output)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Encode and write out the data contained in the <code>Image</code> to a
 <code>File</code> in the GIF output format ('89a' version). </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/gif4j/light/GifEncoder.html#encode(java.awt.Image, java.io.OutputStream)">encode</A></B>(java.awt.Image&nbsp;image,
       java.io.OutputStream&nbsp;outputStream)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Encode and write out the data contained in the <code>Image</code> to the
 output stream in the GIF89a file format. </TD>
</TR>
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<TD><B>Methods inherited from class java.lang.Object</B></TD>
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<TD><CODE>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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<B>Method Detail</B></FONT></TD>
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<A NAME="encode(com.gif4j.light.GifImage, java.io.OutputStream)"><!-- --></A><H3>
encode</H3>
<PRE>
public static final void <B>encode</B>(<A HREF="../../../com/gif4j/light/GifImage.html" title="class in com.gif4j.light">GifImage</A>&nbsp;gifImage,
                                java.io.OutputStream&nbsp;outputStream)
                         throws java.io.IOException</PRE>
<DL>
<DD>Encode and write out the data contained in the <A HREF="../../../com/gif4j/light/GifImage.html" title="class in com.gif4j.light"><CODE>GifImage</CODE></A> to the specified
 output stream in the GIF image file format ('89a' version).
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>gifImage</CODE> - <code>GifImage</code> to encode and write out<DD><CODE>outputStream</CODE> - the specified stream to output
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - If write operation fails
<DD><CODE>java.lang.NullPointerException</CODE> - If gifImage is null
<DD><CODE>java.lang.NullPointerException</CODE> - If output stream is null</DL>
</DD>
</DL>
<HR>

<A NAME="encode(com.gif4j.light.GifImage, java.io.OutputStream, boolean)"><!-- --></A><H3>
encode</H3>
<PRE>
public static final void <B>encode</B>(<A HREF="../../../com/gif4j/light/GifImage.html" title="class in com.gif4j.light">GifImage</A>&nbsp;gifImage,
                                java.io.OutputStream&nbsp;outputStream,
                                boolean&nbsp;forceGlobalColorTableUsage)
                         throws java.io.IOException</PRE>
<DL>
<DD>Encode and write out the data contained in the <A HREF="../../../com/gif4j/light/GifImage.html" title="class in com.gif4j.light"><CODE>GifImage</CODE></A> to the specified
 output stream in the GIF file format ('89a' version).
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>gifImage</CODE> - <code>GifImage</code> to encode and write out<DD><CODE>outputStream</CODE> - the specified stream to output<DD><CODE>forceGlobalColorTableUsage</CODE> - force Global Color Table usage. If true local color tables from all frames
 will be union to one global color table. It's useful to optimize final image size (every Local Color Table takes up to 768 bytes).
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - If write operation fails
<DD><CODE>java.lang.NullPointerException</CODE> - If <code>GifImage</code> is null
<DD><CODE>java.lang.NullPointerException</CODE> - If output stream is null</DL>
</DD>
</DL>
<HR>

<A NAME="encode(com.gif4j.light.GifImage, java.io.File)"><!-- --></A><H3>
encode</H3>
<PRE>
public static final void <B>encode</B>(<A HREF="../../../com/gif4j/light/GifImage.html" title="class in com.gif4j.light">GifImage</A>&nbsp;gifImage,
                                java.io.File&nbsp;output)
                         throws java.io.IOException</PRE>
<DL>
<DD>Encode and write out the data contained in the <A HREF="../../../com/gif4j/light/GifImage.html" title="class in com.gif4j.light"><CODE>GifImage</CODE></A> to a
 <code>File</code> in the GIF output format ('89a' version). If
 there is already a <code>File</code> present, its contents are
 discarded.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>gifImage</CODE> - <code>GifImage</code> to encode and write out<DD><CODE>output</CODE> - a <code>File</code> to be written to.
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - If write operation fails
<DD><CODE>java.lang.NullPointerException</CODE> - If <code>GifImage</code> is null
<DD><CODE>java.lang.NullPointerException</CODE> - If output is null<DT><B>Since:</B></DT>
  <DD>2.0</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="encode(com.gif4j.light.GifImage, java.io.File, boolean)"><!-- --></A><H3>
encode</H3>
<PRE>
public static final void <B>encode</B>(<A HREF="../../../com/gif4j/light/GifImage.html" title="class in com.gif4j.light">GifImage</A>&nbsp;gifImage,
                                java.io.File&nbsp;output,
                                boolean&nbsp;forceGlobalColorTableUsage)
                         throws java.io.IOException</PRE>
<DL>
<DD>Encode and write out the data contained in the <A HREF="../../../com/gif4j/light/GifImage.html" title="class in com.gif4j.light"><CODE>GifImage</CODE></A> to a
 <code>File</code> in the GIF output format ('89a' version). If
 there is already a <code>File</code> present, its contents are
 discarded.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>gifImage</CODE> - <code>GifImage</code> to encode and write out<DD><CODE>output</CODE> - a <code>File</code> to be written to.<DD><CODE>forceGlobalColorTableUsage</CODE> - force Global Color Table usage. If true local color tables from all frames
 will be union to one global color table. It's useful to optimize final image size (every Local Color Table takes up to 768 bytes).
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - If write operation fails
<DD><CODE>java.lang.NullPointerException</CODE> - If <code>GifImage</code> is null
<DD><CODE>java.lang.NullPointerException</CODE> - If output is null<DT><B>Since:</B></DT>
  <DD>2.0</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="encode(java.awt.Image, java.io.OutputStream)"><!-- --></A><H3>
encode</H3>
<PRE>
public static final void <B>encode</B>(java.awt.Image&nbsp;image,
                                java.io.OutputStream&nbsp;outputStream)
                         throws java.io.IOException</PRE>
<DL>
<DD>Encode and write out the data contained in the <code>Image</code> to the
 output stream in the GIF89a file format. Running this method is equal
 to running <A HREF="../../../com/gif4j/light/GifEncoder.html#encode(com.gif4j.light.GifImage, java.io.OutputStream)"><CODE>encode(com.gif4j.light.GifImage gifImage, java.io.OutputStream outputStream)</CODE></A> where
 <A HREF="../../../com/gif4j/light/GifImage.html" title="class in com.gif4j.light"><CODE>GifImage</CODE></A> instance contains the only one <A HREF="../../../com/gif4j/light/GifFrame.html" title="class in com.gif4j.light"><CODE>GifFrame</CODE></A> instance wrapped the specified image.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>image</CODE> - image to encode<DD><CODE>outputStream</CODE> - the specified stream to output
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - If write operation fails
<DD><CODE>java.lang.NullPointerException</CODE> - If image is null
<DD><CODE>java.lang.NullPointerException</CODE> - If output stream is null</DL>
</DD>
</DL>
<HR>

<A NAME="encode(java.awt.Image, java.io.DataOutput)"><!-- --></A><H3>
encode</H3>
<PRE>
public static final void <B>encode</B>(java.awt.Image&nbsp;image,
                                java.io.DataOutput&nbsp;dataOutput)
                         throws java.io.IOException</PRE>
<DL>
<DD>Encode and write out the data contained in the <code>Image</code> to the
 specified output in the GIF89a file format.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>image</CODE> - image to encode<DD><CODE>dataOutput</CODE> - the specified output to write
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - If write operation fails
<DD><CODE>java.lang.NullPointerException</CODE> - If image is null
<DD><CODE>java.lang.NullPointerException</CODE> - If output is null</DL>
</DD>
</DL>
<HR>

<A NAME="encode(java.awt.Image, java.io.File)"><!-- --></A><H3>
encode</H3>
<PRE>
public static final void <B>encode</B>(java.awt.Image&nbsp;image,
                                java.io.File&nbsp;output)
                         throws java.io.IOException</PRE>
<DL>
<DD>Encode and write out the data contained in the <code>Image</code> to a
 <code>File</code> in the GIF output format ('89a' version). If
 there is already a <code>File</code> present, its contents are
 discarded.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>image</CODE> - image to encode and write out<DD><CODE>output</CODE> - a <code>File</code> to be written to.
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - If write operation fails
<DD><CODE>java.lang.NullPointerException</CODE> - If <code>GifImage</code> is null
<DD><CODE>java.lang.NullPointerException</CODE> - If output is null<DT><B>Since:</B></DT>
  <DD>2.0</DD>
</DL>
</DD>
</DL>
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