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com.badlogic.gdx.graphics.glutils</FONT>
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Class ETC1</H2>
<PRE>
java.lang.Object
  <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>com.badlogic.gdx.graphics.glutils.ETC1</B>
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<DT><PRE>public class <B>ETC1</B><DT>extends java.lang.Object</DL>
</PRE>

<P>
Class for encoding and decoding ETC1 compressed images. Also provides methods to add a PKM header.
<P>

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<DT><B>Author:</B></DT>
  <DD>mzechner</DD>
</DL>
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<CODE>static&nbsp;class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.ETC1Data.html" title="class in com.badlogic.gdx.graphics.glutils">ETC1.ETC1Data</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Class for storing ETC1 compressed image data.</TD>
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<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.html#ETC1_RGB8_OES">ETC1_RGB8_OES</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.html#PKM_HEADER_SIZE">PKM_HEADER_SIZE</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The PKM header size in bytes</TD>
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<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.html#ETC1()">ETC1</A></B>()</CODE>

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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;<A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics">Pixmap</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.html#decodeImage(com.badlogic.gdx.graphics.glutils.ETC1.ETC1Data, com.badlogic.gdx.graphics.Pixmap.Format)">decodeImage</A></B>(<A HREF="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.ETC1Data.html" title="class in com.badlogic.gdx.graphics.glutils">ETC1.ETC1Data</A>&nbsp;etc1Data,
            <A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.Format.html" title="enum in com.badlogic.gdx.graphics">Pixmap.Format</A>&nbsp;format)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Takes ETC1 compressed image data and converts it to a <A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.Format.html#RGB565"><CODE>Pixmap.Format.RGB565</CODE></A> or <A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.Format.html#RGB888"><CODE>Pixmap.Format.RGB888</CODE></A> <A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics"><CODE>Pixmap</CODE></A>.</TD>
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<CODE>static&nbsp;<A HREF="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.ETC1Data.html" title="class in com.badlogic.gdx.graphics.glutils">ETC1.ETC1Data</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.html#encodeImage(com.badlogic.gdx.graphics.Pixmap)">encodeImage</A></B>(<A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics">Pixmap</A>&nbsp;pixmap)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Encodes the image via the ETC1 compression scheme.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;<A HREF="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.ETC1Data.html" title="class in com.badlogic.gdx.graphics.glutils">ETC1.ETC1Data</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.html#encodeImagePKM(com.badlogic.gdx.graphics.Pixmap)">encodeImagePKM</A></B>(<A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics">Pixmap</A>&nbsp;pixmap)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Encodes the image via the ETC1 compression scheme.</TD>
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<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/badlogic/gdx/graphics/glutils/ETC1.html#formatHeader(java.nio.ByteBuffer, int, int, int)">formatHeader</A></B>(java.nio.ByteBuffer&nbsp;header,
             int&nbsp;offset,
             int&nbsp;width,
             int&nbsp;height)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Writes a PKM header to the <CODE>ByteBuffer</CODE>.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.html#getCompressedDataSize(int, int)">getCompressedDataSize</A></B>(int&nbsp;width,
                      int&nbsp;height)</CODE>

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<A NAME="PKM_HEADER_SIZE"><!-- --></A><H3>
PKM_HEADER_SIZE</H3>
<PRE>
public static int <B>PKM_HEADER_SIZE</B></PRE>
<DL>
<DD>The PKM header size in bytes
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="ETC1_RGB8_OES"><!-- --></A><H3>
ETC1_RGB8_OES</H3>
<PRE>
public static int <B>ETC1_RGB8_OES</B></PRE>
<DL>
<DL>
</DL>
</DL>

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

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<A NAME="ETC1()"><!-- --></A><H3>
ETC1</H3>
<PRE>
public <B>ETC1</B>()</PRE>
<DL>
</DL>

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<A NAME="encodeImage(com.badlogic.gdx.graphics.Pixmap)"><!-- --></A><H3>
encodeImage</H3>
<PRE>
public static <A HREF="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.ETC1Data.html" title="class in com.badlogic.gdx.graphics.glutils">ETC1.ETC1Data</A> <B>encodeImage</B>(<A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics">Pixmap</A>&nbsp;pixmap)</PRE>
<DL>
<DD>Encodes the image via the ETC1 compression scheme. Only <A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.Format.html#RGB565"><CODE>Pixmap.Format.RGB565</CODE></A> and <A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.Format.html#RGB888"><CODE>Pixmap.Format.RGB888</CODE></A> are supported.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>pixmap</CODE> - the <A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics"><CODE>Pixmap</CODE></A>
<DT><B>Returns:</B><DD>the <A HREF="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.ETC1Data.html" title="class in com.badlogic.gdx.graphics.glutils"><CODE>ETC1.ETC1Data</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="encodeImagePKM(com.badlogic.gdx.graphics.Pixmap)"><!-- --></A><H3>
encodeImagePKM</H3>
<PRE>
public static <A HREF="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.ETC1Data.html" title="class in com.badlogic.gdx.graphics.glutils">ETC1.ETC1Data</A> <B>encodeImagePKM</B>(<A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics">Pixmap</A>&nbsp;pixmap)</PRE>
<DL>
<DD>Encodes the image via the ETC1 compression scheme. Only <A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.Format.html#RGB565"><CODE>Pixmap.Format.RGB565</CODE></A> and <A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.Format.html#RGB888"><CODE>Pixmap.Format.RGB888</CODE></A> are supported. Adds
 a PKM header in front of the compressed image data.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>pixmap</CODE> - the <A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics"><CODE>Pixmap</CODE></A>
<DT><B>Returns:</B><DD>the <A HREF="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.ETC1Data.html" title="class in com.badlogic.gdx.graphics.glutils"><CODE>ETC1.ETC1Data</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="decodeImage(com.badlogic.gdx.graphics.glutils.ETC1.ETC1Data, com.badlogic.gdx.graphics.Pixmap.Format)"><!-- --></A><H3>
decodeImage</H3>
<PRE>
public static <A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics">Pixmap</A> <B>decodeImage</B>(<A HREF="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.ETC1Data.html" title="class in com.badlogic.gdx.graphics.glutils">ETC1.ETC1Data</A>&nbsp;etc1Data,
                                 <A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.Format.html" title="enum in com.badlogic.gdx.graphics">Pixmap.Format</A>&nbsp;format)</PRE>
<DL>
<DD>Takes ETC1 compressed image data and converts it to a <A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.Format.html#RGB565"><CODE>Pixmap.Format.RGB565</CODE></A> or <A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.Format.html#RGB888"><CODE>Pixmap.Format.RGB888</CODE></A> <A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics"><CODE>Pixmap</CODE></A>. Does
 not modify the ByteBuffer's position or limit.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>etc1Data</CODE> - the <A HREF="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.ETC1Data.html" title="class in com.badlogic.gdx.graphics.glutils"><CODE>ETC1.ETC1Data</CODE></A> instance<DD><CODE>format</CODE> - either <A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.Format.html#RGB565"><CODE>Pixmap.Format.RGB565</CODE></A> or <A HREF="../../../../../com/badlogic/gdx/graphics/Pixmap.Format.html#RGB888"><CODE>Pixmap.Format.RGB888</CODE></A>
<DT><B>Returns:</B><DD>the Pixmap</DL>
</DD>
</DL>
<HR>

<A NAME="getCompressedDataSize(int, int)"><!-- --></A><H3>
getCompressedDataSize</H3>
<PRE>
public static int <B>getCompressedDataSize</B>(int&nbsp;width,
                                        int&nbsp;height)</PRE>
<DL>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>width</CODE> - the width in pixels<DD><CODE>height</CODE> - the height in pixels
<DT><B>Returns:</B><DD>the number of bytes needed to store the compressed data</DL>
</DD>
</DL>
<HR>

<A NAME="formatHeader(java.nio.ByteBuffer, int, int, int)"><!-- --></A><H3>
formatHeader</H3>
<PRE>
public static void <B>formatHeader</B>(java.nio.ByteBuffer&nbsp;header,
                                int&nbsp;offset,
                                int&nbsp;width,
                                int&nbsp;height)</PRE>
<DL>
<DD>Writes a PKM header to the <CODE>ByteBuffer</CODE>. Does not modify the position or limit of the ByteBuffer.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>header</CODE> - the direct native order <CODE>ByteBuffer</CODE><DD><CODE>offset</CODE> - the offset to the header in bytes<DD><CODE>width</CODE> - the width in pixels<DD><CODE>height</CODE> - the height in pixels</DL>
</DD>
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