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<div class="subTitle">com.badlogic.gdx.graphics.glutils
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<h2 title="Class ETC1" class="title">Class ETC1
</h2>
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<ul class="inheritance">
<li>java.lang.Object
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<li>com.badlogic.gdx.graphics.glutils.ETC1
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<pre>public class
<span class="strong">ETC1
</span>
extends java.lang.Object
</pre>
<div class="block">Class for encoding and decoding ETC1 compressed images. Also provides methods to add a PKM header.
</div>
<dl><dt><span class="strong">Author:
</span></dt>
<dd>mzechner
</dd></dl>
</li>
</ul>
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<th class="colFirst" scope="col">Modifier and Type
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<tr class="altColor">
<td class="colFirst"><code>static class
</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.ETC1Data.html" title="class in com.badlogic.gdx.graphics.glutils">ETC1.ETC1Data
</a></strong></code>
<div class="block">Class for storing ETC1 compressed image data.
</div>
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<td class="colFirst"><code>static int
</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.html#ETC1_RGB8_OES">ETC1_RGB8_OES
</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int
</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.html#PKM_HEADER_SIZE">PKM_HEADER_SIZE
</a></strong></code>
<div class="block">The PKM header size in bytes
</div>
</td>
</tr>
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<td class="colOne"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.html#ETC1()">ETC1
</a></strong>()
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<td class="colFirst"><code>static
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics">Pixmap
</a></code></td>
<td class="colLast"><code><strong><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></strong>(
<a href="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.ETC1Data.html" title="class in com.badlogic.gdx.graphics.glutils">ETC1.ETC1Data
</a> etc1Data,
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.Format.html" title="enum in com.badlogic.gdx.graphics">Pixmap.Format
</a> format)
</code>
<div class="block">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>.
</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static
<a href="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.ETC1Data.html" title="class in com.badlogic.gdx.graphics.glutils">ETC1.ETC1Data
</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.html#encodeImage(com.badlogic.gdx.graphics.Pixmap)">encodeImage
</a></strong>(
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics">Pixmap
</a> pixmap)
</code>
<div class="block">Encodes the image via the ETC1 compression scheme.
</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static
<a href="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.ETC1Data.html" title="class in com.badlogic.gdx.graphics.glutils">ETC1.ETC1Data
</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.html#encodeImagePKM(com.badlogic.gdx.graphics.Pixmap)">encodeImagePKM
</a></strong>(
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics">Pixmap
</a> pixmap)
</code>
<div class="block">Encodes the image via the ETC1 compression scheme.
</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static void
</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.html#formatHeader(java.nio.ByteBuffer, int, int, int)">formatHeader
</a></strong>(java.nio.ByteBuffer
header,
int
offset,
int
width,
int
height)
</code>
<div class="block">Writes a PKM header to the
<code>ByteBuffer
</code>.
</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int
</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.html#getCompressedDataSize(int, int)">getCompressedDataSize
</a></strong>(int
width,
int
height)
</code> </td>
</tr>
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<h3>Methods inherited from class
java.lang.Object
</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
</code></li>
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<h4>PKM_HEADER_SIZE
</h4>
<pre>public static
int PKM_HEADER_SIZE
</pre>
<div class="block">The PKM header size in bytes
</div>
</li>
</ul>
<a name="ETC1_RGB8_OES">
<!-- -->
</a>
<ul class="blockListLast">
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<h4>ETC1_RGB8_OES
</h4>
<pre>public static
int ETC1_RGB8_OES
</pre>
</li>
</ul>
</li>
</ul>
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<h4>ETC1
</h4>
<pre>public
ETC1()
</pre>
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<h4>encodeImage
</h4>
<pre>public static
<a href="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.ETC1Data.html" title="class in com.badlogic.gdx.graphics.glutils">ETC1.ETC1Data
</a> encodeImage(
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics">Pixmap
</a> pixmap)
</pre>
<div class="block">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.
</div>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>pixmap
</code> - the
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics"><code>Pixmap
</code></a></dd>
<dt><span class="strong">Returns:
</span></dt><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></dd></dl>
</li>
</ul>
<a name="encodeImagePKM(com.badlogic.gdx.graphics.Pixmap)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>encodeImagePKM
</h4>
<pre>public static
<a href="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.ETC1Data.html" title="class in com.badlogic.gdx.graphics.glutils">ETC1.ETC1Data
</a> encodeImagePKM(
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics">Pixmap
</a> pixmap)
</pre>
<div class="block">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.
</div>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>pixmap
</code> - the
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics"><code>Pixmap
</code></a></dd>
<dt><span class="strong">Returns:
</span></dt><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></dd></dl>
</li>
</ul>
<a name="decodeImage(com.badlogic.gdx.graphics.glutils.ETC1.ETC1Data, com.badlogic.gdx.graphics.Pixmap.Format)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>decodeImage
</h4>
<pre>public static
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics">Pixmap
</a> decodeImage(
<a href="../../../../../com/badlogic/gdx/graphics/glutils/ETC1.ETC1Data.html" title="class in com.badlogic.gdx.graphics.glutils">ETC1.ETC1Data
</a> etc1Data,
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.Format.html" title="enum in com.badlogic.gdx.graphics">Pixmap.Format
</a> format)
</pre>
<div class="block">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.
</div>
<dl><dt><span class="strong">Parameters:
</span></dt><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><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></dd>
<dt><span class="strong">Returns:
</span></dt><dd>the Pixmap
</dd></dl>
</li>
</ul>
<a name="getCompressedDataSize(int, int)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getCompressedDataSize
</h4>
<pre>public static
int
getCompressedDataSize(int
width,
int
height)
</pre>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>width
</code> - the width in pixels
</dd><dd><code>height
</code> - the height in pixels
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>the number of bytes needed to store the compressed data
</dd></dl>
</li>
</ul>
<a name="formatHeader(java.nio.ByteBuffer, int, int, int)">
<!-- -->
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<h4>formatHeader
</h4>
<pre>public static
void
formatHeader(java.nio.ByteBuffer
header,
int
offset,
int
width,
int
height)
</pre>
<div class="block">Writes a PKM header to the
<code>ByteBuffer
</code>. Does not modify the position or limit of the ByteBuffer.
</div>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>header
</code> - the direct native order
<code>ByteBuffer
</code></dd><dd><code>offset
</code> - the offset to the header in bytes
</dd><dd><code>width
</code> - the width in pixels
</dd><dd><code>height
</code> - the height in pixels
</dd></dl>
</li>
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