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<div class="subTitle">com.badlogic.gdx.graphics.g2d
</div>
<h2 title="Class PixmapPacker" class="title">Class PixmapPacker
</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object
</li>
<li>
<ul class="inheritance">
<li>com.badlogic.gdx.graphics.g2d.PixmapPacker
</li>
</ul>
</li>
</ul>
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<dl>
<dt>All Implemented Interfaces:
</dt>
<dd><a href="../../../../../com/badlogic/gdx/utils/Disposable.html" title="interface in com.badlogic.gdx.utils">Disposable
</a></dd>
</dl>
<hr>
<br>
<pre>public class
<span class="strong">PixmapPacker
</span>
extends java.lang.Object
implements
<a href="../../../../../com/badlogic/gdx/utils/Disposable.html" title="interface in com.badlogic.gdx.utils">Disposable
</a></pre>
<div class="block">Packs
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics"><code>Pixmap
</code></a> instances into one more more
<a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.Page.html" title="class in com.badlogic.gdx.graphics.g2d"><code>PixmapPacker.Page
</code></a> instances to generate an atlas of Pixmap instances. Provides
means to directly convert the pixmap atlas to a
<a href="../../../../../com/badlogic/gdx/graphics/g2d/TextureAtlas.html" title="class in com.badlogic.gdx.graphics.g2d"><code>TextureAtlas
</code></a>. The packer supports padding and border pixel duplication,
specified during construction. The packer supports incremental inserts and updates of TextureAtlases generated with this
class.
</p>
All methods except
<a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.html#getPage(java.lang.String)"><code>getPage(String)
</code></a> and
<a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.html#getPages()"><code>getPages()
</code></a> are thread safe. The methods
<code>#generateTextureAtlas(TextureFilter, TextureFilter, boolean)
</code> and
<code>#updateTextureAtlas(TextureAtlas, TextureFilter, TextureFilter, boolean)
</code> need to be called on the rendering thread, all
other methods can be called from any thread.
</p>
One-off usage:
<pre>
// 512x512 pixel pages, RGB565 format, 2 pixels of padding, border duplication
PixmapPacker packer = new PixmapPacker(512, 512, Format.RGB565, 2, true);
packer.pack(
"First Pixmap
", pixmap1);
packer.pack(
"Second Pixmap
", pixmap2);
TextureAtlas altas = packer.generateTextureAtlas(TextureFilter.Nearest, TextureFilter.Nearest);
</pre>
Note that you should not dispose the packer in this usage pattern. Instead, dispose the TextureAtlas if no longer needed.
Incremental usage:
<pre>
// 512x512 pixel pages, RGB565 format, 2 pixels of padding, no border duplication
PixmapPacker packer = new PixmapPacker(512, 512, Format.RGB565, 2, false);
TextureAtlas incrementalAtlas = new TextureAtlas();
// potentially on a separate thread, e.g. downloading thumbnails
packer.pack(
"thumbnail
", thumbnail);
// on the rendering thread, every frame
packer.updateTextureAtlas(incrementalAtlas, TextureFilter.Linear, TextureFilter.Linear);
// once the atlas is no longer needed, make sure you get the final additions. This might
// be more elaborate depending on your threading model.
packer.updateTextureAtlas(incrementalAtlas, TextureFilter.Linear, TextureFilter.Linear);
incrementalAtlas.dispose();
</pre>
Pixmap-only usage:
<pre>
PixmapPacker packer = new PixmapPacker(512, 512, Format.RGB565, 2, true);
packer.pack(
"First Pixmap
", pixmap1);
packer.pack(
"Second Pixmap
", pixmap2);
// do something interesting with the resulting pages
for (Page page : packer.getPages()) {
}
// dispose of the packer in this case
packer.dispose();
</pre></div>
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<caption><span>Nested Classes
</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type
</th>
<th class="colLast" scope="col">Class and Description
</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>class
</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.ManagedPixmapTextureData.html" title="class in com.badlogic.gdx.graphics.g2d">PixmapPacker.ManagedPixmapTextureData
</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class
</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.Page.html" title="class in com.badlogic.gdx.graphics.g2d">PixmapPacker.Page
</a></strong></code> </td>
</tr>
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<caption><span>Constructors
</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description
</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.html#PixmapPacker(int, int, com.badlogic.gdx.graphics.Pixmap.Format, int, boolean)">PixmapPacker
</a></strong>(int
width,
int
height,
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.Format.html" title="enum in com.badlogic.gdx.graphics">Pixmap.Format
</a> format,
int
padding,
boolean
duplicateBorder)
</code>
<div class="block">
Creates a new ImagePacker which will insert all supplied images into a
<code>width
</code> by
<code>height
</code> image.
</div>
</td>
</tr>
</table>
</li>
</ul>
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</h3>
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<caption><span>Methods
</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type
</th>
<th class="colLast" scope="col">Method and Description
</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void
</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.html#dispose()">dispose
</a></strong>()
</code>
<div class="block">Disposes all resources, including Pixmap instances for the pages created so far.
</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean
</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.html#duplicateBoarder()">duplicateBoarder
</a></strong>()
</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../com/badlogic/gdx/graphics/g2d/TextureAtlas.html" title="class in com.badlogic.gdx.graphics.g2d">TextureAtlas
</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.html#generateTextureAtlas(com.badlogic.gdx.graphics.Texture.TextureFilter, com.badlogic.gdx.graphics.Texture.TextureFilter, boolean)">generateTextureAtlas
</a></strong>(
<a href="../../../../../com/badlogic/gdx/graphics/Texture.TextureFilter.html" title="enum in com.badlogic.gdx.graphics">Texture.TextureFilter
</a> minFilter,
<a href="../../../../../com/badlogic/gdx/graphics/Texture.TextureFilter.html" title="enum in com.badlogic.gdx.graphics">Texture.TextureFilter
</a> magFilter,
boolean
useMipMaps)
</code>
<div class="block">Generates a new
<a href="../../../../../com/badlogic/gdx/graphics/g2d/TextureAtlas.html" title="class in com.badlogic.gdx.graphics.g2d"><code>TextureAtlas
</code></a> from the
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics"><code>Pixmap
</code></a> instances inserted so far.
</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int
</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.html#getPadding()">getPadding
</a></strong>()
</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.Page.html" title="class in com.badlogic.gdx.graphics.g2d">PixmapPacker.Page
</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.html#getPage(java.lang.String)">getPage
</a></strong>(java.lang.String
name)
</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int
</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.html#getPageHeight()">getPageHeight
</a></strong>()
</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int
</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.html#getPageIndex(java.lang.String)">getPageIndex
</a></strong>(java.lang.String
name)
</code>
<div class="block">Returns the index of the page containing the given packed rectangle.
</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../com/badlogic/gdx/utils/Array.html" title="class in com.badlogic.gdx.utils">Array
</a><<a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.Page.html" title="class in com.badlogic.gdx.graphics.g2d">PixmapPacker.Page
</a>></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.html#getPages()">getPages
</a></strong>()
</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int
</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.html#getPageWidth()">getPageWidth
</a></strong>()
</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../com/badlogic/gdx/math/Rectangle.html" title="class in com.badlogic.gdx.math">Rectangle
</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.html#getRect(java.lang.String)">getRect
</a></strong>(java.lang.String
name)
</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../com/badlogic/gdx/math/Rectangle.html" title="class in com.badlogic.gdx.math">Rectangle
</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.html#pack(java.lang.String, com.badlogic.gdx.graphics.Pixmap)">pack
</a></strong>(java.lang.String
name,
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics">Pixmap
</a> image)
</code>
<div class="block">
Inserts the given
<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>void
</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.html#updateTextureAtlas(com.badlogic.gdx.graphics.g2d.TextureAtlas, com.badlogic.gdx.graphics.Texture.TextureFilter, com.badlogic.gdx.graphics.Texture.TextureFilter, boolean)">updateTextureAtlas
</a></strong>(
<a href="../../../../../com/badlogic/gdx/graphics/g2d/TextureAtlas.html" title="class in com.badlogic.gdx.graphics.g2d">TextureAtlas
</a> atlas,
<a href="../../../../../com/badlogic/gdx/graphics/Texture.TextureFilter.html" title="enum in com.badlogic.gdx.graphics">Texture.TextureFilter
</a> minFilter,
<a href="../../../../../com/badlogic/gdx/graphics/Texture.TextureFilter.html" title="enum in com.badlogic.gdx.graphics">Texture.TextureFilter
</a> magFilter,
boolean
useMipMaps)
</code>
<div class="block">Updates the given
<a href="../../../../../com/badlogic/gdx/graphics/g2d/TextureAtlas.html" title="class in com.badlogic.gdx.graphics.g2d"><code>TextureAtlas
</code></a>, adding any new
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics"><code>Pixmap
</code></a> instances packed since the last call to this method.
</div>
</td>
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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>
</ul>
</li>
</ul>
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<h3>Constructor Detail
</h3>
<a name="PixmapPacker(int, int, com.badlogic.gdx.graphics.Pixmap.Format, int, boolean)">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>PixmapPacker
</h4>
<pre>public
PixmapPacker(int
width,
int
height,
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.Format.html" title="enum in com.badlogic.gdx.graphics">Pixmap.Format
</a> format,
int
padding,
boolean
duplicateBorder)
</pre>
<div class="block"><p>
Creates a new ImagePacker which will insert all supplied images into a
<code>width
</code> by
<code>height
</code> image.
<code>padding
</code> specifies the minimum number of pixels to insert between images.
<code>border
</code> will duplicate the
border pixels of the inserted images to avoid seams when rendering with bi-linear filtering on.
</p></div>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>width
</code> - the width of the output image
</dd><dd><code>height
</code> - the height of the output image
</dd><dd><code>padding
</code> - the number of padding pixels
</dd><dd><code>duplicateBorder
</code> - whether to duplicate the border
</dd></dl>
</li>
</ul>
</li>
</ul>
<!-- ============ METHOD DETAIL ========== -->
<ul class="blockList">
<li class="blockList"><a name="method_detail">
<!-- -->
</a>
<h3>Method Detail
</h3>
<a name="pack(java.lang.String, com.badlogic.gdx.graphics.Pixmap)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>pack
</h4>
<pre>public
<a href="../../../../../com/badlogic/gdx/math/Rectangle.html" title="class in com.badlogic.gdx.math">Rectangle
</a> pack(java.lang.String
name,
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics">Pixmap
</a> image)
</pre>
<div class="block"><p>
Inserts the given
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics"><code>Pixmap
</code></a>. You can later on retrieve the images position in the output image via the supplied name
and the method
<a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.html#getRect(java.lang.String)"><code>getRect(String)
</code></a>.
</p></div>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>name
</code> - the name of the image
</dd><dd><code>image
</code> - the image
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>Rectangle describing the area the pixmap was rendered to or null.
</dd>
<dt><span class="strong">Throws:
</span></dt>
<dd><code>java.lang.RuntimeException
</code> - in case the image did not fit due to the page size being to small or providing a duplicate name
</dd></dl>
</li>
</ul>
<a name="getPages()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getPages
</h4>
<pre>public
<a href="../../../../../com/badlogic/gdx/utils/Array.html" title="class in com.badlogic.gdx.utils">Array
</a><<a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.Page.html" title="class in com.badlogic.gdx.graphics.g2d">PixmapPacker.Page
</a>> getPages()
</pre>
<dl><dt><span class="strong">Returns:
</span></dt><dd>the
<a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.Page.html" title="class in com.badlogic.gdx.graphics.g2d"><code>PixmapPacker.Page
</code></a> instances created so far. This method is not thread safe!
</dd></dl>
</li>
</ul>
<a name="getRect(java.lang.String)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getRect
</h4>
<pre>public
<a href="../../../../../com/badlogic/gdx/math/Rectangle.html" title="class in com.badlogic.gdx.math">Rectangle
</a> getRect(java.lang.String
name)
</pre>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>name
</code> - the name of the image
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>the rectangle for the image in the page it's stored in or null
</dd></dl>
</li>
</ul>
<a name="getPage(java.lang.String)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getPage
</h4>
<pre>public
<a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.Page.html" title="class in com.badlogic.gdx.graphics.g2d">PixmapPacker.Page
</a> getPage(java.lang.String
name)
</pre>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>name
</code> - the name of the image
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>the page the image is stored in or null
</dd></dl>
</li>
</ul>
<a name="getPageIndex(java.lang.String)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getPageIndex
</h4>
<pre>public
int
getPageIndex(java.lang.String
name)
</pre>
<div class="block">Returns the index of the page containing the given packed rectangle.
</div>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>name
</code> - the name of the image
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>the index of the page the image is stored in or -1
</dd></dl>
</li>
</ul>
<a name="dispose()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>dispose
</h4>
<pre>public
void
dispose()
</pre>
<div class="block">Disposes all resources, including Pixmap instances for the pages created so far. These page Pixmap instances are shared with
any
<a href="../../../../../com/badlogic/gdx/graphics/g2d/TextureAtlas.html" title="class in com.badlogic.gdx.graphics.g2d"><code>TextureAtlas
</code></a> generated or updated by either
<code>#generateTextureAtlas(TextureFilter, TextureFilter, boolean)
</code>
or
<code>#updateTextureAtlas(TextureAtlas, TextureFilter, TextureFilter, boolean)
</code>. Do not call this method if you
generated or updated a TextureAtlas, instead dispose the TextureAtlas.
</div>
<dl>
<dt><strong>Specified by:
</strong></dt>
<dd><code><a href="../../../../../com/badlogic/gdx/utils/Disposable.html#dispose()">dispose
</a></code> in interface
<code><a href="../../../../../com/badlogic/gdx/utils/Disposable.html" title="interface in com.badlogic.gdx.utils">Disposable
</a></code></dd>
</dl>
</li>
</ul>
<a name="generateTextureAtlas(com.badlogic.gdx.graphics.Texture.TextureFilter, com.badlogic.gdx.graphics.Texture.TextureFilter, boolean)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>generateTextureAtlas
</h4>
<pre>public
<a href="../../../../../com/badlogic/gdx/graphics/g2d/TextureAtlas.html" title="class in com.badlogic.gdx.graphics.g2d">TextureAtlas
</a> generateTextureAtlas(
<a href="../../../../../com/badlogic/gdx/graphics/Texture.TextureFilter.html" title="enum in com.badlogic.gdx.graphics">Texture.TextureFilter
</a> minFilter,
<a href="../../../../../com/badlogic/gdx/graphics/Texture.TextureFilter.html" title="enum in com.badlogic.gdx.graphics">Texture.TextureFilter
</a> magFilter,
boolean
useMipMaps)
</pre>
<div class="block">Generates a new
<a href="../../../../../com/badlogic/gdx/graphics/g2d/TextureAtlas.html" title="class in com.badlogic.gdx.graphics.g2d"><code>TextureAtlas
</code></a> from the
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics"><code>Pixmap
</code></a> instances inserted so far.
</div>
<dl><dt><span class="strong">Parameters:
</span></dt><dd><code>minFilter
</code> -
</dd><dd><code>magFilter
</code> -
</dd>
<dt><span class="strong">Returns:
</span></dt><dd>the TextureAtlas
</dd></dl>
</li>
</ul>
<a name="updateTextureAtlas(com.badlogic.gdx.graphics.g2d.TextureAtlas, com.badlogic.gdx.graphics.Texture.TextureFilter, com.badlogic.gdx.graphics.Texture.TextureFilter, boolean)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>updateTextureAtlas
</h4>
<pre>public
void
updateTextureAtlas(
<a href="../../../../../com/badlogic/gdx/graphics/g2d/TextureAtlas.html" title="class in com.badlogic.gdx.graphics.g2d">TextureAtlas
</a> atlas,
<a href="../../../../../com/badlogic/gdx/graphics/Texture.TextureFilter.html" title="enum in com.badlogic.gdx.graphics">Texture.TextureFilter
</a> minFilter,
<a href="../../../../../com/badlogic/gdx/graphics/Texture.TextureFilter.html" title="enum in com.badlogic.gdx.graphics">Texture.TextureFilter
</a> magFilter,
boolean
useMipMaps)
</pre>
<div class="block">Updates the given
<a href="../../../../../com/badlogic/gdx/graphics/g2d/TextureAtlas.html" title="class in com.badlogic.gdx.graphics.g2d"><code>TextureAtlas
</code></a>, adding any new
<a href="../../../../../com/badlogic/gdx/graphics/Pixmap.html" title="class in com.badlogic.gdx.graphics"><code>Pixmap
</code></a> instances packed since the last call to this method.
This can be used to insert Pixmap instances on a separate thread via
<a href="../../../../../com/badlogic/gdx/graphics/g2d/PixmapPacker.html#pack(java.lang.String, com.badlogic.gdx.graphics.Pixmap)"><code>pack(String, Pixmap)
</code></a> and update the
TextureAtlas on the rendering thread. This method must be called on the rendering thread.
</div>
</li>
</ul>
<a name="getPageWidth()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getPageWidth
</h4>
<pre>public
int
getPageWidth()
</pre>
</li>
</ul>
<a name="getPageHeight()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getPageHeight
</h4>
<pre>public
int
getPageHeight()
</pre>
</li>
</ul>
<a name="getPadding()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getPadding
</h4>
<pre>public
int
getPadding()
</pre>
</li>
</ul>
<a name="duplicateBoarder()">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>duplicateBoarder
</h4>
<pre>public
boolean
duplicateBoarder()
</pre>
</li>
</ul>
</li>
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</ul>
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