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<div class="subTitle">javafx.scene.image</div>
<h2 title="Class WritablePixelFormat" class="title">Class WritablePixelFormat<T extends <a href="https://docs.oracle.com/javase/8/docs/api/java/nio/Buffer.html?is-external=true" title="class or interface in java.nio">Buffer</a>></h2>
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<li><a href="../../../javafx/scene/image/PixelFormat.html" title="class in javafx.scene.image">javafx.scene.image.PixelFormat</a><T></li>
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<li>javafx.scene.image.WritablePixelFormat<T></li>
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<pre>public abstract class <span class="typeNameLabel">WritablePixelFormat<T extends <a href="https://docs.oracle.com/javase/8/docs/api/java/nio/Buffer.html?is-external=true" title="class or interface in java.nio">Buffer</a>></span>
extends <a href="../../../javafx/scene/image/PixelFormat.html" title="class in javafx.scene.image">PixelFormat</a><T></pre>
<div class="block">A <a href="../../../javafx/scene/image/PixelFormat.html" title="class in javafx.scene.image"><code>PixelFormat</code></a> object representing a pixel format that can store
full colors and so can be used as a destination format to write pixel
data from an arbitrary image.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>JavaFX 2.2</dd>
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<h3>Nested classes/interfaces inherited from class javafx.scene.image.<a href="../../../javafx/scene/image/PixelFormat.html" title="class in javafx.scene.image">PixelFormat</a></h3>
<code><a href="../../../javafx/scene/image/PixelFormat.Type.html" title="enum in javafx.scene.image">PixelFormat.Type</a></code></li>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/image/WritablePixelFormat.html#isWritable--">isWritable</a></span>()</code>
<div class="block">Returns true iff this <code>PixelFormat</code> object can convert
color information into a pixel representation.</div>
</td>
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<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javafx/scene/image/WritablePixelFormat.html#setArgb-T-int-int-int-int-">setArgb</a></span>(<a href="../../../javafx/scene/image/WritablePixelFormat.html" title="type parameter in WritablePixelFormat">T</a> buf,
int x,
int y,
int scanlineStride,
int argb)</code>
<div class="block">Stores the appropriate pixel data that represents the specified
32-bit integer representation of a color in the buffer
at the specified coordinates.</div>
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<h3>Methods inherited from class javafx.scene.image.<a href="../../../javafx/scene/image/PixelFormat.html" title="class in javafx.scene.image">PixelFormat</a></h3>
<code><a href="../../../javafx/scene/image/PixelFormat.html#createByteIndexedInstance-int:A-">createByteIndexedInstance</a>, <a href="../../../javafx/scene/image/PixelFormat.html#createByteIndexedPremultipliedInstance-int:A-">createByteIndexedPremultipliedInstance</a>, <a href="../../../javafx/scene/image/PixelFormat.html#getArgb-T-int-int-int-">getArgb</a>, <a href="../../../javafx/scene/image/PixelFormat.html#getByteBgraInstance--">getByteBgraInstance</a>, <a href="../../../javafx/scene/image/PixelFormat.html#getByteBgraPreInstance--">getByteBgraPreInstance</a>, <a href="../../../javafx/scene/image/PixelFormat.html#getByteRgbInstance--">getByteRgbInstance</a>, <a href="../../../javafx/scene/image/PixelFormat.html#getIntArgbInstance--">getIntArgbInstance</a>, <a href="../../../javafx/scene/image/PixelFormat.html#getIntArgbPreInstance--">getIntArgbPreInstance</a>, <a href="../../../javafx/scene/image/PixelFormat.html#getType--">getType</a>, <a href="../../../javafx/scene/image/PixelFormat.html#isPremultiplied--">isPremultiplied</a></code></li>
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<h4>isWritable</h4>
<pre>public boolean isWritable()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../javafx/scene/image/PixelFormat.html#isWritable--">PixelFormat</a></code></span></div>
<div class="block">Returns true iff this <code>PixelFormat</code> object can convert
color information into a pixel representation.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../javafx/scene/image/PixelFormat.html#isWritable--">isWritable</a></code> in class <code><a href="../../../javafx/scene/image/PixelFormat.html" title="class in javafx.scene.image">PixelFormat</a><<a href="../../../javafx/scene/image/WritablePixelFormat.html" title="type parameter in WritablePixelFormat">T</a> extends <a href="https://docs.oracle.com/javase/8/docs/api/java/nio/Buffer.html?is-external=true" title="class or interface in java.nio">Buffer</a>></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true iff this <code>PixelFormat</code> can convert colors to
pixel data</dd>
</dl>
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<h4>setArgb</h4>
<pre>public abstract void setArgb(<a href="../../../javafx/scene/image/WritablePixelFormat.html" title="type parameter in WritablePixelFormat">T</a> buf,
int x,
int y,
int scanlineStride,
int argb)</pre>
<div class="block">Stores the appropriate pixel data that represents the specified
32-bit integer representation of a color in the buffer
at the specified coordinates.
The 32-bit integer will contain the 4 color components in separate
8-bit fields in ARGB order from the most significant byte to the least
significant byte.
The buffer should be positioned to the start of the pixel data such
that <code>buf.get(0)</code> would return the pixel information for the
pixel at coordinates <code>(0, 0)</code>.
The <code>scanlineStride</code> parameter defines the distance from the pixel
data at the start of one row to the pixel data at the start of the
immediately following row at the next higher Y coordinate. Usually,
<code>scanlineStride</code> is the same as the width of the image multiplied
by the number of data elements per pixel (1 for the case of the
integer and indexed formats, or 3 or 4 in the case of the byte
formats), but some images may have further padding between rows for
alignment or other purposes.
<p>
Color components can be composed into an integer using the following
sample code:
<pre>
int argb = ((alpha << 24) |
(red << 16) |
(green << 8) |
(blue );
</pre></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>buf</code> - the buffer of pixel data</dd>
<dd><code>x</code> - the X coordinate of the pixel to be read</dd>
<dd><code>y</code> - the Y coordinate of the pixel to be read</dd>
<dd><code>scanlineStride</code> - the number of buffer elements between the
start of adjacent pixel rows in the buffer</dd>
<dd><code>argb</code> - a 32-bit value with the color to be stored in the pixel
in a format similar to the <code>Type.INT_ARGB</code> pixel format</dd>
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