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<p class="ref-notice">This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, <a href="https://github.com/processing/processing-docs/issues?state=open">please let us know</a>. If you prefer a more technical reference, visit the <a href="http://processing.github.io/processing-javadocs/core/">Processing Core Javadoc</a> and <a href="http://processing.github.io/processing-javadocs/libraries/">Libraries Javadoc</a>.</p>
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<table cellpadding="0" cellspacing="0" border="0" class="ref-item">
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<tr class=""><th scope="row">Class</th><td><p><a href="PImage.html">PImage</a></p></td></tr>
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<tr class="name-row">
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<th scope="row">Name</th>
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<td><h3>pixels[]</h3></td>
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</tr>
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<tr class="">
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<tr class=""><th scope="row">Examples</th><td><div class="example"><img src="images/PImage_pixels.png" alt="example pic" /><pre class="margin">
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PImage tower;
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void setup() {
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size(100, 100);
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tower = loadImage("tower.jpg");
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int dimension = tower.width * tower.height;
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tower.loadPixels();
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for (int i = 0; i < dimension; i += 2) {
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tower.pixels[i] = color(0, 0, 0);
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}
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tower.updatePixels();
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}
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void draw() {
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image(tower, 0, 0);
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}
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</pre></div>
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</td></tr>
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<tr class="">
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<th scope="row">Description</th>
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<td>
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Array containing the values for all the pixels in the image. These values are of the color datatype. This array is the size of the image, meaning if the image is 100 x 100 pixels, there will be 10000 values and if the window is 200 x 300 pixels, there will be 60000 values. <br />
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<br />
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Before accessing this array, the data must loaded with the <b>loadPixels()</b> method. Failure to do so may result in a NullPointerException. After the array data has been modified, the <b>updatePixels()</b> method must be run to update the content of the display window.
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</td>
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</tr>
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<tr class=""><th scope="row">Syntax</th><td><pre><kbd>pimg</kbd>.pixels[]
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</pre></td></tr>
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<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
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<th scope="row" class="code">pimg</th>
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<td>PImage: any object of type PImage</td>
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</tr>
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</table></td> </tr>
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</table>
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Updated on April 30, 2017 02:33:19pm EDT<br /><br />
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