This reference is for Processing 2.0+. If you have a previous version, use the reference included with your software. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Javadoc.

Name

loadPixels()
Examples
example pic
int halfImage = width*height/2;
PImage myImage = loadImage("apples.jpg");
image(myImage, 0, 0);

loadPixels();
for (int i = 0; i < halfImage; i++) {
  pixels[i+halfImage] = pixels[i];
}
updatePixels();
Description Loads the pixel data for the display window into the pixels[] array. This function must always be called before reading from or writing to pixels[].

Certain renderers may or may not seem to require loadPixels() or updatePixels(). However, the rule is that any time you want to manipulate the pixels[] array, you must first call loadPixels(), and after changes have been made, call updatePixels(). Even if the renderer may not seem to use this function in the current Processing release, this will always be subject to change.
Syntax
loadPixels()
Returnsvoid
Relatedpixels[]
updatePixels()
Updated on May 19, 2014 05:30:00pm PDT

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