loadPixels() / Reference / Processing.org

Name

loadPixels()

Class

PImage

Description

Loads the pixel data of the current display window into the pixels[] array. This function must always be called before reading from or writing to pixels[]. Subsequent changes to the display window will not be reflected in pixels until loadPixels() is called again.

Examples

```
PImage myImage;
int halfImage;

void setup() {
  size(400, 400);
  halfImage = width * height/2;
  myImage = loadImage("wood.jpg");
  myImage.loadPixels();
  for (int i = 0; i < halfImage; i++) {
    myImage.pixels[i+halfImage] = myImage.pixels[i];
  }
  myImage.updatePixels();
}

void draw() {
  image(myImage, 0, 0);
}
```

Syntax

pimg.loadPixels()

Parameters

pimg(PImage) any object of type PImage

Return

void

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